题解 | #竞选社长#

#include <stdio.h>
int main() 
{
    char buf[100] = {0};
    gets(buf);
    int count_a = 0;
    int count_b = 0;
    int i= 0;
    while(buf[i] != 0)
    {
        if(buf[i] == 'A')
            count_a ++;
        if(buf[i] == 'B')
            count_b ++;
        i ++;
    }
    if(count_a>count_b)
        printf("A\n");
    else if(count_a<count_b)
        printf("B\n");
    else
        printf("E\n");

    return 0;
}