Submission #89992

# Submission time Handle Problem Language Result Execution time Memory
89992 2018-12-19T14:20:29 Z Nodir_Bobiev Chessboard (IZhO18_chessboard) C++14
70 / 100
513 ms 46124 KB
#include <bits/stdc++.h>

# define ll long long
# define fi first
# define se second

using namespace std;

const long long INF = 2e11;
const long long MOD = 1e9 + 7;
const long long N = 1e5 + 10;
const long long Z = 5e4 + 10;

ll n, k, ans = INF;
ll cor[N][4];


ll count(ll m)
{
	ll ret1 = ((n / m) * (n / m) / 2 + (n / m) * (n / m) % 2) * m * m;
	ll ret2 = ((n / m) * (n / m) / 2) * m * m;
	
	for (int i = 1; i <= k; i++){
		ll r = cor[i][2] / m + (cor[i][2] % m != 0); 
		ll c = cor[i][3] / m + (cor[i][3] % m != 0);
		
		if((c + r) % 2 == 0){
			ret1--;
			ret2++;
		}	
		else{
			ret1++;
			ret2--;
		}
	}
	return min(ret1, ret2);	
}



void solve()
{
	cin >> n >> k;
	for (int i = 1 ; i <= k; i++)
		for (int j = 0; j < 4; j++)cin >> cor[i][j];

	for (int i = 1; i < n; i++){
		if(n % i != 0)
			continue;
			
