답안 #1002380

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1002380	2024-06-19T13:55:03 Z	Tob	Chessboard (IZhO18_chessboard)	C++14	70 / 100	217 ms	4188 KB

chessboard

#include <bits/stdc++.h>

#define F first
#define S second
#define all(x) x.begin(), x.end()
#define pb push_back
#define FIO ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)

using namespace std;

typedef long long ll;
typedef pair <int, int> pii;

const int N = 1e5 + 7;

ll n, m;
pair <pii, pii> re[N];

int main () {
	FIO;
	cin >> n >> m;
	
	for (int i = 0; i < m; i++) {
		int x, y, x2, y2; cin >> x >> y >> x2 >> y2; x--; y--; x2--; y2--;
		re[i] = {{x, y}, {x2, y2}};
	}
	
	ll mn = 1e18;
	for (ll i = 1; i < n; i++) {
		if (n % i) continue;
		ll cnt[2] = {0};
		for (int j = 0; j < m; j++) {
			ll a = re[j].F.F, b = re[j].F.S, c = re[j].S.F, d = re[j].S.S;
			ll aa = a/i*i+i, bb = b/i*i+i, cc = c/i*i-1, dd = d/i*i-1;
			ll ro = (cc-aa+1)/i, co = (dd-bb+1)/i;
			int o = (aa/i+bb/i)%2;
			if (ro < 0 && co < 0) {
				cnt[o] += (c-a+1)*(d-b+1);
				continue;
			}
			if (ro < 0) {
				ro = c-a+1;
				cnt[o] += ro*(bb-b);
				cnt[(o+co+1)&1] += ro*(d-dd);
				cnt[0] += ro*(co/2+(co&1&&o==1));
				cnt[1] += ro*(co/2+(co&1&&o==0));
				continue;
			}
			if (co < 0) {
				co = d-b+1;
				cnt[o] += co*(aa-a);
				cnt[(o+ro+1)&1] += co*(c-cc);
				cnt[0] += co*(ro/2+(ro&1&&o==1));
				cnt[1] += co*(ro/2+(ro&1&&o==0));
				continue;
			}
			cnt[0] += ro*co/2*i*i; cnt[1] += ro*co/2*i*i;
			if (ro*co&1) cnt[o] += i*i;
			
			cnt[0] += (ro/2+(o&&ro&1))*(bb-b) + (ro/2+((o+co)%2==0&&ro&1))*(d-dd);
			cnt[1] += (ro/2+(o^1&&ro&1))*(bb-b) + (ro/2+((o+co)%2==1&&ro&1))*(d-dd);
			
			cnt[0] += (co/2+(o&&co&1))*(aa-a) + (co/2+((o+ro)%2==0&&co&1))*(c-cc);
			cnt[1] += (co/2+(o^1&&co&1))*(aa-a) + (co/2+((o+ro)%2==1&&co&1))*(c-cc);
			
			cnt[o] += (aa-a)*(bb-b);
			cnt[(o+ro-1)&1] += (aa-a)*(d-dd);
			cnt[(o+co-1)&1] += (c-cc)*(bb-b);
			cnt[(o+ro+co)&1] += (c-cc)*(d-dd);
		}
		ll dod = (n/i&1)*i*i;
		ll cost = min((n*n-dod)/2+dod - cnt[0] + cnt[1], (n*n-dod)/2 - cnt[1] + cnt[0]);
		mn = min(mn, cost);
	}
	cout << mn;

	return 0;
}

Subtask #1
8.0 / 8.0

#	결과	메모리	Grader output
1	Correct	348 KB	Output is correct
2	Correct	464 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	348 KB	Output is correct
6	Correct	348 KB	Output is correct
7	Correct	344 KB	Output is correct
8	Correct	348 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	14 ms	2908 KB	Output is correct
2	Correct	4 ms	856 KB	Output is correct
3	Correct	9 ms	1940 KB	Output is correct
4	Correct	15 ms	1884 KB	Output is correct
5	Correct	12 ms	2612 KB	Output is correct
6	Correct	8 ms	1624 KB	Output is correct
7	Correct	2 ms	600 KB	Output is correct
8	Correct	10 ms	1832 KB	Output is correct
9	Correct	26 ms	3768 KB	Output is correct
10	Correct	12 ms	2396 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	416 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	472 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	344 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	416 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	472 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	344 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	9 ms	1116 KB	Output is correct
17	Correct	17 ms	3064 KB	Output is correct
18	Correct	21 ms	3416 KB	Output is correct
19	Correct	47 ms	3164 KB	Output is correct
20	Correct	53 ms	3412 KB	Output is correct
21	Correct	15 ms	2904 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	13 ms	1712 KB	Output is correct
24	Correct	19 ms	3160 KB	Output is correct
25	Correct	3 ms	604 KB	Output is correct
26	Correct	12 ms	2140 KB	Output is correct
27	Correct	16 ms	2544 KB	Output is correct
28	Correct	20 ms	3420 KB	Output is correct
29	Correct	6 ms	1372 KB	Output is correct
30	Correct	1 ms	348 KB	Output is correct

