답안 #1065159

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1065159 2024-08-19T01:41:31 Z cjoa 드문 곤충 (IOI22_insects) C++17
50.03 / 100
145 ms 600 KB
#include "insects.h"
#include <vector>
#include <algorithm>
#include <cassert>
#include <iostream>

using namespace std;

int N, T;
int cnt_inside;
vector<bool> inside;

void MOVE_IN(int n) {
// cerr << "+ " << n << endl;
   assert(!inside[n]);
   move_inside(n);
   inside[n] = true;
   ++cnt_inside;
}

void MOVE_OUT(int n) {
// cerr << "- " << n << endl;
   assert(inside[n]);
   move_outside(n);
   inside[n] = false;
   --cnt_inside;
}

bool check(int x) {
   for (int n = 0; n < N; ++n) {
      if (inside[n])
         continue;
      MOVE_IN(n);
      int f = press_button();
      if (f > x)
         MOVE_OUT(n);
   }

   return cnt_inside == T * x;
}

void RESTORE(const vector<bool>& orig) {
   for (int n = 0; n < N; ++n) {
      if (inside[n] != orig[n]) {
         if (orig[n])
            MOVE_IN(n);
         else
            MOVE_OUT(n);
      }
   }
}

int min_cardinality(int _N) {
   N = _N;
   cnt_inside = 0;
   inside.assign(N, false);
   check(1);
   T = cnt_inside;

   int res = 1;
   int lo = 1, hi = N / T;
   while (lo <= hi) {
      int mid = lo + (hi - lo) / 2;
      vector<bool> orig_inside = inside;
      if (check(mid)) {
         lo = mid+1;
         res = mid;
      }
      else {
         hi = mid-1;
         RESTORE(orig_inside);
      }
   }

   return res;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 352 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 1 ms 344 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 11 ms 344 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 5 ms 344 KB Output is correct
13 Correct 5 ms 344 KB Output is correct
14 Correct 3 ms 344 KB Output is correct
15 Correct 2 ms 416 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 4 ms 344 KB Output is correct
19 Correct 3 ms 344 KB Output is correct
20 Correct 4 ms 344 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 3 ms 344 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 352 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 1 ms 344 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 11 ms 344 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 5 ms 344 KB Output is correct
13 Correct 5 ms 344 KB Output is correct
14 Correct 3 ms 344 KB Output is correct
15 Correct 2 ms 416 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 4 ms 344 KB Output is correct
19 Correct 3 ms 344 KB Output is correct
20 Correct 4 ms 344 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 3 ms 344 KB Output is correct
23 Correct 21 ms 344 KB Output is correct
24 Correct 6 ms 344 KB Output is correct
25 Correct 14 ms 344 KB Output is correct
26 Correct 18 ms 344 KB Output is correct
27 Correct 63 ms 344 KB Output is correct
28 Correct 7 ms 344 KB Output is correct
29 Correct 49 ms 344 KB Output is correct
30 Correct 26 ms 344 KB Output is correct
31 Correct 13 ms 344 KB Output is correct
32 Correct 17 ms 344 KB Output is correct
33 Correct 21 ms 344 KB Output is correct
34 Correct 10 ms 344 KB Output is correct
35 Correct 15 ms 344 KB Output is correct
36 Correct 25 ms 344 KB Output is correct
37 Correct 16 ms 344 KB Output is correct
38 Correct 18 ms 344 KB Output is correct
39 Correct 16 ms 344 KB Output is correct
40 Correct 11 ms 344 KB Output is correct
41 Correct 5 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 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 37 ms 344 KB Output is correct
8 Correct 9 ms 344 KB Output is correct
9 Correct 22 ms 344 KB Output is correct
10 Partially correct 48 ms 344 KB Output is partially correct
11 Partially correct 145 ms 344 KB Output is partially correct
12 Correct 23 ms 344 KB Output is correct
13 Partially correct 113 ms 344 KB Output is partially correct
14 Partially correct 52 ms 344 KB Output is partially correct
15 Partially correct 36 ms 344 KB Output is partially correct
16 Partially correct 35 ms 344 KB Output is partially correct
17 Partially correct 43 ms 344 KB Output is partially correct
18 Partially correct 40 ms 344 KB Output is partially correct
19 Partially correct 39 ms 344 KB Output is partially correct
20 Partially correct 37 ms 344 KB Output is partially correct
21 Partially correct 54 ms 344 KB Output is partially correct
22 Partially correct 27 ms 592 KB Output is partially correct
23 Partially correct 39 ms 344 KB Output is partially correct
24 Correct 19 ms 344 KB Output is correct
25 Correct 23 ms 344 KB Output is correct
26 Correct 9 ms 344 KB Output is correct
27 Partially correct 31 ms 344 KB Output is partially correct
28 Partially correct 37 ms 344 KB Output is partially correct
29 Partially correct 38 ms 344 KB Output is partially correct
30 Partially correct 31 ms 356 KB Output is partially correct
31 Partially correct 38 ms 344 KB Output is partially correct
32 Partially correct 38 ms 408 KB Output is partially correct
33 Partially correct 52 ms 344 KB Output is partially correct
34 Partially correct 59 ms 344 KB Output is partially correct
35 Partially correct 27 ms 344 KB Output is partially correct
36 Partially correct 42 ms 600 KB Output is partially correct
37 Partially correct 38 ms 412 KB Output is partially correct
38 Partially correct 37 ms 344 KB Output is partially correct
39 Partially correct 33 ms 344 KB Output is partially correct
40 Partially correct 30 ms 344 KB Output is partially correct
41 Partially correct 26 ms 344 KB Output is partially correct
42 Partially correct 38 ms 344 KB Output is partially correct
43 Partially correct 24 ms 344 KB Output is partially correct
44 Partially correct 91 ms 344 KB Output is partially correct
45 Correct 42 ms 344 KB Output is correct
46 Correct 16 ms 344 KB Output is correct
47 Correct 15 ms 344 KB Output is correct
48 Correct 24 ms 344 KB Output is correct