		ans = min(ans, count((ll) i));	
	}
	cout << ans;
}


int main()
{
	int TE = 1;
	ios_base::sync_with_stdio(false);
	//freopen("photo.in", "r", stdin);
	//freopen("photo.out", "w", stdout);
	//cin >> TE;
	while(TE --){
		solve();
	}
	return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 464 KB Output is correct
3 Correct 2 ms 472 KB Output is correct
4 Correct 2 ms 472 KB Output is correct
5 Correct 2 ms 520 KB Output is correct
6 Correct 2 ms 700 KB Output is correct
7 Correct 2 ms 700 KB Output is correct
8 Correct 2 ms 700 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 32 ms 2504 KB Output is correct
2 Correct 10 ms 2504 KB Output is correct
3 Correct 23 ms 2808 KB Output is correct
4 Correct 23 ms 3876 KB Output is correct
5 Correct 30 ms 5380 KB Output is correct
6 Correct 20 ms 5776 KB Output is correct
7 Correct 6 ms 5776 KB Output is correct
8 Correct 19 ms 6552 KB Output is correct
9 Correct 49 ms 10348 KB Output is correct
10 Correct 27 ms 10348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 10348 KB Output is correct
2 Correct 2 ms 10348 KB Output is correct
3 Correct 2 ms 10348 KB Output is correct
4 Correct 3 ms 10348 KB Output is correct
5 Correct 2 ms 10348 KB Output is correct
6 Correct 2 ms 10348 KB Output is correct
7 Correct 3 ms 10348 KB Output is correct
8 Correct 2 ms 10348 KB Output is correct
9 Correct 2 ms 10348 KB Output is correct
10 Correct 2 ms 10348 KB Output is correct
11 Correct 2 ms 10348 KB Output is correct
12 Correct 2 ms 10348 KB Output is correct
13 Correct 3 ms 10348 KB Output is correct
14 Correct 3 ms 10348 KB Output is correct
15 Correct 3 ms 10348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 10348 KB Output is correct
2 Correct 2 ms 10348 KB Output is correct
3 Correct 2 ms 10348 KB Output is correct
4 Correct 3 ms 10348 KB Output is correct
5 Correct 2 ms 10348 KB Output is correct
6 Correct 2 ms 10348 KB Output is correct
7 Correct 3 ms 10348 KB Output is correct
8 Correct 2 ms 10348 KB Output is correct
9 Correct 2 ms 10348 KB Output is correct
10 Correct 2 ms 10348 KB Output is correct
11 Correct 2 ms 10348 KB Output is correct
12 Correct 2 ms 10348 KB Output is correct
13 Correct 3 ms 10348 KB Output is correct
14 Correct 3 ms 10348 KB Output is correct
15 Correct 3 ms 10348 KB Output is correct
16 Correct 16 ms 10348 KB Output is correct
17 Correct 38 ms 13288 KB Output is correct
18 Correct 50 ms 15280 KB Output is correct
19 Correct 125 ms 16496 KB Output is correct
20 Correct 134 ms 18300 KB Output is correct
21 Correct 35 ms 19128 KB Output is correct
22 Correct 2 ms 19128 KB Output is correct
23 Correct 29 ms 19128 KB Output is correct
24 Correct 46 ms 21648 KB Output is correct
25 Correct 8 ms 21648 KB Output is correct
26 Correct 31 ms 21648 KB Output is correct
27 Correct 44 ms 23012 KB Output is correct
28 Correct 49 ms 25128 KB Output is correct
29 Correct 16 ms 25128 KB Output is correct
30 Correct 3 ms 25128 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 32 ms 2504 KB Output is correct
2 Correct 10 ms 2504 KB Output is correct
3 Correct 23 ms 2808 KB Output is correct
4 Correct 23 ms 3876 KB Output is correct
5 Correct 30 ms 5380 KB Output is correct
6 Correct 20 ms 5776 KB Output is correct
7 Correct 6 ms 5776 KB Output is correct
8 Correct 19 ms 6552 KB Output is correct
9 Correct 49 ms 10348 KB Output is correct
10 Correct 27 ms 10348 KB Output is correct
11 Correct 2 ms 10348 KB Output is correct
12 Correct 2 ms 10348 KB Output is correct
13 Correct 2 ms 10348 KB Output is correct
14 Correct 3 ms 10348 KB Output is correct
15 Correct 2 ms 10348 KB Output is correct
16 Correct 2 ms 10348 KB Output is correct
17 Correct 3 ms 10348 KB Output is correct
18 Correct 2 ms 10348 KB Output is correct
19 Correct 2 ms 10348 KB Output is correct
20 Correct 2 ms 10348 KB Output is correct
21 Correct 2 ms 10348 KB Output is correct
22 Correct 2 ms 10348 KB Output is correct
23 Correct 3 ms 10348 KB Output is correct
24 Correct 3 ms 10348 KB Output is correct
25 Correct 3 ms 10348 KB Output is correct
26 Correct 16 ms 10348 KB Output is correct
27 Correct 38 ms 13288 KB Output is correct
