답안 #787412

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
787412	2023-07-19T07:01:37 Z	willychan	Chessboard (IZhO18_chessboard)	C++14	70 / 100	342 ms	4156 KB

chessboard

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
//#include<bits/extc++.h>
//__gnu_pbds
#define int ll
struct square{
	int x;int y;
	int xp;int yp;
};


signed main(){
	ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0);
	int n,k;cin>>n>>k;
	vector<ll> blackunion(n+1,0);
	vector<square> s(k);
	ll blacksum = 0;
	for(int i=0;i<k;i++){
		cin>>s[i].x>>s[i].xp>>s[i].y>>s[i].yp;
		s[i].x--;
		s[i].y--;
		s[i].xp--;
		s[i].yp--;
		blacksum+=1LL*(s[i].y-s[i].x+1)*(s[i].yp-s[i].xp+1);
	}
	ll minn = LONG_LONG_MAX;
	for(int d=1;d<n;d++){
		if(n%d) continue;
		for(int i=0;i<k;i++){
			ll hoz = 0;
			ll ver = 0;
			int g = (s[i].y/d)-(s[i].x/d);
			if(g==0) hoz = s[i].y-s[i].x+1;
			else{
				if(g&1){
					hoz = (d*(g/2))+d-(s[i].x%d);
				}else{
					hoz = d-(s[i].x%d)+(s[i].y%d)+1+(d*((g-1)/2));
				}
			}
			int h = (s[i].yp/d)-(s[i].xp/d);
			if(h==0) ver = s[i].yp-s[i].xp+1;
			else{
				if(h&1){
					ver = (d*(h/2))+d-(s[i].xp%d);
				}else{
					ver = d-(s[i].xp%d)+(s[i].yp%d)+1+(d*((h-1)/2));
				}
			}
			//cout<<ver<<" "<<hoz<<"\n";
			if((((s[i].x/d)&1)^((s[i].xp/d)&1))==0) blackunion[d]+=ver*hoz;	
			else blackunion[d]+=1LL*(s[i].y-s[i].x+1)*(s[i].yp-s[i].xp+1)-(ver*hoz);
		}
		ll allblack = 0;
		if((n/d)&1) allblack= 1LL*d*d*(1LL*(n/d)*(((n/d)/2))+((n/d)/2+1));
		else allblack = 1LL*d*d*(1LL*(n/d)*(n/d)/2);
		//cout<<d<<" "<<blackunion[d]<<" "<<allblack<<" "<<blacksum<<"\n";
		minn = min(minn,blacksum+allblack-2*blackunion[d]);
		minn = min(minn,2*blackunion[d]+(1LL*n*n-allblack)-blacksum);
	}
	cout<<minn<<"\n";
	return 0;
}

Subtask #1
8.0 / 8.0

#	결과	메모리	Grader output
1	Correct	212 KB	Output is correct
2	Correct	212 KB	Output is correct
3	Correct	212 KB	Output is correct
4	Correct	212 KB	Output is correct
5	Correct	212 KB	Output is correct
6	Correct	212 KB	Output is correct
7	Correct	212 KB	Output is correct
8	Correct	212 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	17 ms	2772 KB	Output is correct
2	Correct	5 ms	852 KB	Output is correct
3	Correct	11 ms	2132 KB	Output is correct
4	Correct	11 ms	1748 KB	Output is correct
5	Correct	15 ms	2480 KB	Output is correct
6	Correct	10 ms	1748 KB	Output is correct
7	Correct	2 ms	724 KB	Output is correct
8	Correct	10 ms	1748 KB	Output is correct
9	Correct	30 ms	3392 KB	Output is correct
10	Correct	14 ms	2132 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	8 ms	1108 KB	Output is correct
17	Correct	19 ms	2900 KB	Output is correct
18	Correct	28 ms	3412 KB	Output is correct
19	Correct	72 ms	3028 KB	Output is correct
20	Correct	80 ms	3412 KB	Output is correct
21	Correct	24 ms	2892 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	16 ms	1620 KB	Output is correct
24	Correct	24 ms	3156 KB	Output is correct
25	Correct	3 ms	596 KB	Output is correct
26	Correct	15 ms	2004 KB	Output is correct
27	Correct	22 ms	2388 KB	Output is correct
28	Correct	32 ms	3284 KB	Output is correct
29	Correct	8 ms	1364 KB	Output is correct
30	Correct	1 ms	340 KB	Output is correct

