计算字符个数
计算字符个数
http://www.nowcoder.com/questionTerminal/a35ce98431874e3a820dbe4b2d0508b1
#include <stdio.h>
#include <string.h>
int main(void)
{
char str[1000];
char a, b;
int count = 0;
gets(str);
scanf("%c", &a);
if (('A' <= a) && (a <= 'Z'))
b = a - 'A' + 'a';
else if (('a' <= a) && (a <= 'z'))
b = a - 'a' + 'A';
else
b = a;
for (int i = 0; i < strlen(str); i++)
if ((str[i] == a) || (str[i] == b))
count++;
printf("%d", count);
return 0;
}