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Submission #434360

# Submission time Handle Problem Language Result Execution time Memory
434360 2021-06-21T04:05:56 Z Apiram Race (IOI11_race) C++14
21 / 100
 3000 ms 11076 KB 
//#include "race.h"
#include<bits/stdc++.h>
using namespace std;
struct point{
  int u,x,y,par;
};
int ans=INT_MAX;

vector<vector<pair<int,int>>>adj(2e5);
void dfs(int j,int score,int level,int par,int K){
  if (score>K)return ;
  if (score==K){
    ans=min(ans,level);
    return ;
  }
  for (auto x:adj[j]){
    if (x.first!=par){
      dfs(x.first,score+x.second,level+1,j,K);
    }
  }
}
int best_path(int N, int K, int H[][2], int L[])
{
  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]});
  }
	for (int i =0;i<N;++i)
  	dfs(i,0,0,-1,K);
 
  if (ans==INT_MAX)return -1;
  return ans;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4940 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Correct 3 ms 4940 KB Output is correct
4 Correct 4 ms 4940 KB Output is correct
5 Correct 4 ms 4940 KB Output is correct
6 Correct 4 ms 5016 KB Output is correct
7 Correct 3 ms 4940 KB Output is correct
8 Correct 4 ms 4940 KB Output is correct
9 Correct 3 ms 5068 KB Output is correct
10 Correct 3 ms 4940 KB Output is correct
11 Correct 4 ms 4940 KB Output is correct
12 Correct 4 ms 4940 KB Output is correct
13 Correct 3 ms 4940 KB Output is correct
14 Correct 4 ms 4940 KB Output is correct
15 Correct 4 ms 4940 KB Output is correct
16 Correct 3 ms 5004 KB Output is correct
17 Correct 4 ms 5008 KB Output is correct
18 Correct 4 ms 5004 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4940 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Correct 3 ms 4940 KB Output is correct
4 Correct 4 ms 4940 KB Output is correct
5 Correct 4 ms 4940 KB Output is correct
6 Correct 4 ms 5016 KB Output is correct
7 Correct 3 ms 4940 KB Output is correct
8 Correct 4 ms 4940 KB Output is correct
9 Correct 3 ms 5068 KB Output is correct
10 Correct 3 ms 4940 KB Output is correct
11 Correct 4 ms 4940 KB Output is correct
12 Correct 4 ms 4940 KB Output is correct
13 Correct 3 ms 4940 KB Output is correct
14 Correct 4 ms 4940 KB Output is correct
15 Correct 4 ms 4940 KB Output is correct
16 Correct 3 ms 5004 KB Output is correct
17 Correct 4 ms 5008 KB Output is correct
18 Correct 4 ms 5004 KB Output is correct
19 Correct 3 ms 4940 KB Output is correct
20 Correct 3 ms 4940 KB Output is correct
21 Correct 19 ms 5072 KB Output is correct
22 Correct 5 ms 5068 KB Output is correct
23 Correct 4 ms 5068 KB Output is correct
24 Correct 4 ms 5024 KB Output is correct
25 Correct 17 ms 5072 KB Output is correct
26 Correct 4 ms 5068 KB Output is correct
27 Correct 4 ms 5068 KB Output is correct
28 Correct 7 ms 5068 KB Output is correct
29 Correct 11 ms 5020 KB Output is correct
30 Correct 12 ms 5076 KB Output is correct
31 Correct 16 ms 5076 KB Output is correct
32 Correct 16 ms 5080 KB Output is correct
33 Correct 16 ms 5020 KB Output is correct
34 Correct 4 ms 5020 KB Output is correct
35 Correct 5 ms 5068 KB Output is correct
36 Correct 5 ms 4940 KB Output is correct
37 Correct 11 ms 5080 KB Output is correct
38 Correct 13 ms 5072 KB Output is correct

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4940 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Correct 3 ms 4940 KB Output is correct
4 Correct 4 ms 4940 KB Output is correct
5 Correct 4 ms 4940 KB Output is correct
6 Correct 4 ms 5016 KB Output is correct
7 Correct 3 ms 4940 KB Output is correct
8 Correct 4 ms 4940 KB Output is correct
9 Correct 3 ms 5068 KB Output is correct
10 Correct 3 ms 4940 KB Output is correct
11 Correct 4 ms 4940 KB Output is correct
12 Correct 4 ms 4940 KB Output is correct
13 Correct 3 ms 4940 KB Output is correct
14 Correct 4 ms 4940 KB Output is correct
15 Correct 4 ms 4940 KB Output is correct
16 Correct 3 ms 5004 KB Output is correct
17 Correct 4 ms 5008 KB Output is correct
18 Correct 4 ms 5004 KB Output is correct
19 Execution timed out 3056 ms 11076 KB Time limit exceeded
20 Halted 0 ms 0 KB -

Subtask #4
0 / 57.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4940 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Correct 3 ms 4940 KB Output is correct
4 Correct 4 ms 4940 KB Output is correct
5 Correct 4 ms 4940 KB Output is correct
6 Correct 4 ms 5016 KB Output is correct
7 Correct 3 ms 4940 KB Output is correct
8 Correct 4 ms 4940 KB Output is correct
9 Correct 3 ms 5068 KB Output is correct
10 Correct 3 ms 4940 KB Output is correct
11 Correct 4 ms 4940 KB Output is correct
12 Correct 4 ms 4940 KB Output is correct
13 Correct 3 ms 4940 KB Output is correct
14 Correct 4 ms 4940 KB Output is correct
15 Correct 4 ms 4940 KB Output is correct
16 Correct 3 ms 5004 KB Output is correct
17 Correct 4 ms 5008 KB Output is correct
18 Correct 4 ms 5004 KB Output is correct
19 Correct 3 ms 4940 KB Output is correct
20 Correct 3 ms 4940 KB Output is correct
21 Correct 19 ms 5072 KB Output is correct
22 Correct 5 ms 5068 KB Output is correct
23 Correct 4 ms 5068 KB Output is correct
24 Correct 4 ms 5024 KB Output is correct
25 Correct 17 ms 5072 KB Output is correct
26 Correct 4 ms 5068 KB Output is correct
27 Correct 4 ms 5068 KB Output is correct
28 Correct 7 ms 5068 KB Output is correct
29 Correct 11 ms 5020 KB Output is correct
30 Correct 12 ms 5076 KB Output is correct
31 Correct 16 ms 5076 KB Output is correct
32 Correct 16 ms 5080 KB Output is correct
33 Correct 16 ms 5020 KB Output is correct
34 Correct 4 ms 5020 KB Output is correct
35 Correct 5 ms 5068 KB Output is correct
36 Correct 5 ms 4940 KB Output is correct
37 Correct 11 ms 5080 KB Output is correct
38 Correct 13 ms 5072 KB Output is correct
39 Execution timed out 3056 ms 11076 KB Time limit exceeded
40 Halted 0 ms 0 KB -