| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 944632 |
2024-03-13T02:11:18 Z |
beepbeepsheep |
Race (IOI11_race) |
C++17 |
|
385 ms |
105708 KB |
#include "race.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ii pair<ll,ll>
const ll maxn=2e5+5;
const ll inf=1e15;
const ll mod=1e9+7;
ll ans=inf;
vector<ii> adj[maxn];
ll n,k;
map<ll,ll> maps[maxn];
pair<ll,ll> solve(ll n, ll p){
maps[n].insert({0,0});
ll off=0;
ll off2=0;
ll b,c;
for (auto u:adj[n]){
if (u.first==p) continue;
tie(b,c)=solve(u.first,n);
b+=u.second;
c++;
map<ll,ll> &a=maps[u.first];
if (maps[n].size()<a.size()) swap(maps[n],a),swap(off,b),swap(off2,c);
for (auto v:a){
auto it=maps[n].find(k-v.first-b-off);
if (it!=maps[n].end()){
ans=min(ans,it->second+v.second+off2+c);
}
}
for (auto v:a){
if (maps[n].find(v.first+b-off)==maps[n].end()){
maps[n][v.first+b-off]=v.second+c-off2;
} else{
maps[n][v.first+b-off]=min(maps[n][v.first+b-off],v.second+c-off2);
}
}
}
return {off,off2};
}
int best_path(int N, int K, int H[][2], int L[])
{
n=N,k=K;
for (int i=0;i<n-1;i++){
adj[H[i][0]].emplace_back(H[i][1],L[i]);
adj[H[i][1]].emplace_back(H[i][0],L[i]);
}
solve(0,-1);
return (ans==inf?-1:ans);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
18008 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 |
5 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 |
4 ms |
18012 KB |
Output is correct |
| 13 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 14 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 15 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 16 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 17 |
Correct |
4 ms |
18008 KB |
Output is correct |
| 18 |
Correct |
4 ms |
18012 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
18008 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 |
5 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 |
4 ms |
18012 KB |
Output is correct |
| 13 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 14 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 15 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 16 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 17 |
Correct |
4 ms |
18008 KB |
Output is correct |
| 18 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 19 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 20 |
Correct |
5 ms |
18200 KB |
Output is correct |
| 21 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 22 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 23 |
Correct |
5 ms |
18292 KB |
Output is correct |
| 24 |
Correct |
5 ms |
18268 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 |
4 ms |
18268 KB |
Output is correct |
| 29 |
Correct |
4 ms |
18268 KB |
Output is correct |
| 30 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 31 |
Correct |
5 ms |
18432 KB |
Output is correct |
| 32 |
Correct |
4 ms |
18264 KB |
Output is correct |
| 33 |
Correct |
5 ms |
18264 KB |
Output is correct |
| 34 |
Correct |
5 ms |
18264 KB |
Output is correct |
| 35 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 36 |
Correct |
5 ms |
18228 KB |
Output is correct |
| 37 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 38 |
Correct |
5 ms |
18432 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
18008 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 |
5 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 |
4 ms |
18012 KB |
Output is correct |
| 13 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 14 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 15 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 16 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 17 |
Correct |
4 ms |
18008 KB |
Output is correct |
| 18 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 19 |
Correct |
108 ms |
41176 KB |
Output is correct |
| 20 |
Correct |
92 ms |
41988 KB |
Output is correct |
| 21 |
Correct |
84 ms |
41552 KB |
Output is correct |
| 22 |
Correct |
104 ms |
41716 KB |
Output is correct |
| 23 |
