exam final

20 files changed, 1098 insertions, 0 deletions

diff --git a/exam_final/rendu/__GIT_HISTORY b/exam_final/rendu/__GIT_HISTORY
new file mode 100755
index 0000000..6286ca2
--- /dev/null
+++ b/exam_final/rendu/__GIT_HISTORY
@@ -0,0 +1,122 @@
+commit 34f8b0fa88a10c6066047c6fd5902a1f61fb7139
+Author: Exam 42 <exam-no-reply@42.fr>
+Date:   Fri Jul 26 17:45:42 2019 +0200
+
+    brainfuck
+
+ brainfuck/brainfuck.c | 85 +++++++++++++++++++++++++++++++++++++++++++++++++++
+ brainfuck/stack.c     | 42 +++++++++++++++++++++++++
+ brainfuck/stack.h     | 26 ++++++++++++++++
+ 3 files changed, 153 insertions(+)
+
+commit b3f3fe0a53e3b5dfe186cbf50701ff9047f37705
+Author: Exam 42 <exam-no-reply@42.fr>
+Date:   Fri Jul 26 16:39:24 2019 +0200
+
+    ord_alphlong
+
+ ord_alphlong/helper.c  | 52 ++++++++++++++++++++++++++++++++++
+ ord_alphlong/helper2.c | 77 ++++++++++++++++++++++++++++++++++++++++++++++++++
+ ord_alphlong/helper3.c | 75 ++++++++++++++++++++++++++++++++++++++++++++++++
+ ord_alphlong/include.h | 42 +++++++++++++++++++++++++++
+ ord_alphlong/main.c    | 32 +++++++++++++++++++++
+ 5 files changed, 278 insertions(+)
+
+commit 80849735bdeb1452a6275fee2594b1407e9afcce
+Author: Exam 42 <exam-no-reply@42.fr>
+Date:   Fri Jul 26 14:31:26 2019 +0200
+
+    count_alpha
+
+ count_alpha/count_alpha.c | 109 ++++++++++++++++++++++++++++++++++++++++++++++
+ 1 file changed, 109 insertions(+)
+
+commit e198992e2e0673e33fecd38897f3fc41b186c82c
+Author: Exam 42 <exam-no-reply@42.fr>
+Date:   Fri Jul 26 13:34:08 2019 +0200
+
+    sort_list
+
+ sort_list/sort_list.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
+ 1 file changed, 49 insertions(+)
+
+commit 2f7b14a42f21d2598b99d668cbd75c121fa0e28e
+Author: Exam 42 <exam-no-reply@42.fr>
+Date:   Fri Jul 26 13:09:52 2019 +0200
+
+    ft_split
+
+ ft_split/ft_split.c | 74 +++++++++++++++++++++++++++++++++++++++++++++++++++++
+ 1 file changed, 74 insertions(+)
+
+commit 1b5c95b498c6286a77677a1c101a8208e56af4ce
+Author: Exam 42 <exam-no-reply@42.fr>
+Date:   Fri Jul 26 12:33:28 2019 +0200
+
+    ft_itoa
+
+ ft_itoa/ft_itoa.c | 64 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
+ 1 file changed, 64 insertions(+)
+
+commit 329e7a2c15e26d350d651af2571829c2a25c0666
+Author: Exam 42 <exam-no-reply@42.fr>
+Date:   Fri Jul 26 11:33:31 2019 +0200
+
+    ft_atoi
+
+ ft_atoi/ft_atoi.c | 38 ++++++++++++++++++++++++++++++++++++++
+ 1 file changed, 38 insertions(+)
+
+commit cb2d8246d609fc0d347f19124e57e516f2360c59
+Author: Exam 42 <exam-no-reply@42.fr>
+Date:   Fri Jul 26 11:09:08 2019 +0200
+
+    last_word
+
+ last_word/last_word.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
+ 1 file changed, 50 insertions(+)
+
+commit 93bec2c03948516c977dc726ebcbd29d1cf87af2
+Author: Exam 42 <exam-no-reply@42.fr>
+Date:   Fri Jul 26 10:41:13 2019 +0200
+
+    ft_strrev
+
+ ft_strrev/ft_strrev.c | 40 ++++++++++++++++++++++++++++++++++++++++
+ 1 file changed, 40 insertions(+)
+
+commit 22e59a40561ff53f5f65d90d48d7061bfc4f9280
+Author: Exam 42 <exam-no-reply@42.fr>
+Date:   Fri Jul 26 10:32:44 2019 +0200
+
+    rotone
+
+ rotone/rotone.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
+ 1 file changed, 50 insertions(+)
+
+commit 41aa95d06869add95fa1078bd18b1d58122fa011
+Author: Exam 42 <exam-no-reply@42.fr>
+Date:   Fri Jul 26 10:14:58 2019 +0200
+
+    aff_last_param
+
+ aff_last_param/aff_last_param.c | 31 +++++++++++++++++++++++++++++++
+ 1 file changed, 31 insertions(+)
+
+commit a338cec36af53b43e95ff0de679288068b212a22
+Author: Exam 42 <exam-no-reply@42.fr>
