1 files changed, 109 insertions, 0 deletions
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);
+}