oj.uz

Submission #378524

# Submission time Handle Problem Language Result Execution time Memory
378524 2021-03-17T01:25:52 Z syl123456 Chessboard (IZhO18_chessboard) C++17
100 / 100
 788 ms 4460 KB 
#include <bits/stdc++.h>
#define all(i) i.begin(), i.end()
#define rall(i) i.rbegin(), i.rend()
using namespace std;
typedef long long ll;
typedef pair<int, int> pi;
struct sq {
    int u, l, d, r;
    sq() = default;
    sq(int _u, int _l, int _d, int _r) : u(_u), l(_l), d(_d), r(_r) {}
};
int main() {
    ios::sync_with_stdio(0), cin.tie(0);
    int n, k;
    cin >> n >> k;
    sq a[k];
    for (sq &i : a) cin >> i.u >> i.l >> i.d >> i.r;
    auto calc = [](int d, int r, int len) {
        ll tmp[4];
        tmp[0] = 1ll * (d / len) * (r / len) / 2 * len * len;
        tmp[1] = 1ll * (r % len) * ((d / len + (r % (2 * len) < len ? 0 : 1)) / 2) * len;
        tmp[2] = 1ll * (d % len) * ((r / len + (d % (2 * len) < len ? 0 : 1)) / 2) * len;
        tmp[3] = ((d % (2 * len) < len) ^ (r % (2 * len) < len) ? 1ll * (d % len) * (r % len) : 0);
        return tmp[0] + tmp[1] + tmp[2] + tmp[3];
    };
    /*
     * 0101
     * 1010
     * 0101
     * 1010
     */
    ll ans = 1ll * n * n;
    for (int i = 1; i < n; ++i) if (n % i == 0) {
        ll cnt[4]{};
        for (int j = 0; j < k; ++j) {
            ll tmp = calc(a[j].d, a[j].r, i) - calc(a[j].d, a[j].l - 1, i) - calc(a[j].u - 1, a[j].r, i) + calc(a[j].u - 1, a[j].l - 1, i);
            cnt[3] += tmp;
            cnt[1] += 1ll * (a[j].d - a[j].u + 1) * (a[j].r - a[j].l + 1) - tmp;
        }
        cnt[2] = calc(n, n, i) - cnt[3];
        cnt[0] = 1ll * n * n - cnt[1] - cnt[2] - cnt[3];
        ans = min(ans, cnt[1] + cnt[2]);
        ans = min(ans, cnt[0] + cnt[3]);
    }
    cout << ans;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 1260 KB Output is correct
2 Correct 7 ms 620 KB Output is correct
3 Correct 17 ms 1004 KB Output is correct
4 Correct 19 ms 1004 KB Output is correct
5 Correct 23 ms 1132 KB Output is correct
6 Correct 16 ms 876 KB Output is correct
7 Correct 4 ms 492 KB Output is correct
8 Correct 17 ms 876 KB Output is correct
9 Correct 38 ms 1772 KB Output is correct
10 Correct 22 ms 1132 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 13 ms 748 KB Output is correct
17 Correct 31 ms 1644 KB Output is correct
18 Correct 48 ms 1900 KB Output is correct
19 Correct 164 ms 1772 KB Output is correct
20 Correct 175 ms 1900 KB Output is correct
21 Correct 29 ms 1644 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 30 ms 1004 KB Output is correct
24 Correct 43 ms 1772 KB Output is correct
25 Correct 6 ms 492 KB Output is correct
26 Correct 27 ms 1260 KB Output is correct
27 Correct 41 ms 1408 KB Output is correct
28 Correct 46 ms 1772 KB Output is correct
29 Correct 12 ms 876 KB Output is correct
30 Correct 2 ms 364 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 1260 KB Output is correct
2 Correct 7 ms 620 KB Output is correct
3 Correct 17 ms 1004 KB Output is correct
4 Correct 19 ms 1004 KB Output is correct
5 Correct 23 ms 1132 KB Output is correct
6 Correct 16 ms 876 KB Output is correct
7 Correct 4 ms 492 KB Output is correct
8 Correct 17 ms 876 KB Output is correct
9 Correct 38 ms 1772 KB Output is correct
10 Correct 22 ms 1132 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 13 ms 748 KB Output is correct
27 Correct 31 ms 1644 KB Output is correct
28 Correct 48 ms 1900 KB Output is correct
29 Correct 164 ms 1772 KB Output is correct
30 Correct 175 ms 1900 KB Output is correct
31 Correct 29 ms 1644 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 30 ms 1004 KB Output is correct
34 Correct 43 ms 1772 KB Output is correct
35 Correct 6 ms 492 KB Output is correct
36 Correct 27 ms 1260 KB Output is correct
37 Correct 41 ms 1408 KB Output is correct
38 Correct 46 ms 1772 KB Output is correct
39 Correct 12 ms 876 KB Output is correct
40 Correct 2 ms 364 KB Output is correct
41 Correct 141 ms 1644 KB Output is correct
42 Correct 52 ms 1772 KB Output is correct
43 Correct 87 ms 1644 KB Output is correct
44 Correct 52 ms 1772 KB Output is correct
45 Correct 42 ms 1900 KB Output is correct
46 Correct 157 ms 1772 KB Output is correct
47 Correct 38 ms 1644 KB Output is correct
48 Correct 67 ms 1644 KB Output is correct
49 Correct 46 ms 1644 KB Output is correct
50 Correct 686 ms 1900 KB Output is correct
51 Correct 730 ms 1900 KB Output is correct
52 Correct 684 ms 1900 KB Output is correct
53 Correct 732 ms 1900 KB Output is correct
54 Correct 675 ms 1772 KB Output is correct
55 Correct 754 ms 1944 KB Output is correct
56 Correct 650 ms 1772 KB Output is correct