+Date:   Fri Jul 26 10:08:09 2019 +0200
+
+    ft_putstr
+
+ ft_putstr/ft_putstr.c | 19 +++++++++++++++++++
+ 1 file changed, 19 insertions(+)
+
+commit de79154201b309ec32e35f5a26dc675a3c4e0b1e
+Author: Exam 42 <exam-no-reply@42.fr>
+Date:   Fri Jul 26 10:05:03 2019 +0200
+
+    aff_z
+
+ aff_z/aff_z.c | 21 +++++++++++++++++++++
+ 1 file changed, 21 insertions(+)
diff --git a/exam_final/rendu/aff_last_param/aff_last_param.c b/exam_final/rendu/aff_last_param/aff_last_param.c
new file mode 100755
index 0000000..27a024a
--- /dev/null
+++ b/exam_final/rendu/aff_last_param/aff_last_param.c
@@ -0,0 +1,31 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   aff_last_param.c                                   :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: exam <marvin@42.fr>                        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2019/07/26 10:09:02 by exam              #+#    #+#             */
+/*   Updated: 2019/07/26 10:13:09 by exam             ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <unistd.h>
+
+int	ft_strlen(char *str)
+{
+	int	counter;
+
+	counter = 0;
+	while (str[counter])
+		counter++;
+	return (counter);
+}
+
+int	main(int argc, char **argv)
+{
+	if (argc != 1)
+		write(1, argv[argc - 1], ft_strlen(argv[argc - 1]));
+	write(1, "\n", 1);
+	return (0);
+}
diff --git a/exam_final/rendu/aff_z/aff_z.c b/exam_final/rendu/aff_z/aff_z.c
new file mode 100755
index 0000000..3cb7625
--- /dev/null
+++ b/exam_final/rendu/aff_z/aff_z.c
@@ -0,0 +1,21 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   aff_z.c                                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: exam <marvin@42.fr>                        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2019/07/26 10:00:33 by exam              #+#    #+#             */
+/*   Updated: 2019/07/26 10:02:22 by exam             ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <unistd.h>
+
+int	main(int argc, char **argv)
+{
+	(void)argc;
+	(void)argv;
+	write(STDOUT_FILENO, "z\n", 2);
+	return (0);
+}
diff --git a/exam_final/rendu/brainfuck/brainfuck.c b/exam_final/rendu/brainfuck/brainfuck.c
new file mode 100755
index 0000000..4cd619d
--- /dev/null
+++ b/exam_final/rendu/brainfuck/brainfuck.c
@@ -0,0 +1,85 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   brainfuck.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: exam <marvin@42.fr>                        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2019/07/26 16:42:44 by exam              #+#    #+#             */
+/*   Updated: 2019/07/26 17:43:25 by exam             ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "stack.h"
+#include <stdlib.h>
+#include <unistd.h>
+
+void	go_close(char **str)
+{
+	t_stack *st;
+
+	st = create_elem(**str);
+	while (st != NULL)
+	{
+		(*str)++;
+		if (**str == '[')
+			st = push(st, '[');
+		if (**str == ']')
+			st = pop(st);
+	}
+}
+
+void	go_open(char **str)
+{
+	t_stack *st;
+
+	st = create_elem(**str);
+	while (st != NULL)
+	{
+		(*str)--;
+		if (**str == ']')
+			st = push(st, ']');
+		if (**str == '[')
+			st = pop(st);
+	}
+}
+
+int	main(int argc, char **argv)
+{
+	char	*ptr;
+	char	*origin;
+	char	*str;
+	int		i;
+
+	if (argc != 2)
+	{
+		write(1, "\n", 1);
+		return (0);
+	}
+	origin = (char*)malloc(2048);
+	ptr = origin;
+	i = 0;
+	while (i < 2048)
+		ptr[i++] = 0;
+	str = argv[1];
+	while (*str)
+	{
+		if (*str == '>')
+			ptr++;
+		else if (*str == '<')
+			ptr--;
+		else if (*str == '+')
+			(*ptr)++;
+		else if (*str == '-')
+			(*ptr)--;
+		else if (*str == '.')
