답안 #68097 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
68097	2018-08-15T22:19:38 Z	MatheusLealV	Chessboard (IZhO18_chessboard)	C++17	70 / 100	561 ms	60864 KB

chessboard

#include <bits/stdc++.h>
#define N 100050
#define f first
#define s second
using namespace std;
typedef pair<int, int> pii;
typedef long long ll;

ll n, k, x[N], y[N], xf[N], yf[N];

long long ans = (2000000000000000000ll);

vector<ll> d;

int main()
{
	ios::sync_with_stdio(false); cin.tie(0);

	cin>>n>>k;

	for(int i = 1; i <= k; i++) cin>>x[i]>>y[i]>>xf[i]>>yf[i];

	for(int i = 1; i <= k; i++) x[i] --, y[i] --, xf[i] --, yf[i] --;

	for(int i = 1; i <= sqrt(n); i++)
	{
		if((n % i) != 0) continue;

		d.push_back(i);

		if(i != n/i) d.push_back(n/i);
	}

	for(auto r: d)
	{	
		ll pretocerto = 0, pretoerrado = 0, tot;

		if(r == n) continue;

		tot = ( ((n/r) * (n/r)) + 1LL)/2LL;

		tot = (tot * r * r); 

		//if(r != 2) continue;

		for(int i = 1; i <= k; i++)
		{
			int linha = (x[i] % (2*r) < r ? 1 : 0), coluna = (y[i] % (2*r) < r ? 1 : 0);

			if(!linha) coluna = !coluna;

			if(!coluna) pretoerrado ++;

			else pretocerto ++;
		}

		//cout<<custo<<" "<<branco<<"\n";

		ans = min(ans, tot - pretocerto + pretoerrado);

		tot = ( ((n/r) * (n/r)))/2LL;

		tot = (tot * r * r); 

		ans = min(ans, tot + pretocerto - pretoerrado);

	}

	cout<<ans<<"\n";
}

Subtask #1
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	456 KB	Output is correct
3	Correct	2 ms	456 KB	Output is correct
4	Correct	2 ms	460 KB	Output is correct
5	Correct	2 ms	548 KB	Output is correct
6	Correct	3 ms	664 KB	Output is correct
7	Correct	2 ms	664 KB	Output is correct
8	Correct	2 ms	696 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	32 ms	2620 KB	Output is correct
2	Correct	9 ms	2620 KB	Output is correct
3	Correct	25 ms	2876 KB	Output is correct
4	Correct	34 ms	3920 KB	Output is correct
5	Correct	33 ms	5532 KB	Output is correct
6	Correct	21 ms	5716 KB	Output is correct
7	Correct	6 ms	5716 KB	Output is correct
8	Correct	22 ms	6752 KB	Output is correct
9	Correct	49 ms	10520 KB	Output is correct
10	Correct	25 ms	10520 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	10520 KB	Output is correct
2	Correct	2 ms	10520 KB	Output is correct
3	Correct	2 ms	10520 KB	Output is correct
4	Correct	4 ms	10520 KB	Output is correct
5	Correct	2 ms	10520 KB	Output is correct
6	Correct	3 ms	10520 KB	Output is correct
7	Correct	3 ms	10520 KB	Output is correct
8	Correct	3 ms	10520 KB	Output is correct
9	Correct	3 ms	10520 KB	Output is correct
10	Correct	3 ms	10520 KB	Output is correct
11	Correct	3 ms	10520 KB	Output is correct
12	Correct	3 ms	10520 KB	Output is correct
13	Correct	3 ms	10520 KB	Output is correct
14	Correct	3 ms	10520 KB	Output is correct
15	Correct	4 ms	10520 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	10520 KB	Output is correct
2	Correct	2 ms	10520 KB	Output is correct
3	Correct	2 ms	10520 KB	Output is correct
4	Correct	4 ms	10520 KB	Output is correct
5	Correct	2 ms	10520 KB	Output is correct
6	Correct	3 ms	10520 KB	Output is correct
7	Correct	3 ms	10520 KB	Output is correct
8	Correct	3 ms	10520 KB	Output is correct
9	Correct	3 ms	10520 KB	Output is correct
10	Correct	3 ms	10520 KB	Output is correct
11	Correct	3 ms	10520 KB	Output is correct
12	Correct	3 ms	10520 KB	Output is correct
13	Correct	3 ms	10520 KB	Output is correct
14	Correct	3 ms	10520 KB	Output is correct
15	Correct	4 ms	10520 KB	Output is correct
16	Correct	15 ms	10520 KB	Output is correct
17	Correct	34 ms	13524 KB	Output is correct
18	Correct	77 ms	15524 KB	Output is correct
19	Correct	155 ms	16740 KB	Output is correct
20	Correct	192 ms	18552 KB	Output is correct
21	Correct	37 ms	19380 KB	Output is correct
22	Correct	3 ms	19380 KB	Output is correct
23	Correct	43 ms	19380 KB	Output is correct
24	Correct	50 ms	21788 KB	Output is correct
25	Correct	12 ms	21788 KB	Output is correct
26	Correct	46 ms	21872 KB	Output is correct
27	Correct	42 ms	23296 KB	Output is correct
28	Correct	51 ms	25804 KB	Output is correct
29	Correct	18 ms	25804 KB	Output is correct
30	Correct	4 ms	25804 KB	Output is correct

