| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 132934 |
2019-07-20T02:11:33 Z |
Boxworld |
Race (IOI11_race) |
C++14 |
|
3000 ms |
6392 KB |
#include "race.h"
#include <bits/stdc++.h>
using namespace std;
const int maxN=200100;
struct edge{int v,d,nxt;}a[maxN*2];
int k,tmp=0,ans=-1,head[maxN],vis[maxN];
void add(int u,int v,int d){
a[tmp].v=v;a[tmp].d=d;a[tmp].nxt=head[u];head[u]=tmp++;
}
void dfs(int u,int s,int ed){
vis[u]=1;
// printf("to->%d dis:%d vis_edge:%d\n",u,s,ed);
if(s==k){
if(ed<ans||ans==-1)ans=ed;
return;
}
for (int i=head[u];i!=-1;i=a[i].nxt){
int v=a[i].v,d=a[i].d;
if (vis[v])continue;
if(s+d<=k)dfs(v,s+d,ed+1);
}
}
int best_path(int N, int K, int H[][2], int L[]){
k=K;
for (int i=0;i<N;i++)head[i]=-1;
for (int i=0;i<N-1;i++){
add(H[i][0],H[i][1],L[i]);
add(H[i][1],H[i][0],L[i]);
}
for (int i=0;i<N;i++){
memset(vis,0,sizeof(vis));
dfs(i,0,0);
}
return ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 2 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 3 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 4 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 5 |
Correct |
7 ms |
1148 KB |
Output is correct |
| 6 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 7 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 8 |
Correct |
8 ms |
1216 KB |
Output is correct |
| 9 |
Correct |
8 ms |
1144 KB |
Output is correct |
| 10 |
Correct |
8 ms |
1144 KB |
Output is correct |
| 11 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 12 |
Correct |
7 ms |
1272 KB |
Output is correct |
| 13 |
Correct |
8 ms |
1144 KB |
Output is correct |
| 14 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 15 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 16 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 17 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 18 |
Correct |
7 ms |
1144 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 2 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 3 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 4 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 5 |
Correct |
7 ms |
1148 KB |
Output is correct |
| 6 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 7 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 8 |
Correct |
8 ms |
1216 KB |
Output is correct |
| 9 |
Correct |
8 ms |
1144 KB |
Output is correct |
| 10 |
Correct |
8 ms |
1144 KB |
Output is correct |
| 11 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 12 |
Correct |
7 ms |
1272 KB |
Output is correct |
| 13 |
Correct |
8 ms |
1144 KB |
Output is correct |
| 14 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 15 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 16 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 17 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 18 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 19 |
Correct |
3 ms |
1144 KB |
Output is correct |
| 20 |
Correct |
7 ms |
1148 KB |
Output is correct |
| 21 |
Correct |
55 ms |
1144 KB |
Output is correct |
| 22 |
Correct |
45 ms |
1144 KB |
Output is correct |
| 23 |
Correct |
43 ms |
1260 KB |
Output is correct |
| 24 |
Correct |
43 ms |
1180 KB |
Output is correct |
| 25 |
Correct |
57 ms |
1272 KB |
Output is correct |
| 26 |
Correct |
43 ms |
1148 KB |
Output is correct |
| 27 |
Correct |
42 ms |
1144 KB |
Output is correct |
| 28 |
Correct |
49 ms |
1244 KB |
Output is correct |
| 29 |
Correct |
53 ms |
1148 KB |
Output is correct |
| 30 |
Correct |
52 ms |
1144 KB |
Output is correct |
| 31 |
Correct |
59 ms |
1148 KB |
Output is correct |
| 32 |
Correct |
58 ms |
1144 KB |
Output is correct |
| 33 |
Correct |
53 ms |
1272 KB |
Output is correct |
| 34 |
Correct |
40 ms |
1144 KB |
Output is correct |
| 35 |
Correct |
39 ms |
1144 KB |
Output is correct |
| 36 |
Correct |
39 ms |
1212 KB |
Output is correct |
| 37 |
Correct |
42 ms |
1144 KB |
Output is correct |
| 38 |
Correct |
49 ms |
1148 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 2 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 3 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 4 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 5 |
Correct |
7 ms |
1148 KB |
Output is correct |
| 6 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 7 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 8 |
Correct |
8 ms |
1216 KB |
Output is correct |
| 9 |
Correct |
8 ms |
1144 KB |
Output is correct |
| 10 |
Correct |
8 ms |
1144 KB |
Output is correct |
| 11 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 12 |
Correct |
7 ms |
1272 KB |
Output is correct |
| 13 |
Correct |
8 ms |
1144 KB |
Output is correct |
| 14 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 15 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 16 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 17 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 18 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 19 |
Execution timed out |
3028 ms |
6392 KB |
Time limit exceeded |
| 20 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 2 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 3 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 4 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 5 |
Correct |
7 ms |
1148 KB |
Output is correct |
| 6 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 7 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 8 |
Correct |
8 ms |
1216 KB |
Output is correct |
| 9 |
Correct |
8 ms |
1144 KB |
Output is correct |
| 10 |
Correct |
8 ms |
1144 KB |
Output is correct |
| 11 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 12 |
Correct |
7 ms |
1272 KB |
Output is correct |
| 13 |
Correct |
8 ms |
1144 KB |
Output is correct |
| 14 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 15 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 16 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 17 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 18 |
Correct |
7 ms |
1144 KB |
Output is correct |
| 19 |
Correct |
3 ms |
1144 KB |
Output is correct |
| 20 |
Correct |
7 ms |
1148 KB |
Output is correct |
| 21 |
Correct |
55 ms |
1144 KB |
Output is correct |
| 22 |
Correct |
45 ms |
1144 KB |
Output is correct |
| 23 |
Correct |
43 ms |
1260 KB |
Output is correct |
| 24 |
Correct |
43 ms |
1180 KB |
Output is correct |
| 25 |
Correct |
57 ms |
1272 KB |
Output is correct |
| 26 |
Correct |
43 ms |
1148 KB |
Output is correct |
| 27 |
Correct |
42 ms |
1144 KB |
Output is correct |
| 28 |
Correct |
49 ms |
1244 KB |
Output is correct |
| 29 |
Correct |
53 ms |
1148 KB |
Output is correct |
| 30 |
Correct |
52 ms |
1144 KB |
Output is correct |
| 31 |
Correct |
59 ms |
1148 KB |
Output is correct |
| 32 |
Correct |
58 ms |
1144 KB |
Output is correct |
| 33 |
Correct |
53 ms |
1272 KB |
Output is correct |
| 34 |
Correct |
40 ms |
1144 KB |
Output is correct |
| 35 |
Correct |
39 ms |
1144 KB |
Output is correct |
| 36 |
Correct |
39 ms |
1212 KB |
Output is correct |
| 37 |
Correct |
42 ms |
1144 KB |
Output is correct |
| 38 |
Correct |
49 ms |
1148 KB |
Output is correct |
| 39 |
Execution timed out |
3028 ms |
6392 KB |
Time limit exceeded |
| 40 |
Halted |
0 ms |
0 KB |
- |
