| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1005502 |
2024-06-22T13:58:00 Z |
nikd |
Race (IOI11_race) |
C++17 |
|
3000 ms |
46408 KB |
// https://oj.uz/problem/view/IOI11_race
#include <bits/stdc++.h>
#define ll long long
using namespace std;
vector<vector<pair<int, int>>> adj;
int n, k;
vector<bool> is_rem;
vector<int> sz;
vector<ll> distL; //ll
vector<int> dist;
unordered_map<int, int> buf_k_dist;
unordered_map<int, int> k_dist;
int sol;
void get_sz(int v, int e){
sz[v]=1;
for(auto edge: adj[v]){
int u = edge.first;
if(u==e||is_rem[u]) continue;
get_sz(u, v); sz[v] += sz[u];
}
return;
}
void get_dist(int v, int e){
if(distL[v]<=k){
if(buf_k_dist.count(distL[v])==0) buf_k_dist[distL[v]] = dist[v];
else if(buf_k_dist[distL[v]] > dist[v]) buf_k_dist[distL[v]] = dist[v];
}
for(auto edge: adj[v]){
int u = edge.first;
if(u==e||is_rem[u]) continue;
dist[u]=dist[v]+1;
distL[u]=distL[v]+edge.second;
get_dist(u, v);
}
return;
}
int find_centr(int v, int e, int siz){
for(auto edge: adj[v]){
int u = edge.first;
if(u==e||is_rem[u]) continue;
if(sz[u] > siz/2) return find_centr(u, v, siz);
}
return v;
}
void decompose(int v, int siz){
get_sz(v, v);
int c = find_centr(v, v, siz);
dist[c]=0; distL[c]=0;
k_dist[0]=0;
for(auto edge: adj[c]){
int u = edge.first;
if(is_rem[u]) continue;
dist[u]=1;
distL[u] = edge.second;
get_dist(u, c);
for(auto [key, val] : buf_k_dist){
if(k_dist.count(k-key)!=0){
sol = min(sol, val+ k_dist[k-key]);
}
}
for(auto [key, val] : buf_k_dist){
if(k_dist.count(key)!=0){
k_dist[key] = min(k_dist[key], val);
}
else k_dist[key] = val;
}
buf_k_dist.clear();
}
k_dist.clear();
get_sz(c, c);
is_rem[c]=1;
for(auto edge: adj[c]){
int u = edge.first;
if(is_rem[u]) continue;
decompose(u, sz[u]);
}
}
int best_path(int N, int K, int H[][2], int L[]){
n = N; k = K;
adj.resize(N);
sz.resize(n);
is_rem.resize(n, 0);
distL.resize(n);
dist.resize(n);
sol = INT_MAX;
for(int i = 0; i<n-1; i++){
adj[H[i][0]].push_back({H[i][1], L[i]});
adj[H[i][1]].push_back({H[i][0], L[i]});
}
decompose(0, n);
return (sol==INT_MAX ? -1 : sol);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 2 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 10 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 11 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 12 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 13 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 14 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 15 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 16 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 17 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 18 |
Correct |
0 ms |
2396 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 2 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 10 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 11 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 12 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 13 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 14 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 15 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 16 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 17 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 18 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 19 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 20 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 21 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 22 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 23 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 24 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 25 |
Correct |
2 ms |
2396 KB |
Output is correct |
| 26 |
Correct |
1 ms |
2492 KB |
Output is correct |
| 27 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 28 |
Correct |
1 ms |
2648 KB |
Output is correct |
| 29 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 30 |
Correct |
2 ms |
2636 KB |
Output is correct |
| 31 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 32 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 33 |
Correct |
1 ms |
2500 KB |
Output is correct |
| 34 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 35 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 36 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 37 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 38 |
Correct |
1 ms |
2396 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 2 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 10 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 11 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 12 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 13 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 14 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 15 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 16 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 17 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 18 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 19 |
Correct |
136 ms |
12380 KB |
Output is correct |
| 20 |
Correct |
129 ms |
13136 KB |
Output is correct |
| 21 |
Correct |
128 ms |
12880 KB |
Output is correct |
| 22 |
Correct |
106 ms |
13732 KB |
Output is correct |
| 23 |
Correct |
90 ms |
13744 KB |
Output is correct |
| 24 |
Correct |
53 ms |
13656 KB |
Output is correct |
| 25 |
Correct |
130 ms |
17660 KB |
Output is correct |
| 26 |
Correct |
73 ms |
18772 KB |
Output is correct |
| 27 |
Correct |
137 ms |
21588 KB |
Output is correct |
| 28 |
Correct |
253 ms |
32852 KB |
Output is correct |
| 29 |
Correct |
263 ms |
32336 KB |
Output is correct |
| 30 |
Correct |
143 ms |
22100 KB |
Output is correct |
| 31 |
Correct |
138 ms |
22260 KB |
Output is correct |
| 32 |
Correct |
176 ms |
22096 KB |
Output is correct |
| 33 |
Correct |
244 ms |
21144 KB |
Output is correct |
| 34 |
Correct |
179 ms |
21328 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 2 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 10 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 11 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 12 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 13 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 14 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 15 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 16 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 17 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 18 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 19 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 20 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 21 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 22 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 23 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 24 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 25 |
Correct |
2 ms |
2396 KB |
Output is correct |
| 26 |
Correct |
1 ms |
2492 KB |
Output is correct |
| 27 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 28 |
Correct |
1 ms |
2648 KB |
Output is correct |
| 29 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 30 |
Correct |
2 ms |
2636 KB |
Output is correct |
| 31 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 32 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 33 |
Correct |
1 ms |
2500 KB |
Output is correct |
| 34 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 35 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 36 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 37 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 38 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 39 |
Correct |
136 ms |
12380 KB |
Output is correct |
| 40 |
Correct |
129 ms |
13136 KB |
Output is correct |
| 41 |
Correct |
128 ms |
12880 KB |
Output is correct |
| 42 |
Correct |
106 ms |
13732 KB |
Output is correct |
| 43 |
Correct |
90 ms |
13744 KB |
Output is correct |
| 44 |
Correct |
53 ms |
13656 KB |
Output is correct |
| 45 |
Correct |
130 ms |
17660 KB |
Output is correct |
| 46 |
Correct |
73 ms |
18772 KB |
Output is correct |
| 47 |
Correct |
137 ms |
21588 KB |
Output is correct |
| 48 |
Correct |
253 ms |
32852 KB |
Output is correct |
| 49 |
Correct |
263 ms |
32336 KB |
Output is correct |
| 50 |
Correct |
143 ms |
22100 KB |
Output is correct |
| 51 |
Correct |
138 ms |
22260 KB |
Output is correct |
| 52 |
Correct |
176 ms |
22096 KB |
Output is correct |
| 53 |
Correct |
244 ms |
21144 KB |
Output is correct |
| 54 |
Correct |
179 ms |
21328 KB |
Output is correct |
| 55 |
Correct |
18 ms |
3416 KB |
Output is correct |
| 56 |
Correct |
9 ms |
3160 KB |
Output is correct |
| 57 |
Correct |
75 ms |
12764 KB |
Output is correct |
| 58 |
Correct |
29 ms |
13516 KB |
Output is correct |
| 59 |
Correct |
2756 ms |
24140 KB |
Output is correct |
| 60 |
Execution timed out |
3035 ms |
46408 KB |
Time limit exceeded |
| 61 |
Halted |
0 ms |
0 KB |
- |
