oj.uz

답안 #137961

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
137961 2019-07-28T15:32:23 Z Bohoty Minerals (JOI19_minerals) C++14
80 / 100
 361 ms 17204 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 <= 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 248 KB Output is correct
3 Correct 3 ms 248 KB Output is correct
4 Correct 2 ms 376 KB Output is correct

Subtask #2
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 764 KB Output is correct
2 Correct 12 ms 1020 KB Output is correct
3 Correct 25 ms 2040 KB Output is correct
4 Correct 55 ms 3560 KB Output is correct
5 Correct 113 ms 6396 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 248 KB Output is correct
3 Correct 3 ms 248 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 7 ms 764 KB Output is correct
6 Correct 12 ms 1020 KB Output is correct
7 Correct 25 ms 2040 KB Output is correct
8 Correct 55 ms 3560 KB Output is correct
9 Correct 113 ms 6396 KB Output is correct
10 Correct 7 ms 760 KB Output is correct
11 Correct 72 ms 4544 KB Output is correct
12 Correct 113 ms 6516 KB Output is correct
13 Correct 113 ms 6428 KB Output is correct
14 Correct 110 ms 6332 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 248 KB Output is correct
3 Correct 3 ms 248 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 7 ms 764 KB Output is correct
6 Correct 12 ms 1020 KB Output is correct
7 Correct 25 ms 2040 KB Output is correct
8 Correct 55 ms 3560 KB Output is correct
9 Correct 113 ms 6396 KB Output is correct
10 Correct 7 ms 760 KB Output is correct
11 Correct 72 ms 4544 KB Output is correct
12 Correct 113 ms 6516 KB Output is correct
13 Correct 113 ms 6428 KB Output is correct
14 Correct 110 ms 6332 KB Output is correct
15 Correct 342 ms 16036 KB Output is correct
16 Correct 351 ms 16100 KB Output is correct
17 Correct 352 ms 15960 KB Output is correct
18 Correct 361 ms 15760 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 248 KB Output is correct
3 Correct 3 ms 248 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 7 ms 764 KB Output is correct
6 Correct 12 ms 1020 KB Output is correct
7 Correct 25 ms 2040 KB Output is correct
8 Correct 55 ms 3560 KB Output is correct
9 Correct 113 ms 6396 KB Output is correct
10 Correct 7 ms 760 KB Output is correct
11 Correct 72 ms 4544 KB Output is correct
12 Correct 113 ms 6516 KB Output is correct
13 Correct 113 ms 6428 KB Output is correct
14 Correct 110 ms 6332 KB Output is correct
15 Correct 342 ms 16036 KB Output is correct
16 Correct 351 ms 16100 KB Output is correct
17 Correct 352 ms 15960 KB Output is correct
18 Correct 361 ms 15760 KB Output is correct
19 Correct 359 ms 16420 KB Output is correct
20 Correct 350 ms 16336 KB Output is correct
21 Correct 343 ms 16380 KB Output is correct
22 Correct 338 ms 16240 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 248 KB Output is correct
3 Correct 3 ms 248 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 7 ms 764 KB Output is correct
6 Correct 12 ms 1020 KB Output is correct
7 Correct 25 ms 2040 KB Output is correct
8 Correct 55 ms 3560 KB Output is correct
9 Correct 113 ms 6396 KB Output is correct
10 Correct 7 ms 760 KB Output is correct
11 Correct 72 ms 4544 KB Output is correct
12 Correct 113 ms 6516 KB Output is correct
13 Correct 113 ms 6428 KB Output is correct
14 Correct 110 ms 6332 KB Output is correct
15 Correct 342 ms 16036 KB Output is correct
16 Correct 351 ms 16100 KB Output is correct
17 Correct 352 ms 15960 KB Output is correct
18 Correct 361 ms 15760 KB Output is correct
19 Correct 359 ms 16420 KB Output is correct
20 Correct 350 ms 16336 KB Output is correct
21 Correct 343 ms 16380 KB Output is correct