Subtask #5
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	17 ms	2772 KB	Output is correct
2	Correct	5 ms	852 KB	Output is correct
3	Correct	11 ms	2132 KB	Output is correct
4	Correct	11 ms	1748 KB	Output is correct
5	Correct	15 ms	2480 KB	Output is correct
6	Correct	10 ms	1748 KB	Output is correct
7	Correct	2 ms	724 KB	Output is correct
8	Correct	10 ms	1748 KB	Output is correct
9	Correct	30 ms	3392 KB	Output is correct
10	Correct	14 ms	2132 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	340 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	8 ms	1108 KB	Output is correct
27	Correct	19 ms	2900 KB	Output is correct
28	Correct	28 ms	3412 KB	Output is correct
29	Correct	72 ms	3028 KB	Output is correct
30	Correct	80 ms	3412 KB	Output is correct
31	Correct	24 ms	2892 KB	Output is correct
32	Correct	1 ms	212 KB	Output is correct
33	Correct	16 ms	1620 KB	Output is correct
34	Correct	24 ms	3156 KB	Output is correct
35	Correct	3 ms	596 KB	Output is correct
36	Correct	15 ms	2004 KB	Output is correct
37	Correct	22 ms	2388 KB	Output is correct
38	Correct	32 ms	3284 KB	Output is correct
39	Correct	8 ms	1364 KB	Output is correct
40	Correct	1 ms	340 KB	Output is correct
41	Correct	76 ms	3680 KB	Output is correct
42	Correct	34 ms	4052 KB	Output is correct
43	Correct	47 ms	3696 KB	Output is correct
44	Correct	29 ms	3924 KB	Output is correct
45	Correct	27 ms	4156 KB	Output is correct
46	Correct	78 ms	3996 KB	Output is correct
47	Correct	24 ms	3668 KB	Output is correct
48	Correct	40 ms	3816 KB	Output is correct
49	Correct	31 ms	3668 KB	Output is correct
50	Correct	307 ms	3840 KB	Output is correct
51	Correct	324 ms	3992 KB	Output is correct
52	Correct	301 ms	3796 KB	Output is correct
53	Correct	324 ms	3976 KB	Output is correct
54	Correct	302 ms	3744 KB	Output is correct
55	Correct	334 ms	4100 KB	Output is correct
56	Correct	302 ms	3668 KB	Output is correct

Subtask #6
0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	17 ms	2772 KB	Output is correct
10	Correct	5 ms	852 KB	Output is correct
11	Correct	11 ms	2132 KB	Output is correct
12	Correct	11 ms	1748 KB	Output is correct
13	Correct	15 ms	2480 KB	Output is correct
14	Correct	10 ms	1748 KB	Output is correct
15	Correct	2 ms	724 KB	Output is correct
16	Correct	10 ms	1748 KB	Output is correct
17	Correct	30 ms	3392 KB	Output is correct
18	Correct	14 ms	2132 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	0 ms	212 KB	Output is correct
29	Correct	0 ms	340 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	1 ms	340 KB	Output is correct
32	Correct	1 ms	340 KB	Output is correct
33	Correct	1 ms	340 KB	Output is correct
34	Correct	8 ms	1108 KB	Output is correct
35	Correct	19 ms	2900 KB	Output is correct
36	Correct	28 ms	3412 KB	Output is correct
37	Correct	72 ms	3028 KB	Output is correct
38	Correct	80 ms	3412 KB	Output is correct
39	Correct	24 ms	2892 KB	Output is correct
40	Correct	1 ms	212 KB	Output is correct
41	Correct	16 ms	1620 KB	Output is correct
42	Correct	24 ms	3156 KB	Output is correct
43	Correct	3 ms	596 KB	Output is correct
44	Correct	15 ms	2004 KB	Output is correct
45	Correct	22 ms	2388 KB	Output is correct
46	Correct	32 ms	3284 KB	Output is correct
47	Correct	8 ms	1364 KB	Output is correct
48	Correct	1 ms	340 KB	Output is correct
49	Correct	76 ms	3680 KB	Output is correct
50	Correct	34 ms	4052 KB	Output is correct
51	Correct	47 ms	3696 KB	Output is correct
52	Correct	29 ms	3924 KB	Output is correct
53	Correct	27 ms	4156 KB	Output is correct
54	Correct	78 ms	3996 KB	Output is correct
55	Correct	24 ms	3668 KB	Output is correct
56	Correct	40 ms	3816 KB	Output is correct
57	Correct	31 ms	3668 KB	Output is correct
58	Correct	307 ms	3840 KB	Output is correct
59	Correct	324 ms	3992 KB	Output is correct
60	Correct	301 ms	3796 KB	Output is correct
61	Correct	324 ms	3976 KB	Output is correct
62	Correct	302 ms	3744 KB	Output is correct
63	Correct	334 ms	4100 KB	Output is correct
64	Correct	302 ms	3668 KB	Output is correct
65	Correct	0 ms	212 KB	Output is correct
66	Correct	0 ms	212 KB	Output is correct
67	Incorrect	342 ms	3900 KB	Output isn't correct
68	Halted	0 ms	0 KB	-

답안 #787412

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