Subtask #6
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 27 ms 1260 KB Output is correct
10 Correct 7 ms 620 KB Output is correct
11 Correct 17 ms 1004 KB Output is correct
12 Correct 19 ms 1004 KB Output is correct
13 Correct 23 ms 1132 KB Output is correct
14 Correct 16 ms 876 KB Output is correct
15 Correct 4 ms 492 KB Output is correct
16 Correct 17 ms 876 KB Output is correct
17 Correct 38 ms 1772 KB Output is correct
18 Correct 22 ms 1132 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 13 ms 748 KB Output is correct
35 Correct 31 ms 1644 KB Output is correct
36 Correct 48 ms 1900 KB Output is correct
37 Correct 164 ms 1772 KB Output is correct
38 Correct 175 ms 1900 KB Output is correct
39 Correct 29 ms 1644 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 30 ms 1004 KB Output is correct
42 Correct 43 ms 1772 KB Output is correct
43 Correct 6 ms 492 KB Output is correct
44 Correct 27 ms 1260 KB Output is correct
45 Correct 41 ms 1408 KB Output is correct
46 Correct 46 ms 1772 KB Output is correct
47 Correct 12 ms 876 KB Output is correct
48 Correct 2 ms 364 KB Output is correct
49 Correct 141 ms 1644 KB Output is correct
50 Correct 52 ms 1772 KB Output is correct
51 Correct 87 ms 1644 KB Output is correct
52 Correct 52 ms 1772 KB Output is correct
53 Correct 42 ms 1900 KB Output is correct
54 Correct 157 ms 1772 KB Output is correct
55 Correct 38 ms 1644 KB Output is correct
56 Correct 67 ms 1644 KB Output is correct
57 Correct 46 ms 1644 KB Output is correct
58 Correct 686 ms 1900 KB Output is correct
59 Correct 730 ms 1900 KB Output is correct
60 Correct 684 ms 1900 KB Output is correct
61 Correct 732 ms 1900 KB Output is correct
62 Correct 675 ms 1772 KB Output is correct
63 Correct 754 ms 1944 KB Output is correct
64 Correct 650 ms 1772 KB Output is correct
65 Correct 1 ms 364 KB Output is correct
66 Correct 0 ms 364 KB Output is correct
67 Correct 753 ms 4100 KB Output is correct
68 Correct 735 ms 4076 KB Output is correct
69 Correct 642 ms 3692 KB Output is correct
70 Correct 717 ms 4076 KB Output is correct
71 Correct 704 ms 3948 KB Output is correct
72 Correct 693 ms 3948 KB Output is correct
73 Correct 690 ms 3760 KB Output is correct
74 Correct 726 ms 4204 KB Output is correct
75 Correct 715 ms 3948 KB Output is correct
76 Correct 768 ms 4128 KB Output is correct
77 Correct 127 ms 4204 KB Output is correct
78 Correct 52 ms 3820 KB Output is correct
79 Correct 89 ms 3692 KB Output is correct
80 Correct 99 ms 3820 KB Output is correct
81 Correct 92 ms 3640 KB Output is correct
82 Correct 82 ms 4076 KB Output is correct
83 Correct 66 ms 3796 KB Output is correct
84 Correct 460 ms 4356 KB Output is correct
85 Correct 776 ms 4204 KB Output is correct
86 Correct 2 ms 364 KB Output is correct
87 Correct 1 ms 364 KB Output is correct
88 Correct 788 ms 4460 KB Output is correct
89 Correct 151 ms 1260 KB Output is correct
90 Correct 1 ms 364 KB Output is correct