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Submission #551890

# Submission time Handle Problem Language Result Execution time Memory
551890 2022-04-21T20:29:19 Z sidon Chessboard (IZhO18_chessboard) C++17
100 / 100
 419 ms 5788 KB 
#include <bits/stdc++.h>
using namespace std;
#define int int64_t

int32_t main() {
	int N, K; cin >> N >> K;
	int ans = N * N;

	array<int, 4> a[K];
	for(auto &[i, j, k, l] : a)
		cin >> i >> j >> k >> l;

	for(int s = 1; s < N; ++s) if(!(N % s)) {
		auto c = [&](int v) {
			return s * (v / (2 * s)) + min(s, v % (2 * s));
		};

		int cost = c(N) * (N - c(N)) + c(N) * (N - c(N));

		for(auto [i, j, k, l] : a) {
			int u = k - i + 1, x = c(k) - c(i - 1);
			int v = l - j + 1, y = c(l) - c(j - 1);

			cost += 2 * (x * y + (u - x) * (v - y)) - u * v;
		}
		ans = min(ans, min(cost, N * N - cost));
	}
	cout << ans;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 304 KB Output is correct
8 Correct 0 ms 212 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 3628 KB Output is correct
2 Correct 22 ms 1172 KB Output is correct
3 Correct 44 ms 2388 KB Output is correct
4 Correct 45 ms 2504 KB Output is correct
5 Correct 57 ms 3260 KB Output is correct
6 Correct 46 ms 2200 KB Output is correct
7 Correct 11 ms 576 KB Output is correct
8 Correct 41 ms 2188 KB Output is correct
9 Correct 99 ms 5128 KB Output is correct
10 Correct 53 ms 3020 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 312 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 300 KB Output is correct
10 Correct 1 ms 308 KB Output is correct
11 Correct 1 ms 308 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 316 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 312 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 300 KB Output is correct
10 Correct 1 ms 308 KB Output is correct
11 Correct 1 ms 308 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 316 KB Output is correct
16 Correct 24 ms 1492 KB Output is correct
17 Correct 73 ms 4176 KB Output is correct
18 Correct 87 ms 4892 KB Output is correct
19 Correct 122 ms 4468 KB Output is correct
20 Correct 143 ms 4964 KB Output is correct
21 Correct 65 ms 4084 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 48 ms 2248 KB Output is correct
24 Correct 82 ms 4556 KB Output is correct
25 Correct 10 ms 676 KB Output is correct
26 Correct 52 ms 2928 KB Output is correct
27 Correct 66 ms 3412 KB Output is correct
28 Correct 81 ms 4796 KB Output is correct
29 Correct 28 ms 1824 KB Output is correct
30 Correct 3 ms 316 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 3628 KB Output is correct
2 Correct 22 ms 1172 KB Output is correct
3 Correct 44 ms 2388 KB Output is correct
4 Correct 45 ms 2504 KB Output is correct
5 Correct 57 ms 3260 KB Output is correct
6 Correct 46 ms 2200 KB Output is correct
7 Correct 11 ms 576 KB Output is correct
8 Correct 41 ms 2188 KB Output is correct
9 Correct 99 ms 5128 KB Output is correct
10 Correct 53 ms 3020 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 312 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 300 KB Output is correct
20 Correct 1 ms 308 KB Output is correct
21 Correct 1 ms 308 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 316 KB Output is correct
26 Correct 24 ms 1492 KB Output is correct
27 Correct 73 ms 4176 KB Output is correct
28 Correct 87 ms 4892 KB Output is correct
29 Correct 122 ms 4468 KB Output is correct
30 Correct 143 ms 4964 KB Output is correct
31 Correct 65 ms 4084 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 48 ms 2248 KB Output is correct
34 Correct 82 ms 4556 KB Output is correct
35 Correct 10 ms 676 KB Output is correct
36 Correct 52 ms 2928 KB Output is correct
37 Correct 66 ms 3412 KB Output is correct
38 Correct 81 ms 4796 KB Output is correct
39 Correct 28 ms 1824 KB Output is correct
40 Correct 3 ms 316 KB Output is correct
41 Correct 139 ms 4812 KB Output is correct
42 Correct 107 ms 5452 KB Output is correct
43 Correct 123 ms 5000 KB Output is correct
44 Correct 113 ms 5280 KB Output is correct
45 Correct 104 ms 5752 KB Output is correct
46 Correct 151 ms 5476 KB Output is correct
47 Correct 94 ms 4996 KB Output is correct
48 Correct 111 ms 5028 KB Output is correct
49 Correct 100 ms 4800 KB Output is correct
50 Correct 359 ms 5288 KB Output is correct
51 Correct 387 ms 5632 KB Output is correct
52 Correct 352 ms 5252 KB Output is correct
53 Correct 405 ms 5580 KB Output is correct
54 Correct 355 ms 5184 KB Output is correct
55 Correct 419 ms 5788 KB Output is correct
56 Correct 355 ms 5040 KB Output is correct

