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Submission #551891

# Submission time Handle Problem Language Result Execution time Memory
551891 2022-04-21T20:32:26 Z sidon Chessboard (IZhO18_chessboard) C++17
100 / 100
 390 ms 3532 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)) {

#define c(V) (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 304 KB Output is correct
3 Correct 0 ms 304 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 300 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 66 ms 2364 KB Output is correct
2 Correct 16 ms 852 KB Output is correct
3 Correct 42 ms 1620 KB Output is correct
4 Correct 42 ms 1748 KB Output is correct
5 Correct 55 ms 2072 KB Output is correct
6 Correct 41 ms 1396 KB Output is correct
7 Correct 8 ms 596 KB Output is correct
8 Correct 36 ms 1492 KB Output is correct
9 Correct 90 ms 3124 KB Output is correct
10 Correct 52 ms 1876 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 296 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 308 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 304 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 296 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 308 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 304 KB Output is correct
16 Correct 24 ms 1204 KB Output is correct
17 Correct 67 ms 2996 KB Output is correct
18 Correct 83 ms 3440 KB Output is correct
19 Correct 117 ms 3176 KB Output is correct
20 Correct 130 ms 3492 KB Output is correct
21 Correct 65 ms 2936 KB Output is correct
22 Correct 1 ms 304 KB Output is correct
23 Correct 40 ms 1728 KB Output is correct
24 Correct 75 ms 3220 KB Output is correct
25 Correct 10 ms 596 KB Output is correct
26 Correct 47 ms 2132 KB Output is correct
27 Correct 60 ms 2516 KB Output is correct
28 Correct 79 ms 3388 KB Output is correct
29 Correct 27 ms 1364 KB Output is correct
30 Correct 3 ms 340 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 2364 KB Output is correct
2 Correct 16 ms 852 KB Output is correct
3 Correct 42 ms 1620 KB Output is correct
4 Correct 42 ms 1748 KB Output is correct
5 Correct 55 ms 2072 KB Output is correct
6 Correct 41 ms 1396 KB Output is correct
7 Correct 8 ms 596 KB Output is correct
8 Correct 36 ms 1492 KB Output is correct
9 Correct 90 ms 3124 KB Output is correct
10 Correct 52 ms 1876 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 296 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 308 KB Output is correct
18 Correct 1 ms 212 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 336 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 304 KB Output is correct
26 Correct 24 ms 1204 KB Output is correct
27 Correct 67 ms 2996 KB Output is correct
28 Correct 83 ms 3440 KB Output is correct
29 Correct 117 ms 3176 KB Output is correct
30 Correct 130 ms 3492 KB Output is correct
31 Correct 65 ms 2936 KB Output is correct
32 Correct 1 ms 304 KB Output is correct
33 Correct 40 ms 1728 KB Output is correct
34 Correct 75 ms 3220 KB Output is correct
35 Correct 10 ms 596 KB Output is correct
36 Correct 47 ms 2132 KB Output is correct
37 Correct 60 ms 2516 KB Output is correct
38 Correct 79 ms 3388 KB Output is correct
39 Correct 27 ms 1364 KB Output is correct
40 Correct 3 ms 340 KB Output is correct
41 Correct 132 ms 2976 KB Output is correct
42 Correct 103 ms 3340 KB Output is correct
43 Correct 107 ms 2900 KB Output is correct
44 Correct 98 ms 3252 KB Output is correct
45 Correct 105 ms 3412 KB Output is correct
46 Correct 147 ms 3284 KB Output is correct
47 Correct 89 ms 3028 KB Output is correct
48 Correct 101 ms 3124 KB Output is correct
