oj.uz

Submission #28842

# Submission time Handle Problem Language Result Execution time Memory
28842 2017-07-17T10:13:33 Z inqr Race (IOI11_race) C++14
21 / 100
 3000 ms 10888 KB 
#include "race.h"
#include <bits/stdc++.h>
using namespace std;
int dfsv[200005];
int ans=INT_MAX;
int vern;
vector < pair < int , int > > e[200005];
void dfs(int vernow,int roa,int len,int tarlen){
	dfsv[vernow]=1;
	if(len==tarlen){ans=min(ans,roa);return;}
	if(len>tarlen)return;
	for(int i=0;i<e[vernow].size();i++){
		if(dfsv[e[vernow][i].first]==0){
			dfs(e[vernow][i].first,roa+1,len+e[vernow][i].second,tarlen);
		}
	}
	return;
}
int best_path(int N, int K, int H[][2], int L[])
{
	vern=N;
  	for(int i=0;i<N-1;i++){
  		e[H[i][0]].push_back(make_pair(H[i][1],L[i]));
  		e[H[i][1]].push_back(make_pair(H[i][0],L[i]));
  	}
  	for(int i=0;i<N;i++){
  		memset(dfsv,0,sizeof(dfsv));
  		dfs(i,0,0,K);
  	}
  	return ans==INT_MAX ? -1 : ans ;
}

Compilation message

race.cpp: In function 'void dfs(int, int, int, int)':
race.cpp:12:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<e[vernow].size();i++){
              ~^~~~~~~~~~~~~~~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 5880 KB Output is correct
2 Correct 11 ms 5984 KB Output is correct
3 Correct 10 ms 5984 KB Output is correct
4 Correct 11 ms 5984 KB Output is correct
5 Correct 11 ms 5984 KB Output is correct
6 Correct 12 ms 5984 KB Output is correct
7 Correct 12 ms 6012 KB Output is correct
8 Correct 11 ms 6060 KB Output is correct
9 Correct 10 ms 6060 KB Output is correct
10 Correct 11 ms 6060 KB Output is correct
11 Correct 11 ms 6060 KB Output is correct
12 Correct 12 ms 6060 KB Output is correct
13 Correct 11 ms 6060 KB Output is correct
14 Correct 11 ms 6060 KB Output is correct
15 Correct 12 ms 6060 KB Output is correct
16 Correct 11 ms 6060 KB Output is correct
17 Correct 11 ms 6060 KB Output is correct
18 Correct 11 ms 6060 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 5880 KB Output is correct
2 Correct 11 ms 5984 KB Output is correct
3 Correct 10 ms 5984 KB Output is correct
4 Correct 11 ms 5984 KB Output is correct
5 Correct 11 ms 5984 KB Output is correct
6 Correct 12 ms 5984 KB Output is correct
7 Correct 12 ms 6012 KB Output is correct
8 Correct 11 ms 6060 KB Output is correct
9 Correct 10 ms 6060 KB Output is correct
10 Correct 11 ms 6060 KB Output is correct
11 Correct 11 ms 6060 KB Output is correct
12 Correct 12 ms 6060 KB Output is correct
13 Correct 11 ms 6060 KB Output is correct
14 Correct 11 ms 6060 KB Output is correct
15 Correct 12 ms 6060 KB Output is correct
16 Correct 11 ms 6060 KB Output is correct
17 Correct 11 ms 6060 KB Output is correct
18 Correct 11 ms 6060 KB Output is correct
19 Correct 7 ms 6060 KB Output is correct
20 Correct 12 ms 6060 KB Output is correct
21 Correct 67 ms 6112 KB Output is correct
22 Correct 46 ms 6112 KB Output is correct
23 Correct 57 ms 6200 KB Output is correct
24 Correct 52 ms 6200 KB Output is correct
25 Correct 64 ms 6200 KB Output is correct
26 Correct 56 ms 6200 KB Output is correct
27 Correct 53 ms 6200 KB Output is correct
28 Correct 54 ms 6256 KB Output is correct
29 Correct 58 ms 6256 KB Output is correct
30 Correct 60 ms 6256 KB Output is correct
31 Correct 61 ms 6256 KB Output is correct
32 Correct 60 ms 6256 KB Output is correct
33 Correct 57 ms 6256 KB Output is correct
34 Correct 48 ms 6256 KB Output is correct
35 Correct 44 ms 6256 KB Output is correct
36 Correct 46 ms 6256 KB Output is correct
37 Correct 49 ms 6256 KB Output is correct
38 Correct 54 ms 6256 KB Output is correct

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 5880 KB Output is correct
2 Correct 11 ms 5984 KB Output is correct
3 Correct 10 ms 5984 KB Output is correct
4 Correct 11 ms 5984 KB Output is correct
5 Correct 11 ms 5984 KB Output is correct
6 Correct 12 ms 5984 KB Output is correct
7 Correct 12 ms 6012 KB Output is correct
8 Correct 11 ms 6060 KB Output is correct
9 Correct 10 ms 6060 KB Output is correct
10 Correct 11 ms 6060 KB Output is correct
11 Correct 11 ms 6060 KB Output is correct
12 Correct 12 ms 6060 KB Output is correct
13 Correct 11 ms 6060 KB Output is correct
14 Correct 11 ms 6060 KB Output is correct
15 Correct 12 ms 6060 KB Output is correct
16 Correct 11 ms 6060 KB Output is correct
17 Correct 11 ms 6060 KB Output is correct
18 Correct 11 ms 6060 KB Output is correct
19 Execution timed out 3053 ms 10888 KB Time limit exceeded
20 Halted 0 ms 0 KB -

Subtask #4
0 / 57.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 5880 KB Output is correct
2 Correct 11 ms 5984 KB Output is correct
3 Correct 10 ms 5984 KB Output is correct
4 Correct 11 ms 5984 KB Output is correct
5 Correct 11 ms 5984 KB Output is correct
6 Correct 12 ms 5984 KB Output is correct
7 Correct 12 ms 6012 KB Output is correct
8 Correct 11 ms 6060 KB Output is correct
9 Correct 10 ms 6060 KB Output is correct
10 Correct 11 ms 6060 KB Output is correct
11 Correct 11 ms 6060 KB Output is correct
12 Correct 12 ms 6060 KB Output is correct
13 Correct 11 ms 6060 KB Output is correct
14 Correct 11 ms 6060 KB Output is correct
15 Correct 12 ms 6060 KB Output is correct
16 Correct 11 ms 6060 KB Output is correct
17 Correct 11 ms 6060 KB Output is correct
18 Correct 11 ms 6060 KB Output is correct
19 Correct 7 ms 6060 KB Output is correct
20 Correct 12 ms 6060 KB Output is correct
21 Correct 67 ms 6112 KB Output is correct
22 Correct 46 ms 6112 KB Output is correct
23 Correct 57 ms 6200 KB Output is correct
24 Correct 52 ms 6200 KB Output is correct
25 Correct 64 ms 6200 KB Output is correct
26 Correct 56 ms 6200 KB Output is correct
27 Correct 53 ms 6200 KB Output is correct
28 Correct 54 ms 6256 KB Output is correct
29 Correct 58 ms 6256 KB Output is correct
30 Correct 60 ms 6256 KB Output is correct
31 Correct 61 ms 6256 KB Output is correct
32 Correct 60 ms 6256 KB Output is correct
33 Correct 57 ms 6256 KB Output is correct
34 Correct 48 ms 6256 KB Output is correct
35 Correct 44 ms 6256 KB Output is correct
36 Correct 46 ms 6256 KB Output is correct
37 Correct 49 ms 6256 KB Output is correct
38 Correct 54 ms 6256 KB Output is correct
39 Execution timed out 3053 ms 10888 KB Time limit exceeded
40 Halted 0 ms 0 KB -