oj.uz

Submission #341974

# Submission time Handle Problem Language Result Execution time Memory
341974 2020-12-31T20:18:33 Z Marlov Werewolf (IOI18_werewolf) C++14
15 / 100
 684 ms 19748 KB 
/*
Code by @marlov       
*/
#include <iostream>
#include <fstream>
#include <string>
#include <sstream>
#include <vector>
#include <string>
#include <cmath>
#include <algorithm>
#include <iomanip>
#include <utility>
#include <set>
#include <unordered_set>
#include <map>
#include <unordered_map>
#include <stack>
#include <queue>
#include <iterator>
#include <bitset>
using namespace std;
typedef long long ll;
typedef pair<int,int> ii;

#define maxN 3005


vector<int> adj[maxN];
int maxC=0;

bool visitedS[maxN];
bool visitedE[maxN];

void bfsS(int n,int lb){
	queue<int> q;
	q.push(n);
	fill(visitedS,visitedS+maxN,false);
	while(!q.empty()){
		int cn=q.front();
		q.pop();
		if(cn<lb) continue;
		visitedS[cn]=true;
		for(int a:adj[cn])if(!visitedS[a]){
			q.push(a);
		}
	}
}
void bfsE(int n,int ub){
	queue<int> q;
	q.push(n);
	fill(visitedE,visitedE+maxN,false);
	while(!q.empty()){
		int cn=q.front();
		q.pop();
		if(cn>ub) continue;
		visitedE[cn]=true;
		for(int a:adj[cn])if(!visitedE[a]){
			q.push(a);
		}
	}
}
vector<int> check_validity(int N, vector<int> X, vector<int> Y, vector<int> S, vector<int> E, vector<int> L, vector<int> R){
	int M=X.size();
	int Q=S.size();
	vector<int> result;
	for(int i=0;i<M;i++){
		int u=X[i];
		int v=Y[i];
		adj[u].push_back(v);
		adj[v].push_back(u);
		maxC=max(maxC,(int)max(adj[v].size(),adj[u].size()));
	}
	//if(M==N-1&&maxC<=2){
		
	//}else{
		for(int i=0;i<Q;i++){
			bfsS(S[i],L[i]);
			bfsE(E[i],R[i]);
			bool possible=false;
			for(int j=L[i];j<=R[i];j++){
				if(visitedS[j]&&visitedE[j]) possible=true;
			}
			if(possible) result.push_back(1);
			else result.push_back(0);
		}
	//}

	return result;
}
/*
int main() {
	ios_base::sync_with_stdio(0); cin.tie(0);
	vector<int> ans=check_validity(6,{5,1,1,3,3,5},{1,2,3,4,0,2},{4,4,5},{2,2,4},{1,2,3},{2,2,4});
	for(int a:ans) cout<<a<<" ";
    return 0;
}
*/

/* stuff you should look for
	* int overflow, array bounds
	* special cases (n=1,n=0?)
	* do smth instead of nothing and stay organized
*/

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 3 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 2 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 3 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 2 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 430 ms 808 KB Output is correct
11 Correct 153 ms 876 KB Output is correct
12 Correct 25 ms 748 KB Output is correct
13 Correct 456 ms 1004 KB Output is correct
14 Correct 188 ms 748 KB Output is correct
15 Correct 684 ms 1132 KB Output is correct

Subtask #3
0 / 34.0

# Verdict Execution time Memory Grader output
1 Runtime error 170 ms 19748 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #4
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 3 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 2 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 430 ms 808 KB Output is correct
11 Correct 153 ms 876 KB Output is correct
12 Correct 25 ms 748 KB Output is correct
13 Correct 456 ms 1004 KB Output is correct
14 Correct 188 ms 748 KB Output is correct
15 Correct 684 ms 1132 KB Output is correct
16 Runtime error 170 ms 19748 KB Execution killed with signal 11 (could be triggered by violating memory limits)
17 Halted 0 ms 0 KB -