| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 96998 |
2019-02-13T08:23:16 Z |
tugushka |
Race (IOI11_race) |
C++14 |
|
2077 ms |
36620 KB |
#include "race.h"
#pragma GCC optimize("O3")
#include <bits/stdc++.h>
#define N 200005
using namespace std;
using pii = pair < int, int >;
map < int, int > x, y;
vector < vector < pair < int, int > > > to;
int n, k, sz[N], res = 1e9;
bool blocked[N];
int get_size(int u, int p){
sz[u] = 1;
for( pii v : to[u] ){
if( blocked[v.first] || v.first == p ) continue;
sz[u] += get_size( v.first, u );
}
return sz[u];
}
int get_center( int u, int p, int comp_size ){
for( pii v : to[u] ){
if( blocked[v.first] || v.first == p ) continue;
if( sz[v.first] > comp_size ) return get_center(v.first, u, comp_size);
}
return u;
}
void dfs(int u, int p, int len, int dis){
if( y.find( len ) == y.end() ) y[len] = dis;
else{
y[len] = min( dis, y[len] );
}
for( pii v : to[u] ){
if( blocked[v.first] || v.first == p ) continue;
dfs( v.first, u, len + v.second, dis + 1 );
}
}
void decomp(int u){
u = get_center(u, -1, get_size(u, -1)/2);
x.clear();
x[0] = 0;
for( pii v : to[u] ){
if( blocked[v.first] ) continue;
y.clear();
dfs( v.first, u, v.second, 1 );
for( pii now : y ){
if( x.find( k-now.first ) != x.end() ){
res = min( res, x[k-now.first] + now.second );
}
}
for( pii now : y ){
if( x.find( now.first ) == x.end() ) x[now.first] = now.second;
else{
x[now.first] = min( x[now.first], now.second );
}
}
}
blocked[u] = 1;
for( pii v : to[u] ){
if( blocked[v.first] ) continue;
decomp( v.first );
}
}
int best_path(int NN, int K, int H[][2], int L[]){
n = NN, k = K;
to.resize(n);
for(int i = 0 ; i < n-1 ; i++){
to[ H[i][0] ].push_back( make_pair( H[i][1], L[i] ) );
to[ H[i][1] ].push_back( make_pair( H[i][0], L[i] ) );
}
decomp( 0 );
return res == 1e9 ? -1 : res;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
384 KB |
Output is correct |
| 2 |
Correct |
2 ms |
384 KB |
Output is correct |
| 3 |
Correct |
3 ms |
384 KB |
Output is correct |
| 4 |
Correct |
2 ms |
384 KB |
Output is correct |
| 5 |
Correct |
3 ms |
384 KB |
Output is correct |
| 6 |
Correct |
2 ms |
384 KB |
Output is correct |
| 7 |
Correct |
3 ms |
384 KB |
Output is correct |
| 8 |
Correct |
3 ms |
384 KB |
Output is correct |
| 9 |
Correct |
3 ms |
384 KB |
Output is correct |
| 10 |
Correct |
2 ms |
384 KB |
Output is correct |
| 11 |
Correct |
3 ms |
384 KB |
Output is correct |
| 12 |
Correct |
2 ms |
384 KB |
Output is correct |
| 13 |
Correct |
2 ms |
384 KB |
Output is correct |
| 14 |
Correct |
2 ms |
384 KB |
Output is correct |
| 15 |
Correct |
2 ms |
384 KB |
Output is correct |
| 16 |
Correct |
3 ms |
304 KB |
Output is correct |
| 17 |
Correct |
2 ms |
384 KB |
Output is correct |
| 18 |
Correct |
2 ms |
384 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
384 KB |
Output is correct |
| 2 |
Correct |
2 ms |
384 KB |
Output is correct |
| 3 |
Correct |
3 ms |
384 KB |
Output is correct |
| 4 |
Correct |
2 ms |
384 KB |
Output is correct |
| 5 |
Correct |
3 ms |
384 KB |
Output is correct |
| 6 |
Correct |
2 ms |
384 KB |
Output is correct |
| 7 |
Correct |
3 ms |
384 KB |
Output is correct |
| 8 |
Correct |
3 ms |
384 KB |
Output is correct |
| 9 |
Correct |
3 ms |
384 KB |
Output is correct |
| 10 |
Correct |
2 ms |
384 KB |
Output is correct |
| 11 |
Correct |
3 ms |
384 KB |
Output is correct |
| 12 |
Correct |
2 ms |
384 KB |
Output is correct |
| 13 |
Correct |
2 ms |
384 KB |
Output is correct |
| 14 |
Correct |
2 ms |
