답안 #1070408

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1070408 2024-08-22T14:00:44 Z noyancanturk 드문 곤충 (IOI22_insects) C++17
54.05 / 100
129 ms 596 KB
#include "insects.h"

#include<iostream>

int min_cardinality(int n) {
  int types[n]{};
  bool arein[n]{};
  int last=0;
  auto push=[&](int i){
    move_inside(i);
    arein[i]=1;
  };
  auto pop=[&](int i){
    move_outside(i);
    arein[i]=0;
  };
  auto query=[&](){
    return last=press_button();
  };
  types[0]=1;
  push(0);
  int headcnt=1;
  for(int i=1;i<n;i++){
    push(i);
    int cnt=query();
    if(cnt!=1){
      types[i]=2;
      pop(i);
    }else headcnt+=types[i]=1;
  }
  int ans=1;
  int cnt=headcnt;
  int l=2,r=n/headcnt;
  while(l<=r){
    int mid=l+r>>1;
    for(int i=0;i<n;i++){
      if(mid<types[i]&&arein[i]&&mid<last){
        pop(i),cnt--;
      }
    }
    for(int i=0;i<n;i++){
      if(arein[i])continue;
      push(i),cnt++;
      int cnt1=query();
      if(mid<cnt1)pop(i),cnt--;
      if(types[i]<cnt1)types[i]=cnt1;
    }
    if(cnt==headcnt*mid){
      ans=mid;
      l=mid+1;
    }else{
      r=mid-1;
    }
  }
  return ans;
}

Compilation message

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:35:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   35 |     int mid=l+r>>1;
      |             ~^~
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 3 ms 344 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 7 ms 344 KB Output is correct
10 Correct 12 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 8 ms 344 KB Output is correct
13 Correct 4 ms 344 KB Output is correct
14 Correct 4 ms 344 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 4 ms 344 KB Output is correct
17 Correct 5 ms 344 KB Output is correct
18 Correct 7 ms 344 KB Output is correct
19 Correct 3 ms 344 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 3 ms 344 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 7 ms 344 KB Output is correct
10 Correct 12 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 8 ms 344 KB Output is correct
13 Correct 4 ms 344 KB Output is correct
14 Correct 4 ms 344 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 4 ms 344 KB Output is correct
17 Correct 5 ms 344 KB Output is correct
18 Correct 7 ms 344 KB Output is correct
19 Correct 3 ms 344 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 15 ms 344 KB Output is correct
24 Correct 7 ms 344 KB Output is correct
25 Correct 16 ms 344 KB Output is correct
26 Correct 14 ms 344 KB Output is correct
27 Correct 61 ms 344 KB Output is correct
28 Correct 10 ms 344 KB Output is correct
29 Correct 37 ms 344 KB Output is correct
30 Correct 32 ms 344 KB Output is correct
31 Correct 15 ms 344 KB Output is correct
32 Correct 21 ms 344 KB Output is correct
33 Correct 11 ms 344 KB Output is correct
34 Correct 25 ms 344 KB Output is correct
35 Correct 11 ms 344 KB Output is correct
36 Correct 17 ms 344 KB Output is correct
37 Correct 15 ms 344 KB Output is correct
38 Correct 23 ms 344 KB Output is correct
39 Correct 18 ms 596 KB Output is correct
40 Correct 5 ms 344 KB Output is correct
41 Correct 6 ms 344 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 356 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 29 ms 344 KB Output is correct
8 Correct 13 ms 344 KB Output is correct
9 Correct 37 ms 344 KB Output is correct
10 Partially correct 39 ms 344 KB Output is partially correct
11 Partially correct 129 ms 344 KB Output is partially correct
12 Correct 11 ms 344 KB Output is correct
13 Partially correct 113 ms 344 KB Output is partially correct
14 Partially correct 86 ms 344 KB Output is partially correct
15 Partially correct 31 ms 344 KB Output is partially correct
16 Partially correct 38 ms 344 KB Output is partially correct
17 Partially correct 31 ms 340 KB Output is partially correct
18 Partially correct 35 ms 344 KB Output is partially correct
19 Partially correct 39 ms 344 KB Output is partially correct
20 Partially correct 39 ms 344 KB Output is partially correct
21 Partially correct 36 ms 344 KB Output is partially correct
22 Partially correct 68 ms 344 KB Output is partially correct
23 Partially correct 41 ms 344 KB Output is partially correct
24 Correct 23 ms 344 KB Output is correct
25 Correct 13 ms 344 KB Output is correct
26 Correct 10 ms 340 KB Output is correct
27 Correct 25 ms 344 KB Output is correct
28 Correct 30 ms 344 KB Output is correct
29 Partially correct 30 ms 344 KB Output is partially correct
30 Partially correct 32 ms 344 KB Output is partially correct
31 Partially correct 52 ms 344 KB Output is partially correct
32 Partially correct 57 ms 344 KB Output is partially correct
33 Partially correct 58 ms 340 KB Output is partially correct
34 Partially correct 52 ms 344 KB Output is partially correct
35 Partially correct 35 ms 344 KB Output is partially correct
36 Partially correct 32 ms 344 KB Output is partially correct
37 Partially correct 45 ms 344 KB Output is partially correct
38 Partially correct 40 ms 344 KB Output is partially correct
39 Correct 39 ms 344 KB Output is correct
40 Correct 28 ms 344 KB Output is correct
41 Partially correct 39 ms 344 KB Output is partially correct
42 Partially correct 38 ms 344 KB Output is partially correct
43 Partially correct 15 ms 344 KB Output is partially correct
44 Partially correct 116 ms 344 KB Output is partially correct
45 Correct 33 ms 344 KB Output is correct
46 Correct 13 ms 344 KB Output is correct
47 Correct 12 ms 344 KB Output is correct
48 Correct 22 ms 344 KB Output is correct