C 统计 符号出现的次数 ，字母，空格，数字，标点

统计 符号出现的次数 ，字母，空格，数字，标点

#include <stdio.h>
#include <malloc.h>

int main()
{
	char c;
	int letters = 0, space = 0, digit = 0, others = 0;
	while ((c = getchar()) != '\n')
	{
		if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'))
			letters++;
		else if (c == ' ')
			space++;
		else if (c >= '0' && c <= '9')
			digit++;
		else
			others++;
	}
	printf("%d %d %d %d",letters,space,digit,others);
	return 0;
}

标签：int,字母,标点,空格,&&,include
来源： https://blog.csdn.net/laocooon/article/details/122134081