题解:P11679 [Algo Beat Contest 001 A] Animal Beheaded

· · 题解

#include <bits/stdc++.h>
using namespace std;
int main() {
    int N;
    cin >> N;
    string S;
    cin >> S;
    int m = N / 3;
    string a = S.substr(0, m);
    string b = S.substr(m, m);
    string c = S.substr(2 * m, m);    
    cout << b + a + c << endl;
    return 0;
}