답안 #618661

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
618661	2022-08-02T06:27:54 Z	Mohammed_Atalah	경주 (Race) (IOI11_race)	C++17	21 / 100	3000 ms	18252 KB

race

#include "race.h"
#include <bits/stdc++.h>

using namespace std;
vector<vector<vector<int>>> edg;
int curr = 0;
int r = 0;
int mn = 1e9;
bool found = 0;
int  k;
vector<int> vis;
void dfs(int idx) {
  if (curr == k) {
    mn = min(r, mn);
    found = 1;
    return;
  }
  for (auto &i : edg[idx]) {
    if (!vis[i[0]]) {
      vis[i[0]] = 1;
      curr += i[1];
      r++;
      dfs(i[0]);
      r--;
      curr -= i[1];
      vis[i[0]] = 0;
    }
  }
}

int best_path(int N, int K, int H[][2], int L[])
{
  k = K;
  edg.resize(N);
  vis.resize(N);
  for (int i = 0 ; i < N - 1; i++) {
    edg[H[i][0]].push_back({H[i][1], L[i]});
    edg[H[i][1]].push_back({H[i][0], L[i]});
  }

  for (int i = 0; i < N; i++) {
    vis[i] = 1;
    dfs(i);
    vis[i] = 0;
  }
  return ((found) ? mn : -1);
}

Subtask #1

9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	308 KB	Output is correct
5	Correct	1 ms	312 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	308 KB	Output is correct
12	Correct	1 ms	304 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	308 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	308 KB	Output is correct

Subtask #2

12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	308 KB	Output is correct
5	Correct	1 ms	312 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	308 KB	Output is correct
12	Correct	1 ms	304 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	308 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	308 KB	Output is correct
19	Correct	1 ms	312 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	21 ms	496 KB	Output is correct
22	Correct	25 ms	500 KB	Output is correct
23	Correct	23 ms	500 KB	Output is correct
24	Correct	24 ms	500 KB	Output is correct
25	Correct	23 ms	496 KB	Output is correct
26	Correct	23 ms	468 KB	Output is correct
27	Correct	25 ms	468 KB	Output is correct
28	Correct	25 ms	496 KB	Output is correct
29	Correct	23 ms	468 KB	Output is correct
30	Correct	25 ms	468 KB	Output is correct
31	Correct	23 ms	448 KB	Output is correct
32	Correct	22 ms	472 KB	Output is correct
33	Correct	23 ms	468 KB	Output is correct
34	Correct	17 ms	484 KB	Output is correct
35	Correct	16 ms	468 KB	Output is correct
36	Correct	14 ms	476 KB	Output is correct
37	Correct	15 ms	476 KB	Output is correct
38	Correct	19 ms	468 KB	Output is correct

Subtask #3

0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	308 KB	Output is correct
5	Correct	1 ms	312 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	308 KB	Output is correct
12	Correct	1 ms	304 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	308 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	308 KB	Output is correct
19	Execution timed out	3068 ms	18252 KB	Time limit exceeded
20	Halted	0 ms	0 KB	-

Subtask #4

0 / 57.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	308 KB	Output is correct
5	Correct	1 ms	312 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	308 KB	Output is correct
12	Correct	1 ms	304 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	308 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	308 KB	Output is correct
19	Correct	1 ms	312 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	21 ms	496 KB	Output is correct
22	Correct	25 ms	500 KB	Output is correct
23	Correct	23 ms	500 KB	Output is correct
24	Correct	24 ms	500 KB	Output is correct
25	Correct	23 ms	496 KB	Output is correct
26	Correct	23 ms	468 KB	Output is correct
27	Correct	25 ms	468 KB	Output is correct
28	Correct	25 ms	496 KB	Output is correct
29	Correct	23 ms	468 KB	Output is correct
30	Correct	25 ms	468 KB	Output is correct
31	Correct	23 ms	448 KB	Output is correct
32	Correct	22 ms	472 KB	Output is correct
33	Correct	23 ms	468 KB	Output is correct
34	Correct	17 ms	484 KB	Output is correct
35	Correct	16 ms	468 KB	Output is correct
36	Correct	14 ms	476 KB	Output is correct
37	Correct	15 ms	476 KB	Output is correct
38	Correct	19 ms	468 KB	Output is correct
39	Execution timed out	3068 ms	18252 KB	Time limit exceeded
40	Halted	0 ms	0 KB	-