Submission #983160

# Submission time Handle Problem Language Result Execution time Memory
983160 2024-05-15T08:50:14 Z abushbandit_ Cyberland (APIO23_cyberland) C++17
20 / 100
1027 ms 2097152 KB
#include <bits/stdc++.h>

using namespace std;

#define pb push_back

double solve(int n, int m, int k, int h, std::vector<int> x, std::vector<int> y, std::vector<int> c, std::vector<int> a) {
    
    const double INF = DBL_MAX;
    
    vector<vector<pair<int,double>>> g(n);
    for(int i = 0;i < m;i++){
		g[x[i]].pb({y[i],c[i]});
		g[y[i]].pb({x[i],c[i]});
	}
	set<tuple<double,int,int>> q;
	q.insert({0,0,k});
	double dis[n][k + 1];
	for(int i = 0;i < n;i++){
		for(int j = 0;j <= k;j++){
			dis[i][j] = INF;
		}
	}
	dis[0][k] = 0;
	while(!q.empty()){
		auto [cost,v,nk] = *q.begin();q.erase(*q.begin());
		if(dis[v][nk] < cost) continue;
		if(v == h) return cost;
		for(auto [to,w] : g[v]){
			double newtime = cost + w;
			if(a[to] == 0) newtime = 0;
			if(newtime < dis[to][nk]){
				dis[to][nk] = newtime;
				q.insert({newtime,to,nk});
			}	
			if(a[to] == 2 && nk > 0){
				double time = newtime / 2;
				if(time < dis[to][nk - 1]){
					dis[to][nk - 1] = time;
					q.insert({time,to,nk - 1});
				}
			}
		}
	}
	return -1;
    
}
# Verdict Execution time Memory Grader output
1 Correct 19 ms 856 KB Correct.
2 Correct 16 ms 1100 KB Correct.
# Verdict Execution time Memory Grader output
1 Correct 30 ms 1628 KB Correct.
2 Correct 26 ms 1624 KB Correct.
3 Correct 24 ms 1372 KB Correct.
4 Correct 25 ms 1564 KB Correct.
5 Correct 25 ms 1628 KB Correct.
6 Correct 20 ms 4512 KB Correct.
7 Correct 29 ms 4272 KB Correct.
8 Correct 15 ms 7772 KB Correct.
9 Correct 25 ms 1108 KB Correct.
10 Correct 25 ms 1064 KB Correct.
# Verdict Execution time Memory Grader output
1 Incorrect 26 ms 1400 KB Wrong Answer.
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 194 ms 21544 KB Wrong Answer.
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 22 ms 1628 KB Correct.
2 Correct 25 ms 1432 KB Correct.
3 Correct 26 ms 1372 KB Correct.
4 Correct 22 ms 4544 KB Correct.
5 Correct 21 ms 1156 KB Correct.
# Verdict Execution time Memory Grader output
1 Incorrect 24 ms 1372 KB Wrong Answer.
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 465 ms 3784 KB Wrong Answer.
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 1027 ms 2097152 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -