oj.uz

Submission #137955

# Submission time Handle Problem Language Result Execution time Memory
137955 2019-07-28T15:29:39 Z Bohoty Minerals (JOI19_minerals) C++14
90 / 100
 425 ms 17944 KB 
#include "minerals.h"
//#include "grader.cpp"
#pragma GCC optimize ("O3")
#include<bits/stdc++.h>
using namespace std;
const int mxN = 2e5 + 5;
int inside[mxN], tot;
int get(int x){
  if(inside[x])
  tot--;
  else
  tot++;
  inside[x] ^= 1;
  return tot - Query(x);
}
void goKill(set<int> a, set<int> b, bool aInside, bool bInside){
  // cout << a.size() << '\n';
  if(a.size() == 2){
      int cur = get(*a.begin());
      int cur2 = get(*b.begin());
      if(aInside){
        if(cur == cur2){
          Answer(*a.begin(),*b.begin());
          Answer(*a.rbegin(),*b.rbegin());
        } else {
          Answer(*a.begin(),*b.rbegin());
          Answer(*a.rbegin(),*b.begin());
        }
      }
    else {
      if(cur != cur2){
        Answer(*a.begin(),*b.begin());
        Answer(*a.rbegin(),*b.rbegin());
      } else {
        Answer(*a.begin(),*b.rbegin());
        Answer(*a.rbegin(),*b.begin());
      }
    }
    return;
  }
  if(a.size() == 1){
    Answer(*a.begin(), *b.begin());
    return;
  }
  std::vector<int> o;
  for(auto x : b)o.push_back(x);
  random_shuffle(o.begin(),o.end());
  int sz = a.size();
  set<int> x, y;
  int b4;
  int take = ceil(0.35 * sz);
  if(!aInside)take = sz - take;
  for(int j = 1; j <= ceil(0.35 * sz); j++){
    int v = *a.begin();
    a.erase(v);
    x.insert(v);
    b4 = get(v);
  }
  b.clear();
  for(auto it : o){
    if(x.size() == y.size())b.insert(it);
    else {
    int v = get(it);
    if((!aInside && v != b4)||(aInside && v == b4)){
      y.insert(it);
    } else b.insert(it);
    b4 = v;
    }
  }
  goKill(x,y,aInside^1,bInside^1);
  goKill(a,b,aInside,bInside^1);
}
void Solve(int N) {
  srand(time(0));
  int n = N + N;
  set<int> a, b;
  int b4 = 0;
  for (int i = 1; i <= n; i++) {
    int x = get(i);
    if(x > b4){
      a.insert(i);
    } else {
      b.insert(i);
    }
    b4 = x;
  }
  // cout << a.size() << ' ' << b.size() << '\n';

  goKill(a, b, 1, 1);

}

Compilation message

minerals.cpp: In function 'void goKill(std::set<int>, std::set<int>, bool, bool)':
minerals.cpp:64:29: warning: 'b4' may be used uninitialized in this function [-Wmaybe-uninitialized]
     if((!aInside && v != b4)||(aInside && v == b4)){
        ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 1 ms 248 KB Output is correct
3 Correct 2 ms 248 KB Output is correct
4 Correct 2 ms 376 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 632 KB Output is correct
2 Correct 12 ms 1144 KB Output is correct
3 Correct 25 ms 2008 KB Output is correct
4 Correct 53 ms 3508 KB Output is correct
5 Correct 113 ms 6572 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 1 ms 248 KB Output is correct
3 Correct 2 ms 248 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 6 ms 632 KB Output is correct
6 Correct 12 ms 1144 KB Output is correct
7 Correct 25 ms 2008 KB Output is correct
8 Correct 53 ms 3508 KB Output is correct
9 Correct 113 ms 6572 KB Output is correct
10 Correct 7 ms 760 KB Output is correct
11 Correct 70 ms 4440 KB Output is correct
12 Correct 112 ms 6556 KB Output is correct
13 Correct 108 ms 6476 KB Output is correct
14 Correct 107 ms 6516 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 1 ms 248 KB Output is correct
3 Correct 2 ms 248 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 6 ms 632 KB Output is correct
6 Correct 12 ms 1144 KB Output is correct
7 Correct 25 ms 2008 KB Output is correct
8 Correct 53 ms 3508 KB Output is correct
9 Correct 113 ms 6572 KB Output is correct
10 Correct 7 ms 760 KB Output is correct
11 Correct 70 ms 4440 KB Output is correct
12 Correct 112 ms 6556 KB Output is correct
13 Correct 108 ms 6476 KB Output is correct
14 Correct 107 ms 6516 KB Output is correct
15 Correct 326 ms 16012 KB Output is correct
16 Correct 340 ms 16112 KB Output is correct
17 Correct 321 ms 16068 KB Output is correct
18 Correct 326 ms 15960 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 1 ms 248 KB Output is correct
3 Correct 2 ms 248 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 6 ms 632 KB Output is correct
6 Correct 12 ms 1144 KB Output is correct
7 Correct 25 ms 2008 KB Output is correct
8 Correct 53 ms 3508 KB Output is correct
9 Correct 113 ms 6572 KB Output is correct
10 Correct 7 ms 760 KB Output is correct
11 Correct 70 ms 4440 KB Output is correct
12 Correct 112 ms 6556 KB Output is correct
13 Correct 108 ms 6476 KB Output is correct
14 Correct 107 ms 6516 KB Output is correct
15 Correct 326 ms 16012 KB Output is correct
16 Correct 340 ms 16112 KB Output is correct
17 Correct 321 ms 16068 KB Output is correct
18 Correct 326 ms 15960 KB Output is correct
19 Correct 349 ms 16524 KB Output is correct
20 Correct 343 ms 16492 KB Output is correct
21 Correct 329 ms 16388 KB Output is correct
22 Correct 329 ms 16368 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 1 ms 248 KB Output is correct
3 Correct 2 ms 248 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 6 ms 632 KB Output is correct
6 Correct 12 ms 1144 KB Output is correct
7 Correct 25 ms 2008 KB Output is correct
8 Correct 53 ms 3508 KB Output is correct
9 Correct 113 ms 6572 KB Output is correct
10 Correct 7 ms 760 KB Output is correct
11 Correct 70 ms 4440 KB Output is correct
12 Correct 112 ms 6556 KB Output is correct
13 Correct 108 ms 6476 KB Output is correct
14 Correct 107 ms 6516 KB Output is correct
15 Correct 326 ms 16012 KB Output is correct
16 Correct 340 ms 16112 KB Output is correct
17 Correct 321 ms 16068 KB Output is correct
18 Correct 326 ms 15960 KB Output is correct
19 Correct 349 ms 16524 KB Output is correct
20 Correct 343 ms 16492 KB Output is correct
21 Correct 329 ms 16388 KB Output is correct
22 Correct 329 ms 16368 KB Output is correct
23 Correct 360 ms 16932 KB Output is correct
24 Correct 353 ms 16820 KB Output is correct
25 Correct 345 ms 16960 KB Output is correct
26 Correct 338 ms 16744 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 1 ms 248 KB Output is correct
3 Correct 2 ms 248 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 6 ms 632 KB Output is correct
6 Correct 12 ms 1144 KB Output is correct
7 Correct 25 ms 2008 KB Output is correct
8 Correct 53 ms 3508 KB Output is correct
9 Correct 113 ms 6572 KB Output is correct
10 Correct 7 ms 760 KB Output is correct
11 Correct 70 ms 4440 KB Output is correct
12 Correct 112 ms 6556 KB Output is correct
13 Correct 108 ms 6476 KB Output is correct
14 Correct 107 ms 6516 KB Output is correct
15 Correct 326 ms 16012 KB Output is correct
16 Correct 340 ms 16112 KB Output is correct
17 Correct 321 ms 16068 KB Output is correct
18 Correct 326 ms 15960 KB Output is correct
19 Correct 349 ms 16524 KB Output is correct
20 Correct 343 ms 16492 KB Output is correct
21 Correct 329 ms 16388 KB Output is correct
22 Correct 329 ms 16368 KB Output is correct
23 Correct 360 ms 16932 KB Output is correct
24 Correct 353 ms 16820 KB Output is correct
25 Correct 345 ms 16960 KB Output is correct
26 Correct 338 ms 16744 KB Output is correct
27 Correct 370 ms 17304 KB Output is correct
28 Correct 369 ms 17336 KB Output is correct
29 Correct 350 ms 17304 KB Output is correct
30 Correct 374 ms 17348 KB Output is correct

