| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 162557 |
2019-11-08T19:06:41 Z |
kostia244 |
Race (IOI11_race) |
C++14 |
|
2458 ms |
73196 KB |
#define _GLIBCXX_DEBUG
#include "race.h"
#include<bits/stdc++.h>
#define pb push_back
#define all(x) x.begin(), x.end()
using namespace std;
using vi = vector<int>;
using vvi = vector<vi>;
using pi = pair<int, int>;
int table[1000100];
vi used;
int get(int x) {
if(x<0||x>1000100) return table[1000091];
return table[x];
}
void mset(int x, int y) {
if(x<0||x>1000100) return;
table[x] = min(table[x], y);
used.pb(x);
}
void clear() {
for(auto i : used)
table[i] = table[1000091];
table[0] = 0;
used.clear();
}
int n, k, ans = 10000001;
vector<vector<pi>> g;
vi sz, maxch, comp;
bitset<300300> is_centroid;
void sizes(int v, int p) {
sz[v]=1, maxch[v]=0;
comp.pb(v);
for(auto ii : g[v]) {
int i = ii.first;
if(!is_centroid.test(i)&&i!=p)
sizes(i, v), sz[v] += sz[i], maxch[v] = max(maxch[v], sz[i]);
}
}
void dfsg(int v, int p, int d = 0, int vl = 0) {
if(vl>k) return;
ans = min(ans, d+get(k-vl));
for(auto ii : g[v]) {
int i = ii.first, c = ii.second;
if(is_centroid.test(i)||i==p) continue;
dfsg(i, v, d+1, vl+c);
}
}
void dfss(int v, int p, int d = 0, int vl = 0) {
if(vl>k) return;
mset(vl, d);
for(auto ii : g[v]) {
int i = ii.first, c = ii.second;
if(is_centroid.test(i)||i==p) continue;
dfss(i, v, d+1, vl+c);
}
}
void decompose(int v) {
comp.clear();
sizes(v, v);
int c = comp[0];
for(auto i : comp) {
maxch[i] = max(maxch[i], (int)comp.size()-sz[i]);
if(maxch[i]<maxch[c])c=i;
}
for(auto ii : g[c]) {
int i = ii.first, cst = ii.second;
if(is_centroid.test(i)) continue;
dfsg(i, c, 1, cst);
dfss(i, c, 1, cst);
}
clear();
is_centroid.set(c);
for(auto ii : g[c]) {
int i = ii.first;
if(!is_centroid.test(i))
decompose(i);
}
}
int best_path(int N, int K, int H[][2], int L[])
{
memset(table, 0x3f, sizeof table), table[0] = 0;
n=N,k=K;
g.resize(n);
sz.resize(n);
maxch.resize(n);
for(int i = 0; i+1 < n; i++) {
g[H[i][0]].pb({H[i][1], L[i]});
g[H[i][1]].pb({H[i][0], L[i]});
}
decompose(0);
if(ans>n)ans=-1;
return ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
4344 KB |
Output is correct |
| 2 |
Correct |
6 ms |
4216 KB |
Output is correct |
| 3 |
Correct |
5 ms |
4344 KB |
Output is correct |
| 4 |
Correct |
5 ms |
4216 KB |
Output is correct |
| 5 |
Correct |
6 ms |
4344 KB |
Output is correct |
| 6 |
Correct |
5 ms |
4216 KB |
Output is correct |
| 7 |
Correct |
5 ms |
4344 KB |
Output is correct |
| 8 |
Correct |
5 ms |
4344 KB |
Output is correct |
| 9 |
Correct |
6 ms |
4344 KB |
Output is correct |
| 10 |
Correct |
6 ms |
4344 KB |
Output is correct |
| 11 |
Correct |
5 ms |
4344 KB |
Output is correct |
| 12 |
Correct |
6 ms |
4236 KB |
Output is correct |
| 13 |
Correct |
5 ms |
4216 KB |
Output is correct |
| 14 |
Correct |
5 ms |
4344 KB |
Output is correct |
| 15 |
Correct |
6 ms |
4348 KB |
Output is correct |
| 16 |
Correct |
5 ms |
4216 KB |
Output is correct |
| 17 |
Correct |
6 ms |
4348 KB |
Output is correct |
| 18 |
Correct |
6 ms |
4216 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
4344 KB |
Output is correct |
| 2 |
Correct |
6 ms |
4216 KB |
Output is correct |
| 3 |
Correct |
5 ms |
4344 KB |
Output is correct |
| 4 |
Correct |
5 ms |
4216 KB |
Output is correct |
| 5 |
Correct |
6 ms |
4344 KB |
Output is correct |
| 6 |
Correct |
5 ms |
4216 KB |
Output is correct |
| 7 |
Correct |
5 ms |
4344 KB |
Output is correct |
| 8 |
Correct |
5 ms |
4344 KB |
Output is correct |
| 9 |
Correct |
6 ms |
4344 KB |
Output is correct |
| 10 |
Correct |
6 ms |
4344 KB |
Output is correct |
| 11 |
Correct |
5 ms |
