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 arr[3] = {0};
    for (int i = 0; i < s.length(); i++)
    {
        if ((int)s[i] == 'a')
        {
            arr[0]++;
        }
        if ((int)s[i] == 'b')
        {
            arr[1]++;
        }
        if ((int)s[i] == 'c')
        {
            arr[2]++;
        }
    }
    for (int i = 0; i < 3; i++)
    {
        cout << arr[i] << " ";
    }
    return 0;
}