oj.uz

답안 #875652

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
875652 2023-11-20T10:19:27 Z Huseyn123 경주 (Race) (IOI11_race) C++17
100 / 100
 339 ms 94268 KB 
#include "race.h"
#include <bits/stdc++.h> 
#define MAX 200001
#define INF INT_MAX
using namespace std; 
multiset<pair<int,int>> a[MAX];
int k;
vector<int> dist; 
vector<int> dep; 
vector<vector<pair<int,int>>> g;
int res=INF;
void dfs(int v,int prev){
  a[v].insert(make_pair(dist[v],dep[v]));
  for(auto x:g[v]){
    if(x.first==prev){
      continue;
    }
    dist[x.first]=dist[v]+x.second;
    dep[x.first]=dep[v]+1;
    dfs(x.first,v);
    if(a[v].size()<a[x.first].size()){
      swap(a[v],a[x.first]);
    }
    for(auto y:a[x.first]){
      auto it=a[v].lower_bound(make_pair(k+2*dist[v]-y.first,0));
      if(it!=a[v].end() && (*it).first==k+2*dist[v]-y.first){
        res=min(res,(*it).second+y.second-2*dep[v]);
      }
    }
    for(auto y:a[x.first]){
      a[v].insert(y);
    }
  }
}
int best_path(int N, int K, int H[][2], int L[])
{
  k=K;
  g.resize(N+1); 
  dist.resize(N+1,0);
  dep.resize(N+1,0); 
  for(int i=0;i<N-1;i++){
    g[H[i][0]].push_back(make_pair(H[i][1],L[i]));
    g[H[i][1]].push_back(make_pair(H[i][0],L[i]));
  }
  dfs(0,-1);
  if(res==INF){
    res=-1;
  }
  return res;
}
/*
int main(){
    int n,k; 
    cin >> n >> k; 
    int h[n-1][2]; 
    int l[n];
    for(int i=0;i<n-1;i++){
        cin >> h[i][0] >> h[i][1]; 
    }
    for(int i=0;i<n-1;i++){
        cin >> l[i];
    }
    cout << "h" << " " << best_path(n,k,h,l) << "\n";
}
*/

Subtask #1
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 13404 KB Output is correct
2 Correct 3 ms 13404 KB Output is correct
3 Correct 2 ms 13404 KB Output is correct
4 Correct 3 ms 13508 KB Output is correct
5 Correct 3 ms 13404 KB Output is correct
6 Correct 2 ms 13404 KB Output is correct
7 Correct 3 ms 13404 KB Output is correct
8 Correct 3 ms 13404 KB Output is correct
9 Correct 3 ms 13404 KB Output is correct
10 Correct 3 ms 13404 KB Output is correct
11 Correct 2 ms 13404 KB Output is correct
12 Correct 2 ms 13404 KB Output is correct
13 Correct 2 ms 13404 KB Output is correct
14 Correct 2 ms 13508 KB Output is correct
15 Correct 3 ms 13656 KB Output is correct
16 Correct 3 ms 13404 KB Output is correct
17 Correct 2 ms 13404 KB Output is correct
18 Correct 2 ms 13404 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 13404 KB Output is correct
2 Correct 3 ms 13404 KB Output is correct
3 Correct 2 ms 13404 KB Output is correct
4 Correct 3 ms 13508 KB Output is correct
5 Correct 3 ms 13404 KB Output is correct
6 Correct 2 ms 13404 KB Output is correct
7 Correct 3 ms 13404 KB Output is correct
8 Correct 3 ms 13404 KB Output is correct
9 Correct 3 ms 13404 KB Output is correct
10 Correct 3 ms 13404 KB Output is correct
11 Correct 2 ms 13404 KB Output is correct
12 Correct 2 ms 13404 KB Output is correct
13 Correct 2 ms 13404 KB Output is correct
14 Correct 2 ms 13508 KB Output is correct
15 Correct 3 ms 13656 KB Output is correct
16 Correct 3 ms 13404 KB Output is correct
17 Correct 2 ms 13404 KB Output is correct
18 Correct 2 ms 13404 KB Output is correct
19 Correct 3 ms 13404 KB Output is correct
20 Correct 3 ms 13404 KB Output is correct
21 Correct 3 ms 13660 KB Output is correct
22 Correct 3 ms 13744 KB Output is correct
23 Correct 3 ms 13752 KB Output is correct
24 Correct 3 ms 13660 KB Output is correct
25 Correct 3 ms 13660 KB Output is correct
26 Correct 3 ms 13744 KB Output is correct
27 Correct 4 ms 13660 KB Output is correct
28 Correct 3 ms 13920 KB Output is correct
29 Correct 3 ms 13660 KB Output is correct
30 Correct 3 ms 13660 KB Output is correct
31 Correct 3 ms 13660 KB Output is correct
32 Correct 3 ms 13660 KB Output is correct
33 Correct 3 ms 13660 KB Output is correct
34 Correct 3 ms 13656 KB Output is correct
35 Correct 3 ms 13668 KB Output is correct
36 Correct 3 ms 13668 KB Output is correct
37 Correct 3 ms 13672 KB Output is correct
38 Correct 4 ms 13492 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 13404 KB Output is correct
2 Correct 3 ms 13404 KB Output is correct
3 Correct 2 ms 13404 KB Output is correct
4 Correct 3 ms 13508 KB Output is correct
5 Correct 3 ms 13404 KB Output is correct
6 Correct 2 ms 13404 KB Output is correct
7 Correct 3 ms 13404 KB Output is correct
8 Correct 3 ms 13404 KB Output is correct
9 Correct 3 ms 13404 KB Output is correct
10 Correct 3 ms 13404 KB Output is correct
11 Correct 2 ms 13404 KB Output is correct
12 Correct 2 ms 13404 KB Output is correct
13 Correct 2 ms 13404 KB Output is correct
14 Correct 2 ms 13508 KB Output is correct
15 Correct 3 ms 13656 KB Output is correct
16 Correct 3 ms 13404 KB Output is correct
17 Correct 2 ms 13404 KB Output is correct
18 Correct 2 ms 13404 KB Output is correct
19 Correct 158 ms 54368 KB Output is correct
20 Correct 180 ms 53760 KB Output is correct
21 Correct 158 ms 54160 KB Output is correct
22 Correct 165 ms 50256 KB Output is correct
23 Correct 171 ms 62996 KB Output is correct
24 Correct 140 ms 51536 KB Output is correct
25 Correct 91 ms 41496 KB Output is correct
26 Correct 60 ms 45136 KB Output is correct
27 Correct 220 ms 60392 KB Output is correct
28 Correct 194 ms 75044 KB Output is correct
29 Correct 188 ms 73908 KB Output is correct
30 Correct 183 ms 60328 KB Output is correct
31 Correct 188 ms 60312 KB Output is correct
32 Correct 241 ms 60244 KB Output is correct
33 Correct 231 ms 75452 KB Output is correct
34 Correct 239 ms 74796 KB Output is correct

