题解 | #字符的个数#

#include <iostream>
#include<string>
using namespace std;
int main(){
    char str[1000000];
    cin.getline(str,sizeof(str));
    // write your code here......
    int a,b,c;
    a=0;
    b=0;
    c=0;
    char *p =str;
    while(*p !='\0'  ){
        if(*p=='a')
        a++;
        else if(*p=='b')
        b++;
        else ++c;
        p++;
    }
    cout<<a<<" "<<b<<" "<<c;
    return 0;
}