#include "swap.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define fi first
#define se second
#define SZ(a) (int)a.size()
using ll = long long;
const int maxn = (int)1e5+10;
const ll LINF = (ll)1e18;
vector<pair<int,int>> adj[maxn];
ll dis[maxn], tot = 0;
int par[maxn];
bool vis[maxn];
bool noCycle = false;
void dfs(int s, int p, int d=0){
dis[s]=d; par[s]=p;vis[s]=1;
for(auto u : adj[s]){
if(!vis[u.fi]) dfs(u.fi,s, d+u.se);
}
}
void init(int N, int M, vector<int> u, vector<int> v, vector<int> w) {
for(int i = 0; i < M; i++){
adj[u[i]].pb({v[i],w[i]});
adj[v[i]].pb({u[i],w[i]}); tot+=w[i];
}
for(int i = 1; i <= N; i++){
if(SZ(adj[i])==2) continue;
noCycle=true; break;
}
if(!noCycle) dfs(0,-1);
}
/*
5 4
1 2 3
2 3 4
3 4 5
4 5 6
4
1 2
1 5
2 5
2 4
*/
int getMinimumFuelCapacity(int x, int y) {
if(dis[x]>dis[y]) swap(x,y);
if(noCycle) return -1;
ll sum = dis[y]-dis[x], edgex = LINF, edgey=LINF;
return tot;
if(SZ(adj[y])!=1)
for(auto u : adj[y])
if(dis[u.fi]>dis[y]) edgey=u.se;
if(SZ(adj[x])!=1)
for(auto u : adj[x])
if(dis[u.fi]<dis[x]) edgex=u.se;
return sum+min(edgex,edgey);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2644 KB |
Output is correct |
2 |
Correct |
2 ms |
2644 KB |
Output is correct |
3 |
Correct |
3 ms |
2644 KB |
Output is correct |
4 |
Correct |
3 ms |
2644 KB |
Output is correct |
5 |
Correct |
2 ms |
2644 KB |
Output is correct |
6 |
Correct |
3 ms |
2644 KB |
Output is correct |
7 |
Correct |
3 ms |
2644 KB |
Output is correct |
8 |
Correct |
2 ms |
2644 KB |
Output is correct |
9 |
Correct |
50 ms |
6912 KB |
Output is correct |
10 |
Correct |
53 ms |
7900 KB |
Output is correct |
11 |
Correct |
46 ms |
7744 KB |
Output is correct |
12 |
Correct |
72 ms |
8020 KB |
Output is correct |
13 |
Correct |
48 ms |
8012 KB |
Output is correct |
14 |
Correct |
39 ms |
7028 KB |
Output is correct |
15 |
Correct |
102 ms |
9720 KB |
Output is correct |
16 |
Correct |
106 ms |
9588 KB |
Output is correct |
17 |
Correct |
106 ms |
9832 KB |
Output is correct |
18 |
Correct |
119 ms |
9812 KB |
Output is correct |
19 |
Incorrect |
47 ms |
5876 KB |
Output isn't correct |
20 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2644 KB |
Output is correct |
2 |
Correct |
2 ms |
2644 KB |
Output is correct |
3 |
Incorrect |
89 ms |
10244 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2644 KB |
Output is correct |
2 |
Correct |
2 ms |
2644 KB |
Output is correct |
3 |
Correct |
3 ms |
2644 KB |
Output is correct |
4 |
Correct |
3 ms |
2644 KB |
Output is correct |
5 |
Correct |
2 ms |
2644 KB |
Output is correct |
6 |
Correct |
3 ms |
2644 KB |
Output is correct |
7 |
Correct |
3 ms |
2644 KB |
Output is correct |
8 |
Correct |
2 ms |
2644 KB |
Output is correct |
9 |
Incorrect |
1 ms |
2644 KB |
Output isn't correct |
10 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
2644 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2644 KB |
Output is correct |
2 |
Correct |
2 ms |
2644 KB |
Output is correct |
3 |
Correct |
3 ms |
2644 KB |
Output is correct |
4 |
Correct |
3 ms |
2644 KB |
Output is correct |
5 |
Correct |
2 ms |
2644 KB |
Output is correct |
6 |
Correct |
3 ms |
2644 KB |
Output is correct |
7 |
Correct |
3 ms |
2644 KB |
Output is correct |
8 |
Correct |
2 ms |
2644 KB |
Output is correct |
9 |
Correct |
50 ms |
6912 KB |
Output is correct |
10 |
Correct |
53 ms |
7900 KB |
Output is correct |
11 |
Correct |
46 ms |
7744 KB |
Output is correct |
12 |
Correct |
72 ms |
8020 KB |
Output is correct |
13 |
Correct |
48 ms |
8012 KB |
Output is correct |
14 |
Correct |
39 ms |
7028 KB |
Output is correct |
15 |
Correct |
102 ms |
9720 KB |
Output is correct |
16 |
Correct |
106 ms |
9588 KB |
Output is correct |
17 |
Correct |
106 ms |
9832 KB |
Output is correct |
18 |
Correct |
119 ms |
9812 KB |
Output is correct |
19 |
Incorrect |
89 ms |
10244 KB |
Output isn't correct |
20 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
2644 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |