답안 #92981

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
92981 2019-01-06T09:34:57 Z Makhsud Chessboard (IZhO18_chessboard) C++17
47 / 100
127 ms 5360 KB
#include <bits/stdc++.h>
#define ll long long
using namespace std;

ll n, k, x, y, xx, yy;
ll d, 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) );
}
bool used[10005][10005];
ll NumOfPainted( ll s, ll e, ll de ) {
	ll num = 0;
	for ( int i = s; i <= s+de-1; i ++ ){
		for ( int j = e; j <= e+de-1; j ++ ) {
			if ( used[i][j] ) num ++;
		}
	}
	return num;
}
ll subt3( ll del )
{
	ll cnt1 = 0, cnt2 = 0, c=0, d=0;
	for ( int i = 1; i <= n; i += del ) {
		c ++;
		for ( int j = 1; j <= n; j += del ) {
			d ++;
			if ( (c % 2 == 1 && d % 2 == 0) || (c % 2 == 0 && d % 2 == 1) ) {
				cnt1 += ( (del*del) - NumOfPainted(i,j,del) );
				cnt2 += NumOfPainted(i,j,del);
			}
			if ( (c % 2 == 1 && d % 2 == 1) || (c % 2 == 0 && d % 2 == 0) ) {
				cnt1 += NumOfPainted(i,j,del);
				cnt2 += ( (del*del) - NumOfPainted(i,j,del) );
			}
		}
		d = 0;
	}
	return min(cnt1,cnt2);
}

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 ) {
		ll MN = INT_MAX;
		for ( int i = 1; i <= k; i ++ ) {
			cin >> x >> y >> xx >> yy;
			used[x][y] = true;
		}
		for ( int i = 1; i < n; i ++ ) {
			if ( n % i == 0 ) {
				ll an = subt3(i);
				//cout << an << '\n';
				MN = min (MN, an);
			}
		}
		cout << MN;
		return 0;
	}