Subtask #5
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	14 ms	2908 KB	Output is correct
2	Correct	4 ms	856 KB	Output is correct
3	Correct	9 ms	1940 KB	Output is correct
4	Correct	15 ms	1884 KB	Output is correct
5	Correct	12 ms	2612 KB	Output is correct
6	Correct	8 ms	1624 KB	Output is correct
7	Correct	2 ms	600 KB	Output is correct
8	Correct	10 ms	1832 KB	Output is correct
9	Correct	26 ms	3768 KB	Output is correct
10	Correct	12 ms	2396 KB	Output is correct
11	Correct	0 ms	344 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	1 ms	416 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	472 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	344 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	9 ms	1116 KB	Output is correct
27	Correct	17 ms	3064 KB	Output is correct
28	Correct	21 ms	3416 KB	Output is correct
29	Correct	47 ms	3164 KB	Output is correct
30	Correct	53 ms	3412 KB	Output is correct
31	Correct	15 ms	2904 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	13 ms	1712 KB	Output is correct
34	Correct	19 ms	3160 KB	Output is correct
35	Correct	3 ms	604 KB	Output is correct
36	Correct	12 ms	2140 KB	Output is correct
37	Correct	16 ms	2544 KB	Output is correct
38	Correct	20 ms	3420 KB	Output is correct
39	Correct	6 ms	1372 KB	Output is correct
40	Correct	1 ms	348 KB	Output is correct
41	Correct	43 ms	3672 KB	Output is correct
42	Correct	24 ms	4188 KB	Output is correct
43	Correct	30 ms	3672 KB	Output is correct
44	Correct	23 ms	3928 KB	Output is correct
45	Correct	22 ms	4168 KB	Output is correct
46	Correct	48 ms	4120 KB	Output is correct
47	Correct	18 ms	3676 KB	Output is correct
48	Correct	27 ms	3752 KB	Output is correct
49	Correct	21 ms	3676 KB	Output is correct
50	Correct	177 ms	4024 KB	Output is correct
51	Correct	183 ms	4188 KB	Output is correct
52	Correct	177 ms	3992 KB	Output is correct
53	Correct	186 ms	4188 KB	Output is correct
54	Correct	170 ms	3932 KB	Output is correct
55	Correct	192 ms	4184 KB	Output is correct
56	Correct	167 ms	3844 KB	Output is correct

Subtask #6
0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	464 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	344 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	14 ms	2908 KB	Output is correct
10	Correct	4 ms	856 KB	Output is correct
11	Correct	9 ms	1940 KB	Output is correct
12	Correct	15 ms	1884 KB	Output is correct
13	Correct	12 ms	2612 KB	Output is correct
14	Correct	8 ms	1624 KB	Output is correct
15	Correct	2 ms	600 KB	Output is correct
16	Correct	10 ms	1832 KB	Output is correct
17	Correct	26 ms	3768 KB	Output is correct
18	Correct	12 ms	2396 KB	Output is correct
19	Correct	0 ms	344 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	1 ms	416 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	472 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	344 KB	Output is correct
32	Correct	0 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	9 ms	1116 KB	Output is correct
35	Correct	17 ms	3064 KB	Output is correct
36	Correct	21 ms	3416 KB	Output is correct
37	Correct	47 ms	3164 KB	Output is correct
38	Correct	53 ms	3412 KB	Output is correct
39	Correct	15 ms	2904 KB	Output is correct
40	Correct	1 ms	348 KB	Output is correct
41	Correct	13 ms	1712 KB	Output is correct
42	Correct	19 ms	3160 KB	Output is correct
43	Correct	3 ms	604 KB	Output is correct
44	Correct	12 ms	2140 KB	Output is correct
45	Correct	16 ms	2544 KB	Output is correct
46	Correct	20 ms	3420 KB	Output is correct
47	Correct	6 ms	1372 KB	Output is correct
48	Correct	1 ms	348 KB	Output is correct
49	Correct	43 ms	3672 KB	Output is correct
50	Correct	24 ms	4188 KB	Output is correct
51	Correct	30 ms	3672 KB	Output is correct
52	Correct	23 ms	3928 KB	Output is correct
53	Correct	22 ms	4168 KB	Output is correct
54	Correct	48 ms	4120 KB	Output is correct
55	Correct	18 ms	3676 KB	Output is correct
56	Correct	27 ms	3752 KB	Output is correct
57	Correct	21 ms	3676 KB	Output is correct
58	Correct	177 ms	4024 KB	Output is correct
59	Correct	183 ms	4188 KB	Output is correct
60	Correct	177 ms	3992 KB	Output is correct
61	Correct	186 ms	4188 KB	Output is correct
62	Correct	170 ms	3932 KB	Output is correct
63	Correct	192 ms	4184 KB	Output is correct
64	Correct	167 ms	3844 KB	Output is correct
65	Correct	0 ms	348 KB	Output is correct
66	Correct	0 ms	348 KB	Output is correct
67	Incorrect	217 ms	4096 KB	Output isn't correct
68	Halted	0 ms	0 KB	-

답안 #1002380

Compilation message

Subtask #1 8.0 / 8.0

Subtask #2 8.0 / 8.0

Subtask #3 15.0 / 15.0

Subtask #4 16.0 / 16.0

Subtask #5 23.0 / 23.0

Subtask #6 0 / 30.0

Subtask #1
8.0 / 8.0

Subtask #2
8.0 / 8.0

Subtask #3
15.0 / 15.0

Subtask #4
16.0 / 16.0

Subtask #5
23.0 / 23.0

Subtask #6
0 / 30.0