| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 100399 |
2019-03-10T22:41:11 Z |
SuperJumbo |
Race (IOI11_race) |
C++14 |
|
3000 ms |
31992 KB |
#include <bits/stdc++.h>
#define NMAX 500000
#define inf (INT_MAX>>2)
#define ll long long
#define add push_back
#define mp make_pair
#include "race.h"
using namespace std;
vector<vector<pair<int,int>>> g;
int tot, k, ans;
int sz[NMAX], cen[NMAX];
unordered_map<int,int> all,sub;
void dfs(int node,int par){
sz[node] = 1;
for(auto e:g[node]){
int x = e.first;
if(x == par || cen[x] )continue;
dfs(x,node);
sz[node] += sz[x];
}
tot = max(tot,sz[node]);
}
int centroid(int node,int par){
for(auto e:g[node]){
int x = e.first;
if(x!=par && sz[x]> tot/2 && !cen[x]){
return centroid(x,node);
}
}
cen[node] = 1;
return node;
}
void dfs2(int node, int par, int cc, int len){
if(len == k) ans = min(ans, cc);
if(len >= k) return;
if(all[k-len]) ans = min(ans,all[k-len]+cc);
if(!sub[len]) sub[len] = cc;
sub[len] = min(sub[len],cc);
for(auto e:g[node]){
int x = e.first;
if(!cen[x] && x != par)
dfs2(x,node,cc+1,len + e.second);
}
}
void dcmp(int node,int par){
tot = 0;
dfs(node,par);
int c = centroid(node,par);
all.clear();
for(auto e :g[c]){
int x = e.first;
if(cen[x])continue;
sub.clear();
dfs2(x,c,1,e.second);
for(auto u:sub)
all[u.first] = all[u.first] == 0 ? u.second : min(all[u.first],u.second);
}
for(auto e:g[c]){
int x = e.first;
if(!cen[x]) dcmp(x,c);
}
}
int best_path(int n,int K,int h[][2] ,int L[]) {
k = K;
g.resize(n);
for(int i = 0 ;i<n-1;i++){
int u = h[i][0], v = h[i][1];
g[u].add(mp(v,L[i]));g[v].add(mp(u,L[i]));
}
memset(cen,0,sizeof(cen));
ans = inf;
dcmp(0,-1);
ans = ans == inf ? -1: ans;
return ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
2304 KB |
Output is correct |
| 2 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 3 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 4 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 5 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 6 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 7 |
Correct |
4 ms |
2304 KB |
Output is correct |
| 8 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 9 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 10 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 11 |
Correct |
3 ms |
2276 KB |
Output is correct |
| 12 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 13 |
Correct |
4 ms |
2276 KB |
Output is correct |
| 14 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 15 |
Correct |
4 ms |
2304 KB |
Output is correct |
| 16 |
Correct |
4 ms |
2304 KB |
Output is correct |
| 17 |
Correct |
5 ms |
2304 KB |
Output is correct |
| 18 |
Correct |
4 ms |
2304 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
2304 KB |
Output is correct |
| 2 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 3 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 4 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 5 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 6 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 7 |
Correct |
4 ms |
2304 KB |
Output is correct |
| 8 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 9 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 10 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 11 |
Correct |
3 ms |
2276 KB |
Output is correct |
| 12 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 13 |
Correct |
4 ms |
2276 KB |
Output is correct |
| 14 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 15 |
Correct |
4 ms |
2304 KB |
Output is correct |
| 16 |
Correct |
4 ms |
2304 KB |
Output is correct |
| 17 |
Correct |
5 ms |
2304 KB |
Output is correct |
| 18 |
Correct |
4 ms |
2304 KB |
Output is correct |
| 19 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 20 |
Correct |
5 ms |
2304 KB |
Output is correct |
| 21 |
Correct |
5 ms |
2432 KB |
Output is correct |
| 22 |
Correct |
4 ms |
2432 KB |
Output is correct |
| 23 |
Correct |
5 ms |
2432 KB |
Output is correct |
| 24 |
Correct |
6 ms |
2432 KB |
Output is correct |
| 25 |
Correct |
6 ms |
2432 KB |
Output is correct |
| 26 |
Correct |
5 ms |
2432 KB |
Output is correct |
| 27 |
Correct |
5 ms |
2304 KB |
Output is correct |
| 28 |
Correct |
5 ms |
2432 KB |
Output is correct |
| 29 |
Correct |
6 ms |
2432 KB |
Output is correct |
| 30 |
Correct |
6 ms |
2432 KB |
Output is correct |
| 31 |
Correct |
7 ms |
2432 KB |
Output is correct |
| 32 |
Correct |
6 ms |
2432 KB |
Output is correct |
| 33 |
Correct |
7 ms |
2432 KB |
Output is correct |
| 34 |
Correct |
5 ms |
2304 KB |
Output is correct |
| 35 |
Correct |
5 ms |
2432 KB |
Output is correct |
| 36 |
Correct |
5 ms |
2432 KB |
Output is correct |
| 37 |
Correct |
6 ms |
2432 KB |
Output is correct |
| 38 |
Correct |
8 ms |
2432 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
2304 KB |
Output is correct |
| 2 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 3 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 4 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 5 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 6 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 7 |
