oj.uz

Submission #709617

# Submission time Handle Problem Language Result Execution time Memory
709617 2023-03-14T02:52:50 Z null_awe Minerals (JOI19_minerals) C++14
90 / 100
 69 ms 3780 KB 
#include <iostream>
#include <vector>
#include <set>
#include <algorithm>
#include <random>
#include "minerals.h"
using namespace std;

vector<bool> on;
int ans;

void solve(vector<int> a, vector<int> b) {
  if (a.size() == 1) {
    Answer(a[0], b[0]);
    return;
  }
  auto rng = default_random_engine{};
  shuffle(a.begin(), a.end(), rng);
  int n = a.size() / 2, m = a.size() - n;
  vector<int> a1(n), a2(m);
  vector<int> b1, b2;
  for (int i = 0; i < n; ++i) a1[i] = a[i];
  for (int i = 0; i < m; ++i) a2[i] = a[i + n];
  vector<int> chg(2);
  for (int i : a1) ++chg[on[i]];
  for (int i : a2) ++chg[1 - on[i]];
  if (chg[0] > chg[1]) swap(n, m), swap(a1, a2), swap(b1, b2);
  for (int i : a1) if (!on[i]) ans = Query(i), on[i] = 1;
  for (int i : a2) if (on[i]) ans = Query(i), on[i] = 0;
  for (int i : b) {
    if (b1.size() == n) {
      b2.push_back(i);
      continue;
    }
    if (b2.size() == m) {
      b1.push_back(i);
      continue;
    }
    int now = Query(i);
    if (now == ans) b1.push_back(i);
    else b2.push_back(i);
    ans = now;
  }
  solve(a1, b1), solve(a2, b2);
}

void Solve(int n) {
  on.resize(2 * n + 1);
  vector<int> a, b;
  int last = 0;
  for (int i = 1; i <= 2 * n; ++i) {
    int now = Query(i);
    if (now > last) a.push_back(i), on[i] = 1;
    else b.push_back(i);
    last = ans = now;
  }
  solve(a, b);
}

Compilation message

minerals.cpp: In function 'void solve(std::vector<int>, std::vector<int>)':
minerals.cpp:31:19: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   31 |     if (b1.size() == n) {
      |         ~~~~~~~~~~^~~~
minerals.cpp:35:19: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   35 |     if (b2.size() == m) {
      |         ~~~~~~~~~~^~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 3 ms 464 KB Output is correct
3 Correct 5 ms 592 KB Output is correct
4 Correct 12 ms 884 KB Output is correct
5 Correct 17 ms 1360 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 3 ms 464 KB Output is correct
7 Correct 5 ms 592 KB Output is correct
8 Correct 12 ms 884 KB Output is correct
9 Correct 17 ms 1360 KB Output is correct
10 Correct 2 ms 336 KB Output is correct
11 Correct 13 ms 1100 KB Output is correct
12 Correct 21 ms 1488 KB Output is correct
13 Correct 17 ms 1424 KB Output is correct
14 Correct 20 ms 1432 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 3 ms 464 KB Output is correct
7 Correct 5 ms 592 KB Output is correct
8 Correct 12 ms 884 KB Output is correct
9 Correct 17 ms 1360 KB Output is correct
10 Correct 2 ms 336 KB Output is correct
11 Correct 13 ms 1100 KB Output is correct
12 Correct 21 ms 1488 KB Output is correct
13 Correct 17 ms 1424 KB Output is correct
14 Correct 20 ms 1432 KB Output is correct
15 Correct 56 ms 3404 KB Output is correct
16 Correct 57 ms 3352 KB Output is correct
17 Correct 48 ms 3404 KB Output is correct
18 Correct 59 ms 3208 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 3 ms 464 KB Output is correct
7 Correct 5 ms 592 KB Output is correct
8 Correct 12 ms 884 KB Output is correct
9 Correct 17 ms 1360 KB Output is correct
10 Correct 2 ms 336 KB Output is correct
11 Correct 13 ms 1100 KB Output is correct
12 Correct 21 ms 1488 KB Output is correct
13 Correct 17 ms 1424 KB Output is correct
14 Correct 20 ms 1432 KB Output is correct
15 Correct 56 ms 3404 KB Output is correct
16 Correct 57 ms 3352 KB Output is correct
17 Correct 48 ms 3404 KB Output is correct
18 Correct 59 ms 3208 KB Output is correct
19 Correct 69 ms 3432 KB Output is correct
20 Correct 55 ms 3476 KB Output is correct
21 Correct 49 ms 3456 KB Output is correct
22 Correct 49 ms 3360 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 3 ms 464 KB Output is correct
7 Correct 5 ms 592 KB Output is correct
8 Correct 12 ms 884 KB Output is correct
9 Correct 17 ms 1360 KB Output is correct
10 Correct 2 ms 336 KB Output is correct
11 Correct 13 ms 1100 KB Output is correct
12 Correct 21 ms 1488 KB Output is correct
13 Correct 17 ms 1424 KB Output is correct
14 Correct 20 ms 1432 KB Output is correct
15 Correct 56 ms 3404 KB Output is correct
16 Correct 57 ms 3352 KB Output is correct
17 Correct 48 ms 3404 KB Output is correct
18 Correct 59 ms 3208 KB Output is correct
19 Correct 69 ms 3432 KB Output is correct
20 Correct 55 ms 3476 KB Output is correct
21 Correct 49 ms 3456 KB Output is correct
22 Correct 49 ms 3360 KB Output is correct
23 Correct 62 ms 3620 KB Output is correct
24 Correct 54 ms 3564 KB Output is correct
25 Correct 61 ms 3588 KB Output is correct
26 Correct 66 ms 3452 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 3 ms 464 KB Output is correct
7 Correct 5 ms 592 KB Output is correct
8 Correct 12 ms 884 KB Output is correct
9 Correct 17 ms 1360 KB Output is correct
10 Correct 2 ms 336 KB Output is correct
11 Correct 13 ms 1100 KB Output is correct
12 Correct 21 ms 1488 KB Output is correct
13 Correct 17 ms 1424 KB Output is correct
14 Correct 20 ms 1432 KB Output is correct
15 Correct 56 ms 3404 KB Output is correct
16 Correct 57 ms 3352 KB Output is correct
17 Correct 48 ms 3404 KB Output is correct
18 Correct 59 ms 3208 KB Output is correct
19 Correct 69 ms 3432 KB Output is correct
20 Correct 55 ms 3476 KB Output is correct
21 Correct 49 ms 3456 KB Output is correct
22 Correct 49 ms 3360 KB Output is correct
23 Correct 62 ms 3620 KB Output is correct
24 Correct 54 ms 3564 KB Output is correct
25 Correct 61 ms 3588 KB Output is correct
26 Correct 66 ms 3452 KB Output is correct
27 Correct 62 ms 3556 KB Output is correct
28 Correct 57 ms 3540 KB Output is correct
29 Correct 51 ms 3644 KB Output is correct
30 Correct 59 ms 3496 KB Output is correct

Subtask #8
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 3 ms 464 KB Output is correct
7 Correct 5 ms 592 KB Output is correct
8 Correct 12 ms 884 KB Output is correct
9 Correct 17 ms 1360 KB Output is correct
10 Correct 2 ms 336 KB Output is correct
11 Correct 13 ms 1100 KB Output is correct
12 Correct 21 ms 1488 KB Output is correct
13 Correct 17 ms 1424 KB Output is correct
14 Correct 20 ms 1432 KB Output is correct
15 Correct 56 ms 3404 KB Output is correct
16 Correct 57 ms 3352 KB Output is correct
17 Correct 48 ms 3404 KB Output is correct
18 Correct 59 ms 3208 KB Output is correct
19 Correct 69 ms 3432 KB Output is correct
20 Correct 55 ms 3476 KB Output is correct
21 Correct 49 ms 3456 KB Output is correct
22 Correct 49 ms 3360 KB Output is correct
23 Correct 62 ms 3620 KB Output is correct
24 Correct 54 ms 3564 KB Output is correct
25 Correct 61 ms 3588 KB Output is correct
26 Correct 66 ms 3452 KB Output is correct
27 Correct 62 ms 3556 KB Output is correct
28 Correct 57 ms 3540 KB Output is correct
29 Correct 51 ms 3644 KB Output is correct
30 Correct 59 ms 3496 KB Output is correct
31 Correct 69 ms 3680 KB Output is correct
32 Correct 60 ms 3608 KB Output is correct
33 Correct 52 ms 3660 KB Output is correct
34 Correct 52 ms 3508 KB Output is correct

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 3 ms 464 KB Output is correct
7 Correct 5 ms 592 KB Output is correct
8 Correct 12 ms 884 KB Output is correct
9 Correct 17 ms 1360 KB Output is correct
10 Correct 2 ms 336 KB Output is correct
11 Correct 13 ms 1100 KB Output is correct
12 Correct 21 ms 1488 KB Output is correct
13 Correct 17 ms 1424 KB Output is correct
14 Correct 20 ms 1432 KB Output is correct
15 Correct 56 ms 3404 KB Output is correct
16 Correct 57 ms 3352 KB Output is correct
17 Correct 48 ms 3404 KB Output is correct
18 Correct 59 ms 3208 KB Output is correct
19 Correct 69 ms 3432 KB Output is correct
20 Correct 55 ms 3476 KB Output is correct
21 Correct 49 ms 3456 KB Output is correct
22 Correct 49 ms 3360 KB Output is correct
23 Correct 62 ms 3620 KB Output is correct
24 Correct 54 ms 3564 KB Output is correct
25 Correct 61 ms 3588 KB Output is correct
26 Correct 66 ms 3452 KB Output is correct
27 Correct 62 ms 3556 KB Output is correct
28 Correct 57 ms 3540 KB Output is correct
29 Correct 51 ms 3644 KB Output is correct
30 Correct 59 ms 3496 KB Output is correct
31 Correct 69 ms 3680 KB Output is correct
32 Correct 60 ms 3608 KB Output is correct
33 Correct 52 ms 3660 KB Output is correct
34 Correct 52 ms 3508 KB Output is correct
35 Incorrect 61 ms 3780 KB Wrong Answer [2]
36 Halted 0 ms 0 KB -