답안 #93077 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
93077	2019-01-06T11:38:11 Z	Makhsud	Chessboard (IZhO18_chessboard)	C++17	47 / 100	147 ms	1668 KB

chessboard

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

ll n, k, x, y, xx, yy;
ll mn = INT_MAX;

ll ch ( ll del ) {
	ll ans = 0;
	if ( del == 1 ) {
		return (n*n)/2;
	}
	for ( int i = 1; i <= (n/del); i ++ ) {
		if ( i % 2 == 1 ) {
			ans += (del*del) * ( (n/del) / 2 );
		}
		else {
			ans += (del*del) * ( ( ( n/del )+1) / 2 );
		}
	}
	return ans;
}
ll a[5][5];
void subt2()
{
	for ( int i = 1; i <= k; i ++ ) {
		cin >> x >> y >> xx >> yy;
		a[x%2][y%2]++;
	}
	ll a1 = 0, a2 = 0;
	a1 = (n*n) / 2;
	a2 = a1 + 1;

	a2 = a2 - (a[1][1] + a[0][0]);
	a2 = a2 + (a[1][0] + a[0][1]);

	a1 = a1 - (a[1][0] + a[0][1]);
	a1 = a1 + (a[1][1] + a[0][0]);

	cout << min ( (a1), (a2) );
}
ll d[50000][5][5];
vector<ll>divs;
void subt3()
{
	for ( int i = 1; i < n; i ++ ){
		if ( n % i == 0 )
			divs.push_back((ll)i);
	}
	for ( int i = 1; i <= k; i ++ ) {
		cin >> x >> y >> xx >> yy;
		for ( auto e: divs ) {
			ll c, r;
			r = ( x / e ) + ( x % e && 1 );
			c = ( y / e ) + ( y % e && 1 );
			d[e][r%2][c%2] ++;
		}
	}
	ll cnt1 = 0, cnt2 = 0, mn = INT_MAX;
	for ( auto e: divs ){
		cnt1 = cnt2 = 0;
		for ( int i = 1; i <= n/e; i ++ ) {
			if ( i % 2 == 1 ) {
				cnt1 += ( (e*e) * ((n/e )/2) );
				cnt2 += ( (e*e) * (((n/e )+1)/2) );
			} else {
				cnt2 += ( (e*e) * ((n/e )/2) );
				cnt1 += ( (e*e) * (((n/e )+1)/2) );
			}
		}
		cnt1 += (d[e][1][1] + d[e][0][0]);
		cnt1 -= (d[e][1][0] + d[e][0][1]);

		cnt2 += (d[e][1][0] + d[e][0][1]);
		cnt2 -= (d[e][1][1] + d[e][0][0]);
		mn = min( mn, min( cnt1, cnt2 ) );
	}
	cout << mn;
}

int main()
{
	cin >> n >> k;
	ll cnt = 0;
	for ( int i = 1; i <= n; i ++ )
		if ( n % i == 0 ) cnt ++;

	if ( cnt == 2 ){
		subt2();
		return 0;
	}

	if ( k != 0 ) {
		subt3();
		return 0;
	}

	for ( int i = 1; i < n; i ++ ) {
		if ( n % i == 0 ) {
			ll an = ch(i);
			mn = min ( mn, an );
		}
	}
	cout << mn;
}

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	256 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	256 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	256 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	72 ms	256 KB	Output is correct
2	Correct	21 ms	256 KB	Output is correct
3	Correct	47 ms	256 KB	Output is correct
4	Correct	44 ms	1144 KB	Output is correct
5	Correct	64 ms	1532 KB	Output is correct
6	Correct	41 ms	1016 KB	Output is correct
7	Correct	10 ms	380 KB	Output is correct
8	Correct	41 ms	1144 KB	Output is correct
9	Correct	109 ms	1668 KB	Output is correct
10	Correct	60 ms	1428 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	252 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	3 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	3 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	252 KB	Output is correct
14	Correct	2 ms	256 KB	Output is correct
15	Correct	3 ms	256 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	252 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	3 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	3 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	252 KB	Output is correct
14	Correct	2 ms	256 KB	Output is correct
15	Correct	3 ms	256 KB	Output is correct
16	Correct	26 ms	256 KB	Output is correct
17	Correct	71 ms	256 KB	Output is correct
18	Correct	93 ms	396 KB	Output is correct
19	Correct	127 ms	376 KB	Output is correct
20	Correct	141 ms	440 KB	Output is correct
21	Correct	67 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	44 ms	376 KB	Output is correct
24	Correct	86 ms	376 KB	Output is correct
25	Correct	10 ms	376 KB	Output is correct
26	Correct	52 ms	376 KB	Output is correct
27	Correct	66 ms	376 KB	Output is correct
28	Correct	87 ms	364 KB	Output is correct
29	Correct	30 ms	256 KB	Output is correct
30	Correct	4 ms	376 KB	Output is correct