	for ( int i = 1; i < n; i ++ ) {
		if ( n % i == 0 ) {
			ll an = ch(i);
			mn = min ( mn, an );
		}
	}
	cout << mn;
}
# 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 376 KB Output is correct
6 Correct 2 ms 380 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 72 ms 376 KB Output is correct
2 Correct 19 ms 256 KB Output is correct
3 Correct 46 ms 380 KB Output is correct
4 Correct 45 ms 256 KB Output is correct
5 Correct 62 ms 256 KB Output is correct
6 Correct 40 ms 360 KB Output is correct
7 Correct 10 ms 256 KB Output is correct
8 Correct 41 ms 376 KB Output is correct
9 Correct 101 ms 356 KB Output is correct
10 Correct 56 ms 376 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 632 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 2 ms 632 KB Output is correct
4 Correct 3 ms 680 KB Output is correct
5 Correct 3 ms 636 KB Output is correct
6 Correct 2 ms 632 KB Output is correct
7 Correct 3 ms 632 KB Output is correct
8 Correct 3 ms 632 KB Output is correct
9 Correct 2 ms 632 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 504 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 504 KB Output is correct
14 Correct 6 ms 632 KB Output is correct
15 Correct 2 ms 504 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 632 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 2 ms 632 KB Output is correct
4 Correct 3 ms 680 KB Output is correct
5 Correct 3 ms 636 KB Output is correct
6 Correct 2 ms 632 KB Output is correct
7 Correct 3 ms 632 KB Output is correct
8 Correct 3 ms 632 KB Output is correct
9 Correct 2 ms 632 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 504 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 504 KB Output is correct
14 Correct 6 ms 632 KB Output is correct
15 Correct 2 ms 504 KB Output is correct
16 Correct 36 ms 4984 KB Output is correct
17 Correct 73 ms 360 KB Output is correct
18 Correct 108 ms 5292 KB Output is correct
19 Correct 120 ms 5112 KB Output is correct
20 Correct 127 ms 5112 KB Output is correct
21 Correct 67 ms 376 KB Output is correct
22 Correct 29 ms 1784 KB Output is correct
23 Correct 55 ms 5216 KB Output is correct
24 Correct 95 ms 5360 KB Output is correct
25 Correct 24 ms 4984 KB Output is correct
26 Correct 61 ms 5112 KB Output is correct
27 Correct 75 ms 5216 KB Output is correct
28 Correct 93 ms 5112 KB Output is correct
29 Correct 30 ms 376 KB Output is correct
30 Correct 18 ms 4472 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 72 ms 376 KB Output is correct
2 Correct 19 ms 256 KB Output is correct
3 Correct 46 ms 380 KB Output is correct
4 Correct 45 ms 256 KB Output is correct
5 Correct 62 ms 256 KB Output is correct
6 Correct 40 ms 360 KB Output is correct
7 Correct 10 ms 256 KB Output is correct
8 Correct 41 ms 376 KB Output is correct
9 Correct 101 ms 356 KB Output is correct
10 Correct 56 ms 376 KB Output is correct
11 Correct 2 ms 632 KB Output is correct
12 Correct 2 ms 504 KB Output is correct
13 Correct 2 ms 632 KB Output is correct
14 Correct 3 ms 680 KB Output is correct
15 Correct 3 ms 636 KB Output is correct
16 Correct 2 ms 632 KB Output is correct
17 Correct 3 ms 632 KB Output is correct
18 Correct 3 ms 632 KB Output is correct
19 Correct 2 ms 632 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 504 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 504 KB Output is correct
24 Correct 6 ms 632 KB Output is correct
25 Correct 2 ms 504 KB Output is correct
26 Correct 36 ms 4984 KB Output is correct
27 Correct 73 ms 360 KB Output is correct
28 Correct 108 ms 5292 KB Output is correct
29 Correct 120 ms 5112 KB Output is correct
30 Correct 127 ms 5112 KB Output is correct
31 Correct 67 ms 376 KB Output is correct
32 Correct 29 ms 1784 KB Output is correct
33 Correct 55 ms 5216 KB Output is correct
34 Correct 95 ms 5360 KB Output is correct
35 Correct 24 ms 4984 KB Output is correct
36 Correct 61 ms 5112 KB Output is correct
37 Correct 75 ms 5216 KB Output is correct
38 Correct 93 ms 5112 KB Output is correct
39 Correct 30 ms 376 KB Output is correct
40 Correct 18 ms 4472 KB Output is correct
41 Runtime error 5 ms 376 KB Execution killed with signal 11 (could be triggered by violating memory limits)
42 Halted 0 ms 0 KB -
# 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 376 KB Output is correct
6 Correct 2 ms 380 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 376 KB Output is correct
10 Correct 19 ms 256 KB Output is correct
11 Correct 46 ms 380 KB Output is correct
12 Correct 45 ms 256 KB Output is correct
13 Correct 62 ms 256 KB Output is correct
14 Correct 40 ms 360 KB Output is correct
15 Correct 10 ms 256 KB Output is correct
16 Correct 41 ms 376 KB Output is correct
17 Correct 101 ms 356 KB Output is correct
18 Correct 56 ms 376 KB Output is correct
19 Correct 2 ms 632 KB Output is correct
20 Correct 2 ms 504 KB Output is correct
21 Correct 2 ms 632 KB Output is correct
22 Correct 3 ms 680 KB Output is correct
23 Correct 3 ms 636 KB Output is correct
24 Correct 2 ms 632 KB Output is correct
25 Correct 3 ms 632 KB Output is correct
26 Correct 3 ms 632 KB Output is correct
27 Correct 2 ms 632 KB Output is correct
28 Correct 2 ms 256 KB Output is correct
29 Correct 2 ms 504 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 504 KB Output is correct
32 Correct 6 ms 632 KB Output is correct
33 Correct 2 ms 504 KB Output is correct
34 Correct 36 ms 4984 KB Output is correct
35 Correct 73 ms 360 KB Output is correct
36 Correct 108 ms 5292 KB Output is correct
37 Correct 120 ms 5112 KB Output is correct
38 Correct 127 ms 5112 KB Output is correct
39 Correct 67 ms 376 KB Output is correct
40 Correct 29 ms 1784 KB Output is correct
41 Correct 55 ms 5216 KB Output is correct
42 Correct 95 ms 5360 KB Output is correct
43 Correct 24 ms 4984 KB Output is correct
44 Correct 61 ms 5112 KB Output is correct
45 Correct 75 ms 5216 KB Output is correct
46 Correct 93 ms 5112 KB Output is correct
47 Correct 30 ms 376 KB Output is correct
48 Correct 18 ms 4472 KB Output is correct
49 Runtime error 5 ms 376 KB Execution killed with signal 11 (could be triggered by violating memory limits)
50 Halted 0 ms 0 KB -