49 Correct 90 ms 2996 KB Output is correct
50 Correct 346 ms 3256 KB Output is correct
51 Correct 372 ms 3424 KB Output is correct
52 Correct 343 ms 3232 KB Output is correct
53 Correct 365 ms 3412 KB Output is correct
54 Correct 335 ms 3184 KB Output is correct
55 Correct 390 ms 3520 KB Output is correct
56 Correct 337 ms 3148 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 304 KB Output is correct
3 Correct 0 ms 304 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 300 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 66 ms 2364 KB Output is correct
10 Correct 16 ms 852 KB Output is correct
11 Correct 42 ms 1620 KB Output is correct
12 Correct 42 ms 1748 KB Output is correct
13 Correct 55 ms 2072 KB Output is correct
14 Correct 41 ms 1396 KB Output is correct
15 Correct 8 ms 596 KB Output is correct
16 Correct 36 ms 1492 KB Output is correct
17 Correct 90 ms 3124 KB Output is correct
18 Correct 52 ms 1876 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 296 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 308 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 336 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 304 KB Output is correct
34 Correct 24 ms 1204 KB Output is correct
35 Correct 67 ms 2996 KB Output is correct
36 Correct 83 ms 3440 KB Output is correct
37 Correct 117 ms 3176 KB Output is correct
38 Correct 130 ms 3492 KB Output is correct
39 Correct 65 ms 2936 KB Output is correct
40 Correct 1 ms 304 KB Output is correct
41 Correct 40 ms 1728 KB Output is correct
42 Correct 75 ms 3220 KB Output is correct
43 Correct 10 ms 596 KB Output is correct
44 Correct 47 ms 2132 KB Output is correct
45 Correct 60 ms 2516 KB Output is correct
46 Correct 79 ms 3388 KB Output is correct
47 Correct 27 ms 1364 KB Output is correct
48 Correct 3 ms 340 KB Output is correct
49 Correct 132 ms 2976 KB Output is correct
50 Correct 103 ms 3340 KB Output is correct
51 Correct 107 ms 2900 KB Output is correct
52 Correct 98 ms 3252 KB Output is correct
53 Correct 105 ms 3412 KB Output is correct
54 Correct 147 ms 3284 KB Output is correct
55 Correct 89 ms 3028 KB Output is correct
56 Correct 101 ms 3124 KB Output is correct
57 Correct 90 ms 2996 KB Output is correct
58 Correct 346 ms 3256 KB Output is correct
59 Correct 372 ms 3424 KB Output is correct
60 Correct 343 ms 3232 KB Output is correct
61 Correct 365 ms 3412 KB Output is correct
62 Correct 335 ms 3184 KB Output is correct
63 Correct 390 ms 3520 KB Output is correct
64 Correct 337 ms 3148 KB Output is correct
65 Correct 1 ms 212 KB Output is correct
66 Correct 1 ms 212 KB Output is correct
67 Correct 353 ms 3324 KB Output is correct
68 Correct 356 ms 3320 KB Output is correct
69 Correct 312 ms 2924 KB Output is correct
70 Correct 351 ms 3196 KB Output is correct
71 Correct 342 ms 3260 KB Output is correct
72 Correct 338 ms 3116 KB Output is correct
73 Correct 333 ms 3056 KB Output is correct
74 Correct 372 ms 3304 KB Output is correct
75 Correct 347 ms 3156 KB Output is correct
76 Correct 356 ms 3284 KB Output is correct
77 Correct 132 ms 3476 KB Output is correct
78 Correct 93 ms 3156 KB Output is correct
79 Correct 106 ms 3048 KB Output is correct
80 Correct 109 ms 3176 KB Output is correct
81 Correct 102 ms 2952 KB Output is correct
82 Correct 109 ms 3440 KB Output is correct
83 Correct 95 ms 3080 KB Output is correct
84 Correct 253 ms 3412 KB Output is correct
85 Correct 371 ms 3512 KB Output is correct
86 Correct 1 ms 212 KB Output is correct
87 Correct 1 ms 212 KB Output is correct
88 Correct 383 ms 3532 KB Output is correct
89 Correct 76 ms 980 KB Output is correct
90 Correct 1 ms 212 KB Output is correct