oj.uz

Submission #836142

# Submission time Handle Problem Language Result Execution time Memory
836142 2023-08-24T07:56:22 Z unnick Minerals (JOI19_minerals) C++14
40 / 100
 13 ms 1744 KB 
#include "minerals.h"

#include <vector>

using namespace std;

void Solve(int N) {
  vector<int> fst;
  vector<int> snd;
  int prev = 0;
  for (int i = 1; i <= N*2; i++) {
    int tmp = Query(i);
    if (tmp > prev) fst.push_back(i);
    prev = tmp;
  }
  for (int i = 1; i <= N*2; i++) {
    int tmp = Query(i);
    if (tmp < prev) snd.push_back(i);
    prev = tmp;
  }

  int baseline;
  for (int i = 0; i < N; i++) {
    if (i&1) baseline = Query(fst[i]);
  }
  vector<int> ids(N, 0);
  for (int pd = 1; pd < N; pd <<= 1) {
    if (pd > 1) {
      for (int i = 0; i < N; i++) {
        if ((i&pd) ^ ((i<<1)&pd)) baseline = Query(fst[i]);
      }
    }
    for (int i = 0; i < N; i++) {
      int bit = !(Query(snd[i]) - baseline);
      ids[i] += bit * pd;
      Query(snd[i]);
    }
  }
  for (int i = 0; i < N; i++) {
    Answer(fst[ids[i]], snd[i]);
  }
}

Compilation message

minerals.cpp: In function 'void Solve(int)':
minerals.cpp:34:17: warning: 'baseline' may be used uninitialized in this function [-Wmaybe-uninitialized]
   34 |       int bit = !(Query(snd[i]) - baseline);
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~

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 260 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 1 ms 336 KB Output is correct
3 Correct 2 ms 464 KB Output is correct
4 Correct 4 ms 592 KB Output is correct
5 Correct 6 ms 848 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 260 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 2 ms 464 KB Output is correct
8 Correct 4 ms 592 KB Output is correct
9 Correct 6 ms 848 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 4 ms 720 KB Output is correct
12 Correct 7 ms 840 KB Output is correct
13 Correct 5 ms 848 KB Output is correct
14 Correct 5 ms 848 KB Output is correct

Subtask #4
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 260 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 2 ms 464 KB Output is correct
8 Correct 4 ms 592 KB Output is correct
9 Correct 6 ms 848 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 4 ms 720 KB Output is correct
12 Correct 7 ms 840 KB Output is correct
13 Correct 5 ms 848 KB Output is correct
14 Correct 5 ms 848 KB Output is correct
15 Incorrect 13 ms 1744 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -

Subtask #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 260 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 2 ms 464 KB Output is correct
8 Correct 4 ms 592 KB Output is correct
9 Correct 6 ms 848 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 4 ms 720 KB Output is correct
12 Correct 7 ms 840 KB Output is correct
13 Correct 5 ms 848 KB Output is correct
14 Correct 5 ms 848 KB Output is correct
15 Incorrect 13 ms 1744 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -

Subtask #6
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 260 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 2 ms 464 KB Output is correct
8 Correct 4 ms 592 KB Output is correct
9 Correct 6 ms 848 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 4 ms 720 KB Output is correct
12 Correct 7 ms 840 KB Output is correct
13 Correct 5 ms 848 KB Output is correct
14 Correct 5 ms 848 KB Output is correct
15 Incorrect 13 ms 1744 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -

Subtask #7
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 260 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 2 ms 464 KB Output is correct
8 Correct 4 ms 592 KB Output is correct
9 Correct 6 ms 848 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 4 ms 720 KB Output is correct
12 Correct 7 ms 840 KB Output is correct
13 Correct 5 ms 848 KB Output is correct
14 Correct 5 ms 848 KB Output is correct
15 Incorrect 13 ms 1744 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -

Subtask #8
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 260 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 2 ms 464 KB Output is correct
8 Correct 4 ms 592 KB Output is correct
9 Correct 6 ms 848 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 4 ms 720 KB Output is correct
12 Correct 7 ms 840 KB Output is correct
13 Correct 5 ms 848 KB Output is correct
14 Correct 5 ms 848 KB Output is correct
15 Incorrect 13 ms 1744 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -

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 1 ms 260 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 2 ms 464 KB Output is correct
8 Correct 4 ms 592 KB Output is correct
9 Correct 6 ms 848 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 4 ms 720 KB Output is correct
12 Correct 7 ms 840 KB Output is correct
13 Correct 5 ms 848 KB Output is correct
14 Correct 5 ms 848 KB Output is correct
15 Incorrect 13 ms 1744 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -