Submission

[PPPPPPPPPPPPPPPPPPPP]

Score: 100

User: njoop

Problemset: B.Shuffle

Language: cpp

Time: 0.431 second

Submitted On: 2025-01-05 17:14:11

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

int main() {
    int a;
    cin >> a;
    vector<int> m(a);
    vector<string> M(a);
    
    for (int i = 0; i < a; i++) {
        cin >> m[i];
        cin >> M[i];
    }

    for (int i = 0; i < a; i++) {
        int numN = 0;
        int posN = 0;
        int posK = 0;
        
        for (int j = 0; j < m[i]; j++) {
            if (M[i].substr(j, 1) == "N") {
                numN++;
                posN += j;
            }
            if (M[i].substr(j, 1) == "K") {
                posK += j;
            }
        }
        
        if ((posN - posK - numN) % 2 == 0) {
            cout << "NO" << endl;
        } else {
            cout << "YES" << endl;
        }
    }

    return 0;
}