oj.uz

Submission #1112641

# Submission time Handle Problem Language Result Execution time Memory
1112641 2024-11-14T13:23:44 Z MisterReaper Chessboard (IZhO18_chessboard) C++17
100 / 100
 323 ms 5784 KB 
#include <bits/stdc++.h>
 
using i64 = long long;
 
#ifdef DEBUG 
    #include "../../../debug.h"
#else
    #define debug(...) void(23)
#endif

i64 get(i64 a, i64 b, i64 len) {
    i64 ans = 0;
    i64 ma = a % (2 * len);
    i64 mb = b % (2 * len);
    i64 da = a / (2 * len);
    i64 db = b / (2 * len);
    ans += da * db * len * len * 2;
    ans += mb * da * len;
    ans += ma * db * len;
    ans += std::max(0LL, mb - len) * std::min(len, ma);
    ans += std::max(0LL, ma - len) * std::min(len, mb);
    debug(a, b, len, ans);
    return ans;
}

i64 count_good(i64 a, i64 b, i64 c, i64 d, i64 len) {
    return get(c, d, len)
         - get(a, d, len)
         - get(c, b, len)
         + get(a, b, len);
}
 
int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
 
    i64 N, K;
    std::cin >> N >> K;
    std::vector<i64> A(K), B(K), C(K), D(K);
    for (int i = 0; i < K; ++i) {
        std::cin >> A[i] >> B[i] >> C[i] >> D[i];
        --A[i], --B[i];
    }
 
    i64 ans = 2 * N * N;
    for (i64 k = 1; k < N; ++k) {
        if (N % k != 0) {
            continue;
        }
        i64 now = N * N - count_good(0, 0, N, N, k);
        for (int i = 0; i < K; ++i) {
            i64 x = count_good(A[i], B[i], C[i], D[i], k);
            debug(A[i], B[i], C[i], D[i], x);
            now -= ((C[i] - A[i]) * (D[i] - B[i]) - x);
            now += x;
        }
        debug(k, now);
        ans = std::min(ans, std::min(now, N * N - now));
    }
    std::cout << ans << '\n';
 
    return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 2384 KB Output is correct
2 Correct 4 ms 848 KB Output is correct
3 Correct 9 ms 1616 KB Output is correct
4 Correct 11 ms 1872 KB Output is correct
5 Correct 13 ms 2128 KB Output is correct
6 Correct 10 ms 2128 KB Output is correct
7 Correct 2 ms 592 KB Output is correct
8 Correct 8 ms 1360 KB Output is correct
9 Correct 22 ms 3288 KB Output is correct
10 Correct 12 ms 1872 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 504 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 504 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 2 ms 336 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 504 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 504 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 2 ms 336 KB Output is correct
16 Correct 8 ms 1104 KB Output is correct
17 Correct 19 ms 3104 KB Output is correct
18 Correct 32 ms 3408 KB Output is correct
19 Correct 91 ms 3408 KB Output is correct
20 Correct 95 ms 3576 KB Output is correct
21 Correct 18 ms 2896 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 15 ms 1616 KB Output is correct
24 Correct 25 ms 3648 KB Output is correct
25 Correct 3 ms 592 KB Output is correct
26 Correct 14 ms 2128 KB Output is correct
27 Correct 20 ms 2596 KB Output is correct
28 Correct 26 ms 3656 KB Output is correct
29 Correct 8 ms 1360 KB Output is correct
30 Correct 2 ms 336 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 2384 KB Output is correct
2 Correct 4 ms 848 KB Output is correct
3 Correct 9 ms 1616 KB Output is correct
4 Correct 11 ms 1872 KB Output is correct
5 Correct 13 ms 2128 KB Output is correct
6 Correct 10 ms 2128 KB Output is correct
7 Correct 2 ms 592 KB Output is correct
8 Correct 8 ms 1360 KB Output is correct
9 Correct 22 ms 3288 KB Output is correct
10 Correct 12 ms 1872 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 504 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 504 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 2 ms 336 KB Output is correct
26 Correct 8 ms 1104 KB Output is correct
27 Correct 19 ms 3104 KB Output is correct
28 Correct 32 ms 3408 KB Output is correct
29 Correct 91 ms 3408 KB Output is correct
30 Correct 95 ms 3576 KB Output is correct
31 Correct 18 ms 2896 KB Output is correct
32 Correct 1 ms 336 KB Output is correct
33 Correct 15 ms 1616 KB Output is correct
34 Correct 25 ms 3648 KB Output is correct
35 Correct 3 ms 592 KB Output is correct
36 Correct 14 ms 2128 KB Output is correct
37 Correct 20 ms 2596 KB Output is correct
38 Correct 26 ms 3656 KB Output is correct
39 Correct 8 ms 1360 KB Output is correct
40 Correct 2 ms 336 KB Output is correct
41 Correct 59 ms 2896 KB Output is correct
42 Correct 26 ms 3152 KB Output is correct
43 Correct 44 ms 3408 KB Output is correct
44 Correct 26 ms 3152 KB Output is correct
45 Correct 24 ms 3408 KB Output is correct
46 Correct 67 ms 3344 KB Output is correct
47 Correct 34 ms 3152 KB Output is correct
48 Correct 39 ms 3912 KB Output is correct
49 Correct 28 ms 2896 KB Output is correct
50 Correct 276 ms 3876 KB Output is correct
51 Correct 284 ms 5712 KB Output is correct
52 Correct 277 ms 3152 KB Output is correct
53 Correct 279 ms 3408 KB Output is correct
54 Correct 287 ms 5200 KB Output is correct
55 Correct 281 ms 3408 KB Output is correct
56 Correct 257 ms 3152 KB Output is correct