Correct |
129 ms |
54644 KB |
Output is correct |
| 24 |
Correct |
108 ms |
44936 KB |
Output is correct |
| 25 |
Correct |
87 ms |
43904 KB |
Output is correct |
| 26 |
Correct |
50 ms |
52304 KB |
Output is correct |
| 27 |
Correct |
148 ms |
51792 KB |
Output is correct |
| 28 |
Correct |
262 ms |
97104 KB |
Output is correct |
| 29 |
Correct |
261 ms |
95316 KB |
Output is correct |
| 30 |
Correct |
151 ms |
52336 KB |
Output is correct |
| 31 |
Correct |
153 ms |
52564 KB |
Output is correct |
| 32 |
Correct |
186 ms |
52308 KB |
Output is correct |
| 33 |
Correct |
188 ms |
57400 KB |
Output is correct |
| 34 |
Correct |
268 ms |
89956 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
18008 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 |
5 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 |
4 ms |
18012 KB |
Output is correct |
| 13 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 14 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 15 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 16 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 17 |
Correct |
4 ms |
18008 KB |
Output is correct |
| 18 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 19 |
Correct |
4 ms |
18012 KB |
Output is correct |
| 20 |
Correct |
5 ms |
18200 KB |
Output is correct |
| 21 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 22 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 23 |
Correct |
5 ms |
18292 KB |
Output is correct |
| 24 |
Correct |
5 ms |
18268 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 |
4 ms |
18268 KB |
Output is correct |
| 29 |
Correct |
4 ms |
18268 KB |
Output is correct |
| 30 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 31 |
Correct |
5 ms |
18432 KB |
Output is correct |
| 32 |
Correct |
4 ms |
18264 KB |
Output is correct |
| 33 |
Correct |
5 ms |
18264 KB |
Output is correct |
| 34 |
Correct |
5 ms |
18264 KB |
Output is correct |
| 35 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 36 |
Correct |
5 ms |
18228 KB |
Output is correct |
| 37 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 38 |
Correct |
5 ms |
18432 KB |
Output is correct |
| 39 |
Correct |
108 ms |
41176 KB |
Output is correct |
| 40 |
Correct |
92 ms |
41988 KB |
Output is correct |
| 41 |
Correct |
84 ms |
41552 KB |
Output is correct |
| 42 |
Correct |
104 ms |
41716 KB |
Output is correct |
| 43 |
Correct |
129 ms |
54644 KB |
Output is correct |
| 44 |
Correct |
108 ms |
44936 KB |
Output is correct |
| 45 |
Correct |
87 ms |
43904 KB |
Output is correct |
| 46 |
Correct |
50 ms |
52304 KB |
Output is correct |
| 47 |
Correct |
148 ms |
51792 KB |
Output is correct |
| 48 |
Correct |
262 ms |
97104 KB |
Output is correct |
| 49 |
Correct |
261 ms |
95316 KB |
Output is correct |
| 50 |
Correct |
151 ms |
52336 KB |
Output is correct |
| 51 |
Correct |
153 ms |
52564 KB |
Output is correct |
| 52 |
Correct |
186 ms |
52308 KB |
Output is correct |
| 53 |
Correct |
188 ms |
57400 KB |
Output is correct |
| 54 |
Correct |
268 ms |
89956 KB |
Output is correct |
| 55 |
Correct |
15 ms |
21328 KB |
Output is correct |
| 56 |
Correct |
10 ms |
20000 KB |
Output is correct |
| 57 |
Correct |
56 ms |
38692 KB |
Output is correct |
| 58 |
Correct |
41 ms |
32196 KB |
Output is correct |
| 59 |
Correct |
81 ms |
58960 KB |
Output is correct |
| 60 |
Correct |
244 ms |
95764 KB |
Output is correct |
| 61 |
Correct |
179 ms |
54872 KB |
Output is correct |
| 62 |
Correct |
140 ms |
52304 KB |
Output is correct |
| 63 |
Correct |
194 ms |
52312 KB |
Output is correct |
| 64 |
Correct |
385 ms |
105708 KB |
Output is correct |
| 65 |
Correct |
365 ms |
105412 KB |
Output is correct |
| 66 |
Correct |
248 ms |
88508 KB |
Output is correct |
| 67 |
Correct |
138 ms |
46004 KB |
Output is correct |
| 68 |
Correct |
288 ms |
68336 KB |
Output is correct |
| 69 |
Correct |
333 ms |
70952 KB |
Output is correct |
| 70 |
Correct |
277 ms |
66640 KB |
Output is correct |
