oj.uz

Submission #910757

# Submission time Handle Problem Language Result Execution time Memory
910757 2024-01-18T07:51:48 Z penguin133 Chessboard (IZhO18_chessboard) C++17
70 / 100
 209 ms 5956 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long
#define pi pair<int, int>
#define pii pair<int, pi>
#define fi first
#define se second
#ifdef _WIN32
#define getchar_unlocked _getchar_nolock
#endif
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
int A[100005], B[100005], C[100005], D[100005];
void solve(){
	int n, k;
	cin >> n >> k;
	for(int i=1;i<=k;i++)cin >> A[i] >> B[i] >> C[i] >> D[i];
	int ans = 1e18;
	for(int i=1;i<n;i++){
		if(n%i)continue;
		int tmp = ((n / i) * (n / i) / 2 * i * i), tmp2 = (((n / i) * (n / i) + 1) / 2 * i * i);
		for(int j=1;j<=k;j++){
			// count number of black rows
			int lol = (A[j] + i - 1) / i, lol2 = (B[j] + i - 1) / i;
			if(lol%2 == lol2%2)tmp2--, tmp++;
			else tmp--, tmp2++;
		}
		//cout << i << ' ' << tmp << ' ' << tmp2 << '\n';
		ans = min({ans, tmp, tmp2});
	}
	cout << ans;
}

main(){
	ios::sync_with_stdio(0);cin.tie(0);
	int tc = 1;
	//cin >> tc;
	for(int tc1=1;tc1<=tc;tc1++){
		// cout << "Case #" << tc1 << ": ";
		solve();
	}
}

Compilation message

chessboard.cpp:34:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   34 | main(){
      | ^~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 1 ms 348 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 4444 KB Output is correct
2 Correct 6 ms 3032 KB Output is correct
3 Correct 12 ms 3932 KB Output is correct
4 Correct 12 ms 3676 KB Output is correct
5 Correct 15 ms 4188 KB Output is correct
6 Correct 10 ms 3676 KB Output is correct
7 Correct 3 ms 2648 KB Output is correct
8 Correct 10 ms 3676 KB Output is correct
9 Correct 28 ms 5516 KB Output is correct
10 Correct 15 ms 4440 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2648 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2648 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2648 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2648 KB Output is correct
16 Correct 7 ms 3164 KB Output is correct
17 Correct 19 ms 4668 KB Output is correct
18 Correct 26 ms 4956 KB Output is correct
19 Correct 51 ms 4700 KB Output is correct
20 Correct 56 ms 4956 KB Output is correct
21 Correct 17 ms 4444 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 13 ms 3676 KB Output is correct
24 Correct 27 ms 4696 KB Output is correct
25 Correct 3 ms 2652 KB Output is correct
26 Correct 16 ms 4000 KB Output is correct
27 Correct 19 ms 4264 KB Output is correct
28 Correct 23 ms 4948 KB Output is correct
29 Correct 8 ms 3424 KB Output is correct
30 Correct 1 ms 2392 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 4444 KB Output is correct
2 Correct 6 ms 3032 KB Output is correct
3 Correct 12 ms 3932 KB Output is correct
4 Correct 12 ms 3676 KB Output is correct
5 Correct 15 ms 4188 KB Output is correct
6 Correct 10 ms 3676 KB Output is correct
7 Correct 3 ms 2648 KB Output is correct
8 Correct 10 ms 3676 KB Output is correct
9 Correct 28 ms 5516 KB Output is correct
10 Correct 15 ms 4440 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2648 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2392 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 2648 KB Output is correct
26 Correct 7 ms 3164 KB Output is correct
27 Correct 19 ms 4668 KB Output is correct
28 Correct 26 ms 4956 KB Output is correct
29 Correct 51 ms 4700 KB Output is correct
30 Correct 56 ms 4956 KB Output is correct
31 Correct 17 ms 4444 KB Output is correct
32 Correct 1 ms 2396 KB Output is correct
33 Correct 13 ms 3676 KB Output is correct
34 Correct 27 ms 4696 KB Output is correct
35 Correct 3 ms 2652 KB Output is correct
36 Correct 16 ms 4000 KB Output is correct
37 Correct 19 ms 4264 KB Output is correct
38 Correct 23 ms 4948 KB Output is correct
39 Correct 8 ms 3424 KB Output is correct
40 Correct 1 ms 2392 KB Output is correct
41 Correct 50 ms 5208 KB Output is correct
42 Correct 32 ms 5504 KB Output is correct
43 Correct 34 ms 5200 KB Output is correct
44 Correct 27 ms 5520 KB Output is correct
45 Correct 26 ms 5720 KB Output is correct
46 Correct 54 ms 5456 KB Output is correct
47 Correct 29 ms 5316 KB Output is correct
48 Correct 31 ms 5460 KB Output is correct
49 Correct 30 ms 5212 KB Output is correct
50 Correct 192 ms 5608 KB Output is correct
51 Correct 207 ms 5848 KB Output is correct
52 Correct 194 ms 5700 KB Output is correct
53 Correct 203 ms 5816 KB Output is correct
54 Correct 187 ms 5536 KB Output is correct
55 Correct 209 ms 5956 KB Output is correct
56 Correct 181 ms 5200 KB Output is correct

