| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 269791 |
2020-08-17T10:20:38 Z |
sean9892 |
None (KOI16_gas) |
C++14 |
|
122 ms |
50336 KB |
#include<bits/stdc++.h>
using namespace std;
using ll=long long;
using pii=pair<int,int>;
using dat=pair<ll,pii>;
#define fi first
#define se second
vector<pii> g[2510];
int cst[2510];
ll dst[2510][2510];
int main(void){
ios::sync_with_stdio(0);cin.tie(0);
int n,m;
cin>>n>>m;
for(int i=1;i<=n;i++){
cin>>cst[i];
}
for(int i=0;i<m;i++){
int a,b,c;
cin>>a>>b>>c;
g[a].emplace_back(b,c);
g[b].emplace_back(a,c);
}
memset(dst,0x3f,sizeof(dst));
dst[1][cst[1]]=0;
priority_queue<dat> q;
ll res=0x3f3f3f3f3f3f3f3f;
#define pushDat(d,x,c) q.push(dat(-(d),pii(x,c)))
#define popDat(d,x,c) do{d=-q.top().fi;x=q.top().se.fi;c=q.top().se.se;q.pop();}while(0)
pushDat(0,1,cst[1]);
while(!q.empty()){
ll d;
int x,c;
popDat(d,x,c);
if(dst[x][c]<d)continue;
if(x==n){
res=min(res,d);
}
for(auto& e:g[x]){
int i,w;
tie(i,w)=e;
if(dst[i][min(c,cst[i])]>d+c*w){
dst[i][min(c,cst[i])]=d+c*w;
pushDat(d+c*w,i,min(c,cst[i]));
}
}
}
#undef pushDat
#undef popDat
cout<<res;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
29 ms |
49656 KB |
Output is correct |
| 2 |
Correct |
29 ms |
49664 KB |
Output is correct |
| 3 |
Correct |
29 ms |
49656 KB |
Output is correct |
| 4 |
Correct |
29 ms |
49664 KB |
Output is correct |
| 5 |
Correct |
29 ms |
49664 KB |
Output is correct |
| 6 |
Correct |
29 ms |
49656 KB |
Output is correct |
| 7 |
Correct |
29 ms |
49664 KB |
Output is correct |
| 8 |
Correct |
30 ms |
49664 KB |
Output is correct |
| 9 |
Correct |
31 ms |
49664 KB |
Output is correct |
| 10 |
Correct |
32 ms |
49664 KB |
Output is correct |
| 11 |
Correct |
30 ms |
49656 KB |
Output is correct |
| 12 |
Correct |
29 ms |
49656 KB |
Output is correct |
| 13 |
Correct |
29 ms |
49664 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
31 ms |
49784 KB |
Output is correct |
| 2 |
Correct |
31 ms |
49784 KB |
Output is correct |
| 3 |
Correct |
35 ms |
49784 KB |
Output is correct |
| 4 |
Correct |
36 ms |
49792 KB |
Output is correct |
| 5 |
Correct |
32 ms |
49792 KB |
Output is correct |
| 6 |
Correct |
31 ms |
49784 KB |
Output is correct |
| 7 |
Correct |
31 ms |
49888 KB |
Output is correct |
| 8 |
Correct |
33 ms |
49912 KB |
Output is correct |
| 9 |
Correct |
30 ms |
49788 KB |
Output is correct |
| 10 |
Correct |
37 ms |
49792 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
37 ms |
49792 KB |
Output is correct |
| 2 |
Correct |
31 ms |
49912 KB |
Output is correct |
| 3 |
Correct |
31 ms |
49920 KB |
Output is correct |
| 4 |
Correct |
32 ms |
49912 KB |
Output is correct |
| 5 |
Correct |
33 ms |
49920 KB |
Output is correct |
| 6 |
Correct |
32 ms |
49912 KB |
Output is correct |
| 7 |
Correct |
32 ms |
49912 KB |
Output is correct |
| 8 |
Correct |
32 ms |
49912 KB |
Output is correct |
| 9 |
Correct |
31 ms |
49912 KB |
Output is correct |
| 10 |
Correct |
37 ms |
49912 KB |
Output is correct |
| 11 |
Correct |
31 ms |
49912 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
29 ms |
49656 KB |
Output is correct |
| 2 |
Correct |
29 ms |
49664 KB |
Output is correct |
| 3 |
Correct |
29 ms |
49656 KB |
Output is correct |
| 4 |
Correct |
29 ms |
49664 KB |
Output is correct |
| 5 |
Correct |
29 ms |
49664 KB |
Output is correct |
| 6 |
Correct |
29 ms |
49656 KB |
Output is correct |
| 7 |
Correct |
29 ms |
49664 KB |
Output is correct |
| 8 |
Correct |
30 ms |
49664 KB |
Output is correct |
| 9 |
Correct |
31 ms |
49664 KB |
Output is correct |
| 10 |
Correct |
32 ms |
49664 KB |
Output is correct |
| 11 |
Correct |
30 ms |
49656 KB |
Output is correct |
| 12 |
Correct |
29 ms |
49656 KB |
Output is correct |
| 13 |
Correct |
29 ms |
49664 KB |
Output is correct |
| 14 |
Correct |
36 ms |
49688 KB |
Output is correct |
| 15 |
Correct |
29 ms |
49784 KB |
Output is correct |
| 16 |
Correct |
29 ms |
49716 KB |
Output is correct |
| 17 |
Correct |
52 ms |
50168 KB |
Output is correct |
| 18 |
Correct |
52 ms |
50176 KB |
Output is correct |
| 19 |
Correct |
38 ms |
49784 KB |
Output is correct |
| 20 |
Correct |
32 ms |
49784 KB |
Output is correct |
| 21 |
Correct |
33 ms |
49784 KB |
Output is correct |
| 22 |
Correct |
32 ms |
49792 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
29 ms |
49656 KB |
Output is correct |
| 2 |
Correct |
29 ms |
49664 KB |
Output is correct |
| 3 |
Correct |
29 ms |
49656 KB |
Output is correct |
| 4 |
Correct |
29 ms |
49664 KB |
Output is correct |
| 5 |
Correct |
29 ms |
49664 KB |
Output is correct |
| 6 |
Correct |
29 ms |
49656 KB |
Output is correct |
| 7 |
Correct |
29 ms |
49664 KB |
Output is correct |
| 8 |
Correct |
30 ms |
49664 KB |
Output is correct |
| 9 |
Correct |
31 ms |
49664 KB |
Output is correct |
| 10 |
Correct |
32 ms |
49664 KB |
Output is correct |
| 11 |
Correct |
30 ms |
49656 KB |
Output is correct |
| 12 |
Correct |
29 ms |
49656 KB |
Output is correct |
| 13 |
Correct |
29 ms |
49664 KB |
Output is correct |
| 14 |
Correct |
31 ms |
49784 KB |
Output is correct |
| 15 |
Correct |
31 ms |
49784 KB |
Output is correct |
| 16 |
Correct |
35 ms |
49784 KB |
Output is correct |
| 17 |
Correct |
36 ms |
49792 KB |
Output is correct |
| 18 |
Correct |
32 ms |
49792 KB |
Output is correct |
| 19 |
Correct |
31 ms |
49784 KB |
Output is correct |
| 20 |
Correct |
31 ms |
49888 KB |
Output is correct |
| 21 |
Correct |
33 ms |
49912 KB |
Output is correct |
| 22 |
Correct |
30 ms |
49788 KB |
Output is correct |
| 23 |
Correct |
37 ms |
49792 KB |
Output is correct |
| 24 |
Correct |
37 ms |
49792 KB |
Output is correct |
| 25 |
Correct |
31 ms |
49912 KB |
Output is correct |
| 26 |
Correct |
31 ms |
49920 KB |
Output is correct |
| 27 |
Correct |
32 ms |
49912 KB |
Output is correct |
| 28 |
Correct |
33 ms |
49920 KB |
Output is correct |
| 29 |
Correct |
32 ms |
49912 KB |
Output is correct |
| 30 |
Correct |
32 ms |
49912 KB |
Output is correct |
| 31 |
Correct |
32 ms |
49912 KB |
Output is correct |
| 32 |
Correct |
31 ms |
49912 KB |
Output is correct |
| 33 |
Correct |
37 ms |
49912 KB |
Output is correct |
| 34 |
Correct |
31 ms |
49912 KB |
Output is correct |
| 35 |
Correct |
36 ms |
49688 KB |
Output is correct |
| 36 |
Correct |
29 ms |
49784 KB |
Output is correct |
| 37 |
Correct |
29 ms |
49716 KB |
Output is correct |
| 38 |
Correct |
52 ms |
50168 KB |
Output is correct |
| 39 |
Correct |
52 ms |
50176 KB |
Output is correct |
| 40 |
Correct |
38 ms |
49784 KB |
Output is correct |
| 41 |
Correct |
32 ms |
49784 KB |
Output is correct |
| 42 |
Correct |
33 ms |
49784 KB |
Output is correct |
| 43 |
Correct |
32 ms |
49792 KB |
Output is correct |
| 44 |
Correct |
36 ms |
49784 KB |
Output is correct |
| 45 |
Correct |
32 ms |
49784 KB |
Output is correct |
| 46 |
Correct |
33 ms |
49884 KB |
Output is correct |
| 47 |
Correct |
49 ms |
50336 KB |
Output is correct |
| 48 |
Correct |
51 ms |
50296 KB |
Output is correct |
| 49 |
Correct |
104 ms |
50168 KB |
Output is correct |
| 50 |
Correct |
53 ms |
50040 KB |
Output is correct |
| 51 |
Correct |
122 ms |
50296 KB |
Output is correct |
| 52 |
Correct |
94 ms |
50168 KB |
Output is correct |
