답안 #93118 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
93118	2019-01-06T14:21:16 Z	Makhsud	Chessboard (IZhO18_chessboard)	C++17	39 / 100	141 ms	504 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);
			}
		}
		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();
	cout << "0";
	///subt1()
}

Subtask #1
0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	380 KB	Output is correct
2	Incorrect	2 ms	376 KB	Output isn't correct
3	Halted	0 ms	0 KB	-

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	72 ms	376 KB	Output is correct
2	Correct	19 ms	376 KB	Output is correct
3	Correct	47 ms	256 KB	Output is correct
4	Correct	44 ms	376 KB	Output is correct
5	Correct	64 ms	256 KB	Output is correct
6	Correct	40 ms	376 KB	Output is correct
7	Correct	10 ms	376 KB	Output is correct
8	Correct	41 ms	376 KB	Output is correct
9	Correct	99 ms	356 KB	Output is correct
10	Correct	57 ms	380 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	256 KB	Output is correct
4	Correct	3 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	5 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	3 ms	380 KB	Output is correct
14	Correct	3 ms	380 KB	Output is correct
15	Correct	2 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	256 KB	Output is correct
4	Correct	3 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	5 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	3 ms	380 KB	Output is correct
14	Correct	3 ms	380 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	26 ms	376 KB	Output is correct
17	Correct	70 ms	360 KB	Output is correct
18	Correct	89 ms	368 KB	Output is correct
19	Correct	125 ms	504 KB	Output is correct
20	Correct	141 ms	420 KB	Output is correct
21	Correct	67 ms	376 KB	Output is correct
22	Correct	2 ms	276 KB	Output is correct
23	Correct	43 ms	376 KB	Output is correct
24	Correct	81 ms	256 KB	Output is correct
25	Correct	10 ms	376 KB	Output is correct
26	Correct	52 ms	504 KB	Output is correct
27	Correct	64 ms	376 KB	Output is correct
28	Correct	86 ms	360 KB	Output is correct
29	Correct	29 ms	376 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	72 ms	376 KB	Output is correct
2	Correct	19 ms	376 KB	Output is correct
3	Correct	47 ms	256 KB	Output is correct
4	Correct	44 ms	376 KB	Output is correct
5	Correct	64 ms	256 KB	Output is correct
6	Correct	40 ms	376 KB	Output is correct
7	Correct	10 ms	376 KB	Output is correct
8	Correct	41 ms	376 KB	Output is correct
9	Correct	99 ms	356 KB	Output is correct
10	Correct	57 ms	380 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	256 KB	Output is correct
14	Correct	3 ms	376 KB	Output is correct
15	Correct	2 ms	256 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	256 KB	Output is correct
19	Correct	5 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	2 ms	376 KB	Output is correct
23	Correct	3 ms	380 KB	Output is correct
24	Correct	3 ms	380 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	26 ms	376 KB	Output is correct
27	Correct	70 ms	360 KB	Output is correct
28	Correct	89 ms	368 KB	Output is correct
29	Correct	125 ms	504 KB	Output is correct
30	Correct	141 ms	420 KB	Output is correct
31	Correct	67 ms	376 KB	Output is correct
32	Correct	2 ms	276 KB	Output is correct
33	Correct	43 ms	376 KB	Output is correct
34	Correct	81 ms	256 KB	Output is correct
35	Correct	10 ms	376 KB	Output is correct
36	Correct	52 ms	504 KB	Output is correct
37	Correct	64 ms	376 KB	Output is correct
38	Correct	86 ms	360 KB	Output is correct
39	Correct	29 ms	376 KB	Output is correct
40	Correct	4 ms	256 KB	Output is correct
41	Incorrect	138 ms	476 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	380 KB	Output is correct
2	Incorrect	2 ms	376 KB	Output isn't correct
3	Halted	0 ms	0 KB	-

답안 #93118

Compilation message

Subtask #1 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
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