# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
984320 | IUA_Hasin | Cyberland (APIO23_cyberland) | C++17 | 27 ms | 19920 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "cyberland.h"
#include <bits/stdc++.h>
#define endl "\n"
#define yeap cout<<"YES"<<endl
#define nope cout<<"NO"<<endl
#define ll long long
#define ld long double
using namespace std;
const ll N = 3e5+5;
const ll INF = 1e16+10;
vector<pair<ll, ll>> graph[N];
vector<ll> dist(N, INF);
ll vis[N];
vector<ll> arr2;
void dijkstra(ll source){
set<pair<ll, ll>> s;
s.insert({0, source});
dist[source] = 0;
while(s.size()>0){
auto node = *s.begin();
ll v = node.second;
ll v_dist = node.first;
s.erase(s.begin());
if(vis[v]==0){
for(auto child : graph[v]){
ll v2 = child.first;
ll wt = child.second;
if(arr2[v2]==0){
wt = 0;
}
if((dist[v]+wt)<(dist[v2])){
dist[v2] = dist[v]+wt;
s.insert({dist[v2], v2});
}
}
vis[v] = 1;
}
}
}
void dfs(ll wt, ll source){
if(vis[source]==0){
vis[source] = 1;
for(auto u : graph[source]){
ll v = u.first;
ll v_dist = u.second;
if(vis[v]==0){
dist[v] = wt+v_dist;
dfs(wt+v_dist, v);
}
}
}
}
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) {
arr2.clear();
for(int i=0; i<=N; i++){
graph[i].clear();
vis[i] = 0;
dist[i] = INF;
}
for(int i=0; i<N; i++){
ll a = arr[i];
arr2.push_back(a);
}
for(int i=0; i<x.size(); i++){
ll a = x[i];
ll b = y[i];
ll wt = c[i];
graph[a].push_back({b, wt});
graph[b].push_back({a, wt});
}
dist[0] = 0;
dfs(0, 0);
ld ans = dist[H];
// for(int i=0; i<N; i++){
// cout << dist[i] << " ";
// }
cout<<endl;
return ans;
}
Compilation message (stderr)
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