11192 - Group Reverse

#include <iostream>
using namespace std;
 
int main() {
    int textLength = 0;
    while ((cin >> textLength) && (textLength != 0)) {
        string word = "";
        cin>>word;
        int group = word.length() / textLength;
        for (int i = 0; i < word.length(); i += group) {
            for (int j = i + group - 1; j >= i; j--) {
                cout << word[j];
            }
        }
    }
    return 0;
}

題目網址 http://bit.ly/2mTqO7Y 補充： 字串翻轉

#include <cstdlib>
#include <iostream>
#include <string>
using namespace std;
int main(int argc, char** argv) {
    
    string str1 = "Xanxus";
    for(int i = str1.length();i>=0;i--){
        cout<<str1[i];
    }
    
    return 0;
}