#include "cyberland.h"
#include<bits/stdc++.h>
#define pb push_back
#define ll long long int
#define vi vector<int>
#define vvi vector<vector<int>>
#define vll vector<long long int>
#define vvll vector<vector<long long int>>
#define pii pair<int, int>
#define vpii vector<pair<int, int>>
#define vpll vector<pair<long long int, long long int>>
#define pqpll priority_queue<pair<long long int, long long int>>
#define vc vector<char>
#define vvc vector<vector<char>>
#define vb vector<bool>
#define mii map<int,int>
#define mll map<long long int, long long int>
#define mivi map<int,vector<int>>
#define f0r(i,n) for(int i=0;i<n;i++)
#define FOR(i,k,n) for(int i=k;i<n;i++)
using namespace std;
const int mxn = 100005;
/*
int h;
void dfs(int x){
if(rb1[x])return;
rb1[x] = 1;
for(auto u : adj[x]){
if(u.first != h)dfs(u.first);
}
}
*/
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> arr) {
vector<vpll> adj(N);
vb rb1(N);
//for(auto u : x)cout<<u<<'a';
//cout<<'\n';
f0r(i, M){
adj[x[i]].pb({y[i], c[i]});
adj[y[i]].pb({x[i], c[i]});
}
f0r(i,N){
//for(auto u : adj[N])cout<<u.first<<' '<<u.second<<' ';
//cout<<'\n';
}
priority_queue<pair<ll,ll>>q;
vb vis(N, false);
vb vis2(N, false);
vll dist1(N, 4e18);
vll dist2(N, 4e18);
q.push({0, 0});
//vis[0] = 1;
rb1[0] = 1;
dist1[0] = 0;
queue<int>que;
que.push(0);
while(!que.empty()){
int cur = que.front();
que.pop();
for(auto u : adj[cur]){
if(rb1[u.first])continue;
if(u.first == H)continue;
rb1[u.first] = 1;
que.push(u.first);
}
}
while(!q.empty()){
pair<ll,ll>cur = q.top();
q.pop();
ll c = cur.second;
if(vis[c])continue;
vis[c] = true;
//cout<<c<<'\n';
for(auto u : adj[c]){
ll b = u.first;
ll w = u.second;
if(dist1[c] + w < dist1[b]){
dist1[b] = dist1[c] + w;
q.push({-dist1[b], b});
}
}
}
q.push({0, H});
//vis2[H] = 1;
dist2[H] = 0;
while(!q.empty()){
pair<ll,ll>cur = q.top();
q.pop();
ll c = cur.second;
if(vis2[c])continue;
vis2[c] = 1;
for(auto u : adj[c]){
ll b = u.first;
ll w = u.second;
if(dist2[c] + w < dist2[b]){
dist2[b] = dist2[c] + w;
q.push({-dist2[b], b});
}
}
}
//for(auto u : dist1)cout<<u<<' ';
//cout<<'\n';
//for(auto u : dist2)cout<<u<<' ';
//cout<<'\n';
if(!vis[H])return -1;
else{
ll mn = dist2[0];
f0r(i, N){
if(arr[i] == 0 && rb1[i] && vis2[i])mn = min(mn, dist2[i]);
}
return mn;
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
16 ms |
604 KB |
Wrong Answer. |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
23 ms |
628 KB |
Correct. |
2 |
Correct |
27 ms |
604 KB |
Correct. |
3 |
Correct |
25 ms |
604 KB |
Correct. |
4 |
Correct |
27 ms |
604 KB |
Correct. |
5 |
Correct |
27 ms |
604 KB |
Correct. |
6 |
Correct |
22 ms |
1692 KB |
Correct. |
7 |
Correct |
37 ms |
1692 KB |
Correct. |
8 |
Correct |
14 ms |
2908 KB |
Correct. |
9 |
Correct |
28 ms |
348 KB |
Correct. |
10 |
Correct |
24 ms |
348 KB |
Correct. |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
26 ms |
596 KB |
Correct. |
2 |
Correct |
26 ms |
1368 KB |
Correct. |
3 |
Correct |
25 ms |
1364 KB |
Correct. |
4 |
Correct |
27 ms |
1372 KB |
Correct. |
5 |
Correct |
26 ms |
1672 KB |
Correct. |
6 |
Correct |
5 ms |
1628 KB |
Correct. |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
25 ms |
7260 KB |
Wrong Answer. |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
24 ms |
628 KB |
Correct. |
2 |
Correct |
25 ms |
568 KB |
Correct. |
3 |
Correct |
24 ms |
632 KB |
Correct. |
4 |
Correct |
23 ms |
1524 KB |
Correct. |
5 |
Correct |
22 ms |
528 KB |
Correct. |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
24 ms |
604 KB |
Correct. |
2 |
Correct |
21 ms |
1508 KB |
Correct. |
3 |
Correct |
34 ms |
11604 KB |
Correct. |
4 |
Correct |
15 ms |
1976 KB |
Correct. |
5 |
Correct |
24 ms |
1412 KB |
Correct. |
6 |
Correct |
23 ms |
1372 KB |
Correct. |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
24 ms |
604 KB |
Wrong Answer. |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
23 ms |
604 KB |
Wrong Answer. |
2 |
Halted |
0 ms |
0 KB |
- |