oj.uz

Submission #631707

# Submission time Handle Problem Language Result Execution time Memory
631707 2022-08-18T14:05:21 Z cadmiumsky Minerals (JOI19_minerals) C++14
75 / 100
 39 ms 2652 KB 
#include "minerals.h"
#include <bits/stdc++.h>
#define all(x) (x).begin(),(x).end()

using namespace std;

int getbit(int x, int shift) {
  if(shift < 0) return 1;
  return (x & (1 << shift)) > 0;
}

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
//mt19937 rng(69);

int rnd(int x) { return rng() % x; }

namespace Q {
  int last = 0, curr = 0;
  bool isdiff() {return last != curr; }
  bool query(int x) { last = curr; curr = Query(x); return isdiff(); }
}
using namespace Q;

void Solve(int N) {
  vector<int> in, out;
  vector<int> offset, lim;
  vector<int> order(2 * N);
  iota(all(order), 1);
  random_shuffle(all(order), rnd);
  
  int last = 0, l = 0;
  for(auto x : order) {
    if(query(x))
      in.push_back(x);
    else {
      out.push_back(x);
      lim.push_back(in.size() - l);
      offset.push_back(l);
      //if(in.size() == out.size())
	//l = in.size();
    }
  }
  //cerr << "\\";
  for(int i = 0; i <= 15; i++) {
    for(int j = 0; j < N; j++) {
      if(getbit(j, i) ^ getbit(j, i - 1))
	query(in[j]);
    }
    for(int j = 0; j < N; j++) {
      if(offset[j] + (1 << i) >= lim[j])
	continue;
      if(!query(out[j]))	
	offset[j] += (1 << i);
    }
  }
  for(int i = 0; i < offset.size(); i++) {
    Answer(in[offset[i]], out[i]);
  }
  return;
}
#define count asdhshdjsdfhjdhjgdfjkhld

Compilation message

minerals.cpp: In function 'void Solve(int)':
minerals.cpp:56:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   56 |   for(int i = 0; i < offset.size(); i++) {
      |                  ~~^~~~~~~~~~~~~~~
minerals.cpp:31:7: warning: unused variable 'last' [-Wunused-variable]
   31 |   int last = 0, l = 0;
      |       ^~~~

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 1 ms 336 KB Output is correct
3 Correct 3 ms 464 KB Output is correct
4 Correct 6 ms 720 KB Output is correct
5 Correct 13 ms 1196 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 1 ms 336 KB Output is correct
7 Correct 3 ms 464 KB Output is correct
8 Correct 6 ms 720 KB Output is correct
9 Correct 13 ms 1196 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 7 ms 848 KB Output is correct
12 Correct 13 ms 1160 KB Output is correct
13 Correct 13 ms 1232 KB Output is correct
14 Correct 11 ms 1092 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 1 ms 336 KB Output is correct
7 Correct 3 ms 464 KB Output is correct
8 Correct 6 ms 720 KB Output is correct
9 Correct 13 ms 1196 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 7 ms 848 KB Output is correct
12 Correct 13 ms 1160 KB Output is correct
13 Correct 13 ms 1232 KB Output is correct
14 Correct 11 ms 1092 KB Output is correct
15 Correct 39 ms 2576 KB Output is correct
16 Correct 35 ms 2604 KB Output is correct
17 Correct 33 ms 2616 KB Output is correct
18 Correct 37 ms 2456 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 1 ms 336 KB Output is correct
7 Correct 3 ms 464 KB Output is correct
8 Correct 6 ms 720 KB Output is correct
9 Correct 13 ms 1196 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 7 ms 848 KB Output is correct
12 Correct 13 ms 1160 KB Output is correct
13 Correct 13 ms 1232 KB Output is correct
14 Correct 11 ms 1092 KB Output is correct
15 Correct 39 ms 2576 KB Output is correct
16 Correct 35 ms 2604 KB Output is correct
17 Correct 33 ms 2616 KB Output is correct
18 Correct 37 ms 2456 KB Output is correct
19 Correct 35 ms 2652 KB Output is correct
20 Correct 38 ms 2640 KB Output is correct
21 Correct 38 ms 2576 KB Output is correct
22 Correct 34 ms 2504 KB Output is correct

