oj.uz

Submission #710005

# Submission time Handle Problem Language Result Execution time Memory
710005 2023-03-15T03:00:07 Z null_awe Minerals (JOI19_minerals) C++14
100 / 100
 46 ms 3848 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;
  }
  int n = a.size() / 2, m = a.size() - n;
  for (int i = 4; i <= a.size(); i *= 2) --n, ++m;
  for (int i = 25; i <= a.size(); i *= 2) --n, ++m;
  if (on[a[0]]) swap(n, m);
  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];
  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) {
    if (a.size() == n) {
      b.push_back(i);
      continue;
    }
    if (b.size() == n) {
      a.push_back(i);
      continue;
    }
    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:18:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |   for (int i = 4; i <= a.size(); i *= 2) --n, ++m;
      |                   ~~^~~~~~~~~~~
minerals.cpp:19:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |   for (int i = 25; i <= a.size(); i *= 2) --n, ++m;
      |                    ~~^~~~~~~~~~~
minerals.cpp:28:19: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   28 |     if (b1.size() == n) {
      |         ~~~~~~~~~~^~~~
minerals.cpp:32:19: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   32 |     if (b2.size() == m) {
      |         ~~~~~~~~~~^~~~
minerals.cpp: In function 'void Solve(int)':
minerals.cpp:49:18: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   49 |     if (a.size() == n) {
      |         ~~~~~~~~~^~~~
minerals.cpp:53:18: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   53 |     if (b.size() == n) {
      |         ~~~~~~~~~^~~~

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 1 ms 208 KB Output is correct
4 Correct 0 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 2 ms 464 KB Output is correct
3 Correct 4 ms 592 KB Output is correct
4 Correct 7 ms 976 KB Output is correct
5 Correct 13 ms 1488 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 1 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 4 ms 592 KB Output is correct
8 Correct 7 ms 976 KB Output is correct
9 Correct 13 ms 1488 KB Output is correct
10 Correct 2 ms 336 KB Output is correct
11 Correct 9 ms 1140 KB Output is correct
12 Correct 14 ms 1540 KB Output is correct
13 Correct 12 ms 1500 KB Output is correct
14 Correct 12 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 1 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 4 ms 592 KB Output is correct
8 Correct 7 ms 976 KB Output is correct
9 Correct 13 ms 1488 KB Output is correct
10 Correct 2 ms 336 KB Output is correct
11 Correct 9 ms 1140 KB Output is correct
12 Correct 14 ms 1540 KB Output is correct
13 Correct 12 ms 1500 KB Output is correct
14 Correct 12 ms 1432 KB Output is correct
15 Correct 37 ms 3372 KB Output is correct
16 Correct 37 ms 3392 KB Output is correct
17 Correct 29 ms 3292 KB Output is correct
18 Correct 29 ms 3276 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 1 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 4 ms 592 KB Output is correct
8 Correct 7 ms 976 KB Output is correct
9 Correct 13 ms 1488 KB Output is correct
10 Correct 2 ms 336 KB Output is correct
11 Correct 9 ms 1140 KB Output is correct
12 Correct 14 ms 1540 KB Output is correct
13 Correct 12 ms 1500 KB Output is correct
14 Correct 12 ms 1432 KB Output is correct
15 Correct 37 ms 3372 KB Output is correct
16 Correct 37 ms 3392 KB Output is correct
17 Correct 29 ms 3292 KB Output is correct
18 Correct 29 ms 3276 KB Output is correct
19 Correct 37 ms 3528 KB Output is correct
20 Correct 39 ms 3476 KB Output is correct
21 Correct 30 ms 3488 KB Output is correct
22 Correct 34 ms 3248 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 1 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 4 ms 592 KB Output is correct
8 Correct 7 ms 976 KB Output is correct
9 Correct 13 ms 1488 KB Output is correct
10 Correct 2 ms 336 KB Output is correct
11 Correct 9 ms 1140 KB Output is correct
12 Correct 14 ms 1540 KB Output is correct
13 Correct 12 ms 1500 KB Output is correct
14 Correct 12 ms 1432 KB Output is correct
15 Correct 37 ms 3372 KB Output is correct
16 Correct 37 ms 3392 KB Output is correct
17 Correct 29 ms 3292 KB Output is correct
18 Correct 29 ms 3276 KB Output is correct
19 Correct 37 ms 3528 KB Output is correct
20 Correct 39 ms 3476 KB Output is correct
21 Correct 30 ms 3488 KB Output is correct
22 Correct 34 ms 3248 KB Output is correct
23 Correct 41 ms 3496 KB Output is correct
24 Correct 46 ms 3528 KB Output is correct
25 Correct 37 ms 3548 KB Output is correct
26 Correct 29 ms 3400 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 1 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 4 ms 592 KB Output is correct
8 Correct 7 ms 976 KB Output is correct
9 Correct 13 ms 1488 KB Output is correct
10 Correct 2 ms 336 KB Output is correct
11 Correct 9 ms 1140 KB Output is correct
12 Correct 14 ms 1540 KB Output is correct
13 Correct 12 ms 1500 KB Output is correct
14 Correct 12 ms 1432 KB Output is correct
15 Correct 37 ms 3372 KB Output is correct
16 Correct 37 ms 3392 KB Output is correct
17 Correct 29 ms 3292 KB Output is correct
18 Correct 29 ms 3276 KB Output is correct
19 Correct 37 ms 3528 KB Output is correct
20 Correct 39 ms 3476 KB Output is correct
21 Correct 30 ms 3488 KB Output is correct
22 Correct 34 ms 3248 KB Output is correct
23 Correct 41 ms 3496 KB Output is correct
24 Correct 46 ms 3528 KB Output is correct
25 Correct 37 ms 3548 KB Output is correct
26 Correct 29 ms 3400 KB Output is correct
27 Correct 40 ms 3548 KB Output is correct
28 Correct 39 ms 3588 KB Output is correct
29 Correct 31 ms 3604 KB Output is correct
30 Correct 36 ms 3408 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 1 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 4 ms 592 KB Output is correct
8 Correct 7 ms 976 KB Output is correct
9 Correct 13 ms 1488 KB Output is correct
10 Correct 2 ms 336 KB Output is correct
11 Correct 9 ms 1140 KB Output is correct
12 Correct 14 ms 1540 KB Output is correct
13 Correct 12 ms 1500 KB Output is correct
14 Correct 12 ms 1432 KB Output is correct
15 Correct 37 ms 3372 KB Output is correct
16 Correct 37 ms 3392 KB Output is correct
17 Correct 29 ms 3292 KB Output is correct
18 Correct 29 ms 3276 KB Output is correct
19 Correct 37 ms 3528 KB Output is correct
20 Correct 39 ms 3476 KB Output is correct
21 Correct 30 ms 3488 KB Output is correct
22 Correct 34 ms 3248 KB Output is correct
23 Correct 41 ms 3496 KB Output is correct
24 Correct 46 ms 3528 KB Output is correct
25 Correct 37 ms 3548 KB Output is correct
26 Correct 29 ms 3400 KB Output is correct
27 Correct 40 ms 3548 KB Output is correct
28 Correct 39 ms 3588 KB Output is correct
29 Correct 31 ms 3604 KB Output is correct
30 Correct 36 ms 3408 KB Output is correct
31 Correct 45 ms 3848 KB Output is correct
32 Correct 42 ms 3644 KB Output is correct
33 Correct 31 ms 3660 KB Output is correct
34 Correct 32 ms 3548 KB Output is correct