Subtask #6
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 15 ms 2384 KB Output is correct
10 Correct 4 ms 848 KB Output is correct
11 Correct 9 ms 1616 KB Output is correct
12 Correct 11 ms 1872 KB Output is correct
13 Correct 13 ms 2128 KB Output is correct
14 Correct 10 ms 2128 KB Output is correct
15 Correct 2 ms 592 KB Output is correct
16 Correct 8 ms 1360 KB Output is correct
17 Correct 22 ms 3288 KB Output is correct
18 Correct 12 ms 1872 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 504 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 1 ms 336 KB Output is correct
27 Correct 1 ms 504 KB Output is correct
28 Correct 1 ms 336 KB Output is correct
29 Correct 1 ms 336 KB Output is correct
30 Correct 1 ms 336 KB Output is correct
31 Correct 1 ms 336 KB Output is correct
32 Correct 1 ms 336 KB Output is correct
33 Correct 2 ms 336 KB Output is correct
34 Correct 8 ms 1104 KB Output is correct
35 Correct 19 ms 3104 KB Output is correct
36 Correct 32 ms 3408 KB Output is correct
37 Correct 91 ms 3408 KB Output is correct
38 Correct 95 ms 3576 KB Output is correct
39 Correct 18 ms 2896 KB Output is correct
40 Correct 1 ms 336 KB Output is correct
41 Correct 15 ms 1616 KB Output is correct
42 Correct 25 ms 3648 KB Output is correct
43 Correct 3 ms 592 KB Output is correct
44 Correct 14 ms 2128 KB Output is correct
45 Correct 20 ms 2596 KB Output is correct
46 Correct 26 ms 3656 KB Output is correct
47 Correct 8 ms 1360 KB Output is correct
48 Correct 2 ms 336 KB Output is correct
49 Correct 59 ms 2896 KB Output is correct
50 Correct 26 ms 3152 KB Output is correct
51 Correct 44 ms 3408 KB Output is correct
52 Correct 26 ms 3152 KB Output is correct
53 Correct 24 ms 3408 KB Output is correct
54 Correct 67 ms 3344 KB Output is correct
55 Correct 34 ms 3152 KB Output is correct
56 Correct 39 ms 3912 KB Output is correct
57 Correct 28 ms 2896 KB Output is correct
58 Correct 276 ms 3876 KB Output is correct
59 Correct 284 ms 5712 KB Output is correct
60 Correct 277 ms 3152 KB Output is correct
61 Correct 279 ms 3408 KB Output is correct
62 Correct 287 ms 5200 KB Output is correct
63 Correct 281 ms 3408 KB Output is correct
64 Correct 257 ms 3152 KB Output is correct
65 Correct 1 ms 336 KB Output is correct
66 Correct 1 ms 336 KB Output is correct
67 Correct 273 ms 3936 KB Output is correct
68 Correct 286 ms 3152 KB Output is correct
69 Correct 242 ms 4256 KB Output is correct
70 Correct 253 ms 4688 KB Output is correct
71 Correct 240 ms 3152 KB Output is correct
72 Correct 257 ms 3156 KB Output is correct
73 Correct 246 ms 3428 KB Output is correct
74 Correct 268 ms 3152 KB Output is correct
75 Correct 295 ms 3924 KB Output is correct
76 Correct 270 ms 4316 KB Output is correct
77 Correct 57 ms 5704 KB Output is correct
78 Correct 29 ms 3312 KB Output is correct
79 Correct 40 ms 4372 KB Output is correct
80 Correct 46 ms 4476 KB Output is correct
81 Correct 61 ms 2896 KB Output is correct
82 Correct 39 ms 3408 KB Output is correct
83 Correct 51 ms 5060 KB Output is correct
84 Correct 186 ms 5784 KB Output is correct
85 Correct 315 ms 4848 KB Output is correct
86 Correct 2 ms 336 KB Output is correct
87 Correct 1 ms 500 KB Output is correct
88 Correct 323 ms 3568 KB Output is correct
89 Correct 62 ms 1496 KB Output is correct
90 Correct 1 ms 336 KB Output is correct