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Submission #551892

# Submission time Handle Problem Language Result Execution time Memory
551892 2022-04-21T20:35:14 Z sidon Chessboard (IZhO18_chessboard) C++17
100 / 100
 388 ms 1832 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll int64_t

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

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

		for(auto [i, j, k, l] : a) {
			ll u = k - i + 1, x = c(k) - c(i - 1);
			ll 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, ll(N) * N - cost));
	}
	cout << ans;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 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 212 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 63 ms 1236 KB Output is correct
2 Correct 16 ms 540 KB Output is correct
3 Correct 40 ms 852 KB Output is correct
4 Correct 40 ms 980 KB Output is correct
5 Correct 55 ms 1108 KB Output is correct
6 Correct 35 ms 724 KB Output is correct
7 Correct 8 ms 340 KB Output is correct
8 Correct 36 ms 724 KB Output is correct
9 Correct 91 ms 1620 KB Output is correct
10 Correct 50 ms 1056 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 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 2 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 212 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 212 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 212 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 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 2 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 212 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 212 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 212 KB Output is correct
16 Correct 27 ms 672 KB Output is correct
17 Correct 65 ms 1592 KB Output is correct
18 Correct 80 ms 1820 KB Output is correct
19 Correct 118 ms 1652 KB Output is correct
20 Correct 129 ms 1820 KB Output is correct
21 Correct 72 ms 1612 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 39 ms 852 KB Output is correct
24 Correct 74 ms 1620 KB Output is correct
25 Correct 8 ms 340 KB Output is correct
26 Correct 46 ms 1108 KB Output is correct
27 Correct 57 ms 1332 KB Output is correct
28 Correct 81 ms 1760 KB Output is correct
29 Correct 26 ms 724 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 63 ms 1236 KB Output is correct
2 Correct 16 ms 540 KB Output is correct
3 Correct 40 ms 852 KB Output is correct
4 Correct 40 ms 980 KB Output is correct
5 Correct 55 ms 1108 KB Output is correct
6 Correct 35 ms 724 KB Output is correct
7 Correct 8 ms 340 KB Output is correct
8 Correct 36 ms 724 KB Output is correct
9 Correct 91 ms 1620 KB Output is correct
10 Correct 50 ms 1056 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 2 ms 212 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 212 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 212 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 212 KB Output is correct
26 Correct 27 ms 672 KB Output is correct
27 Correct 65 ms 1592 KB Output is correct
28 Correct 80 ms 1820 KB Output is correct
29 Correct 118 ms 1652 KB Output is correct
30 Correct 129 ms 1820 KB Output is correct
31 Correct 72 ms 1612 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 39 ms 852 KB Output is correct
34 Correct 74 ms 1620 KB Output is correct
35 Correct 8 ms 340 KB Output is correct
36 Correct 46 ms 1108 KB Output is correct
37 Correct 57 ms 1332 KB Output is correct
38 Correct 81 ms 1760 KB Output is correct
39 Correct 26 ms 724 KB Output is correct
40 Correct 3 ms 340 KB Output is correct
41 Correct 126 ms 1584 KB Output is correct
42 Correct 99 ms 1756 KB Output is correct
43 Correct 104 ms 1572 KB Output is correct
44 Correct 97 ms 1620 KB Output is correct
45 Correct 101 ms 1748 KB Output is correct
46 Correct 140 ms 1724 KB Output is correct
47 Correct 87 ms 1620 KB Output is correct
48 Correct 99 ms 1636 KB Output is correct
49 Correct 93 ms 1588 KB Output is correct
50 Correct 340 ms 1692 KB Output is correct
51 Correct 369 ms 1784 KB Output is correct
52 Correct 343 ms 1696 KB Output is correct
53 Correct 366 ms 1748 KB Output is correct
54 Correct 333 ms 1660 KB Output is correct
55 Correct 388 ms 1832 KB Output is correct
56 Correct 361 ms 1620 KB Output is correct

Subtask #6
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 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 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 63 ms 1236 KB Output is correct
10 Correct 16 ms 540 KB Output is correct
11 Correct 40 ms 852 KB Output is correct
12 Correct 40 ms 980 KB Output is correct
13 Correct 55 ms 1108 KB Output is correct
14 Correct 35 ms 724 KB Output is correct
15 Correct 8 ms 340 KB Output is correct
16 Correct 36 ms 724 KB Output is correct
17 Correct 91 ms 1620 KB Output is correct
18 Correct 50 ms 1056 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 2 ms 212 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 212 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 212 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 212 KB Output is correct
34 Correct 27 ms 672 KB Output is correct
35 Correct 65 ms 1592 KB Output is correct
36 Correct 80 ms 1820 KB Output is correct
37 Correct 118 ms 1652 KB Output is correct
38 Correct 129 ms 1820 KB Output is correct
39 Correct 72 ms 1612 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 39 ms 852 KB Output is correct
42 Correct 74 ms 1620 KB Output is correct
43 Correct 8 ms 340 KB Output is correct
44 Correct 46 ms 1108 KB Output is correct
45 Correct 57 ms 1332 KB Output is correct
46 Correct 81 ms 1760 KB Output is correct
47 Correct 26 ms 724 KB Output is correct
48 Correct 3 ms 340 KB Output is correct
49 Correct 126 ms 1584 KB Output is correct
50 Correct 99 ms 1756 KB Output is correct
51 Correct 104 ms 1572 KB Output is correct
52 Correct 97 ms 1620 KB Output is correct
53 Correct 101 ms 1748 KB Output is correct
54 Correct 140 ms 1724 KB Output is correct
55 Correct 87 ms 1620 KB Output is correct
56 Correct 99 ms 1636 KB Output is correct
57 Correct 93 ms 1588 KB Output is correct
58 Correct 340 ms 1692 KB Output is correct
59 Correct 369 ms 1784 KB Output is correct
60 Correct 343 ms 1696 KB Output is correct
61 Correct 366 ms 1748 KB Output is correct
62 Correct 333 ms 1660 KB Output is correct
63 Correct 388 ms 1832 KB Output is correct
64 Correct 361 ms 1620 KB Output is correct
65 Correct 0 ms 212 KB Output is correct
66 Correct 0 ms 212 KB Output is correct
67 Correct 356 ms 1728 KB Output is correct
68 Correct 361 ms 1748 KB Output is correct
69 Correct 310 ms 1536 KB Output is correct
70 Correct 354 ms 1672 KB Output is correct
71 Correct 342 ms 1652 KB Output is correct
72 Correct 340 ms 1624 KB Output is correct
73 Correct 328 ms 1620 KB Output is correct
74 Correct 349 ms 1740 KB Output is correct
75 Correct 337 ms 1648 KB Output is correct
76 Correct 360 ms 1752 KB Output is correct
77 Correct 133 ms 1812 KB Output is correct
78 Correct 94 ms 1700 KB Output is correct
79 Correct 108 ms 1600 KB Output is correct
80 Correct 111 ms 1656 KB Output is correct
81 Correct 104 ms 1580 KB Output is correct
82 Correct 109 ms 1756 KB Output is correct
83 Correct 95 ms 1620 KB Output is correct
84 Correct 248 ms 1748 KB Output is correct
85 Correct 375 ms 1748 KB Output is correct
86 Correct 1 ms 212 KB Output is correct
87 Correct 1 ms 212 KB Output is correct
88 Correct 385 ms 1748 KB Output is correct
89 Correct 78 ms 556 KB Output is correct
90 Correct 1 ms 212 KB Output is correct