#include <bits/stdc++.h>
#define MT make_tuple
using namespace std;
const int MAXN = 1e5 + 10;
typedef long long ll;
typedef tuple<ll,ll,ll> trinca;
typedef pair<ll,ll> ii;
vector<ii> grafo[MAXN];
ll N,M,processado[MAXN][8],dist[MAXN][8],ans,S,T,U,V,menorcaminho;
void Dijskra(ll origem,ll idx){
priority_queue<ii, vector<ii> , greater<ii> > pq;
pq.push(ii(0,origem));
while(!pq.empty()){
ll percorrido = pq.top().first, v = pq.top().second;
pq.pop();
if(processado[v][idx]) continue;
processado[v][idx] = 1;
dist[v][idx] = percorrido;
for(int i = 0;i<grafo[v].size();i++){
ll u = grafo[v][i].first, w = grafo[v][i].second;
if(!processado[u][idx]) pq.push(ii(w + percorrido,u));
}
}
}
void solve(ll origem,ll qualsoma,ll idx, ll qualminimiza, ll qualtenta ){
priority_queue<trinca, vector<trinca> , greater<trinca> > pq;
pq.push(MT(0,(ll)1e18,origem));
while(!pq.empty()){
trinca davez = pq.top();
pq.pop();
ll percorrido = get<0>(davez), menor = get<1>(davez) , v = get<2>(davez);
if(processado[v][idx]) continue;
processado[v][idx] = 1;
dist[v][idx] = percorrido;
if(percorrido + dist[v][qualsoma] == menorcaminho){
ans = min(ans, menorcaminho + menor + dist[v][qualtenta] );
}
menor = min(menor,dist[v][qualminimiza]);
for(int i = 0;i<grafo[v].size();i++){
ll u = grafo[v][i].first, w = grafo[v][i].second;
if(!processado[u][idx]) pq.push(MT(w + percorrido,menor,u));
}
}
}
int main(){
cin.tie(0);ios_base::sync_with_stdio(0);
cin >> N >> M >> S >> T >> U >> V;
for(int i = 1;i<=M;i++){
ll u,v,w;
cin >> u >> v >> w;
grafo[u].push_back(ii(v,w));
grafo[v].push_back(ii(u,w));
}
Dijskra(S,0);
Dijskra(T,1);
Dijskra(U,2);
Dijskra(V,3);
ans = dist[T][0] + dist[V][2];
menorcaminho = dist[T][0];
solve(S,1,4,2,3);
solve(S,1,5,3,2);
solve(T,0,6,2,3);
solve(T,0,7,3,2);
cout << ans - menorcaminho << endl;
return 0;
}
Compilation message
commuter_pass.cpp: In function 'void Dijskra(ll, ll)':
commuter_pass.cpp:19:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i = 0;i<grafo[v].size();i++){
^
commuter_pass.cpp: In function 'void solve(ll, ll, ll, ll, ll)':
commuter_pass.cpp:39:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i = 0;i<grafo[v].size();i++){
^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
983 ms |
31560 KB |
Output is correct |
| 2 |
Correct |
927 ms |
31560 KB |
Output is correct |
| 3 |
Correct |
966 ms |
31560 KB |
Output is correct |
| 4 |
Correct |
979 ms |
31560 KB |
Output is correct |
| 5 |
Correct |
888 ms |
31560 KB |
Output is correct |
| 6 |
Correct |
987 ms |
31740 KB |
Output is correct |
| 7 |
Correct |
889 ms |
31740 KB |
Output is correct |
| 8 |
Correct |
973 ms |
31740 KB |
Output is correct |
| 9 |
Correct |
988 ms |
31740 KB |
Output is correct |
| 10 |
Correct |
984 ms |
31740 KB |
Output is correct |
| 11 |
Correct |
284 ms |
31740 KB |
Output is correct |
| 12 |
Correct |
952 ms |
31740 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1000 ms |
31740 KB |
Output is correct |
| 2 |
Correct |
945 ms |
31740 KB |
Output is correct |
| 3 |
Correct |
919 ms |
31740 KB |
Output is correct |
| 4 |
Correct |
940 ms |
31740 KB |
Output is correct |
| 5 |
Correct |
909 ms |
31740 KB |
Output is correct |
| 6 |
Correct |
954 ms |
31740 KB |
Output is correct |
| 7 |
Correct |
946 ms |
31740 KB |
Output is correct |
| 8 |
Correct |
944 ms |
31740 KB |
Output is correct |
| 9 |
Correct |
944 ms |
31740 KB |
Output is correct |
| 10 |
Correct |
941 ms |
31740 KB |
Output is correct |
| 11 |
Correct |
276 ms |
31740 KB |
Output is correct |
| 12 |
Correct |
983 ms |
31740 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
49 ms |
31740 KB |
Output is correct |
| 2 |
