| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 955222 |
2024-03-29T18:47:36 Z |
Vanilla |
Race (IOI11_race) |
C++17 |
|
436 ms |
83540 KB |
#include <bits/stdc++.h>
#include "race.h"
using namespace std;
const int maxn=2e5+2;
vector<pair<int,int>>ad[maxn];
map<int,int>mp[maxn];
int rs=1e9;
void dfs(int u,int p,int k,int d,int h) {
mp[u][d]=h;
for(auto[v,c]:ad[u]) {
if(v==p)continue;
dfs(v,u,k,d+c,h+1);
if(mp[v].size()>mp[u].size())swap(mp[u],mp[v]);
for(auto[cost,node]:mp[v]){
int rem=k+2*d-cost;
if (mp[u].count(rem)){
rs=min(rs,mp[u][rem]+node-2*h);
}
}
for(auto[cost,node]:mp[v]){
if(!mp[u].count(cost))mp[u][cost]=node;
mp[u][cost]=min(mp[u][cost],node);
}
}
}
int best_path(int n,int k,int h[][2],int l[]){
for(int i=0;i<n-1;i++){
ad[h[i][0]].push_back({h[i][1],l[i]});
ad[h[i][1]].push_back({h[i][0],l[i]});
}
dfs(0,-1,k,0,0);
return rs==(int)1e9?-1:rs;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 2 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 3 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 4 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 5 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 6 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 7 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 8 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 9 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 10 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 11 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 12 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 13 |
Correct |
5 ms |
18196 KB |
Output is correct |
| 14 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 15 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 16 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 17 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 18 |
Correct |
4 ms |
18012 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 2 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 3 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 4 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 5 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 6 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 7 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 8 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 9 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 10 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 11 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 12 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 13 |
Correct |
5 ms |
18196 KB |
Output is correct |
| 14 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 15 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 16 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 17 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 18 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 19 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 20 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 21 |
Correct |
5 ms |
18296 KB |
Output is correct |
| 22 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 23 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 24 |
Correct |
5 ms |
18400 KB |
Output is correct |
| 25 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 26 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 27 |
Correct |
4 ms |
18268 KB |
Output is correct |
| 28 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 29 |
Correct |
6 ms |
18268 KB |
Output is correct |
| 30 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 31 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 32 |
Correct |
5 ms |
18156 KB |
Output is correct |
| 33 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 34 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 35 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 36 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 37 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 38 |
Correct |
5 ms |
18268 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 2 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 3 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 4 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 5 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 6 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 7 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 8 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 9 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 10 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 11 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 12 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 13 |
Correct |
5 ms |
18196 KB |
Output is correct |
| 14 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 15 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 16 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 17 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 18 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 19 |
Correct |
90 ms |
35624 KB |
Output is correct |
| 20 |
Correct |
90 ms |
35668 KB |
Output is correct |
| 21 |
Correct |
87 ms |
35428 KB |
Output is correct |
| 22 |
Correct |
87 ms |
35160 KB |
Output is correct |
| 23 |
Correct |
137 ms |
44888 KB |
Output is correct |
| 24 |
Correct |
103 ms |
37712 KB |
Output is correct |
| 25 |
Correct |
75 ms |
36960 KB |
Output is correct |
| 26 |
Correct |
50 ms |
43844 KB |
Output is correct |
| 27 |
Correct |
144 ms |
42324 KB |
Output is correct |
| 28 |
Correct |
241 ms |
76628 KB |
Output is correct |
| 29 |
Correct |
244 ms |
74836 KB |
Output is correct |
| 30 |
Correct |
158 ms |
42292 KB |
Output is correct |
| 31 |
Correct |
138 ms |
42064 KB |
Output is correct |
| 32 |
Correct |
183 ms |
42336 KB |
Output is correct |
| 33 |
Correct |
184 ms |
45908 KB |
Output is correct |
| 34 |
Correct |
318 ms |
69704 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 2 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 3 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 4 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 5 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 6 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 7 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 8 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 9 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 10 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 11 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 12 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 13 |
Correct |
5 ms |
18196 KB |
Output is correct |
| 14 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 15 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 16 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 17 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 18 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 19 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 20 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 21 |
Correct |
5 ms |
18296 KB |
Output is correct |
| 22 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 23 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 24 |
Correct |
5 ms |
18400 KB |
Output is correct |
| 25 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 26 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 27 |
Correct |
4 ms |
18268 KB |
Output is correct |
| 28 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 29 |
Correct |
6 ms |
18268 KB |
Output is correct |
| 30 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 31 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 32 |
Correct |
5 ms |
18156 KB |
Output is correct |
| 33 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 34 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 35 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 36 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 37 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 38 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 39 |
Correct |
90 ms |
35624 KB |
Output is correct |
| 40 |
Correct |
90 ms |
35668 KB |
Output is correct |
| 41 |
Correct |
87 ms |
35428 KB |
Output is correct |
| 42 |
Correct |
87 ms |
35160 KB |
Output is correct |
| 43 |
Correct |
137 ms |
44888 KB |
Output is correct |
| 44 |
Correct |
103 ms |
37712 KB |
Output is correct |
| 45 |
Correct |
75 ms |
36960 KB |
Output is correct |
| 46 |
Correct |
50 ms |
43844 KB |
Output is correct |
| 47 |
Correct |
144 ms |
42324 KB |
Output is correct |
| 48 |
Correct |
241 ms |
76628 KB |
Output is correct |
| 49 |
Correct |
244 ms |
74836 KB |
Output is correct |
| 50 |
Correct |
158 ms |
42292 KB |
Output is correct |
| 51 |
Correct |
138 ms |
42064 KB |
Output is correct |
| 52 |
Correct |
183 ms |
42336 KB |
Output is correct |
| 53 |
Correct |
184 ms |
45908 KB |
Output is correct |
| 54 |
Correct |
318 ms |
69704 KB |
Output is correct |
| 55 |
Correct |
17 ms |
20316 KB |
Output is correct |
| 56 |
Correct |
9 ms |
19288 KB |
Output is correct |
| 57 |
Correct |
52 ms |
33620 KB |
Output is correct |
| 58 |
Correct |
45 ms |
29016 KB |
Output is correct |
| 59 |
Correct |
84 ms |
48468 KB |
Output is correct |
| 60 |
Correct |
231 ms |
75344 KB |
Output is correct |
| 61 |
Correct |
175 ms |
44788 KB |
Output is correct |
| 62 |
Correct |
139 ms |
42068 KB |
Output is correct |
| 63 |
Correct |
210 ms |
42112 KB |
Output is correct |
| 64 |
Correct |
436 ms |
83540 KB |
Output is correct |
| 65 |
Correct |
412 ms |
81488 KB |
Output is correct |
| 66 |
Correct |
260 ms |
71484 KB |
Output is correct |
| 67 |
Correct |
126 ms |
37824 KB |
Output is correct |
| 68 |
Correct |
314 ms |
54620 KB |
Output is correct |
| 69 |
Correct |
396 ms |
58376 KB |
Output is correct |
| 70 |
Correct |
284 ms |
53040 KB |
Output is correct |
