oj.uz

답안 #695141

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
695141 2023-02-04T18:38:07 Z NeroZein Jakarta Skyscrapers (APIO15_skyscraper) C++17
10 / 100
 17 ms 32104 KB 
#include <bits/stdc++.h>
#define int long long 
using namespace std; 

const int N = 2003;
const int M = 30004; 

int n, m;
int b[M];
int p[M];
int cost[N][N];

set<int> v[N];

inline void bfs() {
  queue<pair<int, int>> q;
  memset(cost, -1, sizeof cost);
  q.emplace(b[0], 0);
  cost[b[0]][p[0]] = 0; 
  while (!q.empty()) {
    auto src = q.front();
    q.pop();
    if (src.first == b[1]) {
      cout << src.second; 
      exit(0);
    }
    for (auto c : v[src.first]) {
      int l = src.first - c;
      int r = src.first + c;
      if (l >= 0 && cost[l][c] == -1) {
        cost[l][c] = src.second + 1; 
        q.emplace(l, cost[l][c]);
        v[l].insert(c);
      }
      if (r < n && cost[r][c] == -1) {
        cost[r][c] = src.second + 1;
        q.emplace(r, cost[r][c]);
        v[r].insert(c);
      }
    }
  }
}

signed main() {
  cin >> n >> m;
  for (int i = 0; i < m; ++i) {
    cin >> b[i] >> p[i];
    v[b[i]].insert(p[i]);
  }
  bfs();
  cout << -1 << '\n';
  return 0; 
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 31700 KB Output is correct
2 Correct 12 ms 31700 KB Output is correct
3 Correct 12 ms 31780 KB Output is correct
4 Correct 12 ms 31700 KB Output is correct
5 Correct 12 ms 31752 KB Output is correct
6 Correct 13 ms 31700 KB Output is correct
7 Correct 12 ms 31700 KB Output is correct

Subtask #2
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 31692 KB Output is correct
2 Correct 12 ms 31700 KB Output is correct
3 Correct 12 ms 31720 KB Output is correct
4 Correct 13 ms 31700 KB Output is correct
5 Correct 11 ms 31712 KB Output is correct
6 Correct 14 ms 31688 KB Output is correct
7 Correct 12 ms 31700 KB Output is correct
8 Correct 13 ms 31700 KB Output is correct
9 Correct 13 ms 31792 KB Output is correct
10 Correct 13 ms 31760 KB Output is correct
11 Correct 14 ms 31828 KB Output is correct
12 Correct 13 ms 31732 KB Output is correct
13 Correct 15 ms 31764 KB Output is correct
14 Incorrect 16 ms 32084 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #3
0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 31700 KB Output is correct
2 Correct 14 ms 31796 KB Output is correct
3 Correct 13 ms 31820 KB Output is correct
4 Correct 12 ms 31788 KB Output is correct
5 Correct 13 ms 31700 KB Output is correct
6 Correct 12 ms 31700 KB Output is correct
7 Correct 12 ms 31712 KB Output is correct
8 Correct 14 ms 31752 KB Output is correct
9 Correct 12 ms 31700 KB Output is correct
10 Correct 13 ms 31828 KB Output is correct
11 Correct 14 ms 31828 KB Output is correct
12 Correct 14 ms 31732 KB Output is correct
13 Correct 14 ms 31844 KB Output is correct
14 Incorrect 17 ms 32104 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 31700 KB Output is correct
2 Correct 13 ms 31700 KB Output is correct
3 Correct 12 ms 31720 KB Output is correct
4 Correct 12 ms 31700 KB Output is correct
5 Correct 13 ms 31700 KB Output is correct
6 Correct 12 ms 31792 KB Output is correct
7 Correct 12 ms 31728 KB Output is correct
8 Correct 13 ms 31700 KB Output is correct
9 Correct 13 ms 31692 KB Output is correct
10 Correct 13 ms 31844 KB Output is correct
11 Correct 14 ms 31828 KB Output is correct
12 Correct 14 ms 31852 KB Output is correct
13 Correct 16 ms 31804 KB Output is correct
14 Incorrect 16 ms 32084 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 31684 KB Output is correct
2 Correct 13 ms 31772 KB Output is correct
3 Correct 12 ms 31700 KB Output is correct
4 Correct 12 ms 31700 KB Output is correct
5 Correct 12 ms 31700 KB Output is correct
6 Correct 13 ms 31700 KB Output is correct
7 Correct 12 ms 31804 KB Output is correct
8 Correct 13 ms 31700 KB Output is correct
9 Correct 12 ms 31780 KB Output is correct
10 Correct 13 ms 31836 KB Output is correct
11 Correct 14 ms 31844 KB Output is correct
12 Correct 13 ms 31828 KB Output is correct
13 Correct 15 ms 31828 KB Output is correct
14 Incorrect 16 ms 32104 KB Output isn't correct
15 Halted 0 ms 0 KB -