+			write(1, ptr, 1);
+		else if (*str == '[' && *ptr == 0)
+			go_close(&str);
+		else if (*str == ']' && *ptr != 0)
+			go_open(&str);
+		str++;
+	}
+	free(origin);
+	return (0);
+}
diff --git a/exam_final/rendu/brainfuck/stack.c b/exam_final/rendu/brainfuck/stack.c
new file mode 100755
index 0000000..c79c039
--- /dev/null
+++ b/exam_final/rendu/brainfuck/stack.c
@@ -0,0 +1,42 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   stack.c                                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: exam <marvin@42.fr>                        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2019/07/26 17:28:55 by exam              #+#    #+#             */
+/*   Updated: 2019/07/26 17:40:35 by exam             ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <stdlib.h>
+#include "stack.h"
+
+t_stack *create_elem(char data)
+{
+	t_stack *elem;
+
+	elem = malloc(sizeof(t_stack));
+	elem->data = data;
+	elem->next = NULL;
+	return (elem);
+}
+
+t_stack *push(t_stack *stack, char data)
+{
+	t_stack *elem;
+
+	elem = create_elem(data);
+	elem->next = stack;
+	return (elem);
+}
+
+t_stack *pop(t_stack *stack)
+{
+	t_stack *tmp;
+
+	tmp = stack->next;
+	free(stack);
+	return (tmp);
+}
diff --git a/exam_final/rendu/brainfuck/stack.h b/exam_final/rendu/brainfuck/stack.h
new file mode 100755
index 0000000..6d0d57b
--- /dev/null
+++ b/exam_final/rendu/brainfuck/stack.h
@@ -0,0 +1,26 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   stack.h                                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: exam <marvin@42.fr>                        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2019/07/26 17:33:37 by exam              #+#    #+#             */
+/*   Updated: 2019/07/26 17:39:15 by exam             ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#ifndef STACK_H
+# define STACK_H
+
+typedef struct	s_stack
+{
+	char			data;
+	struct	s_stack	*next;
+}				t_stack;
+
+t_stack *push(t_stack *stack, char data);
+t_stack *create_elem(char data);
+t_stack *pop(t_stack *stack);
+
+#endif
diff --git a/exam_final/rendu/count_alpha/count_alpha.c b/exam_final/rendu/count_alpha/count_alpha.c
new file mode 100755
index 0000000..ed502a5
--- /dev/null
+++ b/exam_final/rendu/count_alpha/count_alpha.c
@@ -0,0 +1,109 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   count_alpha.c                                      :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: exam <marvin@42.fr>                        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2019/07/26 13:36:33 by exam              #+#    #+#             */
+/*   Updated: 2019/07/26 14:30:23 by exam             ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <stdio.h>
+#include <unistd.h>
+
+typedef struct	s_counter
+{
+	char	letter;
+	int		count;
+}				t_counter;
+
+int		in_counters(t_counter *counters, char c)
+{
+	int	i;
+
+	i = 0;
+	while (counters[i].letter)
+	{
+		if (c == counters[i].letter)
+			return (1);
+		i++;
+	}
+	return (0);
+}
+
+void	str_tolow(char *str)
+{
+	while (*str)
+	{
+		if (*str >= 'A' && *str <= 'Z')
+			*str += 'a' - 'A';
+		str++;
+	}
+}
+
+int		count_char(char c, char *str)
+{
+	int	counter;
+
+	counter = 0;
+	while (*str)
+	{
+		if (c == *str)
+			counter++;
+		str++;
+	}
+	return (counter);
+}
+
+void print_counters(t_counter *counters, int size)
+{
+	int i;
+
+	i = 0;
+	while (i < size)
+	{
+		if (counters[i].count != 0)
+		{
+			printf("%d%c", counters[i].count, counters[i].letter);
+			if (i != size - 1)
+				printf(", ");
+		}
+		i++;
+	}
+}
+
+int		main(int argc, char **argv)
+{
+	t_counter	counters[26];
+	int			i;
+	int			j;
+
+	if (argc == 2)
+	{
+		i = 0;
+		j = 0;
+		while (i < 26)
+		{
+			counters[i].letter = '\0';
+			counters[i].count = 0;
+			i++;
+		}
+		str_tolow(argv[1]);
+		i = 0;
+		while (argv[1][i])
+		{
+			if (argv[1][i] >= 'a' && argv[1][i] <= 'z' && !in_counters(counters, argv[1][i]))
+			{
+				counters[j].letter = argv[1][i];
+				counters[j].count = count_char(argv[1][i], argv[1]);
+				j++;
+			}
+			i++;
+		}
+		print_counters(counters, j);
+	}
+	printf("\n");
+	return (0);
+}
diff --git a/exam_final/rendu/ft_atoi/ft_atoi.c b/exam_final/rendu/ft_atoi/ft_atoi.c
new file mode 100755
index 0000000..2f125bf
--- /dev/null
+++ b/exam_final/rendu/ft_atoi/ft_atoi.c
@@ -0,0 +1,38 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_atoi.c                                          :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: exam <marvin@42.fr>                        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2019/07/26 11:11:42 by exam              #+#    #+#             */
+/*   Updated: 2019/07/26 11:32:51 by exam             ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+int		ft_atoi(const char *str)
+{
+	int	nb;
+	int	is_negative;
+
+	while (*str == ' ' || *str == '\t' || *str == '\n' || *str == '\r'
+			|| *str == '\v' || *str == '\f'|| *str == '\r')     
+		str++;
+	is_negative = 0;
+	if (*str == '+' || *str == '-')
+	{
+		if (*str == '-')
+			is_negative = 1;
+		str++;
+	}
+	nb = 0;
+	while (*str >= '0' && *str <= '9')
+	{
+		nb *= 10;
+		nb += *str - '0';
+		str++;
+	}
+	if (is_negative)
+		nb = -nb;
+	return (nb);
+}
diff --git a/exam_final/rendu/ft_itoa/ft_itoa.c b/exam_final/rendu/ft_itoa/ft_itoa.c
new file mode 100755
index 0000000..308cb41
--- /dev/null
+++ b/exam_final/rendu/ft_itoa/ft_itoa.c
@@ -0,0 +1,64 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_itoa.c                                          :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: exam <marvin@42.fr>                        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2019/07/26 11:35:43 by exam              #+#    #+#             */
+/*   Updated: 2019/07/26 12:32:57 by exam             ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <stdlib.h>
+
+int		count_len(int nbr)
+{
+	int				counter;
+	unsigned int	u_nbr;
+
+	if (nbr == 0)
+		return (1);
+	counter = 0;
+	u_nbr = nbr;
+	if (nbr < 0)
+	{
+		counter++;
+		u_nbr = -nbr;
+	}
+	while (u_nbr > 0)
+	{
+		u_nbr /= 10;
+		counter++;
+	}
+	return (counter);
+}
+
+char	*ft_itoa(int nbr)
+{
+	char			*str;
+	int				len;
+	int				is_negative;
+	unsigned int	u_nbr;
+
+	len = count_len(nbr);
+	if ((str = (char*)malloc(sizeof(char) * (len + 1))) == NULL)
+		return (NULL);
+	str[len] = '\0';
+	is_negative = 0;
+	u_nbr = nbr;
+	if (nbr < 0)
+	{
+		is_negative = 1;
+		str[0] = '-';
+		u_nbr = -nbr;
+	}
+	len--;
+	while (len >= (is_negative ? 1 : 0))
+	{
+		str[len] = u_nbr % 10 + '0';
+		u_nbr /= 10;
+		len--;
+	}
+	return (str);
+}
diff --git a/exam_final/rendu/ft_putstr/ft_putstr.c b/exam_final/rendu/ft_putstr/ft_putstr.c
new file mode 100755
index 0000000..3733591
--- /dev/null
+++ b/exam_final/rendu/ft_putstr/ft_putstr.c
@@ -0,0 +1,19 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_putstr.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: exam <marvin@42.fr>                        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2019/07/26 10:05:51 by exam              #+#    #+#             */