Subtask #5
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	32 ms	2620 KB	Output is correct
2	Correct	9 ms	2620 KB	Output is correct
3	Correct	25 ms	2876 KB	Output is correct
4	Correct	34 ms	3920 KB	Output is correct
5	Correct	33 ms	5532 KB	Output is correct
6	Correct	21 ms	5716 KB	Output is correct
7	Correct	6 ms	5716 KB	Output is correct
8	Correct	22 ms	6752 KB	Output is correct
9	Correct	49 ms	10520 KB	Output is correct
10	Correct	25 ms	10520 KB	Output is correct
11	Correct	3 ms	10520 KB	Output is correct
12	Correct	2 ms	10520 KB	Output is correct
13	Correct	2 ms	10520 KB	Output is correct
14	Correct	4 ms	10520 KB	Output is correct
15	Correct	2 ms	10520 KB	Output is correct
16	Correct	3 ms	10520 KB	Output is correct
17	Correct	3 ms	10520 KB	Output is correct
18	Correct	3 ms	10520 KB	Output is correct
19	Correct	3 ms	10520 KB	Output is correct
20	Correct	3 ms	10520 KB	Output is correct
21	Correct	3 ms	10520 KB	Output is correct
22	Correct	3 ms	10520 KB	Output is correct
23	Correct	3 ms	10520 KB	Output is correct
24	Correct	3 ms	10520 KB	Output is correct
25	Correct	4 ms	10520 KB	Output is correct
26	Correct	15 ms	10520 KB	Output is correct
27	Correct	34 ms	13524 KB	Output is correct
28	Correct	77 ms	15524 KB	Output is correct
29	Correct	155 ms	16740 KB	Output is correct
30	Correct	192 ms	18552 KB	Output is correct
31	Correct	37 ms	19380 KB	Output is correct
32	Correct	3 ms	19380 KB	Output is correct
33	Correct	43 ms	19380 KB	Output is correct
34	Correct	50 ms	21788 KB	Output is correct
35	Correct	12 ms	21788 KB	Output is correct
36	Correct	46 ms	21872 KB	Output is correct
37	Correct	42 ms	23296 KB	Output is correct
38	Correct	51 ms	25804 KB	Output is correct
39	Correct	18 ms	25804 KB	Output is correct
40	Correct	4 ms	25804 KB	Output is correct
41	Correct	118 ms	27832 KB	Output is correct
42	Correct	53 ms	30444 KB	Output is correct
43	Correct	75 ms	32188 KB	Output is correct
44	Correct	54 ms	34568 KB	Output is correct
45	Correct	51 ms	37136 KB	Output is correct
46	Correct	128 ms	39164 KB	Output is correct
47	Correct	41 ms	41084 KB	Output is correct
48	Correct	64 ms	43244 KB	Output is correct
49	Correct	46 ms	45112 KB	Output is correct
50	Correct	492 ms	47636 KB	Output is correct
51	Correct	546 ms	50076 KB	Output is correct
52	Correct	528 ms	52132 KB	Output is correct
53	Correct	534 ms	54556 KB	Output is correct
54	Correct	487 ms	56456 KB	Output is correct
55	Correct	561 ms	59144 KB	Output is correct
56	Correct	471 ms	60864 KB	Output is correct

Subtask #6
0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	456 KB	Output is correct
3	Correct	2 ms	456 KB	Output is correct
4	Correct	2 ms	460 KB	Output is correct
5	Correct	2 ms	548 KB	Output is correct
6	Correct	3 ms	664 KB	Output is correct
7	Correct	2 ms	664 KB	Output is correct
8	Correct	2 ms	696 KB	Output is correct
9	Correct	32 ms	2620 KB	Output is correct
10	Correct	9 ms	2620 KB	Output is correct
11	Correct	25 ms	2876 KB	Output is correct
12	Correct	34 ms	3920 KB	Output is correct
13	Correct	33 ms	5532 KB	Output is correct
14	Correct	21 ms	5716 KB	Output is correct
15	Correct	6 ms	5716 KB	Output is correct
16	Correct	22 ms	6752 KB	Output is correct
17	Correct	49 ms	10520 KB	Output is correct
18	Correct	25 ms	10520 KB	Output is correct
19	Correct	3 ms	10520 KB	Output is correct
20	Correct	2 ms	10520 KB	Output is correct
21	Correct	2 ms	10520 KB	Output is correct
22	Correct	4 ms	10520 KB	Output is correct
23	Correct	2 ms	10520 KB	Output is correct
24	Correct	3 ms	10520 KB	Output is correct
25	Correct	3 ms	10520 KB	Output is correct
26	Correct	3 ms	10520 KB	Output is correct
27	Correct	3 ms	10520 KB	Output is correct
28	Correct	3 ms	10520 KB	Output is correct
29	Correct	3 ms	10520 KB	Output is correct
30	Correct	3 ms	10520 KB	Output is correct
31	Correct	3 ms	10520 KB	Output is correct
32	Correct	3 ms	10520 KB	Output is correct
33	Correct	4 ms	10520 KB	Output is correct
34	Correct	15 ms	10520 KB	Output is correct
35	Correct	34 ms	13524 KB	Output is correct
36	Correct	77 ms	15524 KB	Output is correct
37	Correct	155 ms	16740 KB	Output is correct
38	Correct	192 ms	18552 KB	Output is correct
39	Correct	37 ms	19380 KB	Output is correct
40	Correct	3 ms	19380 KB	Output is correct
41	Correct	43 ms	19380 KB	Output is correct
42	Correct	50 ms	21788 KB	Output is correct
43	Correct	12 ms	21788 KB	Output is correct
44	Correct	46 ms	21872 KB	Output is correct
45	Correct	42 ms	23296 KB	Output is correct
46	Correct	51 ms	25804 KB	Output is correct
47	Correct	18 ms	25804 KB	Output is correct
48	Correct	4 ms	25804 KB	Output is correct
49	Correct	118 ms	27832 KB	Output is correct
50	Correct	53 ms	30444 KB	Output is correct
51	Correct	75 ms	32188 KB	Output is correct
52	Correct	54 ms	34568 KB	Output is correct
53	Correct	51 ms	37136 KB	Output is correct
54	Correct	128 ms	39164 KB	Output is correct
55	Correct	41 ms	41084 KB	Output is correct
56	Correct	64 ms	43244 KB	Output is correct
57	Correct	46 ms	45112 KB	Output is correct
58	Correct	492 ms	47636 KB	Output is correct
59	Correct	546 ms	50076 KB	Output is correct
60	Correct	528 ms	52132 KB	Output is correct
61	Correct	534 ms	54556 KB	Output is correct
62	Correct	487 ms	56456 KB	Output is correct
63	Correct	561 ms	59144 KB	Output is correct
64	Correct	471 ms	60864 KB	Output is correct
65	Correct	3 ms	60864 KB	Output is correct
66	Incorrect	2 ms	60864 KB	Output isn't correct
67	Halted	0 ms	0 KB	-

답안 #68097

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