题解 | #字符的个数#

#include<bits/stdc++.h>
#include <map>
using namespace std;

int main(){
    string s;
    cin>>s;
    // write your code here......
    map<char, int> mp;
    mp.insert({'a', 0});
    mp['b'] = 0;
    mp['c'] = 0;
    for(string::iterator iter = s.begin(); iter != s.end(); iter++) {
        if(*iter == 'a') mp['a']++;
        else if(*iter == 'b') mp['b']++;
        else mp['c']++;
    }
    cout<<mp['a']<<' '<<mp['b']<<' '<<mp['c']<<endl;
    return 0;
}