답안 #798517

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
798517 2023-07-30T19:26:29 Z aymanrs 드문 곤충 (IOI22_insects) C++17
99.89 / 100
54 ms 352 KB
#include<bits/stdc++.h>
const int MOD = 1e9+7;
using namespace std;
void move_inside(int i);
void move_outside(int i);
int press_button();
int min_cardinality(int N){
	int t = 0;
	vector<int> v;
	bool vis[N] = {false};
	for(int i = 0;i < N;i++){
		move_inside(i);
		if(press_button() == 2){
			move_outside(i);
		} else {
			vis[i] = true;
			t++;
			v.push_back(i);
		}
	}
	int ans = N;
	if(t <= 2){
		for(int i : v) if(i) move_outside(i);
		for(int i : v){
			if(i) move_inside(i);
			t = 1;
			for(int j = i+1;j < N;j++){
				if(vis[j]) continue;
				move_inside(j);
				if(press_button() == 2){
					t++;
					vis[j] = true;
				}
				move_outside(j);
			}
			ans = min(ans, t);
		}
		return ans;
	}
	int l = 2, r = N/t, b = 1, m;
	bool broke[N] = {false};
	while(l <= r){
		m = l+r>>1;
		int rb = 0;
		bool s[N] = {false};
		int ind = N;
		for(int i = 0;i < N;i++){
			if(vis[i]) continue;
			if(broke[i]){
				rb++;
			} else {
			move_inside(i);
			if(press_button() > m){
				rb++;
				move_outside(i);
			} else s[i] = true;
			}
			if(rb > N-t*m) {
				ind = i+1;
				break;
			}
		}
		if(rb == N-t*m) {
			b = m;
			l = m+1;
			for(int i = 0;i < N;i++) if(s[i]) vis[i] = true;
		} else {
			r = m-1;
			if(l <= r) {
				for(int i = 0;i < ind;i++) {
					if(s[i]) move_outside(i);
					else broke[i] = true;
				}
			}
		}
	}
	return b;
}

Compilation message

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:43:8: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   43 |   m = l+r>>1;
      |       ~^~
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 3 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 6 ms 208 KB Output is correct
9 Correct 6 ms 208 KB Output is correct
10 Correct 4 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 3 ms 256 KB Output is correct
13 Correct 4 ms 208 KB Output is correct
14 Correct 7 ms 208 KB Output is correct
15 Correct 6 ms 208 KB Output is correct
16 Correct 5 ms 208 KB Output is correct
17 Correct 5 ms 208 KB Output is correct
18 Correct 7 ms 208 KB Output is correct
19 Correct 2 ms 208 KB Output is correct
20 Correct 4 ms 208 KB Output is correct
21 Correct 3 ms 208 KB Output is correct
22 Correct 2 ms 296 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 3 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 6 ms 208 KB Output is correct
9 Correct 6 ms 208 KB Output is correct
10 Correct 4 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 3 ms 256 KB Output is correct
13 Correct 4 ms 208 KB Output is correct
14 Correct 7 ms 208 KB Output is correct
15 Correct 6 ms 208 KB Output is correct
16 Correct 5 ms 208 KB Output is correct
17 Correct 5 ms 208 KB Output is correct
18 Correct 7 ms 208 KB Output is correct
19 Correct 2 ms 208 KB Output is correct
20 Correct 4 ms 208 KB Output is correct
21 Correct 3 ms 208 KB Output is correct
22 Correct 2 ms 296 KB Output is correct
23 Correct 19 ms 256 KB Output is correct
24 Correct 6 ms 208 KB Output is correct
25 Correct 30 ms 208 KB Output is correct
26 Correct 25 ms 208 KB Output is correct
27 Correct 13 ms 208 KB Output is correct
28 Correct 8 ms 300 KB Output is correct
29 Correct 15 ms 208 KB Output is correct
30 Correct 17 ms 208 KB Output is correct
31 Correct 25 ms 208 KB Output is correct
32 Correct 30 ms 208 KB Output is correct
33 Correct 17 ms 208 KB Output is correct
34 Correct 20 ms 208 KB Output is correct
35 Correct 20 ms 208 KB Output is correct
36 Correct 20 ms 208 KB Output is correct
37 Correct 16 ms 208 KB Output is correct
38 Correct 9 ms 208 KB Output is correct
39 Correct 16 ms 208 KB Output is correct
40 Correct 9 ms 304 KB Output is correct
41 Correct 9 ms 308 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 35 ms 208 KB Output is correct
8 Correct 14 ms 208 KB Output is correct
9 Correct 22 ms 208 KB Output is correct
10 Correct 39 ms 208 KB Output is correct
11 Correct 14 ms 208 KB Output is correct
12 Correct 12 ms 208 KB Output is correct
13 Correct 39 ms 208 KB Output is correct
14 Correct 34 ms 276 KB Output is correct
15 Correct 42 ms 280 KB Output is correct
16 Correct 22 ms 280 KB Output is correct
17 Correct 41 ms 276 KB Output is correct
18 Correct 51 ms 276 KB Output is correct
19 Partially correct 40 ms 280 KB Output is partially correct
20 Correct 21 ms 304 KB Output is correct
21 Correct 49 ms 280 KB Output is correct
22 Correct 52 ms 208 KB Output is correct
23 Correct 49 ms 288 KB Output is correct
24 Correct 37 ms 208 KB Output is correct
25 Correct 12 ms 304 KB Output is correct
26 Correct 17 ms 304 KB Output is correct
27 Correct 48 ms 284 KB Output is correct
28 Correct 47 ms 280 KB Output is correct
29 Partially correct 45 ms 276 KB Output is partially correct
30 Partially correct 54 ms 284 KB Output is partially correct
31 Correct 20 ms 300 KB Output is correct
32 Correct 43 ms 280 KB Output is correct
33 Correct 43 ms 288 KB Output is correct
34 Correct 45 ms 280 KB Output is correct
35 Partially correct 49 ms 208 KB Output is partially correct
36 Partially correct 47 ms 208 KB Output is partially correct
37 Correct 22 ms 352 KB Output is correct
38 Correct 19 ms 296 KB Output is correct
39 Correct 29 ms 280 KB Output is correct
40 Correct 38 ms 208 KB Output is correct
41 Partially correct 52 ms 208 KB Output is partially correct
42 Partially correct 54 ms 348 KB Output is partially correct
43 Correct 12 ms 208 KB Output is correct
44 Correct 36 ms 276 KB Output is correct
45 Correct 17 ms 208 KB Output is correct
46 Correct 17 ms 288 KB Output is correct
47 Correct 7 ms 208 KB Output is correct
48 Correct 17 ms 300 KB Output is correct