Correct |
4 ms |
2304 KB |
Output is correct |
| 8 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 9 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 10 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 11 |
Correct |
3 ms |
2276 KB |
Output is correct |
| 12 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 13 |
Correct |
4 ms |
2276 KB |
Output is correct |
| 14 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 15 |
Correct |
4 ms |
2304 KB |
Output is correct |
| 16 |
Correct |
4 ms |
2304 KB |
Output is correct |
| 17 |
Correct |
5 ms |
2304 KB |
Output is correct |
| 18 |
Correct |
4 ms |
2304 KB |
Output is correct |
| 19 |
Correct |
248 ms |
9996 KB |
Output is correct |
| 20 |
Correct |
274 ms |
11284 KB |
Output is correct |
| 21 |
Correct |
277 ms |
11256 KB |
Output is correct |
| 22 |
Correct |
308 ms |
11256 KB |
Output is correct |
| 23 |
Correct |
154 ms |
11512 KB |
Output is correct |
| 24 |
Correct |
107 ms |
11384 KB |
Output is correct |
| 25 |
Correct |
275 ms |
14024 KB |
Output is correct |
| 26 |
Correct |
179 ms |
17016 KB |
Output is correct |
| 27 |
Correct |
314 ms |
20600 KB |
Output is correct |
| 28 |
Correct |
556 ms |
31992 KB |
Output is correct |
| 29 |
Correct |
602 ms |
31128 KB |
Output is correct |
| 30 |
Correct |
413 ms |
20472 KB |
Output is correct |
| 31 |
Correct |
355 ms |
20604 KB |
Output is correct |
| 32 |
Correct |
345 ms |
20728 KB |
Output is correct |
| 33 |
Correct |
624 ms |
19420 KB |
Output is correct |
| 34 |
Correct |
330 ms |
20300 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
2304 KB |
Output is correct |
| 2 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 3 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 4 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 5 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 6 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 7 |
Correct |
4 ms |
2304 KB |
Output is correct |
| 8 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 9 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 10 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 11 |
Correct |
3 ms |
2276 KB |
Output is correct |
| 12 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 13 |
Correct |
4 ms |
2276 KB |
Output is correct |
| 14 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 15 |
Correct |
4 ms |
2304 KB |
Output is correct |
| 16 |
Correct |
4 ms |
2304 KB |
Output is correct |
| 17 |
Correct |
5 ms |
2304 KB |
Output is correct |
| 18 |
Correct |
4 ms |
2304 KB |
Output is correct |
| 19 |
Correct |
3 ms |
2304 KB |
Output is correct |
| 20 |
Correct |
5 ms |
2304 KB |
Output is correct |
| 21 |
Correct |
5 ms |
2432 KB |
Output is correct |
| 22 |
Correct |
4 ms |
2432 KB |
Output is correct |
| 23 |
Correct |
5 ms |
2432 KB |
Output is correct |
| 24 |
Correct |
6 ms |
2432 KB |
Output is correct |
| 25 |
Correct |
6 ms |
2432 KB |
Output is correct |
| 26 |
Correct |
5 ms |
2432 KB |
Output is correct |
| 27 |
Correct |
5 ms |
2304 KB |
Output is correct |
| 28 |
Correct |
5 ms |
2432 KB |
Output is correct |
| 29 |
Correct |
6 ms |
2432 KB |
Output is correct |
| 30 |
Correct |
6 ms |
2432 KB |
Output is correct |
| 31 |
Correct |
7 ms |
2432 KB |
Output is correct |
| 32 |
Correct |
6 ms |
2432 KB |
Output is correct |
| 33 |
Correct |
7 ms |
2432 KB |
Output is correct |
| 34 |
Correct |
5 ms |
2304 KB |
Output is correct |
| 35 |
Correct |
5 ms |
2432 KB |
Output is correct |
| 36 |
Correct |
5 ms |
2432 KB |
Output is correct |
| 37 |
Correct |
6 ms |
2432 KB |
Output is correct |
| 38 |
Correct |
8 ms |
2432 KB |
Output is correct |
| 39 |
Correct |
248 ms |
9996 KB |
Output is correct |
| 40 |
Correct |
274 ms |
11284 KB |
Output is correct |
| 41 |
Correct |
277 ms |
11256 KB |
Output is correct |
| 42 |
Correct |
308 ms |
11256 KB |
Output is correct |
| 43 |
Correct |
154 ms |
11512 KB |
Output is correct |
| 44 |
Correct |
107 ms |
11384 KB |
Output is correct |
| 45 |
Correct |
275 ms |
14024 KB |
Output is correct |
| 46 |
Correct |
179 ms |
17016 KB |
Output is correct |
| 47 |
Correct |
314 ms |
20600 KB |
Output is correct |
| 48 |
Correct |
556 ms |
31992 KB |
Output is correct |
| 49 |
Correct |
602 ms |
31128 KB |
Output is correct |
| 50 |
Correct |
413 ms |
20472 KB |
Output is correct |
| 51 |
Correct |
355 ms |
20604 KB |
Output is correct |
| 52 |
Correct |
345 ms |
20728 KB |
Output is correct |
| 53 |
Correct |
624 ms |
19420 KB |
Output is correct |
| 54 |
Correct |
330 ms |
20300 KB |
Output is correct |
| 55 |
Correct |
54 ms |
3512 KB |
Output is correct |
| 56 |
Correct |
20 ms |
3200 KB |
Output is correct |
| 57 |
Correct |
200 ms |
11512 KB |
Output is correct |
| 58 |
Correct |
62 ms |
11116 KB |
Output is correct |
| 59 |
Execution timed out |
3013 ms |
25092 KB |
Time limit exceeded |
| 60 |
Halted |
0 ms |
0 KB |
- |
