题解 | #字符的个数#

#include<bits/stdc++.h>
using namespace std;
int main() {
    string s;
    cin >> s;
    int a[3] = {0};
    for (int i = 0; i < s.size(); i++) {
        a[s.at(i) - 'a']++;
    }
    for (int i = 0; i < 3; i++) {
        cout << a[i] << " ";
    }
    return 0;
}