Subtask #8
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 1 ms 248 KB Output is correct
3 Correct 2 ms 248 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 6 ms 632 KB Output is correct
6 Correct 12 ms 1144 KB Output is correct
7 Correct 25 ms 2008 KB Output is correct
8 Correct 53 ms 3508 KB Output is correct
9 Correct 113 ms 6572 KB Output is correct
10 Correct 7 ms 760 KB Output is correct
11 Correct 70 ms 4440 KB Output is correct
12 Correct 112 ms 6556 KB Output is correct
13 Correct 108 ms 6476 KB Output is correct
14 Correct 107 ms 6516 KB Output is correct
15 Correct 326 ms 16012 KB Output is correct
16 Correct 340 ms 16112 KB Output is correct
17 Correct 321 ms 16068 KB Output is correct
18 Correct 326 ms 15960 KB Output is correct
19 Correct 349 ms 16524 KB Output is correct
20 Correct 343 ms 16492 KB Output is correct
21 Correct 329 ms 16388 KB Output is correct
22 Correct 329 ms 16368 KB Output is correct
23 Correct 360 ms 16932 KB Output is correct
24 Correct 353 ms 16820 KB Output is correct
25 Correct 345 ms 16960 KB Output is correct
26 Correct 338 ms 16744 KB Output is correct
27 Correct 370 ms 17304 KB Output is correct
28 Correct 369 ms 17336 KB Output is correct
29 Correct 350 ms 17304 KB Output is correct
30 Correct 374 ms 17348 KB Output is correct
31 Correct 425 ms 17868 KB Output is correct
32 Correct 383 ms 17680 KB Output is correct
33 Correct 362 ms 17716 KB Output is correct
34 Correct 358 ms 17644 KB Output is correct

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 1 ms 248 KB Output is correct
3 Correct 2 ms 248 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 6 ms 632 KB Output is correct
6 Correct 12 ms 1144 KB Output is correct
7 Correct 25 ms 2008 KB Output is correct
8 Correct 53 ms 3508 KB Output is correct
9 Correct 113 ms 6572 KB Output is correct
10 Correct 7 ms 760 KB Output is correct
11 Correct 70 ms 4440 KB Output is correct
12 Correct 112 ms 6556 KB Output is correct
13 Correct 108 ms 6476 KB Output is correct
14 Correct 107 ms 6516 KB Output is correct
15 Correct 326 ms 16012 KB Output is correct
16 Correct 340 ms 16112 KB Output is correct
17 Correct 321 ms 16068 KB Output is correct
18 Correct 326 ms 15960 KB Output is correct
19 Correct 349 ms 16524 KB Output is correct
20 Correct 343 ms 16492 KB Output is correct
21 Correct 329 ms 16388 KB Output is correct
22 Correct 329 ms 16368 KB Output is correct
23 Correct 360 ms 16932 KB Output is correct
24 Correct 353 ms 16820 KB Output is correct
25 Correct 345 ms 16960 KB Output is correct
26 Correct 338 ms 16744 KB Output is correct
27 Correct 370 ms 17304 KB Output is correct
28 Correct 369 ms 17336 KB Output is correct
29 Correct 350 ms 17304 KB Output is correct
30 Correct 374 ms 17348 KB Output is correct
31 Correct 425 ms 17868 KB Output is correct
32 Correct 383 ms 17680 KB Output is correct
33 Correct 362 ms 17716 KB Output is correct
34 Correct 358 ms 17644 KB Output is correct
35 Incorrect 356 ms 17944 KB Wrong Answer [2]
36 Halted 0 ms 0 KB -