+/*   Updated: 2019/07/26 10:07:27 by exam             ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <unistd.h>
+
+void	ft_putstr(char *str)
+{
+	while (*str)
+		write(STDOUT_FILENO, str++, 1);
+}
diff --git a/exam_final/rendu/ft_split/ft_split.c b/exam_final/rendu/ft_split/ft_split.c
new file mode 100755
index 0000000..75d9f8d
--- /dev/null
+++ b/exam_final/rendu/ft_split/ft_split.c
@@ -0,0 +1,74 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_split.c                                         :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: exam <marvin@42.fr>                        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2019/07/26 12:35:48 by exam              #+#    #+#             */
+/*   Updated: 2019/07/26 13:09:10 by exam             ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <stdlib.h>
+
+int		in_charset(char c)
+{
+	return (c == ' ' || c == '\n' || c == '\t');
+}
+
+int		count_segment(char *str)
+{
+	int	counter;
+
+	counter = 0;
+	while (*str)
+	{
+		if (in_charset(*str))
+		{
+			str++;
+			continue ;
+		}
+		counter++;
+		while (*str && !in_charset(*str))
+			str++;
+	}
+	return (counter);
+}
+
+char    **ft_split(char *str)
+{
+	char	**strs;
+	char	*tmp;
+	int		size;
+	int		i;
+	int		j;
+
+	size = count_segment(str);
+	if ((strs = (char**)malloc(sizeof(char*) * (size + 1))) == NULL)
+		return (NULL);
+	i = 0;
+	while (i < size)
+	{
+		if (*str && in_charset(*str))
+		{
+			str++;
+			continue ;
+		}
+		j = 0;
+		while (str[j] && !in_charset(str[j]))
+			j++;
+		if ((tmp = (char*)malloc(sizeof(char) * (j + 1))) == NULL)
+			return (NULL);
+		j = 0;
+		while (*str && !in_charset(*str))
+		{
+			tmp[j] = *str++;
+			j++;
+		}
+		tmp[j] = '\0';
+		strs[i++] = tmp;
+	}
+	strs[i] = NULL;
+	return (strs);
+}
diff --git a/exam_final/rendu/ft_strrev/ft_strrev.c b/exam_final/rendu/ft_strrev/ft_strrev.c
new file mode 100755
index 0000000..685dd70
--- /dev/null
+++ b/exam_final/rendu/ft_strrev/ft_strrev.c
@@ -0,0 +1,40 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strrev.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: exam <marvin@42.fr>                        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2019/07/26 10:34:13 by exam              #+#    #+#             */
+/*   Updated: 2019/07/26 10:40:13 by exam             ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+int		ft_strlen(char *str)
+{
+	int	counter;
+
+	counter = 0;
+	while (str[counter])
+		counter++;
+	return (counter);
+}
+
+char	*ft_strrev(char *str)
+{
+	int 	i;
+	int 	j;
+	char	tmp;
+
+	i = 0;
+	j = ft_strlen(str) - 1;
+	while (i < j)
+	{
+		tmp = str[i];
+		str[i] = str[j];
+		str[j] = tmp;
+		i++;
+		j--;
+	}
+	return (str);
+}
diff --git a/exam_final/rendu/last_word/last_word.c b/exam_final/rendu/last_word/last_word.c
new file mode 100755
index 0000000..f8bdb11
--- /dev/null
+++ b/exam_final/rendu/last_word/last_word.c
@@ -0,0 +1,50 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   last_word.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: exam <marvin@42.fr>                        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2019/07/26 10:42:10 by exam              #+#    #+#             */
+/*   Updated: 2019/07/26 11:05:51 by exam             ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <unistd.h>
+
+int	ft_strlen(char *str)
+{
+	int	counter;
+
+	counter = 0;
+	while (str[counter])
+		counter++;
+	return (counter);
+}
+
+int	is_space(char c)
+{
+	return (c == ' ' || c == '\t');
+}
+
+int	main(int argc, char **argv)
+{
+	int	i;
+
+	if (argc == 2)
+	{
+		i = ft_strlen(argv[1]) - 1;
+		while (i > -1 && is_space(argv[1][i]))
+			i--;
+		while (i > -1 && !is_space(argv[1][i]))
+			i--;
+		i++;
+		while (i >= 0 && argv[1][i] && !is_space(argv[1][i]))
+		{
+			write(1, &argv[1][i], 1);
+			i++;
+		}
+	}
+	write(1, "\n", 1);
+	return (0);
+}
diff --git a/exam_final/rendu/ord_alphlong/helper.c b/exam_final/rendu/ord_alphlong/helper.c
new file mode 100755
index 0000000..7d285c1
--- /dev/null
+++ b/exam_final/rendu/ord_alphlong/helper.c
@@ -0,0 +1,52 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   helper.c                                           :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: exam <marvin@42.fr>                        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2019/07/26 14:40:48 by exam              #+#    #+#             */
+/*   Updated: 2019/07/26 16:35:08 by exam             ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <stdlib.h>
+#include <unistd.h>
+#include "include.h"
+
+int		ft_strlen(char *str)
+{
+	int counter;
+
+	counter = 0;
+	while (str[counter])
+		counter++;
+	return (counter);
+}
+
+int		letter_diff(char a, char b)
+{
+	if (b >= 'A' && b <= 'Z')
+		b += 'a' - 'A';
+	if (a >= 'A' && a <= 'Z')
+		a += 'a' - 'A';
+	return (a - b);
+}
+
+void	ft_putstr(char *str)
+{
+	while (*str)
+		write(1, str++, 1);
+}
+
+int		str_lettercmp(char *s1, char *s2)
+{
+	if (ft_strlen(s1) != ft_strlen(s2))
+		return (-1);
+	while (*s1 && *s2 && letter_diff(*s1, *s2) == 0)
+	{
+		s1++;
+		s2++;
+	}
+	return (letter_diff(*s1, *s2));
+}
diff --git a/exam_final/rendu/ord_alphlong/helper2.c b/exam_final/rendu/ord_alphlong/helper2.c
new file mode 100755
index 0000000..431274b
--- /dev/null
+++ b/exam_final/rendu/ord_alphlong/helper2.c
@@ -0,0 +1,77 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   helper2.c                                          :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: exam <marvin@42.fr>                        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2019/07/26 15:20:07 by exam              #+#    #+#             */
+/*   Updated: 2019/07/26 16:29:42 by exam             ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <stdlib.h>
+#include "include.h"
+
+int		sorted(char **strs, int cmp(char*, char*))
+{
+	int	i;
+
+	i = 0;
+	if (strs[0] == NULL)
+		return (1);
+	while (strs[i + 1] != NULL)
+	{
+		if ((*cmp)(strs[i], strs[i + 1]) > 0)
+			return (0);
+		i++;
+	}
+	return (1);
+}
+
+void	sort_strs(char **strs, int cmp(char*, char*))
+{
+	int		i;
+	char	*tmp;
+
+	while (!sorted(strs, cmp))
+	{
+		i = 0;
+		while (strs[i + 1] != NULL)
+		{
+			if ((*cmp)(strs[i], strs[i + 1]) > 0)
+			{
+				tmp = strs[i];
+				strs[i] = strs[i + 1];
+				strs[i + 1] = tmp;
+			}
+			i++;
+		}
+	}
+}
+
+int		strlen_cmp(char *s1, char *s2)
+{
+	return (ft_strlen(s1) - ft_strlen(s2));
+}
+
+void	print_strs(char **strs)
+{
+	int	i;
+	int	len;
+
+	i = 0;
+	while (strs[i] != NULL)
+	{
+		len = ft_strlen(strs[i]);
+		while (strs[i] && ft_strlen(strs[i]) == len)
+		{
+			ft_putstr(strs[i]);
+			if (strs[i + 1] != NULL && ft_strlen(strs[i + 1]) == len)
+				ft_putstr(" ");
+			else
+				ft_putstr("\n");
+			i++;
+		}
+	}
+}
diff --git a/exam_final/rendu/ord_alphlong/helper3.c b/exam_final/rendu/ord_alphlong/helper3.c
new file mode 100755
index 0000000..83b548a
--- /dev/null
+++ b/exam_final/rendu/ord_alphlong/helper3.c
@@ -0,0 +1,75 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */