oj.uz

Submission #379141

# Submission time Handle Problem Language Result Execution time Memory
379141 2021-03-17T10:24:47 Z dannyboy20031204 Chessboard (IZhO18_chessboard) C++17
100 / 100
 283 ms 5356 KB 
#include<bits/stdc++.h>
#define ll long long
#define fi first
#define se second
#define z return 0;
using namespace std;
const int N = 1e5 + 5;
ll inf = 1e11 + 1; //
int main(){
    ios::sync_with_stdio(0), cin.tie(0);
    int n, k;
    cin >> n >> k;
    int a[k], b[k], c[k], d[k];
    for (int i = 0; i < k; i++) cin >> a[i] >> b[i] >> c[i] >> d[i];
    ll ans = inf;
    for (int l = 1; l < n; l++){
        if (n % l) continue;
        int l2 = n / l;
        ll tmp = 1ll * l * l * (1ll * l2 * l2 / 2), tmp2 = tmp + 1ll * l * l * (l2 % 2);
        swap(tmp, tmp2);
        int d0[n + 2]{}, d1[n + 2]{}, pre[n + 1]{};
        for (int i = 1; i <= n; i++){
            pre[i] = pre[i - 1] + (i % (l * 2) > 0 and i % (l * 2) <= l);
        }
        for (int i = 0; i < k; i++){
            int p = pre[c[i]] - pre[a[i] - 1], p2 = c[i] - a[i] + 1 - p;
            d0[b[i]] += p;
            d0[d[i] + 1] -= p;
            d1[b[i]] += p2;
            d1[d[i] + 1] -= p2;
        }
        ll pre0 = 0, pre1 = 0;
        for (int i = 1; i <= n; i++){
            pre0 += d0[i], pre1 += d1[i];
            if (i % (l * 2) > 0 and i % (l * 2) <= l){
                tmp += pre1 - pre0;
                tmp2 += pre0 - pre1;
            }
            else{
                tmp2 += pre1 - pre0;
                tmp += pre0 - pre1;
            }
        }
        ans = min({ans, tmp, tmp2});
    }
    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 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 0 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 1 ms 512 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 2028 KB Output is correct
2 Correct 7 ms 1132 KB Output is correct
3 Correct 18 ms 2796 KB Output is correct
4 Correct 17 ms 1900 KB Output is correct
5 Correct 23 ms 3180 KB Output is correct
6 Correct 15 ms 2284 KB Output is correct
7 Correct 4 ms 876 KB Output is correct
8 Correct 15 ms 2284 KB Output is correct
9 Correct 39 ms 4224 KB Output is correct
10 Correct 26 ms 2668 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 384 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 384 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 9 ms 876 KB Output is correct
17 Correct 28 ms 1644 KB Output is correct
18 Correct 35 ms 1900 KB Output is correct
19 Correct 46 ms 1772 KB Output is correct
20 Correct 43 ms 1900 KB Output is correct
21 Correct 26 ms 1644 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 15 ms 1004 KB Output is correct
24 Correct 30 ms 1772 KB Output is correct
25 Correct 3 ms 492 KB Output is correct
26 Correct 18 ms 1260 KB Output is correct
27 Correct 23 ms 1388 KB Output is correct
28 Correct 31 ms 1772 KB Output is correct
29 Correct 11 ms 876 KB Output is correct
30 Correct 1 ms 364 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 2028 KB Output is correct
2 Correct 7 ms 1132 KB Output is correct
3 Correct 18 ms 2796 KB Output is correct
4 Correct 17 ms 1900 KB Output is correct
5 Correct 23 ms 3180 KB Output is correct
6 Correct 15 ms 2284 KB Output is correct
7 Correct 4 ms 876 KB Output is correct
8 Correct 15 ms 2284 KB Output is correct
9 Correct 39 ms 4224 KB Output is correct
10 Correct 26 ms 2668 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 384 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 9 ms 876 KB Output is correct
27 Correct 28 ms 1644 KB Output is correct
28 Correct 35 ms 1900 KB Output is correct
29 Correct 46 ms 1772 KB Output is correct
30 Correct 43 ms 1900 KB Output is correct
31 Correct 26 ms 1644 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 15 ms 1004 KB Output is correct
34 Correct 30 ms 1772 KB Output is correct
35 Correct 3 ms 492 KB Output is correct
36 Correct 18 ms 1260 KB Output is correct
37 Correct 23 ms 1388 KB Output is correct
38 Correct 31 ms 1772 KB Output is correct
39 Correct 11 ms 876 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 85 ms 4844 KB Output is correct
42 Correct 49 ms 5228 KB Output is correct
43 Correct 55 ms 4844 KB Output is correct
44 Correct 42 ms 5236 KB Output is correct
45 Correct 51 ms 5356 KB Output is correct
46 Correct 85 ms 5228 KB Output is correct
47 Correct 36 ms 4844 KB Output is correct
48 Correct 48 ms 4972 KB Output is correct
49 Correct 39 ms 4844 KB Output is correct
50 Correct 267 ms 4844 KB Output is correct
51 Correct 276 ms 5228 KB Output is correct
52 Correct 268 ms 4864 KB Output is correct
53 Correct 273 ms 5100 KB Output is correct
54 Correct 263 ms 4844 KB Output is correct
55 Correct 278 ms 5356 KB Output is correct
56 Correct 263 ms 4844 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 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 0 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 1 ms 512 KB Output is correct
9 Correct 26 ms 2028 KB Output is correct
10 Correct 7 ms 1132 KB Output is correct
11 Correct 18 ms 2796 KB Output is correct
12 Correct 17 ms 1900 KB Output is correct
13 Correct 23 ms 3180 KB Output is correct
14 Correct 15 ms 2284 KB Output is correct
15 Correct 4 ms 876 KB Output is correct
16 Correct 15 ms 2284 KB Output is correct
17 Correct 39 ms 4224 KB Output is correct
18 Correct 26 ms 2668 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 384 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 9 ms 876 KB Output is correct
35 Correct 28 ms 1644 KB Output is correct
36 Correct 35 ms 1900 KB Output is correct
37 Correct 46 ms 1772 KB Output is correct
38 Correct 43 ms 1900 KB Output is correct
39 Correct 26 ms 1644 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 15 ms 1004 KB Output is correct
42 Correct 30 ms 1772 KB Output is correct
43 Correct 3 ms 492 KB Output is correct
44 Correct 18 ms 1260 KB Output is correct
45 Correct 23 ms 1388 KB Output is correct
46 Correct 31 ms 1772 KB Output is correct
47 Correct 11 ms 876 KB Output is correct
48 Correct 1 ms 364 KB Output is correct
49 Correct 85 ms 4844 KB Output is correct
50 Correct 49 ms 5228 KB Output is correct
51 Correct 55 ms 4844 KB Output is correct
52 Correct 42 ms 5236 KB Output is correct
53 Correct 51 ms 5356 KB Output is correct
54 Correct 85 ms 5228 KB Output is correct
55 Correct 36 ms 4844 KB Output is correct
56 Correct 48 ms 4972 KB Output is correct
57 Correct 39 ms 4844 KB Output is correct
58 Correct 267 ms 4844 KB Output is correct
59 Correct 276 ms 5228 KB Output is correct
60 Correct 268 ms 4864 KB Output is correct
61 Correct 273 ms 5100 KB Output is correct
62 Correct 263 ms 4844 KB Output is correct
63 Correct 278 ms 5356 KB Output is correct
64 Correct 263 ms 4844 KB Output is correct
65 Correct 1 ms 364 KB Output is correct
66 Correct 1 ms 324 KB Output is correct
67 Correct 277 ms 4972 KB Output is correct
68 Correct 269 ms 4972 KB Output is correct
69 Correct 255 ms 4588 KB Output is correct
70 Correct 259 ms 4960 KB Output is correct
71 Correct 263 ms 4972 KB Output is correct
72 Correct 261 ms 4844 KB Output is correct
73 Correct 257 ms 4716 KB Output is correct
74 Correct 272 ms 5100 KB Output is correct
75 Correct 258 ms 4856 KB Output is correct
76 Correct 267 ms 4972 KB Output is correct
77 Correct 70 ms 5356 KB Output is correct
78 Correct 43 ms 5248 KB Output is correct
79 Correct 57 ms 4972 KB Output is correct
80 Correct 57 ms 4972 KB Output is correct
81 Correct 54 ms 4844 KB Output is correct
82 Correct 52 ms 5276 KB Output is correct
83 Correct 53 ms 4972 KB Output is correct
84 Correct 188 ms 5356 KB Output is correct
85 Correct 283 ms 5228 KB Output is correct
86 Correct 157 ms 1260 KB Output is correct
87 Correct 156 ms 1260 KB Output is correct
88 Correct 281 ms 5356 KB Output is correct
89 Correct 179 ms 2104 KB Output is correct
90 Correct 158 ms 1260 KB Output is correct