Submission #515883

# Submission time Handle Problem Language Result Execution time Memory
515883 2022-01-20T04:52:23 Z ac2hu Tales of seafaring (POI13_mor) C++14
0 / 100
3000 ms 99796 KB
#include <bits/stdc++.h>
using namespace std;
void setIO(string name) {
	#ifdef DEBUG
	#else 
	ios_base::sync_with_stdio(0); cin.tie(0);
	freopen((name+".in").c_str(),"r",stdin);
	freopen((name+".out").c_str(),"w",stdout);
	#endif
}
signed main(){
	iostream::sync_with_stdio(false);
	cin.tie(nullptr);cout.tie(nullptr);
	int n,m,k;cin >> n >> m >> k;
	vector<int> adj[n];
	for(int i = 0;i<m;i++){
		int a,b;cin >> a >> b;
		a--;b--;
		adj[a].push_back(b);
		adj[b].push_back(a);
	}
	vector<vector<int>> dist(n,vector<int>(n,1e9 + 10));
	for(int i = 0;i<n;i++){
		queue<int> q;
		dist[i][i] = 0;
		q.push(i);
		while(!q.empty()){
			int x = q.front();
			q.pop();
			for(auto e : adj[x]){
				if(dist[i][e] > dist[i][x] + 1){
					dist[i][e] = dist[i][x] + 1;
					q.push(e);
				}
			}
		}
	}
	// for(int i = 0;i<n;i++){
	// 	for(int j =0 ;j<n;j++)
	// 		cout << dist[i][j] << " ";
	// 	cout << "\n";
	// }
	for(int _ = 0;_<k;_++){
		int a,b,d;cin >> a >> b >> d;
		a--;b--;
		if(dist[a][b] > d)
			cout << "NIE\n";
		else if((dist[a][b] - d)%2 == 0)
			cout << "TAK\n";
		else {
			bool flag = false;
			for(int i = 0;i<n;i++){
				int dis = dist[a][i] + dist[i][b];
				if(dis <= d && (dis - d)%2 == 0){
					flag = true;
					break;
				}
			}
			if(flag)
				cout << "TAK\n";
			else 
				cout << "NIE\n";
		}
	}
}


Compilation message

mor.cpp: In function 'void setIO(std::string)':
mor.cpp:7:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |  freopen((name+".in").c_str(),"r",stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mor.cpp:8:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 |  freopen((name+".out").c_str(),"w",stdout);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Incorrect 0 ms 308 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 972 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 15 ms 1792 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 87 ms 9396 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1390 ms 20276 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 2741 ms 67268 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 3097 ms 99796 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 3101 ms 99140 KB Time limit exceeded
2 Halted 0 ms 0 KB -