oj.uz

Submission #976365

# Submission time Handle Problem Language Result Execution time Memory
976365 2024-05-06T13:31:51 Z Unforgettablepl Game (APIO22_game) C++17
2 / 100
 1 ms 356 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long

vector<int> adj[1001];
int K,N;

void init(int32_t n, int32_t k) {
    N=n;K=k;
    for(int i=0;i<k-1;i++)adj[i].emplace_back(i+1);
}

vector<pair<bool,bool>> visited;
vector<int> ans;

int DFS(int x){
    if(visited[x].second)return 0;
    if(visited[x].first){ans.emplace_back(x);return x;}
    visited[x].first=true;
    for(int&i:adj[x]){
        int temp = DFS(i);
        if(temp==0)continue;
        if(temp==-1)return -1;
        ans.emplace_back(x);
        if(x==temp)return -1;
        return temp;
    }
    visited[x].first=false;
    visited[x].second=true;
    return 0;
}


int32_t add_teleporter(int32_t u, int32_t v) {
    visited = vector<pair<bool,bool>>(N);
    adj[u].emplace_back(v);
    DFS(0);
    return min(1,(int32_t)ans.size());
}



//namespace {
//
//    int32_t read_int() {
//        int32_t x;
//        if (scanf("%d", &x) != 1) {
//            fprintf(stderr, "Error while reading input\n");
//            exit(1);
//        }
//        return x;
//    }
//
//}  // namespace
//
//int32_t main() {
//    int32_t N = read_int();
//    int32_t M = read_int();
//    int32_t K = read_int();
//    std::vector<int32_t> u(M), v(M);
//    for (int32_t i = 0; i < M; ++i) {
//        u[i] = read_int();
//        v[i] = read_int();
//    }
//
//    init(N, K);
//    int32_t i;
//    for (i = 0; i < M; ++i) {
//        int32_t answer = add_teleporter(u[i], v[i]);
//        if (answer != 0 && answer != 1) {
//            i = -1;
//            break;
//        } else if (answer == 1) {
//            break;
//        }
//    }
//    printf("%d\n", i);
//    return 0;
//}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 356 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct

Subtask #2
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 356 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 356 KB Output is correct
11 Incorrect 1 ms 344 KB Wrong Answer[1]
12 Halted 0 ms 0 KB -

Subtask #3
0.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 356 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 356 KB Output is correct
11 Incorrect 1 ms 344 KB Wrong Answer[1]
12 Halted 0 ms 0 KB -

Subtask #4
0.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 356 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 356 KB Output is correct
11 Incorrect 1 ms 344 KB Wrong Answer[1]
12 Halted 0 ms 0 KB -

Subtask #5
0.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 356 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 356 KB Output is correct
11 Incorrect 1 ms 344 KB Wrong Answer[1]
12 Halted 0 ms 0 KB -