Submission #313895

# Submission time Handle Problem Language Result Execution time Memory
313895 2020-10-17T08:46:50 Z tengiz05 Werewolf (IOI18_werewolf) C++17
0 / 100
217 ms 19708 KB
#include "werewolf.h"
#include <bits/stdc++.h>
using namespace std;
const int N = 5e3+5;
int n, m, target, l,r;
vector<int> edges[N];
vector<bool> used;
vector<int> check_validity(int N, vector<int> X, vector<int> Y, vector<int> S, vector<int> E, vector<int> L, vector<int> R) {
	n = N;
	m = X.size();
	for(int i=0;i<m;i++){
		edges[X[i]].push_back(Y[i]);
		edges[Y[i]].push_back(X[i]);
	}
	
	int Q = S.size();
	vector<int> ans;
	for(int i=0;i<Q;i++){
		l = L[i], r = R[i];
		if(S[i] < l)ans.push_back(0);
		else {
			used.assign(n,false);
			queue<tuple<int,int,int>> q; // {form, u, isch};
			q.push({0, S[i], (S[i]>=l&&S[i]<=r)?1:0});
			used[S[i]] = true;
			int ok = 0;
			while(!q.empty()){
				int f, u, is;
				tie(f, u, is) = q.front();q.pop();
			//	cout << u << ' ' << f << ' ' << is << '\n';
				if(u == E[i] && (f || is)){
					ok = 1;
					break;
				}
				for(auto v : edges[u]){
					if(used[v] || (f && v>r) || (!is && !f && v<l))continue;
					used[v] = true;
					if(v < l)q.push({1, v, 0});
					else if(f)q.push({f, v, 0});
					else q.push({0, v, (v>=l&&v<=r)|is});
				}
			}//cout << '\n';
			ans.push_back(ok);
		}
	}return ans;
}

/*

6 6 3
5 1
1 2
1 3
3 4
3 0
5 2
4 2 1 2
4 2 2 2
5 4 3 4

*/
# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Incorrect 1 ms 384 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Incorrect 1 ms 384 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 217 ms 19708 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Incorrect 1 ms 384 KB Output isn't correct
3 Halted 0 ms 0 KB -