28 Correct 50 ms 15280 KB Output is correct
29 Correct 125 ms 16496 KB Output is correct
30 Correct 134 ms 18300 KB Output is correct
31 Correct 35 ms 19128 KB Output is correct
32 Correct 2 ms 19128 KB Output is correct
33 Correct 29 ms 19128 KB Output is correct
34 Correct 46 ms 21648 KB Output is correct
35 Correct 8 ms 21648 KB Output is correct
36 Correct 31 ms 21648 KB Output is correct
37 Correct 44 ms 23012 KB Output is correct
38 Correct 49 ms 25128 KB Output is correct
39 Correct 16 ms 25128 KB Output is correct
40 Correct 3 ms 25128 KB Output is correct
41 Correct 110 ms 25128 KB Output is correct
42 Correct 57 ms 25200 KB Output is correct
43 Correct 73 ms 25200 KB Output is correct
44 Correct 54 ms 25200 KB Output is correct
45 Correct 53 ms 26780 KB Output is correct
46 Correct 123 ms 28828 KB Output is correct
47 Correct 44 ms 30392 KB Output is correct
48 Correct 64 ms 32340 KB Output is correct
49 Correct 50 ms 34256 KB Output is correct
50 Correct 477 ms 36656 KB Output is correct
51 Correct 489 ms 39180 KB Output is correct
52 Correct 456 ms 41088 KB Output is correct
53 Correct 491 ms 43632 KB Output is correct
54 Correct 451 ms 45540 KB Output is correct
55 Correct 513 ms 46124 KB Output is correct
56 Correct 438 ms 46124 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 464 KB Output is correct
3 Correct 2 ms 472 KB Output is correct
4 Correct 2 ms 472 KB Output is correct
5 Correct 2 ms 520 KB Output is correct
6 Correct 2 ms 700 KB Output is correct
7 Correct 2 ms 700 KB Output is correct
8 Correct 2 ms 700 KB Output is correct
9 Correct 32 ms 2504 KB Output is correct
10 Correct 10 ms 2504 KB Output is correct
11 Correct 23 ms 2808 KB Output is correct
12 Correct 23 ms 3876 KB Output is correct
13 Correct 30 ms 5380 KB Output is correct
14 Correct 20 ms 5776 KB Output is correct
15 Correct 6 ms 5776 KB Output is correct
16 Correct 19 ms 6552 KB Output is correct
17 Correct 49 ms 10348 KB Output is correct
18 Correct 27 ms 10348 KB Output is correct
19 Correct 2 ms 10348 KB Output is correct
20 Correct 2 ms 10348 KB Output is correct
21 Correct 2 ms 10348 KB Output is correct
22 Correct 3 ms 10348 KB Output is correct
23 Correct 2 ms 10348 KB Output is correct
24 Correct 2 ms 10348 KB Output is correct
25 Correct 3 ms 10348 KB Output is correct
26 Correct 2 ms 10348 KB Output is correct
27 Correct 2 ms 10348 KB Output is correct
28 Correct 2 ms 10348 KB Output is correct
29 Correct 2 ms 10348 KB Output is correct
30 Correct 2 ms 10348 KB Output is correct
31 Correct 3 ms 10348 KB Output is correct
32 Correct 3 ms 10348 KB Output is correct
33 Correct 3 ms 10348 KB Output is correct
34 Correct 16 ms 10348 KB Output is correct
35 Correct 38 ms 13288 KB Output is correct
36 Correct 50 ms 15280 KB Output is correct
37 Correct 125 ms 16496 KB Output is correct
38 Correct 134 ms 18300 KB Output is correct
39 Correct 35 ms 19128 KB Output is correct
40 Correct 2 ms 19128 KB Output is correct
41 Correct 29 ms 19128 KB Output is correct
42 Correct 46 ms 21648 KB Output is correct
43 Correct 8 ms 21648 KB Output is correct
44 Correct 31 ms 21648 KB Output is correct
45 Correct 44 ms 23012 KB Output is correct
46 Correct 49 ms 25128 KB Output is correct
47 Correct 16 ms 25128 KB Output is correct
48 Correct 3 ms 25128 KB Output is correct
49 Correct 110 ms 25128 KB Output is correct
50 Correct 57 ms 25200 KB Output is correct
51 Correct 73 ms 25200 KB Output is correct
52 Correct 54 ms 25200 KB Output is correct
53 Correct 53 ms 26780 KB Output is correct
54 Correct 123 ms 28828 KB Output is correct
55 Correct 44 ms 30392 KB Output is correct
56 Correct 64 ms 32340 KB Output is correct
57 Correct 50 ms 34256 KB Output is correct
58 Correct 477 ms 36656 KB Output is correct
59 Correct 489 ms 39180 KB Output is correct
60 Correct 456 ms 41088 KB Output is correct
61 Correct 491 ms 43632 KB Output is correct
62 Correct 451 ms 45540 KB Output is correct
63 Correct 513 ms 46124 KB Output is correct
64 Correct 438 ms 46124 KB Output is correct
65 Correct 2 ms 46124 KB Output is correct
66 Incorrect 2 ms 46124 KB Output isn't correct
67 Halted 0 ms 0 KB -