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 18 ms 4444 KB Output is correct
10 Correct 6 ms 3032 KB Output is correct
11 Correct 12 ms 3932 KB Output is correct
12 Correct 12 ms 3676 KB Output is correct
13 Correct 15 ms 4188 KB Output is correct
14 Correct 10 ms 3676 KB Output is correct
15 Correct 3 ms 2648 KB Output is correct
16 Correct 10 ms 3676 KB Output is correct
17 Correct 28 ms 5516 KB Output is correct
18 Correct 15 ms 4440 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct
26 Correct 1 ms 2648 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Correct 1 ms 2396 KB Output is correct
30 Correct 1 ms 2396 KB Output is correct
31 Correct 1 ms 2392 KB Output is correct
32 Correct 1 ms 2396 KB Output is correct
33 Correct 1 ms 2648 KB Output is correct
34 Correct 7 ms 3164 KB Output is correct
35 Correct 19 ms 4668 KB Output is correct
36 Correct 26 ms 4956 KB Output is correct
37 Correct 51 ms 4700 KB Output is correct
38 Correct 56 ms 4956 KB Output is correct
39 Correct 17 ms 4444 KB Output is correct
40 Correct 1 ms 2396 KB Output is correct
41 Correct 13 ms 3676 KB Output is correct
42 Correct 27 ms 4696 KB Output is correct
43 Correct 3 ms 2652 KB Output is correct
44 Correct 16 ms 4000 KB Output is correct
45 Correct 19 ms 4264 KB Output is correct
46 Correct 23 ms 4948 KB Output is correct
47 Correct 8 ms 3424 KB Output is correct
48 Correct 1 ms 2392 KB Output is correct
49 Correct 50 ms 5208 KB Output is correct
50 Correct 32 ms 5504 KB Output is correct
51 Correct 34 ms 5200 KB Output is correct
52 Correct 27 ms 5520 KB Output is correct
53 Correct 26 ms 5720 KB Output is correct
54 Correct 54 ms 5456 KB Output is correct
55 Correct 29 ms 5316 KB Output is correct
56 Correct 31 ms 5460 KB Output is correct
57 Correct 30 ms 5212 KB Output is correct
58 Correct 192 ms 5608 KB Output is correct
59 Correct 207 ms 5848 KB Output is correct
60 Correct 194 ms 5700 KB Output is correct
61 Correct 203 ms 5816 KB Output is correct
62 Correct 187 ms 5536 KB Output is correct
63 Correct 209 ms 5956 KB Output is correct
64 Correct 181 ms 5200 KB Output is correct
65 Correct 1 ms 2512 KB Output is correct
66 Incorrect 1 ms 2396 KB Output isn't correct
67 Halted 0 ms 0 KB -