oj.uz

답안 #137958

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
137958 2019-07-28T15:31:13 Z Bohoty Minerals (JOI19_minerals) C++14
80 / 100
 371 ms 16940 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(0.36 * sz);
  if(aInside)take = sz - take;
  for(int j = 1; j <= take; 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

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 248 KB Output is correct

Subtask #2
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 680 KB Output is correct
2 Correct 12 ms 1016 KB Output is correct
3 Correct 25 ms 1912 KB Output is correct
4 Correct 54 ms 3612 KB Output is correct
5 Correct 111 ms 6372 KB Output is correct

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 248 KB Output is correct
5 Correct 7 ms 680 KB Output is correct
6 Correct 12 ms 1016 KB Output is correct
7 Correct 25 ms 1912 KB Output is correct
8 Correct 54 ms 3612 KB Output is correct
9 Correct 111 ms 6372 KB Output is correct
10 Correct 7 ms 760 KB Output is correct
11 Correct 70 ms 4324 KB Output is correct
12 Correct 111 ms 6336 KB Output is correct
13 Correct 111 ms 6528 KB Output is correct
14 Correct 108 ms 6440 KB Output is correct

Subtask #4
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 248 KB Output is correct
5 Correct 7 ms 680 KB Output is correct
6 Correct 12 ms 1016 KB Output is correct
7 Correct 25 ms 1912 KB Output is correct
8 Correct 54 ms 3612 KB Output is correct
9 Correct 111 ms 6372 KB Output is correct
10 Correct 7 ms 760 KB Output is correct
11 Correct 70 ms 4324 KB Output is correct
12 Correct 111 ms 6336 KB Output is correct
13 Correct 111 ms 6528 KB Output is correct
14 Correct 108 ms 6440 KB Output is correct
15 Correct 332 ms 15596 KB Output is correct
16 Correct 342 ms 15900 KB Output is correct
17 Correct 324 ms 15684 KB Output is correct
18 Correct 324 ms 15408 KB Output is correct

Subtask #5
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 248 KB Output is correct
5 Correct 7 ms 680 KB Output is correct
6 Correct 12 ms 1016 KB Output is correct
7 Correct 25 ms 1912 KB Output is correct
8 Correct 54 ms 3612 KB Output is correct
9 Correct 111 ms 6372 KB Output is correct
10 Correct 7 ms 760 KB Output is correct
11 Correct 70 ms 4324 KB Output is correct
12 Correct 111 ms 6336 KB Output is correct
13 Correct 111 ms 6528 KB Output is correct
14 Correct 108 ms 6440 KB Output is correct
15 Correct 332 ms 15596 KB Output is correct
16 Correct 342 ms 15900 KB Output is correct
17 Correct 324 ms 15684 KB Output is correct
18 Correct 324 ms 15408 KB Output is correct
19 Correct 350 ms 16088 KB Output is correct
20 Correct 349 ms 16136 KB Output is correct
21 Correct 341 ms 16092 KB Output is correct
22 Correct 334 ms 15936 KB Output is correct

Subtask #6
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 248 KB Output is correct
5 Correct 7 ms 680 KB Output is correct
6 Correct 12 ms 1016 KB Output is correct
7 Correct 25 ms 1912 KB Output is correct
8 Correct 54 ms 3612 KB Output is correct
9 Correct 111 ms 6372 KB Output is correct
10 Correct 7 ms 760 KB Output is correct
11 Correct 70 ms 4324 KB Output is correct
12 Correct 111 ms 6336 KB Output is correct
13 Correct 111 ms 6528 KB Output is correct
14 Correct 108 ms 6440 KB Output is correct
15 Correct 332 ms 15596 KB Output is correct
16 Correct 342 ms 15900 KB Output is correct
17 Correct 324 ms 15684 KB Output is correct
18 Correct 324 ms 15408 KB Output is correct
19 Correct 350 ms 16088 KB Output is correct
20 Correct 349 ms 16136 KB Output is correct
21 Correct 341 ms 16092 KB Output is correct
22 Correct 334 ms 15936 KB Output is correct
23 Correct 371 ms 16580 KB Output is correct
24 Correct 369 ms 16496 KB Output is correct
25 Correct 351 ms 16760 KB Output is correct
26 Correct 340 ms 16324 KB Output is correct