Subtask #9
10.0 / 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 1 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 4 ms 592 KB Output is correct
8 Correct 7 ms 976 KB Output is correct
9 Correct 13 ms 1488 KB Output is correct
10 Correct 2 ms 336 KB Output is correct
11 Correct 9 ms 1140 KB Output is correct
12 Correct 14 ms 1540 KB Output is correct
13 Correct 12 ms 1500 KB Output is correct
14 Correct 12 ms 1432 KB Output is correct
15 Correct 37 ms 3372 KB Output is correct
16 Correct 37 ms 3392 KB Output is correct
17 Correct 29 ms 3292 KB Output is correct
18 Correct 29 ms 3276 KB Output is correct
19 Correct 37 ms 3528 KB Output is correct
20 Correct 39 ms 3476 KB Output is correct
21 Correct 30 ms 3488 KB Output is correct
22 Correct 34 ms 3248 KB Output is correct
23 Correct 41 ms 3496 KB Output is correct
24 Correct 46 ms 3528 KB Output is correct
25 Correct 37 ms 3548 KB Output is correct
26 Correct 29 ms 3400 KB Output is correct
27 Correct 40 ms 3548 KB Output is correct
28 Correct 39 ms 3588 KB Output is correct
29 Correct 31 ms 3604 KB Output is correct
30 Correct 36 ms 3408 KB Output is correct
31 Correct 45 ms 3848 KB Output is correct
32 Correct 42 ms 3644 KB Output is correct
33 Correct 31 ms 3660 KB Output is correct
34 Correct 32 ms 3548 KB Output is correct
35 Correct 42 ms 3848 KB Output is correct
36 Correct 42 ms 3708 KB Output is correct
37 Correct 41 ms 3760 KB Output is correct
38 Correct 41 ms 3632 KB Output is correct