题解 | #字符串编码#

#include<iostream>
#include<string>
using namespace std;

int main(void) {
    string str;
    cin >> str;
    
    int i = 0;
    for(;i < str.size();) {
        int count = 1;
        int j = i + 1;
        while(j<str.size() && str[i] == str[j]) {
            j++;
            count++;
        }
        cout << count << str[i];
        i = j;
    }
    
    return 0;
}

拼多多笔试题考过