384 KB |
Output is correct |
| 15 |
Correct |
2 ms |
384 KB |
Output is correct |
| 16 |
Correct |
3 ms |
304 KB |
Output is correct |
| 17 |
Correct |
2 ms |
384 KB |
Output is correct |
| 18 |
Correct |
2 ms |
384 KB |
Output is correct |
| 19 |
Correct |
2 ms |
384 KB |
Output is correct |
| 20 |
Correct |
2 ms |
384 KB |
Output is correct |
| 21 |
Correct |
5 ms |
512 KB |
Output is correct |
| 22 |
Correct |
4 ms |
512 KB |
Output is correct |
| 23 |
Correct |
6 ms |
512 KB |
Output is correct |
| 24 |
Correct |
5 ms |
512 KB |
Output is correct |
| 25 |
Correct |
4 ms |
512 KB |
Output is correct |
| 26 |
Correct |
5 ms |
512 KB |
Output is correct |
| 27 |
Correct |
3 ms |
384 KB |
Output is correct |
| 28 |
Correct |
4 ms |
512 KB |
Output is correct |
| 29 |
Correct |
4 ms |
512 KB |
Output is correct |
| 30 |
Correct |
5 ms |
512 KB |
Output is correct |
| 31 |
Correct |
5 ms |
512 KB |
Output is correct |
| 32 |
Correct |
4 ms |
512 KB |
Output is correct |
| 33 |
Correct |
5 ms |
512 KB |
Output is correct |
| 34 |
Correct |
5 ms |
512 KB |
Output is correct |
| 35 |
Correct |
5 ms |
540 KB |
Output is correct |
| 36 |
Correct |
4 ms |
512 KB |
Output is correct |
| 37 |
Correct |
4 ms |
512 KB |
Output is correct |
| 38 |
Correct |
5 ms |
512 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
384 KB |
Output is correct |
| 2 |
Correct |
2 ms |
384 KB |
Output is correct |
| 3 |
Correct |
3 ms |
384 KB |
Output is correct |
| 4 |
Correct |
2 ms |
384 KB |
Output is correct |
| 5 |
Correct |
3 ms |
384 KB |
Output is correct |
| 6 |
Correct |
2 ms |
384 KB |
Output is correct |
| 7 |
Correct |
3 ms |
384 KB |
Output is correct |
| 8 |
Correct |
3 ms |
384 KB |
Output is correct |
| 9 |
Correct |
3 ms |
384 KB |
Output is correct |
| 10 |
Correct |
2 ms |
384 KB |
Output is correct |
| 11 |
Correct |
3 ms |
384 KB |
Output is correct |
| 12 |
Correct |
2 ms |
384 KB |
Output is correct |
| 13 |
Correct |
2 ms |
384 KB |
Output is correct |
| 14 |
Correct |
2 ms |
384 KB |
Output is correct |
| 15 |
Correct |
2 ms |
384 KB |
Output is correct |
| 16 |
Correct |
3 ms |
304 KB |
Output is correct |
| 17 |
Correct |
2 ms |
384 KB |
Output is correct |
| 18 |
Correct |
2 ms |
384 KB |
Output is correct |
| 19 |
Correct |
375 ms |
8024 KB |
Output is correct |
| 20 |
Correct |
407 ms |
8056 KB |
Output is correct |
| 21 |
Correct |
340 ms |
8056 KB |
Output is correct |
| 22 |
Correct |
314 ms |
8104 KB |
Output is correct |
| 23 |
Correct |
496 ms |
8440 KB |
Output is correct |
| 24 |
Correct |
194 ms |
8184 KB |
Output is correct |
| 25 |
Correct |
322 ms |
11896 KB |
Output is correct |
| 26 |
Correct |
106 ms |
11532 KB |
Output is correct |
| 27 |
Correct |
471 ms |
16248 KB |
Output is correct |
| 28 |
Correct |
1893 ms |
36600 KB |
Output is correct |
| 29 |
Correct |
1894 ms |
36520 KB |
Output is correct |
| 30 |
Correct |
464 ms |
16252 KB |
Output is correct |
| 31 |
Correct |
498 ms |
16172 KB |
Output is correct |
| 32 |
Correct |
536 ms |
16136 KB |
Output is correct |
| 33 |
Correct |
956 ms |
14968 KB |
Output is correct |
| 34 |
Correct |
1671 ms |
26488 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
384 KB |
Output is correct |
| 2 |
Correct |
2 ms |
384 KB |
Output is correct |
| 3 |
Correct |
3 ms |
384 KB |
Output is correct |
| 4 |
Correct |
2 ms |
384 KB |
Output is correct |
| 5 |
Correct |
3 ms |
384 KB |
Output is correct |
| 6 |
Correct |
2 ms |
384 KB |
Output is correct |
| 7 |
Correct |
3 ms |
384 KB |
Output is correct |
| 8 |
Correct |
3 ms |
384 KB |
Output is correct |
| 9 |
Correct |
3 ms |
384 KB |
Output is correct |
| 10 |
Correct |
2 ms |
384 KB |
Output is correct |
| 11 |
Correct |
3 ms |
384 KB |
Output is correct |
| 12 |
Correct |
2 ms |
384 KB |
Output is correct |
| 13 |
Correct |
2 ms |
384 KB |
Output is correct |
| 14 |
Correct |
2 ms |
384 KB |
Output is correct |
| 15 |
Correct |
2 ms |
384 KB |
Output is correct |
| 16 |
Correct |
3 ms |
304 KB |
Output is correct |
| 17 |
Correct |
2 ms |
384 KB |
Output is correct |
| 18 |
Correct |
2 ms |
384 KB |
Output is correct |
| 19 |
Correct |
2 ms |
384 KB |
Output is correct |
| 20 |
Correct |
2 ms |
384 KB |
Output is correct |
| 21 |
Correct |
5 ms |
512 KB |
Output is correct |
| 22 |
Correct |
4 ms |
512 KB |
Output is correct |
| 23 |
Correct |
6 ms |
512 KB |
Output is correct |
| 24 |
Correct |
5 ms |
512 KB |
Output is correct |
| 25 |
Correct |
4 ms |
512 KB |
Output is correct |
| 26 |
Correct |
5 ms |
512 KB |
Output is correct |
| 27 |
Correct |
3 ms |
384 KB |
Output is correct |
| 28 |
Correct |
4 ms |
512 KB |
Output is correct |
| 29 |
Correct |
4 ms |
512 KB |
Output is correct |
| 30 |
Correct |
5 ms |
512 KB |
Output is correct |
| 31 |
Correct |
5 ms |
512 KB |
Output is correct |
| 32 |
Correct |
4 ms |
512 KB |
Output is correct |
| 33 |
Correct |
5 ms |
512 KB |
Output is correct |
| 34 |
Correct |
5 ms |
512 KB |
Output is correct |
| 35 |
Correct |
5 ms |
540 KB |
Output is correct |
| 36 |
Correct |
4 ms |
512 KB |
Output is correct |
| 37 |
Correct |
4 ms |
512 KB |
Output is correct |
| 38 |
Correct |
5 ms |
512 KB |
Output is correct |
| 39 |
Correct |
375 ms |
8024 KB |
Output is correct |
| 40 |
Correct |
407 ms |
8056 KB |
Output is correct |
| 41 |
Correct |
340 ms |
8056 KB |
Output is correct |
| 42 |
Correct |
314 ms |
8104 KB |
Output is correct |
| 43 |
Correct |
496 ms |
8440 KB |
Output is correct |
| 44 |
Correct |
194 ms |
8184 KB |
Output is correct |
| 45 |
Correct |
322 ms |
11896 KB |
Output is correct |
| 46 |
Correct |
106 ms |
11532 KB |
Output is correct |
| 47 |
Correct |
471 ms |
16248 KB |
Output is correct |
| 48 |
Correct |
1893 ms |
36600 KB |
Output is correct |
| 49 |
Correct |
1894 ms |
36520 KB |
Output is correct |
| 50 |
Correct |
464 ms |
16252 KB |
Output is correct |
| 51 |
Correct |
498 ms |
16172 KB |
Output is correct |
| 52 |
Correct |
536 ms |
16136 KB |
Output is correct |
| 53 |
Correct |
956 ms |
14968 KB |
Output is correct |
| 54 |
Correct |
1671 ms |
26488 KB |
Output is correct |
| 55 |
Correct |
35 ms |
1536 KB |
Output is correct |
| 56 |
Correct |
23 ms |
1180 KB |
Output is correct |
| 57 |
Correct |
179 ms |
8412 KB |
Output is correct |
| 58 |
Correct |
60 ms |
8300 KB |
Output is correct |
| 59 |
Correct |
526 ms |
17400 KB |
Output is correct |
| 60 |
Correct |
2077 ms |
35864 KB |
Output is correct |
| 61 |
Correct |
605 ms |
17576 KB |
Output is correct |
| 62 |
Correct |
525 ms |
16136 KB |
Output is correct |
| 63 |
Correct |
572 ms |
16092 KB |
Output is correct |
| 64 |
Correct |
1590 ms |
22392 KB |
Output is correct |
| 65 |
Correct |
1469 ms |
25592 KB |
Output is correct |
| 66 |
Correct |
1658 ms |
36620 KB |
Output is correct |
| 67 |
Correct |
242 ms |
16232 KB |
Output is correct |
| 68 |
Correct |
818 ms |
24100 KB |
Output is correct |
| 69 |
Correct |
850 ms |
24412 KB |
Output is correct |
| 70 |
Correct |
819 ms |
22940 KB |
Output is correct |
