답안 #1002441

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1002441	2024-06-19T14:57:28 Z	Tob	Chessboard (IZhO18_chessboard)	C++14	70 / 100	195 ms	4280 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	348 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	348 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	12 ms	2908 KB	Output is correct
2	Correct	6 ms	856 KB	Output is correct
3	Correct	10 ms	2012 KB	Output is correct
4	Correct	8 ms	1880 KB	Output is correct
5	Correct	10 ms	2516 KB	Output is correct
6	Correct	7 ms	1628 KB	Output is correct
7	Correct	2 ms	732 KB	Output is correct
8	Correct	7 ms	1716 KB	Output is correct
9	Correct	16 ms	3828 KB	Output is correct
10	Correct	10 ms	2264 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	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	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	348 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	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	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	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	348 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	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	5 ms	1228 KB	Output is correct
17	Correct	14 ms	2908 KB	Output is correct
18	Correct	17 ms	3492 KB	Output is correct
19	Correct	41 ms	3164 KB	Output is correct
20	Correct	47 ms	3592 KB	Output is correct
21	Correct	15 ms	2904 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	18 ms	1788 KB	Output is correct
24	Correct	32 ms	3164 KB	Output is correct
25	Correct	2 ms	604 KB	Output is correct
26	Correct	20 ms	2128 KB	Output is correct
27	Correct	15 ms	2548 KB	Output is correct
28	Correct	20 ms	3416 KB	Output is correct
29	Correct	6 ms	1368 KB	Output is correct
30	Correct	1 ms	516 KB	Output is correct

Subtask #5
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	12 ms	2908 KB	Output is correct
2	Correct	6 ms	856 KB	Output is correct
3	Correct	10 ms	2012 KB	Output is correct
4	Correct	8 ms	1880 KB	Output is correct
5	Correct	10 ms	2516 KB	Output is correct
6	Correct	7 ms	1628 KB	Output is correct
7	Correct	2 ms	732 KB	Output is correct
8	Correct	7 ms	1716 KB	Output is correct
9	Correct	16 ms	3828 KB	Output is correct
10	Correct	10 ms	2264 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	0 ms	348 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	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	5 ms	1228 KB	Output is correct
27	Correct	14 ms	2908 KB	Output is correct
28	Correct	17 ms	3492 KB	Output is correct
29	Correct	41 ms	3164 KB	Output is correct
30	Correct	47 ms	3592 KB	Output is correct
31	Correct	15 ms	2904 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	18 ms	1788 KB	Output is correct
34	Correct	32 ms	3164 KB	Output is correct
35	Correct	2 ms	604 KB	Output is correct
36	Correct	20 ms	2128 KB	Output is correct
37	Correct	15 ms	2548 KB	Output is correct
38	Correct	20 ms	3416 KB	Output is correct
39	Correct	6 ms	1368 KB	Output is correct
40	Correct	1 ms	516 KB	Output is correct
41	Correct	43 ms	3924 KB	Output is correct
42	Correct	24 ms	3932 KB	Output is correct
43	Correct	30 ms	3676 KB	Output is correct
44	Correct	23 ms	3976 KB	Output is correct
45	Correct	22 ms	4280 KB	Output is correct
46	Correct	49 ms	3932 KB	Output is correct
47	Correct	26 ms	3668 KB	Output is correct
48	Correct	27 ms	3676 KB	Output is correct
49	Correct	27 ms	3668 KB	Output is correct
50	Correct	178 ms	3852 KB	Output is correct
51	Correct	174 ms	4188 KB	Output is correct
52	Correct	160 ms	3920 KB	Output is correct
53	Correct	172 ms	4184 KB	Output is correct
54	Correct	160 ms	3928 KB	Output is correct
55	Correct	182 ms	4188 KB	Output is correct
56	Correct	160 ms	3664 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	348 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	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	12 ms	2908 KB	Output is correct
10	Correct	6 ms	856 KB	Output is correct
11	Correct	10 ms	2012 KB	Output is correct
12	Correct	8 ms	1880 KB	Output is correct
13	Correct	10 ms	2516 KB	Output is correct
14	Correct	7 ms	1628 KB	Output is correct
15	Correct	2 ms	732 KB	Output is correct
16	Correct	7 ms	1716 KB	Output is correct
17	Correct	16 ms	3828 KB	Output is correct
18	Correct	10 ms	2264 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	0 ms	348 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	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	5 ms	1228 KB	Output is correct
35	Correct	14 ms	2908 KB	Output is correct
36	Correct	17 ms	3492 KB	Output is correct
37	Correct	41 ms	3164 KB	Output is correct
38	Correct	47 ms	3592 KB	Output is correct
39	Correct	15 ms	2904 KB	Output is correct
40	Correct	1 ms	348 KB	Output is correct
41	Correct	18 ms	1788 KB	Output is correct
42	Correct	32 ms	3164 KB	Output is correct
43	Correct	2 ms	604 KB	Output is correct
44	Correct	20 ms	2128 KB	Output is correct
45	Correct	15 ms	2548 KB	Output is correct
46	Correct	20 ms	3416 KB	Output is correct
47	Correct	6 ms	1368 KB	Output is correct
48	Correct	1 ms	516 KB	Output is correct
49	Correct	43 ms	3924 KB	Output is correct
50	Correct	24 ms	3932 KB	Output is correct
51	Correct	30 ms	3676 KB	Output is correct
52	Correct	23 ms	3976 KB	Output is correct
53	Correct	22 ms	4280 KB	Output is correct
54	Correct	49 ms	3932 KB	Output is correct
55	Correct	26 ms	3668 KB	Output is correct
56	Correct	27 ms	3676 KB	Output is correct
57	Correct	27 ms	3668 KB	Output is correct
58	Correct	178 ms	3852 KB	Output is correct
59	Correct	174 ms	4188 KB	Output is correct
60	Correct	160 ms	3920 KB	Output is correct
61	Correct	172 ms	4184 KB	Output is correct
62	Correct	160 ms	3928 KB	Output is correct
63	Correct	182 ms	4188 KB	Output is correct
64	Correct	160 ms	3664 KB	Output is correct
65	Correct	0 ms	348 KB	Output is correct
66	Correct	0 ms	348 KB	Output is correct
67	Incorrect	195 ms	4140 KB	Output isn't correct
68	Halted	0 ms	0 KB	-

답안 #1002441

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