답안 #93165 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
93165	2019-01-06T16:26:08 Z	Makhsud	Chessboard (IZhO18_chessboard)	C++17	47 / 100	141 ms	2272 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 subt_3_4_5()
{
	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);
			}
		}
		if ( k != n*n ) {
			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 ) subt_3_4_5();
	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	256 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	256 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	71 ms	256 KB	Output is correct
2	Correct	19 ms	256 KB	Output is correct
3	Correct	46 ms	360 KB	Output is correct
4	Correct	43 ms	1144 KB	Output is correct
5	Correct	63 ms	1528 KB	Output is correct
6	Correct	40 ms	1016 KB	Output is correct
7	Correct	10 ms	376 KB	Output is correct
8	Correct	41 ms	1016 KB	Output is correct
9	Correct	101 ms	2248 KB	Output is correct
10	Correct	57 ms	1440 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	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	3 ms	248 KB	Output is correct
5	Correct	2 ms	256 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	3 ms	376 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	256 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	252 KB	Output is correct
13	Correct	3 ms	376 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	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	3 ms	248 KB	Output is correct
5	Correct	2 ms	256 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	3 ms	376 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	256 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	252 KB	Output is correct
13	Correct	3 ms	376 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	69 ms	256 KB	Output is correct
18	Correct	89 ms	380 KB	Output is correct
19	Correct	128 ms	376 KB	Output is correct
20	Correct	140 ms	376 KB	Output is correct
21	Correct	67 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	42 ms	376 KB	Output is correct
24	Correct	80 ms	376 KB	Output is correct
25	Correct	10 ms	376 KB	Output is correct
26	Correct	53 ms	400 KB	Output is correct
27	Correct	66 ms	376 KB	Output is correct
28	Correct	86 ms	376 KB	Output is correct
29	Correct	28 ms	376 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	71 ms	256 KB	Output is correct
2	Correct	19 ms	256 KB	Output is correct
3	Correct	46 ms	360 KB	Output is correct
4	Correct	43 ms	1144 KB	Output is correct
5	Correct	63 ms	1528 KB	Output is correct
6	Correct	40 ms	1016 KB	Output is correct
7	Correct	10 ms	376 KB	Output is correct
8	Correct	41 ms	1016 KB	Output is correct
9	Correct	101 ms	2248 KB	Output is correct
10	Correct	57 ms	1440 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	3 ms	248 KB	Output is correct
15	Correct	2 ms	256 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	3 ms	376 KB	Output is correct
18	Correct	2 ms	256 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	2 ms	252 KB	Output is correct
23	Correct	3 ms	376 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	69 ms	256 KB	Output is correct
28	Correct	89 ms	380 KB	Output is correct
29	Correct	128 ms	376 KB	Output is correct
30	Correct	140 ms	376 KB	Output is correct
31	Correct	67 ms	376 KB	Output is correct
32	Correct	2 ms	376 KB	Output is correct
33	Correct	42 ms	376 KB	Output is correct
34	Correct	80 ms	376 KB	Output is correct
35	Correct	10 ms	376 KB	Output is correct
36	Correct	53 ms	400 KB	Output is correct
37	Correct	66 ms	376 KB	Output is correct
38	Correct	86 ms	376 KB	Output is correct
39	Correct	28 ms	376 KB	Output is correct
40	Correct	4 ms	376 KB	Output is correct
41	Incorrect	141 ms	2272 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	256 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	256 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	71 ms	256 KB	Output is correct
10	Correct	19 ms	256 KB	Output is correct
11	Correct	46 ms	360 KB	Output is correct
12	Correct	43 ms	1144 KB	Output is correct
13	Correct	63 ms	1528 KB	Output is correct
14	Correct	40 ms	1016 KB	Output is correct
15	Correct	10 ms	376 KB	Output is correct
16	Correct	41 ms	1016 KB	Output is correct
17	Correct	101 ms	2248 KB	Output is correct
18	Correct	57 ms	1440 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	3 ms	248 KB	Output is correct
23	Correct	2 ms	256 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	3 ms	376 KB	Output is correct
26	Correct	2 ms	256 KB	Output is correct
27	Correct	2 ms	376 KB	Output is correct
28	Correct	2 ms	256 KB	Output is correct
29	Correct	2 ms	376 KB	Output is correct
30	Correct	2 ms	252 KB	Output is correct
31	Correct	3 ms	376 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	69 ms	256 KB	Output is correct
36	Correct	89 ms	380 KB	Output is correct
37	Correct	128 ms	376 KB	Output is correct
38	Correct	140 ms	376 KB	Output is correct
39	Correct	67 ms	376 KB	Output is correct
40	Correct	2 ms	376 KB	Output is correct
41	Correct	42 ms	376 KB	Output is correct
42	Correct	80 ms	376 KB	Output is correct
43	Correct	10 ms	376 KB	Output is correct
44	Correct	53 ms	400 KB	Output is correct
45	Correct	66 ms	376 KB	Output is correct
46	Correct	86 ms	376 KB	Output is correct
47	Correct	28 ms	376 KB	Output is correct
48	Correct	4 ms	376 KB	Output is correct
49	Incorrect	141 ms	2272 KB	Output isn't correct
50	Halted	0 ms	0 KB	-

답안 #93165

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