4344 KB |
Output is correct |
| 12 |
Correct |
6 ms |
4236 KB |
Output is correct |
| 13 |
Correct |
5 ms |
4216 KB |
Output is correct |
| 14 |
Correct |
5 ms |
4344 KB |
Output is correct |
| 15 |
Correct |
6 ms |
4348 KB |
Output is correct |
| 16 |
Correct |
5 ms |
4216 KB |
Output is correct |
| 17 |
Correct |
6 ms |
4348 KB |
Output is correct |
| 18 |
Correct |
6 ms |
4216 KB |
Output is correct |
| 19 |
Correct |
5 ms |
4216 KB |
Output is correct |
| 20 |
Correct |
5 ms |
4216 KB |
Output is correct |
| 21 |
Correct |
8 ms |
4344 KB |
Output is correct |
| 22 |
Correct |
8 ms |
4472 KB |
Output is correct |
| 23 |
Correct |
8 ms |
4348 KB |
Output is correct |
| 24 |
Correct |
7 ms |
4344 KB |
Output is correct |
| 25 |
Correct |
8 ms |
4344 KB |
Output is correct |
| 26 |
Correct |
8 ms |
4344 KB |
Output is correct |
| 27 |
Correct |
7 ms |
4344 KB |
Output is correct |
| 28 |
Correct |
8 ms |
4344 KB |
Output is correct |
| 29 |
Correct |
9 ms |
4344 KB |
Output is correct |
| 30 |
Correct |
8 ms |
4344 KB |
Output is correct |
| 31 |
Correct |
9 ms |
4344 KB |
Output is correct |
| 32 |
Correct |
9 ms |
4344 KB |
Output is correct |
| 33 |
Correct |
9 ms |
4344 KB |
Output is correct |
| 34 |
Correct |
8 ms |
4344 KB |
Output is correct |
| 35 |
Correct |
8 ms |
4472 KB |
Output is correct |
| 36 |
Correct |
9 ms |
4472 KB |
Output is correct |
| 37 |
Correct |
9 ms |
4344 KB |
Output is correct |
| 38 |
Correct |
9 ms |
4344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
4344 KB |
Output is correct |
| 2 |
Correct |
6 ms |
4216 KB |
Output is correct |
| 3 |
Correct |
5 ms |
4344 KB |
Output is correct |
| 4 |
Correct |
5 ms |
4216 KB |
Output is correct |
| 5 |
Correct |
6 ms |
4344 KB |
Output is correct |
| 6 |
Correct |
5 ms |
4216 KB |
Output is correct |
| 7 |
Correct |
5 ms |
4344 KB |
Output is correct |
| 8 |
Correct |
5 ms |
4344 KB |
Output is correct |
| 9 |
Correct |
6 ms |
4344 KB |
Output is correct |
| 10 |
Correct |
6 ms |
4344 KB |
Output is correct |
| 11 |
Correct |
5 ms |
4344 KB |
Output is correct |
| 12 |
Correct |
6 ms |
4236 KB |
Output is correct |
| 13 |
Correct |
5 ms |
4216 KB |
Output is correct |
| 14 |
Correct |
5 ms |
4344 KB |
Output is correct |
| 15 |
Correct |
6 ms |
4348 KB |
Output is correct |
| 16 |
Correct |
5 ms |
4216 KB |
Output is correct |
| 17 |
Correct |
6 ms |
4348 KB |
Output is correct |
| 18 |
Correct |
6 ms |
4216 KB |
Output is correct |
| 19 |
Correct |
557 ms |
16616 KB |
Output is correct |
| 20 |
Correct |
524 ms |
17400 KB |
Output is correct |
| 21 |
Correct |
605 ms |
17648 KB |
Output is correct |
| 22 |
Correct |
580 ms |
18084 KB |
Output is correct |
| 23 |
Correct |
471 ms |
17772 KB |
Output is correct |
| 24 |
Correct |
299 ms |
17528 KB |
Output is correct |
| 25 |
Correct |
771 ms |
28340 KB |
Output is correct |
| 26 |
Correct |
750 ms |
39284 KB |
Output is correct |
| 27 |
Correct |
638 ms |
30836 KB |
Output is correct |
| 28 |
Correct |
1195 ms |
73196 KB |
Output is correct |
| 29 |
Correct |
1185 ms |
70040 KB |
Output is correct |
| 30 |
Correct |
627 ms |
30836 KB |
Output is correct |
| 31 |
Correct |
659 ms |
30716 KB |
Output is correct |
| 32 |
Correct |
700 ms |
31152 KB |
Output is correct |
| 33 |
Correct |
1238 ms |
30060 KB |
Output is correct |
| 34 |
Correct |
852 ms |
30944 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
4344 KB |
Output is correct |
| 2 |
Correct |
6 ms |
4216 KB |
Output is correct |
| 3 |
Correct |
5 ms |
4344 KB |
Output is correct |
| 4 |
Correct |
5 ms |
4216 KB |
Output is correct |
| 5 |
Correct |
6 ms |
4344 KB |
Output is correct |
| 6 |
Correct |
5 ms |
4216 KB |
Output is correct |
| 7 |
Correct |
5 ms |
4344 KB |
Output is correct |
| 8 |
Correct |
5 ms |
4344 KB |
Output is correct |
| 9 |
Correct |
6 ms |
4344 KB |
Output is correct |
| 10 |
Correct |
6 ms |
4344 KB |
Output is correct |
| 11 |
Correct |
5 ms |
4344 KB |
Output is correct |
| 12 |
Correct |
6 ms |
4236 KB |
Output is correct |
| 13 |
Correct |
5 ms |
4216 KB |
Output is correct |
| 14 |
Correct |
5 ms |
4344 KB |
Output is correct |
| 15 |
Correct |
6 ms |
4348 KB |
Output is correct |
| 16 |
Correct |
5 ms |
4216 KB |
Output is correct |
| 17 |
Correct |
6 ms |
4348 KB |
Output is correct |
| 18 |
Correct |
6 ms |
4216 KB |
Output is correct |
| 19 |
Correct |
5 ms |
4216 KB |
Output is correct |
| 20 |
Correct |
5 ms |
4216 KB |
Output is correct |
| 21 |
Correct |
8 ms |
4344 KB |
Output is correct |
| 22 |
Correct |
8 ms |
4472 KB |
Output is correct |
| 23 |
Correct |
8 ms |
4348 KB |
Output is correct |
| 24 |
Correct |
7 ms |
4344 KB |
Output is correct |
| 25 |
Correct |
8 ms |
4344 KB |
Output is correct |
| 26 |
Correct |
8 ms |
4344 KB |
Output is correct |
| 27 |
Correct |
7 ms |
4344 KB |
Output is correct |
| 28 |
Correct |
8 ms |
4344 KB |
Output is correct |
| 29 |
Correct |
9 ms |
4344 KB |
Output is correct |
| 30 |
Correct |
8 ms |
4344 KB |
Output is correct |
| 31 |
Correct |
9 ms |
4344 KB |
Output is correct |
| 32 |
Correct |
9 ms |
4344 KB |
Output is correct |
| 33 |
Correct |
9 ms |
4344 KB |
Output is correct |
| 34 |
Correct |
8 ms |
4344 KB |
Output is correct |
| 35 |
Correct |
8 ms |
4472 KB |
Output is correct |
| 36 |
Correct |
9 ms |
4472 KB |
Output is correct |
| 37 |
Correct |
9 ms |
4344 KB |
Output is correct |
| 38 |
Correct |
9 ms |
4344 KB |
Output is correct |
| 39 |
Correct |
557 ms |
16616 KB |
Output is correct |
| 40 |
Correct |
524 ms |
17400 KB |
Output is correct |
| 41 |
Correct |
605 ms |
17648 KB |
Output is correct |
| 42 |
Correct |
580 ms |
18084 KB |
Output is correct |
| 43 |
Correct |
471 ms |
17772 KB |
Output is correct |
| 44 |
Correct |
299 ms |
17528 KB |
Output is correct |
| 45 |
Correct |
771 ms |
28340 KB |
Output is correct |
| 46 |
Correct |
750 ms |
39284 KB |
Output is correct |
| 47 |
Correct |
638 ms |
30836 KB |
Output is correct |
| 48 |
Correct |
1195 ms |
73196 KB |
Output is correct |
| 49 |
Correct |
1185 ms |
70040 KB |
Output is correct |
| 50 |
Correct |
627 ms |
30836 KB |
Output is correct |
| 51 |
Correct |
659 ms |
30716 KB |
Output is correct |
| 52 |
Correct |
700 ms |
31152 KB |
Output is correct |
| 53 |
Correct |
1238 ms |
30060 KB |
Output is correct |
| 54 |
Correct |
852 ms |
30944 KB |
Output is correct |
| 55 |
Correct |
45 ms |
5624 KB |
Output is correct |
| 56 |
Correct |
52 ms |
5644 KB |
Output is correct |
| 57 |
Correct |
706 ms |
18100 KB |
Output is correct |
| 58 |
Correct |
138 ms |
18032 KB |
Output is correct |
| 59 |
Correct |
737 ms |
39292 KB |
Output is correct |
| 60 |
Correct |
2458 ms |
72428 KB |
Output is correct |
| 61 |
Correct |
731 ms |
30964 KB |
Output is correct |
| 62 |
Correct |
818 ms |
32056 KB |
Output is correct |
| 63 |
Correct |
933 ms |
32112 KB |
Output is correct |
| 64 |
Correct |
1781 ms |
32344 KB |
Output is correct |
| 65 |
Correct |
760 ms |
31732 KB |
Output is correct |
| 66 |
Correct |
2050 ms |
62800 KB |
Output is correct |
| 67 |
Correct |
423 ms |
32980 KB |
Output is correct |
| 68 |
Correct |
941 ms |
32020 KB |
Output is correct |
| 69 |
Correct |
1048 ms |
32296 KB |
Output is correct |
| 70 |
Correct |
897 ms |
30968 KB |
Output is correct |
