답안 #93117 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
93117	2019-01-06T14:17:33 Z	Makhsud	Chessboard (IZhO18_chessboard)	C++17	47 / 100	141 ms	2396 KB

chessboard

#include <bits/stdc++.h>
#define ll long long
using namespace std;

ll n, k, cnt, x, y, xx, yy;
ll a[3][3];
ll di[50005][5][5];
void subt1()
{
	ll mn = INT_MAX;
	for ( int i = 1; i < n; i ++ ){
		if ( n % i == 0 ) {
			ll c = 0;
			for ( int j = 1; j <= (n/i); j ++ ) {
				if ( j % 2 ) {
					c += (i*i) * ( ( n/i ) / 2 );
				}
				else {
					c += (i*i) * ( ( ( n/i ) + 1 ) / 2 );
				}
			}
			mn = min( mn, c );
		}
	}
	cout << mn;
	exit(0);
}
void subt2()
{
	ll c1, c2;
	c1 = c2 = 0;
	for ( int i = 1; i <= k; i ++ ) {
		cin >> x >> y >> xx >> yy;
		a[x%2][y%2] ++;
	}
	c1 = (n*n)/2;
	c2 =  c1 + 1;

	c1 = c1 - ( a[1][0] + a[0][1] );
	c1 = c1 + ( a[1][1] + a[0][0] );

	c2 = c2 - ( a[1][1] + a[0][0] );
	c2 = c2 + ( a[1][0] + a[0][1] );

	cout << min( c1, c2 );
	exit(0);
}
void subt3()
{
	ll mn = INT_MAX, a1, a2;
	vector <ll> d(0);
	for ( int i = 1; i < n; i ++ ){
		if ( n % i == 0 ) {
			d.push_back( (ll) i );
		}
	}
	for ( int i = 1; i <= k; i ++ ){
		cin >> x >> y >> xx >> yy;
		for ( auto e: d ) {
			ll r, c;
			r = (x/e) + ( (x%e) && 1 );
			c = (y/e) + ( (y%e) && 1 );
			di[e][r%2][c%2] ++;
		}
	}
	for ( auto e: d ) {
		a1 = a2 = 0;
		for ( int i = 1; i <= (n/e); i ++ ) {
			if ( i % 2 ) {
				a1 += (e*e) * ((n/e)/2);
				a2 += (e*e) * (((n/e)+1)/2);
			}
			else {
				a2 += (e*e) * ((n/e)/2);
				a1 += (e*e) * (((n/e)+1)/2);
			}
		}
		a1 -= di[e][1][0] + di[e][0][1];
		a1 += di[e][0][0] + di[e][1][1];
		a2 += di[e][1][0] + di[e][0][1];
		a2 -= di[e][0][0] + di[e][1][1];
		mn = min ( mn, min ( a1, a2 ) );
	}
	cout << mn;
	exit(0);
}
int main()
{
	cin >> n >> k;
	for ( int i = 1; i <= n; i ++ ) {
		if ( n % i == 0 ) cnt ++;
	}
	if ( cnt == 2 ) subt2();
	if ( k > 0 ) subt3();
	subt1();
}

Subtask #1
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	256 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	248 KB	Output is correct
7	Correct	2 ms	256 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	71 ms	376 KB	Output is correct
2	Correct	19 ms	376 KB	Output is correct
3	Correct	46 ms	364 KB	Output is correct
4	Correct	48 ms	476 KB	Output is correct
5	Correct	64 ms	256 KB	Output is correct
6	Correct	46 ms	376 KB	Output is correct
7	Correct	10 ms	376 KB	Output is correct
8	Correct	42 ms	376 KB	Output is correct
9	Correct	99 ms	376 KB	Output is correct
10	Correct	56 ms	376 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	256 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	3 ms	256 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	256 KB	Output is correct
7	Correct	2 ms	256 KB	Output is correct
8	Correct	2 ms	252 KB	Output is correct
9	Correct	2 ms	256 KB	Output is correct
10	Correct	2 ms	256 KB	Output is correct
11	Correct	2 ms	256 KB	Output is correct
12	Correct	2 ms	256 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	3 ms	256 KB	Output is correct
15	Correct	3 ms	376 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	256 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	3 ms	256 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	256 KB	Output is correct
7	Correct	2 ms	256 KB	Output is correct
8	Correct	2 ms	252 KB	Output is correct
9	Correct	2 ms	256 KB	Output is correct
10	Correct	2 ms	256 KB	Output is correct
11	Correct	2 ms	256 KB	Output is correct
12	Correct	2 ms	256 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	3 ms	256 KB	Output is correct
15	Correct	3 ms	376 KB	Output is correct
16	Correct	26 ms	760 KB	Output is correct
17	Correct	70 ms	1656 KB	Output is correct
18	Correct	89 ms	1912 KB	Output is correct
19	Correct	126 ms	1784 KB	Output is correct
20	Correct	141 ms	1912 KB	Output is correct
21	Correct	68 ms	1528 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	44 ms	888 KB	Output is correct
24	Correct	82 ms	1728 KB	Output is correct
25	Correct	10 ms	376 KB	Output is correct
26	Correct	52 ms	1144 KB	Output is correct
27	Correct	65 ms	1404 KB	Output is correct
28	Correct	87 ms	1848 KB	Output is correct
29	Correct	29 ms	788 KB	Output is correct
30	Correct	4 ms	256 KB	Output is correct

Subtask #5
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	71 ms	376 KB	Output is correct
2	Correct	19 ms	376 KB	Output is correct
3	Correct	46 ms	364 KB	Output is correct
4	Correct	48 ms	476 KB	Output is correct
5	Correct	64 ms	256 KB	Output is correct
6	Correct	46 ms	376 KB	Output is correct
7	Correct	10 ms	376 KB	Output is correct
8	Correct	42 ms	376 KB	Output is correct
9	Correct	99 ms	376 KB	Output is correct
10	Correct	56 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	256 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	3 ms	256 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	256 KB	Output is correct
17	Correct	2 ms	256 KB	Output is correct
18	Correct	2 ms	252 KB	Output is correct
19	Correct	2 ms	256 KB	Output is correct
20	Correct	2 ms	256 KB	Output is correct
21	Correct	2 ms	256 KB	Output is correct
22	Correct	2 ms	256 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	3 ms	256 KB	Output is correct
25	Correct	3 ms	376 KB	Output is correct
26	Correct	26 ms	760 KB	Output is correct
27	Correct	70 ms	1656 KB	Output is correct
28	Correct	89 ms	1912 KB	Output is correct
29	Correct	126 ms	1784 KB	Output is correct
30	Correct	141 ms	1912 KB	Output is correct
31	Correct	68 ms	1528 KB	Output is correct
32	Correct	2 ms	376 KB	Output is correct
33	Correct	44 ms	888 KB	Output is correct
34	Correct	82 ms	1728 KB	Output is correct
35	Correct	10 ms	376 KB	Output is correct
36	Correct	52 ms	1144 KB	Output is correct
37	Correct	65 ms	1404 KB	Output is correct
38	Correct	87 ms	1848 KB	Output is correct
39	Correct	29 ms	788 KB	Output is correct
40	Correct	4 ms	256 KB	Output is correct
41	Incorrect	139 ms	2396 KB	Output isn't correct
42	Halted	0 ms	0 KB	-

Subtask #6
0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	256 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	248 KB	Output is correct
7	Correct	2 ms	256 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	71 ms	376 KB	Output is correct
10	Correct	19 ms	376 KB	Output is correct
11	Correct	46 ms	364 KB	Output is correct
12	Correct	48 ms	476 KB	Output is correct
13	Correct	64 ms	256 KB	Output is correct
14	Correct	46 ms	376 KB	Output is correct
15	Correct	10 ms	376 KB	Output is correct
16	Correct	42 ms	376 KB	Output is correct
17	Correct	99 ms	376 KB	Output is correct
18	Correct	56 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	256 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	3 ms	256 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	256 KB	Output is correct
25	Correct	2 ms	256 KB	Output is correct
26	Correct	2 ms	252 KB	Output is correct
27	Correct	2 ms	256 KB	Output is correct
28	Correct	2 ms	256 KB	Output is correct
29	Correct	2 ms	256 KB	Output is correct
30	Correct	2 ms	256 KB	Output is correct
31	Correct	2 ms	376 KB	Output is correct
32	Correct	3 ms	256 KB	Output is correct
33	Correct	3 ms	376 KB	Output is correct
34	Correct	26 ms	760 KB	Output is correct
35	Correct	70 ms	1656 KB	Output is correct
36	Correct	89 ms	1912 KB	Output is correct
37	Correct	126 ms	1784 KB	Output is correct
38	Correct	141 ms	1912 KB	Output is correct
39	Correct	68 ms	1528 KB	Output is correct
40	Correct	2 ms	376 KB	Output is correct
41	Correct	44 ms	888 KB	Output is correct
42	Correct	82 ms	1728 KB	Output is correct
43	Correct	10 ms	376 KB	Output is correct
44	Correct	52 ms	1144 KB	Output is correct
45	Correct	65 ms	1404 KB	Output is correct
46	Correct	87 ms	1848 KB	Output is correct
47	Correct	29 ms	788 KB	Output is correct
48	Correct	4 ms	256 KB	Output is correct
49	Incorrect	139 ms	2396 KB	Output isn't correct
50	Halted	0 ms	0 KB	-

답안 #93117

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 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
0 / 23.0

Subtask #6
0 / 30.0