Correct |
5 ms |
31740 KB |
Output is correct |
| 3 |
Correct |
5 ms |
31740 KB |
Output is correct |
| 4 |
Correct |
96 ms |
31740 KB |
Output is correct |
| 5 |
Correct |
48 ms |
31740 KB |
Output is correct |
| 6 |
Correct |
5 ms |
31740 KB |
Output is correct |
| 7 |
Correct |
7 ms |
31740 KB |
Output is correct |
| 8 |
Correct |
10 ms |
31740 KB |
Output is correct |
| 9 |
Correct |
5 ms |
31740 KB |
Output is correct |
| 10 |
Correct |
45 ms |
31740 KB |
Output is correct |
| 11 |
Correct |
3 ms |
31740 KB |
Output is correct |
| 12 |
Correct |
4 ms |
31740 KB |
Output is correct |
| 13 |
Correct |
4 ms |
31740 KB |
Output is correct |
| 14 |
Correct |
5 ms |
31740 KB |
Output is correct |
| 15 |
Correct |
5 ms |
31740 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
983 ms |
31560 KB |
Output is correct |
| 2 |
Correct |
927 ms |
31560 KB |
Output is correct |
| 3 |
Correct |
966 ms |
31560 KB |
Output is correct |
| 4 |
Correct |
979 ms |
31560 KB |
Output is correct |
| 5 |
Correct |
888 ms |
31560 KB |
Output is correct |
| 6 |
Correct |
987 ms |
31740 KB |
Output is correct |
| 7 |
Correct |
889 ms |
31740 KB |
Output is correct |
| 8 |
Correct |
973 ms |
31740 KB |
Output is correct |
| 9 |
Correct |
988 ms |
31740 KB |
Output is correct |
| 10 |
Correct |
984 ms |
31740 KB |
Output is correct |
| 11 |
Correct |
284 ms |
31740 KB |
Output is correct |
| 12 |
Correct |
952 ms |
31740 KB |
Output is correct |
| 13 |
Correct |
1000 ms |
31740 KB |
Output is correct |
| 14 |
Correct |
945 ms |
31740 KB |
Output is correct |
| 15 |
Correct |
919 ms |
31740 KB |
Output is correct |
| 16 |
Correct |
940 ms |
31740 KB |
Output is correct |
| 17 |
Correct |
909 ms |
31740 KB |
Output is correct |
| 18 |
Correct |
954 ms |
31740 KB |
Output is correct |
| 19 |
Correct |
946 ms |
31740 KB |
Output is correct |
| 20 |
Correct |
944 ms |
31740 KB |
Output is correct |
| 21 |
Correct |
944 ms |
31740 KB |
Output is correct |
| 22 |
Correct |
941 ms |
31740 KB |
Output is correct |
| 23 |
Correct |
276 ms |
31740 KB |
Output is correct |
| 24 |
Correct |
983 ms |
31740 KB |
Output is correct |
| 25 |
Correct |
49 ms |
31740 KB |
Output is correct |
| 26 |
Correct |
5 ms |
31740 KB |
Output is correct |
| 27 |
Correct |
5 ms |
31740 KB |
Output is correct |
| 28 |
Correct |
96 ms |
31740 KB |
Output is correct |
| 29 |
Correct |
48 ms |
31740 KB |
Output is correct |
| 30 |
Correct |
5 ms |
31740 KB |
Output is correct |
| 31 |
Correct |
7 ms |
31740 KB |
Output is correct |
| 32 |
Correct |
10 ms |
31740 KB |
Output is correct |
| 33 |
Correct |
5 ms |
31740 KB |
Output is correct |
| 34 |
Correct |
45 ms |
31740 KB |
Output is correct |
| 35 |
Correct |
3 ms |
31740 KB |
Output is correct |
| 36 |
Correct |
4 ms |
31740 KB |
Output is correct |
| 37 |
Correct |
4 ms |
31740 KB |
Output is correct |
| 38 |
Correct |
5 ms |
31740 KB |
Output is correct |
| 39 |
Correct |
5 ms |
31740 KB |
Output is correct |
| 40 |
Correct |
1073 ms |
31740 KB |
Output is correct |
| 41 |
Correct |
937 ms |
31740 KB |
Output is correct |
| 42 |
Correct |
929 ms |
31740 KB |
Output is correct |
| 43 |
Correct |
283 ms |
31740 KB |
Output is correct |
| 44 |
Correct |
279 ms |
31740 KB |
Output is correct |
| 45 |
Correct |
880 ms |
31740 KB |
Output is correct |
| 46 |
Correct |
886 ms |
31740 KB |
Output is correct |
| 47 |
Correct |
937 ms |
31740 KB |
Output is correct |
| 48 |
Correct |
326 ms |
31740 KB |
Output is correct |
| 49 |
Correct |
951 ms |
31740 KB |
Output is correct |
| 50 |
Correct |
829 ms |
31740 KB |
Output is correct |
| 51 |
Correct |
842 ms |
31740 KB |
Output is correct |
