oj.uz

Submission #886094

# Submission time Handle Problem Language Result Execution time Memory
886094 2023-12-11T13:02:51 Z vjudge1 Airplane (NOI23_airplane) C++17
0 / 100
 152 ms 13488 KB 
#include <bits/stdc++.h>
using namespace std;
const int INF = INT_MAX;
int main(){
	int n,m;cin>>n>>m;
	vector<int> val(n);
	for (int i = 0; i < n; ++i)
	{
		cin>>val[i];
	}
	vector<vector<int>> arr(n);
	for (int i = 0; i < m; i++){
		int u,v;cin>>u>>v;
		arr[u-1].push_back(v-1);
		arr[v-1].push_back(u-1);
	}
	vector<pair<int,int>> dp(n,{INF,INF});
	priority_queue<array<int,3>,vector<array<int,3>>,greater<array<int,3>>> pq;
	pq.push({0,0,0});
	while (pq.size()){
		int node = pq.top()[2];
		int w = pq.top()[0];
		int dist = pq.top()[1];
		pq.pop();
		if (dp[node].first<w+dist) continue;
		if (dp[node].first==w+dist && dp[node].second<dist) continue;
		dp[node]={w+dist,dist};
		for (int i = 0; i < arr[node].size(); i++){
			pq.push({max(w,val[arr[node][i]]),dist+1,arr[node][i]});
		}
	}
	cout<<dp[n-1].first<<endl;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:28:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |   for (int i = 0; i < arr[node].size(); i++){
      |                   ~~^~~~~~~~~~~~~~~~~~

Subtask #1
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 152 ms 13488 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 152 ms 13488 KB Output isn't correct
3 Halted 0 ms 0 KB -