Subtask #7
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 248 KB Output is correct
5 Correct 7 ms 680 KB Output is correct
6 Correct 12 ms 1016 KB Output is correct
7 Correct 25 ms 1912 KB Output is correct
8 Correct 54 ms 3612 KB Output is correct
9 Correct 111 ms 6372 KB Output is correct
10 Correct 7 ms 760 KB Output is correct
11 Correct 70 ms 4324 KB Output is correct
12 Correct 111 ms 6336 KB Output is correct
13 Correct 111 ms 6528 KB Output is correct
14 Correct 108 ms 6440 KB Output is correct
15 Correct 332 ms 15596 KB Output is correct
16 Correct 342 ms 15900 KB Output is correct
17 Correct 324 ms 15684 KB Output is correct
18 Correct 324 ms 15408 KB Output is correct
19 Correct 350 ms 16088 KB Output is correct
20 Correct 349 ms 16136 KB Output is correct
21 Correct 341 ms 16092 KB Output is correct
22 Correct 334 ms 15936 KB Output is correct
23 Correct 371 ms 16580 KB Output is correct
24 Correct 369 ms 16496 KB Output is correct
25 Correct 351 ms 16760 KB Output is correct
26 Correct 340 ms 16324 KB Output is correct
27 Incorrect 354 ms 16940 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -

Subtask #8
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 248 KB Output is correct
5 Correct 7 ms 680 KB Output is correct
6 Correct 12 ms 1016 KB Output is correct
7 Correct 25 ms 1912 KB Output is correct
8 Correct 54 ms 3612 KB Output is correct
9 Correct 111 ms 6372 KB Output is correct
10 Correct 7 ms 760 KB Output is correct
11 Correct 70 ms 4324 KB Output is correct
12 Correct 111 ms 6336 KB Output is correct
13 Correct 111 ms 6528 KB Output is correct
14 Correct 108 ms 6440 KB Output is correct
15 Correct 332 ms 15596 KB Output is correct
16 Correct 342 ms 15900 KB Output is correct
17 Correct 324 ms 15684 KB Output is correct
18 Correct 324 ms 15408 KB Output is correct
19 Correct 350 ms 16088 KB Output is correct
20 Correct 349 ms 16136 KB Output is correct
21 Correct 341 ms 16092 KB Output is correct
22 Correct 334 ms 15936 KB Output is correct
23 Correct 371 ms 16580 KB Output is correct
24 Correct 369 ms 16496 KB Output is correct
25 Correct 351 ms 16760 KB Output is correct
26 Correct 340 ms 16324 KB Output is correct
27 Incorrect 354 ms 16940 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 248 KB Output is correct
5 Correct 7 ms 680 KB Output is correct
6 Correct 12 ms 1016 KB Output is correct
7 Correct 25 ms 1912 KB Output is correct
8 Correct 54 ms 3612 KB Output is correct
9 Correct 111 ms 6372 KB Output is correct
10 Correct 7 ms 760 KB Output is correct
11 Correct 70 ms 4324 KB Output is correct
12 Correct 111 ms 6336 KB Output is correct
13 Correct 111 ms 6528 KB Output is correct
14 Correct 108 ms 6440 KB Output is correct
15 Correct 332 ms 15596 KB Output is correct
16 Correct 342 ms 15900 KB Output is correct
17 Correct 324 ms 15684 KB Output is correct
18 Correct 324 ms 15408 KB Output is correct
19 Correct 350 ms 16088 KB Output is correct
20 Correct 349 ms 16136 KB Output is correct
21 Correct 341 ms 16092 KB Output is correct
22 Correct 334 ms 15936 KB Output is correct
23 Correct 371 ms 16580 KB Output is correct
24 Correct 369 ms 16496 KB Output is correct
25 Correct 351 ms 16760 KB Output is correct
26 Correct 340 ms 16324 KB Output is correct
27 Incorrect 354 ms 16940 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -