oj.uz

답안 #588616

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
588616 2022-07-03T17:02:14 Z MilosMilutinovic 열대 식물원 (Tropical Garden) (IOI11_garden) C++14
69 / 100
 5000 ms 77224 KB 
/**
 *    author:  wxhtzdy
 *    created: 03.07.2022 18:28:39
**/
#include "garden.h"
#include "gardenlib.h"
 
#include <bits/stdc++.h>
 
using namespace std;
 
void count_routes(int n, int m, int p, int r[][2], int q, int k[]) {
  vector<vector<pair<int, int>>> e(n);
  for (int i = 0; i < m; i++) {
    if ((int) e[r[i][0]].size() < 2) {
      e[r[i][0]].emplace_back(i, r[i][1]);
    }
    if ((int) e[r[i][1]].size() < 2) {
      e[r[i][1]].emplace_back(i, r[i][0]);
    }
  }
  for (int i = 0; i < n; i++) {
    if ((int) e[i].size() == 1) {
      e[i].push_back(e[i][0]);
    }
    assert((int) e[i].size() == 2);
  }
  vector<vector<int>> g(2 * n);
  function<void(int, int)> Add = [&](int v, int u) {
    g[v].push_back(u);
  };
  for (int i = 0; i < n; i++) {    
    if (e[i][0].first == e[e[i][0].second][0].first) {
      Add(i * 2, e[i][0].second * 2 + 1);
    } else {
      Add(i * 2, e[i][0].second * 2);
    }          
    if (e[i][1].first == e[e[i][1].second][0].first) {
      Add(i * 2 + 1, e[i][1].second * 2 + 1);
    } else {
      Add(i * 2 + 1, e[i][1].second * 2);
    }
  }
  const int L = 32;
  vector<vector<int>> jump(2 * n, vector<int>(L));
  for (int i = 0; i < 2 * n; i++) {
    jump[i][0] = g[i][0];    
  }
  for (int j = 1; j < L; j++) {
    for (int i = 0; i < 2 * n; i++) {
      jump[i][j] = jump[jump[i][j - 1]][j - 1];
    }
  }                     
  for (int i = 0; i < q; i++) {
    int cnt = 0;
    for (int j = 0; j < n; j++) {
      int x = j * 2;
      for (int l = L - 1; l >= 0; l--) {
        if (k[i] >> l & 1) {
          x = jump[x][l];
        }
      }
      if (x == p * 2 || x == 2 * p + 1) {
        cnt += 1;
      }
    }            
    answer(cnt);
  }
}

Subtask #1
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 596 KB Output is correct
2 Correct 2 ms 724 KB Output is correct
3 Correct 1 ms 696 KB Output is correct
4 Correct 1 ms 308 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 2 ms 828 KB Output is correct
7 Correct 1 ms 304 KB Output is correct
8 Correct 1 ms 724 KB Output is correct
9 Correct 3 ms 852 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 596 KB Output is correct
2 Correct 2 ms 724 KB Output is correct
3 Correct 1 ms 696 KB Output is correct
4 Correct 1 ms 308 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 2 ms 828 KB Output is correct
7 Correct 1 ms 304 KB Output is correct
8 Correct 1 ms 724 KB Output is correct
9 Correct 3 ms 852 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 30 ms 11836 KB Output is correct
12 Correct 62 ms 19708 KB Output is correct
13 Correct 205 ms 43976 KB Output is correct
14 Correct 240 ms 69560 KB Output is correct
15 Correct 245 ms 70516 KB Output is correct
16 Correct 173 ms 48052 KB Output is correct
17 Correct 150 ms 40644 KB Output is correct
18 Correct 60 ms 19788 KB Output is correct
19 Correct 229 ms 69756 KB Output is correct
20 Correct 240 ms 70528 KB Output is correct
21 Correct 178 ms 48056 KB Output is correct
22 Correct 140 ms 40648 KB Output is correct
23 Correct 271 ms 77224 KB Output is correct

Subtask #3
0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 596 KB Output is correct
2 Correct 2 ms 724 KB Output is correct
3 Correct 1 ms 696 KB Output is correct
4 Correct 1 ms 308 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 2 ms 828 KB Output is correct
7 Correct 1 ms 304 KB Output is correct
8 Correct 1 ms 724 KB Output is correct
9 Correct 3 ms 852 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 30 ms 11836 KB Output is correct
12 Correct 62 ms 19708 KB Output is correct
13 Correct 205 ms 43976 KB Output is correct
14 Correct 240 ms 69560 KB Output is correct
15 Correct 245 ms 70516 KB Output is correct
16 Correct 173 ms 48052 KB Output is correct
17 Correct 150 ms 40644 KB Output is correct
18 Correct 60 ms 19788 KB Output is correct
19 Correct 229 ms 69756 KB Output is correct
20 Correct 240 ms 70528 KB Output is correct
21 Correct 178 ms 48056 KB Output is correct
22 Correct 140 ms 40648 KB Output is correct
23 Correct 271 ms 77224 KB Output is correct
24 Correct 11 ms 372 KB Output is correct
25 Execution timed out 5083 ms 11860 KB Time limit exceeded
26 Halted 0 ms 0 KB -