oj.uz

답안 #342214

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
342214 2021-01-01T15:53:57 Z ogibogi2004 Chessboard (IZhO18_chessboard) C++14
100 / 100
 792 ms 4460 KB 
#include<bits/stdc++.h>
using namespace std;
#define ll long long
const ll MAXN=1e5+6;
const ll INF=2e17;
ll emi_da(ll x,ll k)
{
	ll t=(x-1)/k;
	t/=2;
	ll f=t*(2*k)+1;
	return t*k+min(k,(x-f+1));
}
struct rect
{
	ll x1,y1,x2,y2;
}r[MAXN];
ll calc_black(rect r1,int k)
{
	ll t1=emi_da(r1.x1-1,k),t2=emi_da(r1.x2,k);
	ll t=t2-t1;
	ll h1=emi_da(r1.y1-1,k),h2=emi_da(r1.y2,k);
	ll h=h2-h1;
	return t*h+(r1.x2-r1.x1+1-t)*(r1.y2-r1.y1+1-h);
}
ll ans=INF;
int main()
{
	ll n,k;
	cin>>n>>k;
	for(ll i=1;i<=k;i++)cin>>r[i].x1>>r[i].y1>>r[i].x2>>r[i].y2;
	for(ll i=1;i<=n/2;i++)
	{
		//cout<<i<<":\n";
		if(n%i==0)
		{
			ll s=((n/i)*(n/i)+1)/2*(i*i);
			for(int j=1;j<=k;j++)
			{
				ll p=calc_black(r[j],i);
				//cout<<j<<" "<<p<<endl;
				s-=p;
				s+=(r[j].x2-r[j].x1+1)*(r[j].y2-r[j].y1+1)-p;
			}
			//cout<<s<<endl;
			ans=min(ans,s);
			s=((n/i)*(n/i))/2*(i*i);
			for(int j=1;j<=k;j++)
			{
				ll p=calc_black(r[j],i);
				s-=(r[j].x2-r[j].x1+1)*(r[j].y2-r[j].y1+1)-p;
				s+=p;
			}
			ans=min(ans,s);
			//cout<<s<<endl;
		}
	}
	cout<<ans<<endl;
return 0;
}
/*
6 8
3 3 3 3
1 2 1 2
3 4 3 4
5 5 5 5
4 3 4 3
4 4 4 4
2 1 2 1 
3 6 3 6 
*/

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 364 KB Output is correct

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 79 ms 3180 KB Output is correct
2 Correct 20 ms 1132 KB Output is correct
3 Correct 49 ms 2412 KB Output is correct
4 Correct 54 ms 2668 KB Output is correct
5 Correct 76 ms 2924 KB Output is correct
6 Correct 44 ms 2284 KB Output is correct
7 Correct 9 ms 748 KB Output is correct
8 Correct 44 ms 2284 KB Output is correct
9 Correct 110 ms 4076 KB Output is correct
10 Correct 63 ms 2796 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 2 ms 364 KB Output is correct
5 Correct 2 ms 368 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 2 ms 364 KB Output is correct
15 Correct 2 ms 364 KB Output is correct

Subtask #4
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 2 ms 364 KB Output is correct
5 Correct 2 ms 368 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 2 ms 364 KB Output is correct
15 Correct 2 ms 364 KB Output is correct
16 Correct 30 ms 1644 KB Output is correct
17 Correct 83 ms 3820 KB Output is correct
18 Correct 110 ms 4332 KB Output is correct
19 Correct 200 ms 4164 KB Output is correct
20 Correct 219 ms 4332 KB Output is correct
21 Correct 79 ms 3692 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 54 ms 2284 KB Output is correct
24 Correct 98 ms 4076 KB Output is correct
25 Correct 11 ms 748 KB Output is correct
26 Correct 61 ms 2924 KB Output is correct
27 Correct 80 ms 3308 KB Output is correct
28 Correct 103 ms 4204 KB Output is correct
29 Correct 35 ms 1900 KB Output is correct
30 Correct 3 ms 492 KB Output is correct

Subtask #5
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 79 ms 3180 KB Output is correct
2 Correct 20 ms 1132 KB Output is correct
3 Correct 49 ms 2412 KB Output is correct
4 Correct 54 ms 2668 KB Output is correct
5 Correct 76 ms 2924 KB Output is correct
6 Correct 44 ms 2284 KB Output is correct
7 Correct 9 ms 748 KB Output is correct
8 Correct 44 ms 2284 KB Output is correct
9 Correct 110 ms 4076 KB Output is correct
10 Correct 63 ms 2796 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 2 ms 364 KB Output is correct
15 Correct 2 ms 368 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 2 ms 364 KB Output is correct
25 Correct 2 ms 364 KB Output is correct
26 Correct 30 ms 1644 KB Output is correct
27 Correct 83 ms 3820 KB Output is correct
28 Correct 110 ms 4332 KB Output is correct
29 Correct 200 ms 4164 KB Output is correct
30 Correct 219 ms 4332 KB Output is correct
31 Correct 79 ms 3692 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 54 ms 2284 KB Output is correct
34 Correct 98 ms 4076 KB Output is correct
35 Correct 11 ms 748 KB Output is correct
36 Correct 61 ms 2924 KB Output is correct
37 Correct 80 ms 3308 KB Output is correct
38 Correct 103 ms 4204 KB Output is correct
39 Correct 35 ms 1900 KB Output is correct
40 Correct 3 ms 492 KB Output is correct
41 Correct 197 ms 3828 KB Output is correct
42 Correct 128 ms 4204 KB Output is correct
43 Correct 147 ms 3948 KB Output is correct
44 Correct 124 ms 4160 KB Output is correct
45 Correct 122 ms 4332 KB Output is correct
46 Correct 224 ms 4076 KB Output is correct
47 Correct 108 ms 3948 KB Output is correct
48 Correct 138 ms 3948 KB Output is correct
49 Correct 114 ms 3820 KB Output is correct
50 Correct 724 ms 4204 KB Output is correct
51 Correct 763 ms 4204 KB Output is correct
52 Correct 705 ms 4076 KB Output is correct
53 Correct 752 ms 4332 KB Output is correct
54 Correct 694 ms 4076 KB Output is correct
55 Correct 778 ms 4332 KB Output is correct
56 Correct 674 ms 4076 KB Output is correct

Subtask #6
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 79 ms 3180 KB Output is correct
10 Correct 20 ms 1132 KB Output is correct
11 Correct 49 ms 2412 KB Output is correct
12 Correct 54 ms 2668 KB Output is correct
13 Correct 76 ms 2924 KB Output is correct
14 Correct 44 ms 2284 KB Output is correct
15 Correct 9 ms 748 KB Output is correct
16 Correct 44 ms 2284 KB Output is correct
17 Correct 110 ms 4076 KB Output is correct
18 Correct 63 ms 2796 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 2 ms 364 KB Output is correct
23 Correct 2 ms 368 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 2 ms 364 KB Output is correct
33 Correct 2 ms 364 KB Output is correct
34 Correct 30 ms 1644 KB Output is correct
35 Correct 83 ms 3820 KB Output is correct
36 Correct 110 ms 4332 KB Output is correct
37 Correct 200 ms 4164 KB Output is correct
38 Correct 219 ms 4332 KB Output is correct
39 Correct 79 ms 3692 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 54 ms 2284 KB Output is correct
42 Correct 98 ms 4076 KB Output is correct
43 Correct 11 ms 748 KB Output is correct
44 Correct 61 ms 2924 KB Output is correct
45 Correct 80 ms 3308 KB Output is correct
46 Correct 103 ms 4204 KB Output is correct
47 Correct 35 ms 1900 KB Output is correct
48 Correct 3 ms 492 KB Output is correct
49 Correct 197 ms 3828 KB Output is correct
50 Correct 128 ms 4204 KB Output is correct
51 Correct 147 ms 3948 KB Output is correct
52 Correct 124 ms 4160 KB Output is correct
53 Correct 122 ms 4332 KB Output is correct
54 Correct 224 ms 4076 KB Output is correct
55 Correct 108 ms 3948 KB Output is correct
56 Correct 138 ms 3948 KB Output is correct
57 Correct 114 ms 3820 KB Output is correct
58 Correct 724 ms 4204 KB Output is correct
59 Correct 763 ms 4204 KB Output is correct
60 Correct 705 ms 4076 KB Output is correct
61 Correct 752 ms 4332 KB Output is correct
62 Correct 694 ms 4076 KB Output is correct
63 Correct 778 ms 4332 KB Output is correct
64 Correct 674 ms 4076 KB Output is correct
65 Correct 1 ms 364 KB Output is correct
66 Correct 1 ms 364 KB Output is correct
67 Correct 726 ms 4076 KB Output is correct
68 Correct 735 ms 4204 KB Output is correct
69 Correct 648 ms 3820 KB Output is correct
70 Correct 727 ms 4076 KB Output is correct
71 Correct 702 ms 4076 KB Output is correct
72 Correct 694 ms 4076 KB Output is correct
73 Correct 669 ms 3948 KB Output is correct
74 Correct 728 ms 4332 KB Output is correct
75 Correct 707 ms 4076 KB Output is correct
76 Correct 751 ms 4204 KB Output is correct
77 Correct 195 ms 4332 KB Output is correct
78 Correct 119 ms 4204 KB Output is correct
79 Correct 150 ms 3932 KB Output is correct
80 Correct 159 ms 3948 KB Output is correct
81 Correct 147 ms 3820 KB Output is correct
82 Correct 147 ms 4332 KB Output is correct
83 Correct 126 ms 3948 KB Output is correct
84 Correct 480 ms 4332 KB Output is correct
85 Correct 772 ms 4460 KB Output is correct
86 Correct 1 ms 364 KB Output is correct
87 Correct 1 ms 364 KB Output is correct
88 Correct 792 ms 4460 KB Output is correct
89 Correct 148 ms 1388 KB Output is correct
90 Correct 1 ms 364 KB Output is correct