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 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 1 ms 336 KB Output is correct
7 Correct 3 ms 464 KB Output is correct
8 Correct 6 ms 720 KB Output is correct
9 Correct 13 ms 1196 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 7 ms 848 KB Output is correct
12 Correct 13 ms 1160 KB Output is correct
13 Correct 13 ms 1232 KB Output is correct
14 Correct 11 ms 1092 KB Output is correct
15 Correct 39 ms 2576 KB Output is correct
16 Correct 35 ms 2604 KB Output is correct
17 Correct 33 ms 2616 KB Output is correct
18 Correct 37 ms 2456 KB Output is correct
19 Correct 35 ms 2652 KB Output is correct
20 Correct 38 ms 2640 KB Output is correct
21 Correct 38 ms 2576 KB Output is correct
22 Correct 34 ms 2504 KB Output is correct
23 Incorrect 34 ms 2432 KB Wrong Answer [2]
24 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 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 1 ms 336 KB Output is correct
7 Correct 3 ms 464 KB Output is correct
8 Correct 6 ms 720 KB Output is correct
9 Correct 13 ms 1196 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 7 ms 848 KB Output is correct
12 Correct 13 ms 1160 KB Output is correct
13 Correct 13 ms 1232 KB Output is correct
14 Correct 11 ms 1092 KB Output is correct
15 Correct 39 ms 2576 KB Output is correct
16 Correct 35 ms 2604 KB Output is correct
17 Correct 33 ms 2616 KB Output is correct
18 Correct 37 ms 2456 KB Output is correct
19 Correct 35 ms 2652 KB Output is correct
20 Correct 38 ms 2640 KB Output is correct
21 Correct 38 ms 2576 KB Output is correct
22 Correct 34 ms 2504 KB Output is correct
23 Incorrect 34 ms 2432 KB Wrong Answer [2]
24 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 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 1 ms 336 KB Output is correct
7 Correct 3 ms 464 KB Output is correct
8 Correct 6 ms 720 KB Output is correct
9 Correct 13 ms 1196 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 7 ms 848 KB Output is correct
12 Correct 13 ms 1160 KB Output is correct
13 Correct 13 ms 1232 KB Output is correct
14 Correct 11 ms 1092 KB Output is correct
15 Correct 39 ms 2576 KB Output is correct
16 Correct 35 ms 2604 KB Output is correct
17 Correct 33 ms 2616 KB Output is correct
18 Correct 37 ms 2456 KB Output is correct
19 Correct 35 ms 2652 KB Output is correct
20 Correct 38 ms 2640 KB Output is correct
21 Correct 38 ms 2576 KB Output is correct
22 Correct 34 ms 2504 KB Output is correct
23 Incorrect 34 ms 2432 KB Wrong Answer [2]
24 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 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 1 ms 336 KB Output is correct
7 Correct 3 ms 464 KB Output is correct
8 Correct 6 ms 720 KB Output is correct
9 Correct 13 ms 1196 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 7 ms 848 KB Output is correct
12 Correct 13 ms 1160 KB Output is correct
13 Correct 13 ms 1232 KB Output is correct
14 Correct 11 ms 1092 KB Output is correct
15 Correct 39 ms 2576 KB Output is correct
16 Correct 35 ms 2604 KB Output is correct
17 Correct 33 ms 2616 KB Output is correct
18 Correct 37 ms 2456 KB Output is correct
19 Correct 35 ms 2652 KB Output is correct
20 Correct 38 ms 2640 KB Output is correct
21 Correct 38 ms 2576 KB Output is correct
22 Correct 34 ms 2504 KB Output is correct
23 Incorrect 34 ms 2432 KB Wrong Answer [2]
24 Halted 0 ms 0 KB -