oj.uz

답안 #866884

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
866884 2023-10-27T09:21:05 Z 3as8 Kamenčići (COCI21_kamencici) C++14
10 / 70
 1000 ms 348 KB 
#include <bits/stdc++.h>

#define ll long long
#define endl "\n"
#define fastIO cin.tie(nullptr); cout.tie(nullptr); ios::sync_with_stdio(false);

#define mid ((l + r) / 2)
#define lChild ((index * 2) + 1)
#define rChild ((index * 2) + 2)

using namespace std;

struct node {
    ll t, a, b;
};


bool get(string& s, ll l, ll r, ll k, vector<ll>& score, bool round) {

   /* cout<<round + 1<< " => "<<l<<" "<<r<<endl;
    cout<<"Score: "<<score[0]<<" "<<score[1]<<endl;*/

    if(score[0] == k) return false;
    else if(score[1] == k) return true;

    bool ans = round;
    score[round] += s[l] == 'C';
    if(!round) ans |= get(s, l + 1, r, k, score, !round);
    else ans &= get(s, l + 1, r, k, score, !round);
    score[round] -= s[l] == 'C';


    score[round] += s[r] == 'C';
    if(!round) ans |= get(s, l, r - 1, k, score, !round);
    else ans &= get(s, l, r - 1, k, score, !round);
    score[round] -= s[r] == 'C';

    return ans;
}

void solve(ll _) {

    ll n, k; cin>>n>>k;

    string s; cin>>s;

    vector<ll> scores = {0, 0};
    cout<<(get(s, 0, n - 1, k, scores, 0) ? "DA" : "NE")<<endl;

}

int main() {
    fastIO

    //freopen("file.in", "r", stdin);
    //freopen("file.out", "w", stdout);

    ll t = 0;  solve(t);
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct

Subtask #2
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 17 ms 348 KB Output is correct
8 Correct 11 ms 348 KB Output is correct
9 Execution timed out 1085 ms 348 KB Time limit exceeded
10 Halted 0 ms 0 KB -

Subtask #3
0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 17 ms 348 KB Output is correct
8 Correct 11 ms 348 KB Output is correct
9 Execution timed out 1085 ms 348 KB Time limit exceeded
10 Halted 0 ms 0 KB -