题解 | #字符的个数#

#include<bits/stdc++.h>
using namespace std;
int main(){
    string s;
    cin>>s;
    // write your code here......
    int a=0;
    int b=0;
    int c=0;
    for(char i:s)
    {
        switch(i)
        {
            case 'a':a++;break;
            case 'b':b++;break;
            case 'c':c++;
        }
    }
    cout<<a<<' '<<b<<' '<<c<<endl;
    return 0;
}