Subtask #5
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	72 ms	256 KB	Output is correct
2	Correct	21 ms	256 KB	Output is correct
3	Correct	47 ms	256 KB	Output is correct
4	Correct	44 ms	1144 KB	Output is correct
5	Correct	64 ms	1532 KB	Output is correct
6	Correct	41 ms	1016 KB	Output is correct
7	Correct	10 ms	380 KB	Output is correct
8	Correct	41 ms	1144 KB	Output is correct
9	Correct	109 ms	1668 KB	Output is correct
10	Correct	60 ms	1428 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	252 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	3 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	3 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	252 KB	Output is correct
24	Correct	2 ms	256 KB	Output is correct
25	Correct	3 ms	256 KB	Output is correct
26	Correct	26 ms	256 KB	Output is correct
27	Correct	71 ms	256 KB	Output is correct
28	Correct	93 ms	396 KB	Output is correct
29	Correct	127 ms	376 KB	Output is correct
30	Correct	141 ms	440 KB	Output is correct
31	Correct	67 ms	376 KB	Output is correct
32	Correct	2 ms	376 KB	Output is correct
33	Correct	44 ms	376 KB	Output is correct
34	Correct	86 ms	376 KB	Output is correct
35	Correct	10 ms	376 KB	Output is correct
36	Correct	52 ms	376 KB	Output is correct
37	Correct	66 ms	376 KB	Output is correct
38	Correct	87 ms	364 KB	Output is correct
39	Correct	30 ms	256 KB	Output is correct
40	Correct	4 ms	376 KB	Output is correct
41	Incorrect	147 ms	1492 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	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	2 ms	376 KB	Output is correct
5	Correct	2 ms	256 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	256 KB	Output is correct
9	Correct	72 ms	256 KB	Output is correct
10	Correct	21 ms	256 KB	Output is correct
11	Correct	47 ms	256 KB	Output is correct
12	Correct	44 ms	1144 KB	Output is correct
13	Correct	64 ms	1532 KB	Output is correct
14	Correct	41 ms	1016 KB	Output is correct
15	Correct	10 ms	380 KB	Output is correct
16	Correct	41 ms	1144 KB	Output is correct
17	Correct	109 ms	1668 KB	Output is correct
18	Correct	60 ms	1428 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	252 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct
27	Correct	3 ms	376 KB	Output is correct
28	Correct	2 ms	376 KB	Output is correct
29	Correct	3 ms	376 KB	Output is correct
30	Correct	2 ms	376 KB	Output is correct
31	Correct	2 ms	252 KB	Output is correct
32	Correct	2 ms	256 KB	Output is correct
33	Correct	3 ms	256 KB	Output is correct
34	Correct	26 ms	256 KB	Output is correct
35	Correct	71 ms	256 KB	Output is correct
36	Correct	93 ms	396 KB	Output is correct
37	Correct	127 ms	376 KB	Output is correct
38	Correct	141 ms	440 KB	Output is correct
39	Correct	67 ms	376 KB	Output is correct
40	Correct	2 ms	376 KB	Output is correct
41	Correct	44 ms	376 KB	Output is correct
42	Correct	86 ms	376 KB	Output is correct
43	Correct	10 ms	376 KB	Output is correct
44	Correct	52 ms	376 KB	Output is correct
45	Correct	66 ms	376 KB	Output is correct
46	Correct	87 ms	364 KB	Output is correct
47	Correct	30 ms	256 KB	Output is correct
48	Correct	4 ms	376 KB	Output is correct
49	Incorrect	147 ms	1492 KB	Output isn't correct
50	Halted	0 ms	0 KB	-

답안 #93077

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