Subtask #6
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 304 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 70 ms 3628 KB Output is correct
10 Correct 22 ms 1172 KB Output is correct
11 Correct 44 ms 2388 KB Output is correct
12 Correct 45 ms 2504 KB Output is correct
13 Correct 57 ms 3260 KB Output is correct
14 Correct 46 ms 2200 KB Output is correct
15 Correct 11 ms 576 KB Output is correct
16 Correct 41 ms 2188 KB Output is correct
17 Correct 99 ms 5128 KB Output is correct
18 Correct 53 ms 3020 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 312 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 300 KB Output is correct
28 Correct 1 ms 308 KB Output is correct
29 Correct 1 ms 308 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 316 KB Output is correct
34 Correct 24 ms 1492 KB Output is correct
35 Correct 73 ms 4176 KB Output is correct
36 Correct 87 ms 4892 KB Output is correct
37 Correct 122 ms 4468 KB Output is correct
38 Correct 143 ms 4964 KB Output is correct
39 Correct 65 ms 4084 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 48 ms 2248 KB Output is correct
42 Correct 82 ms 4556 KB Output is correct
43 Correct 10 ms 676 KB Output is correct
44 Correct 52 ms 2928 KB Output is correct
45 Correct 66 ms 3412 KB Output is correct
46 Correct 81 ms 4796 KB Output is correct
47 Correct 28 ms 1824 KB Output is correct
48 Correct 3 ms 316 KB Output is correct
49 Correct 139 ms 4812 KB Output is correct
50 Correct 107 ms 5452 KB Output is correct
51 Correct 123 ms 5000 KB Output is correct
52 Correct 113 ms 5280 KB Output is correct
53 Correct 104 ms 5752 KB Output is correct
54 Correct 151 ms 5476 KB Output is correct
55 Correct 94 ms 4996 KB Output is correct
56 Correct 111 ms 5028 KB Output is correct
57 Correct 100 ms 4800 KB Output is correct
58 Correct 359 ms 5288 KB Output is correct
59 Correct 387 ms 5632 KB Output is correct
60 Correct 352 ms 5252 KB Output is correct
61 Correct 405 ms 5580 KB Output is correct
62 Correct 355 ms 5184 KB Output is correct
63 Correct 419 ms 5788 KB Output is correct
64 Correct 355 ms 5040 KB Output is correct
65 Correct 0 ms 300 KB Output is correct
66 Correct 0 ms 212 KB Output is correct
67 Correct 378 ms 5440 KB Output is correct
68 Correct 385 ms 5492 KB Output is correct
69 Correct 321 ms 4892 KB Output is correct
70 Correct 386 ms 5248 KB Output is correct
71 Correct 376 ms 5184 KB Output is correct
72 Correct 345 ms 5016 KB Output is correct
73 Correct 351 ms 4976 KB Output is correct
74 Correct 356 ms 5460 KB Output is correct
75 Correct 369 ms 5172 KB Output is correct
76 Correct 380 ms 5380 KB Output is correct
77 Correct 139 ms 5644 KB Output is correct
78 Correct 115 ms 5164 KB Output is correct
79 Correct 114 ms 4940 KB Output is correct
80 Correct 125 ms 5092 KB Output is correct
81 Correct 127 ms 4792 KB Output is correct
82 Correct 117 ms 5452 KB Output is correct
83 Correct 106 ms 5120 KB Output is correct
84 Correct 265 ms 5580 KB Output is correct
85 Correct 402 ms 5692 KB Output is correct
86 Correct 2 ms 212 KB Output is correct
87 Correct 1 ms 212 KB Output is correct
88 Correct 387 ms 5780 KB Output is correct
89 Correct 82 ms 1316 KB Output is correct
90 Correct 1 ms 212 KB Output is correct