22 Correct 338 ms 16240 KB Output is correct
23 Correct 361 ms 16788 KB Output is correct
24 Correct 360 ms 17028 KB Output is correct
25 Correct 361 ms 16832 KB Output is correct
26 Correct 352 ms 16748 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 248 KB Output is correct
3 Correct 3 ms 248 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 7 ms 764 KB Output is correct
6 Correct 12 ms 1020 KB Output is correct
7 Correct 25 ms 2040 KB Output is correct
8 Correct 55 ms 3560 KB Output is correct
9 Correct 113 ms 6396 KB Output is correct
10 Correct 7 ms 760 KB Output is correct
11 Correct 72 ms 4544 KB Output is correct
12 Correct 113 ms 6516 KB Output is correct
13 Correct 113 ms 6428 KB Output is correct
14 Correct 110 ms 6332 KB Output is correct
15 Correct 342 ms 16036 KB Output is correct
16 Correct 351 ms 16100 KB Output is correct
17 Correct 352 ms 15960 KB Output is correct
18 Correct 361 ms 15760 KB Output is correct
19 Correct 359 ms 16420 KB Output is correct
20 Correct 350 ms 16336 KB Output is correct
21 Correct 343 ms 16380 KB Output is correct
22 Correct 338 ms 16240 KB Output is correct
23 Correct 361 ms 16788 KB Output is correct
24 Correct 360 ms 17028 KB Output is correct
25 Correct 361 ms 16832 KB Output is correct
26 Correct 352 ms 16748 KB Output is correct
27 Incorrect 357 ms 17204 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 248 KB Output is correct
3 Correct 3 ms 248 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 7 ms 764 KB Output is correct
6 Correct 12 ms 1020 KB Output is correct
7 Correct 25 ms 2040 KB Output is correct
8 Correct 55 ms 3560 KB Output is correct
9 Correct 113 ms 6396 KB Output is correct
10 Correct 7 ms 760 KB Output is correct
11 Correct 72 ms 4544 KB Output is correct
12 Correct 113 ms 6516 KB Output is correct
13 Correct 113 ms 6428 KB Output is correct
14 Correct 110 ms 6332 KB Output is correct
15 Correct 342 ms 16036 KB Output is correct
16 Correct 351 ms 16100 KB Output is correct
17 Correct 352 ms 15960 KB Output is correct
18 Correct 361 ms 15760 KB Output is correct
19 Correct 359 ms 16420 KB Output is correct
20 Correct 350 ms 16336 KB Output is correct
21 Correct 343 ms 16380 KB Output is correct
22 Correct 338 ms 16240 KB Output is correct
23 Correct 361 ms 16788 KB Output is correct
24 Correct 360 ms 17028 KB Output is correct
25 Correct 361 ms 16832 KB Output is correct
26 Correct 352 ms 16748 KB Output is correct
27 Incorrect 357 ms 17204 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 248 KB Output is correct
3 Correct 3 ms 248 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 7 ms 764 KB Output is correct
6 Correct 12 ms 1020 KB Output is correct
7 Correct 25 ms 2040 KB Output is correct
8 Correct 55 ms 3560 KB Output is correct
9 Correct 113 ms 6396 KB Output is correct
10 Correct 7 ms 760 KB Output is correct
11 Correct 72 ms 4544 KB Output is correct
12 Correct 113 ms 6516 KB Output is correct
13 Correct 113 ms 6428 KB Output is correct
14 Correct 110 ms 6332 KB Output is correct
15 Correct 342 ms 16036 KB Output is correct
16 Correct 351 ms 16100 KB Output is correct
17 Correct 352 ms 15960 KB Output is correct
18 Correct 361 ms 15760 KB Output is correct
19 Correct 359 ms 16420 KB Output is correct
20 Correct 350 ms 16336 KB Output is correct
21 Correct 343 ms 16380 KB Output is correct
22 Correct 338 ms 16240 KB Output is correct
23 Correct 361 ms 16788 KB Output is correct
24 Correct 360 ms 17028 KB Output is correct
25 Correct 361 ms 16832 KB Output is correct
26 Correct 352 ms 16748 KB Output is correct
27 Incorrect 357 ms 17204 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -