| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1064210 |
2024-08-18T10:26:14 Z |
kkkkkkkk |
Race (IOI11_race) |
C++17 |
|
657 ms |
41696 KB |
#include <bits/stdc++.h>
using namespace std;
vector<pair<int,int> > G[200005];
int is_removed[200005], subtree_size[200005];
map<int,int> cekori;
int k;
int rez;
void get_subtree_size(int teme, int parent) {
subtree_size[teme]=1;
for (auto [next, dist]:G[teme]){
if (next==parent||is_removed[next]) continue;
get_subtree_size(next, teme);
subtree_size[teme]+=subtree_size[next];
}
}
int find_centroid(int teme, int parent, int nodes){
for (auto [next, dist]:G[teme]){
if (next==parent||is_removed[next]) continue;
if (subtree_size[next]>=nodes/2)
return find_centroid(next, teme, nodes);
}
return teme;
}
void check(int teme, int parent, int dolz, int depth){
if (dolz>k) return ;
if (cekori.find(k-dolz)!=cekori.end())
rez=min(rez, cekori[k-dolz]+depth);
for (auto [next, dist]:G[teme]){
if (next==parent||is_removed[next]) continue;
check(next, teme, dolz+dist, depth+1);
}
}
void build(int teme, int parent, int dolz, int depth){
if (dolz>k) return ;
if (cekori.find(dolz)==cekori.end())
cekori[dolz]=depth;
else cekori[dolz]=min(cekori[dolz], depth);
for (auto [next, dist]:G[teme]){
if (next==parent||is_removed[next]) continue;
build(next, teme, dolz+dist, depth+1);
}
}
void build_centroid_decomp(int teme) {
get_subtree_size(teme, -1);
int centroid=find_centroid(teme, -1, subtree_size[teme]);
cekori[0]=0;
for (auto [next, dist]:G[centroid]) {
if (is_removed[next]) continue;
check(next, centroid, dist, 1);
build(next, centroid, dist, 1);
}
cekori.clear();
is_removed[centroid]=1;
for (auto [next, dist]:G[centroid]) {
if (is_removed[next]) continue;
build_centroid_decomp(next);
}
}
int best_path(int N, int K, int H[][2], int L[]) {
k=K;
for (int i=0;i<N-1;i++) {
G[H[i][0]].push_back({H[i][1], L[i]});
G[H[i][1]].push_back({H[i][0], L[i]});
}
rez=INT_MAX;
build_centroid_decomp(0);
if (rez==INT_MAX) rez=-1;
return rez;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 2 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 3 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 4 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 5 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 6 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 7 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 8 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 9 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 10 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 11 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 12 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 13 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 14 |
Correct |
2 ms |
5096 KB |
Output is correct |
| 15 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 16 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 17 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 18 |
Correct |
2 ms |
4956 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 2 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 3 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 4 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 5 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 6 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 7 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 8 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 9 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 10 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 11 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 12 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 13 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 14 |
Correct |
2 ms |
5096 KB |
Output is correct |
| 15 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 16 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 17 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 18 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 19 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 20 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 21 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 22 |
Correct |
4 ms |
5212 KB |
Output is correct |
| 23 |
Correct |
3 ms |
5208 KB |
Output is correct |
| 24 |
Correct |
3 ms |
5208 KB |
Output is correct |
| 25 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 26 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 27 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 28 |
Correct |
3 ms |
5244 KB |
Output is correct |
| 29 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 30 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 31 |
Correct |
4 ms |
5212 KB |
Output is correct |
| 32 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 33 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 34 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 35 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 36 |
Correct |
3 ms |
5208 KB |
Output is correct |
| 37 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 38 |
Correct |
3 ms |
5212 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 2 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 3 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 4 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 5 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 6 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 7 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 8 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 9 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 10 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 11 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 12 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 13 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 14 |
Correct |
2 ms |
5096 KB |
Output is correct |
| 15 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 16 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 17 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 18 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 19 |
Correct |
131 ms |
10584 KB |
Output is correct |
| 20 |
Correct |
128 ms |
10584 KB |
Output is correct |
| 21 |
Correct |
143 ms |
10580 KB |
Output is correct |
| 22 |
Correct |
132 ms |
10836 KB |
Output is correct |
| 23 |
Correct |
48 ms |
10836 KB |
Output is correct |
| 24 |
Correct |
48 ms |
12332 KB |
Output is correct |
| 25 |
Correct |
95 ms |
15700 KB |
Output is correct |
| 26 |
Correct |
71 ms |
19280 KB |
Output is correct |
| 27 |
Correct |
127 ms |
19284 KB |
Output is correct |
| 28 |
Correct |
169 ms |
34212 KB |
Output is correct |
| 29 |
Correct |
169 ms |
32660 KB |
Output is correct |
| 30 |
Correct |
129 ms |
19476 KB |
Output is correct |
| 31 |
Correct |
135 ms |
19500 KB |
Output is correct |
| 32 |
Correct |
133 ms |
19536 KB |
Output is correct |
| 33 |
Correct |
171 ms |
18148 KB |
Output is correct |
| 34 |
Correct |
123 ms |
19244 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 2 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 3 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 4 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 5 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 6 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 7 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 8 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 9 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 10 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 11 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 12 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 13 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 14 |
Correct |
2 ms |
5096 KB |
Output is correct |
| 15 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 16 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 17 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 18 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 19 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 20 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 21 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 22 |
Correct |
4 ms |
5212 KB |
Output is correct |
| 23 |
Correct |
3 ms |
5208 KB |
Output is correct |
| 24 |
Correct |
3 ms |
5208 KB |
Output is correct |
| 25 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 26 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 27 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 28 |
Correct |
3 ms |
5244 KB |
Output is correct |
| 29 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 30 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 31 |
Correct |
4 ms |
5212 KB |
Output is correct |
| 32 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 33 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 34 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 35 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 36 |
Correct |
3 ms |
5208 KB |
Output is correct |
| 37 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 38 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 39 |
Correct |
131 ms |
10584 KB |
Output is correct |
| 40 |
Correct |
128 ms |
10584 KB |
Output is correct |
| 41 |
Correct |
143 ms |
10580 KB |
Output is correct |
| 42 |
Correct |
132 ms |
10836 KB |
Output is correct |
| 43 |
Correct |
48 ms |
10836 KB |
Output is correct |
| 44 |
Correct |
48 ms |
12332 KB |
Output is correct |
| 45 |
Correct |
95 ms |
15700 KB |
Output is correct |
| 46 |
Correct |
71 ms |
19280 KB |
Output is correct |
| 47 |
Correct |
127 ms |
19284 KB |
Output is correct |
| 48 |
Correct |
169 ms |
34212 KB |
Output is correct |
| 49 |
Correct |
169 ms |
32660 KB |
Output is correct |
| 50 |
Correct |
129 ms |
19476 KB |
Output is correct |
| 51 |
Correct |
135 ms |
19500 KB |
Output is correct |
| 52 |
Correct |
133 ms |
19536 KB |
Output is correct |
| 53 |
Correct |
171 ms |
18148 KB |
Output is correct |
| 54 |
Correct |
123 ms |
19244 KB |
Output is correct |
| 55 |
Correct |
15 ms |
5976 KB |
Output is correct |
| 56 |
Correct |
11 ms |
5724 KB |
Output is correct |
| 57 |
Correct |
81 ms |
12336 KB |
Output is correct |
| 58 |
Correct |
33 ms |
11976 KB |
Output is correct |
| 59 |
Correct |
212 ms |
22744 KB |
Output is correct |
| 60 |
Correct |
596 ms |
41696 KB |
Output is correct |
| 61 |
Correct |
185 ms |
19776 KB |
Output is correct |
| 62 |
Correct |
191 ms |
19540 KB |
Output is correct |
| 63 |
Correct |
213 ms |
19716 KB |
Output is correct |
| 64 |
Correct |
657 ms |
24288 KB |
Output is correct |
| 65 |
Correct |
122 ms |
20248 KB |
Output is correct |
| 66 |
Correct |
394 ms |
30400 KB |
Output is correct |
| 67 |
Correct |
85 ms |
20168 KB |
Output is correct |
| 68 |
Correct |
262 ms |
23912 KB |
Output is correct |
| 69 |
Correct |
295 ms |
23724 KB |
Output is correct |
| 70 |
Correct |
252 ms |
23124 KB |
Output is correct |