Subtask #4
57.0 / 57.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 13404 KB Output is correct
2 Correct 3 ms 13404 KB Output is correct
3 Correct 2 ms 13404 KB Output is correct
4 Correct 3 ms 13508 KB Output is correct
5 Correct 3 ms 13404 KB Output is correct
6 Correct 2 ms 13404 KB Output is correct
7 Correct 3 ms 13404 KB Output is correct
8 Correct 3 ms 13404 KB Output is correct
9 Correct 3 ms 13404 KB Output is correct
10 Correct 3 ms 13404 KB Output is correct
11 Correct 2 ms 13404 KB Output is correct
12 Correct 2 ms 13404 KB Output is correct
13 Correct 2 ms 13404 KB Output is correct
14 Correct 2 ms 13508 KB Output is correct
15 Correct 3 ms 13656 KB Output is correct
16 Correct 3 ms 13404 KB Output is correct
17 Correct 2 ms 13404 KB Output is correct
18 Correct 2 ms 13404 KB Output is correct
19 Correct 3 ms 13404 KB Output is correct
20 Correct 3 ms 13404 KB Output is correct
21 Correct 3 ms 13660 KB Output is correct
22 Correct 3 ms 13744 KB Output is correct
23 Correct 3 ms 13752 KB Output is correct
24 Correct 3 ms 13660 KB Output is correct
25 Correct 3 ms 13660 KB Output is correct
26 Correct 3 ms 13744 KB Output is correct
27 Correct 4 ms 13660 KB Output is correct
28 Correct 3 ms 13920 KB Output is correct
29 Correct 3 ms 13660 KB Output is correct
30 Correct 3 ms 13660 KB Output is correct
31 Correct 3 ms 13660 KB Output is correct
32 Correct 3 ms 13660 KB Output is correct
33 Correct 3 ms 13660 KB Output is correct
34 Correct 3 ms 13656 KB Output is correct
35 Correct 3 ms 13668 KB Output is correct
36 Correct 3 ms 13668 KB Output is correct
37 Correct 3 ms 13672 KB Output is correct
38 Correct 4 ms 13492 KB Output is correct
39 Correct 158 ms 54368 KB Output is correct
40 Correct 180 ms 53760 KB Output is correct
41 Correct 158 ms 54160 KB Output is correct
42 Correct 165 ms 50256 KB Output is correct
43 Correct 171 ms 62996 KB Output is correct
44 Correct 140 ms 51536 KB Output is correct
45 Correct 91 ms 41496 KB Output is correct
46 Correct 60 ms 45136 KB Output is correct
47 Correct 220 ms 60392 KB Output is correct
48 Correct 194 ms 75044 KB Output is correct
49 Correct 188 ms 73908 KB Output is correct
50 Correct 183 ms 60328 KB Output is correct
51 Correct 188 ms 60312 KB Output is correct
52 Correct 241 ms 60244 KB Output is correct
53 Correct 231 ms 75452 KB Output is correct
54 Correct 239 ms 74796 KB Output is correct
55 Correct 13 ms 16344 KB Output is correct
56 Correct 13 ms 16732 KB Output is correct
57 Correct 155 ms 64592 KB Output is correct
58 Correct 76 ms 33160 KB Output is correct
59 Correct 58 ms 45136 KB Output is correct
60 Correct 186 ms 74068 KB Output is correct
61 Correct 195 ms 60500 KB Output is correct
62 Correct 184 ms 60388 KB Output is correct
63 Correct 231 ms 60240 KB Output is correct
64 Correct 334 ms 94268 KB Output is correct
65 Correct 339 ms 87084 KB Output is correct
66 Correct 208 ms 71320 KB Output is correct
67 Correct 203 ms 51936 KB Output is correct
68 Correct 239 ms 60716 KB Output is correct
69 Correct 269 ms 65356 KB Output is correct
70 Correct 222 ms 58872 KB Output is correct