编辑代码

#include <stdio.h>
int main(){
    char c[100];
    gets(c);
    {
        char count[128] = {0};
        for (int i = 0; c[i] != '\0'; i++) {
            count[c[i]]++; 
        }
        for (int i = 0; i < 128; i++) {
            if (count[i] == 0)
            {}
            else
                printf("%c-->%d\n", i, count[i]); 
        }
    }
    return 0;
}