#include <bits/stdc++.h>
using namespace std;
#define ll long long
struct rect {
ll x1, y1, x2, y2;
};
signed main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
vector<rect> a;
ll n, k;
cin >> n >> k;
for (int i = 0; i < k; i++) {
int x1, y1, x2, y2;
cin >> x1 >> y1 >> x2 >> y2;
a.push_back({x1, y1, x2, y2});
}
ll res = n * n;
ll wh_cnt[n + 1], bl_cnt[n + 1];
for (int d = 1; d < n; d++) {
if (n % d) continue;
wh_cnt[0] = 0;
bl_cnt[0] = 0;
for (int i = 1; i <= n; i++) {
int id = (i + d - 1) / d;
wh_cnt[i] = wh_cnt[i - 1];
bl_cnt[i] = bl_cnt[i - 1];
if (id % 2) {
wh_cnt[i]++;
} else {
bl_cnt[i]++;
}
}
ll cur = (n / d) * (n / d) / 2 * d * d;
for (auto [x1, y1, x2, y2] : a) {
cur += (wh_cnt[x2] - wh_cnt[x1 - 1]) * (wh_cnt[y2] - wh_cnt[y1 - 1]) + (bl_cnt[x2] - bl_cnt[x1 - 1]) * (bl_cnt[y2] - bl_cnt[y1 - 1]);
cur -= (wh_cnt[x2] - wh_cnt[x1 - 1]) * (bl_cnt[y2] - bl_cnt[y1 - 1]) + (bl_cnt[x2] - bl_cnt[x1 - 1]) * (wh_cnt[y2] - wh_cnt[y1 - 1]);
}
res = min({res, cur, n * n - cur});
}
cout << res << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
456 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
456 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
18 ms |
4468 KB |
Output is correct |
2 |
Correct |
5 ms |
1756 KB |
Output is correct |
3 |
Correct |
12 ms |
3900 KB |
Output is correct |
4 |
Correct |
11 ms |
3288 KB |
Output is correct |
5 |
Correct |
15 ms |
4052 KB |
Output is correct |
6 |
Correct |
14 ms |
3308 KB |
Output is correct |
7 |
Correct |
3 ms |
1180 KB |
Output is correct |
8 |
Correct |
11 ms |
3320 KB |
Output is correct |
9 |
Correct |
24 ms |
6612 KB |
Output is correct |
10 |
Correct |
19 ms |
3488 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
452 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
344 KB |
Output is correct |
15 |
Correct |
1 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
452 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
344 KB |
Output is correct |
15 |
Correct |
1 ms |
344 KB |
Output is correct |
16 |
Correct |
6 ms |
2012 KB |
Output is correct |
17 |
Correct |
23 ms |
7668 KB |
Output is correct |
18 |
Correct |
29 ms |
6092 KB |
Output is correct |
19 |
Correct |
24 ms |
6864 KB |
Output is correct |
20 |
Correct |
27 ms |
6612 KB |
Output is correct |
21 |
Correct |
18 ms |
6216 KB |
Output is correct |
22 |
Correct |
1 ms |
344 KB |
Output is correct |
23 |
Correct |
10 ms |
3288 KB |
Output is correct |
24 |
Correct |
20 ms |
6428 KB |
Output is correct |
25 |
Correct |
3 ms |
1248 KB |
Output is correct |
26 |
Correct |
13 ms |
3332 KB |
Output is correct |
27 |
Correct |
16 ms |
7632 KB |
Output is correct |
28 |
Correct |
21 ms |
7124 KB |
Output is correct |
29 |
Correct |
8 ms |
3028 KB |
Output is correct |
30 |
Correct |
1 ms |
604 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
18 ms |
4468 KB |
Output is correct |
2 |
Correct |
5 ms |
1756 KB |
Output is correct |
3 |
Correct |
12 ms |
3900 KB |
Output is correct |
4 |
Correct |
11 ms |
3288 KB |
Output is correct |
5 |
Correct |
15 ms |
4052 KB |
Output is correct |
6 |
Correct |
14 ms |
3308 KB |
Output is correct |
7 |
Correct |
3 ms |
1180 KB |
Output is correct |
8 |
Correct |
11 ms |
3320 KB |
Output is correct |
9 |
Correct |
24 ms |
6612 KB |
Output is correct |
10 |
Correct |
19 ms |
3488 KB |
Output is correct |
11 |
Correct |
0 ms |
344 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
452 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
344 KB |
Output is correct |
25 |
Correct |
1 ms |
344 KB |
Output is correct |
26 |
Correct |
6 ms |
2012 KB |
Output is correct |
27 |
Correct |
23 ms |
7668 KB |
Output is correct |
28 |
Correct |
29 ms |
6092 KB |
Output is correct |
29 |
Correct |
24 ms |
6864 KB |
Output is correct |
30 |
Correct |
27 ms |
6612 KB |
Output is correct |
31 |
Correct |
18 ms |
6216 KB |
Output is correct |
32 |
Correct |
1 ms |
344 KB |
Output is correct |
33 |
Correct |
10 ms |
3288 KB |
Output is correct |
34 |
Correct |
20 ms |
6428 KB |
Output is correct |
35 |
Correct |
3 ms |
1248 KB |
Output is correct |
36 |
Correct |
13 ms |
3332 KB |
Output is correct |
37 |
Correct |
16 ms |
7632 KB |
Output is correct |
38 |
Correct |
21 ms |
7124 KB |
Output is correct |
39 |
Correct |
8 ms |
3028 KB |
Output is correct |
40 |
Correct |
1 ms |
604 KB |
Output is correct |
41 |
Correct |
46 ms |
7380 KB |
Output is correct |
42 |
Correct |
28 ms |
7112 KB |
Output is correct |
43 |
Correct |
34 ms |
7648 KB |
Output is correct |
44 |
Correct |
27 ms |
7116 KB |
Output is correct |
45 |
Correct |
26 ms |
7356 KB |
Output is correct |
46 |
Correct |
48 ms |
8076 KB |
Output is correct |
47 |
Correct |
24 ms |
7380 KB |
Output is correct |
48 |
Correct |
38 ms |
7220 KB |
Output is correct |
49 |
Correct |
32 ms |
8404 KB |
Output is correct |
50 |
Correct |
136 ms |
6792 KB |
Output is correct |
51 |
Correct |
141 ms |
7112 KB |
Output is correct |
52 |
Correct |
136 ms |
7892 KB |
Output is correct |
53 |
Correct |
139 ms |
7380 KB |
Output is correct |
54 |
Correct |
133 ms |
7892 KB |
Output is correct |
55 |
Correct |
153 ms |
7224 KB |
Output is correct |
56 |
Correct |
132 ms |
7176 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
456 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
456 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
18 ms |
4468 KB |
Output is correct |
10 |
Correct |
5 ms |
1756 KB |
Output is correct |
11 |
Correct |
12 ms |
3900 KB |
Output is correct |
12 |
Correct |
11 ms |
3288 KB |
Output is correct |
13 |
Correct |
15 ms |
4052 KB |
Output is correct |
14 |
Correct |
14 ms |
3308 KB |
Output is correct |
15 |
Correct |
3 ms |
1180 KB |
Output is correct |
16 |
Correct |
11 ms |
3320 KB |
Output is correct |
17 |
Correct |
24 ms |
6612 KB |
Output is correct |
18 |
Correct |
19 ms |
3488 KB |
Output is correct |
19 |
Correct |
0 ms |
344 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
452 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Correct |
0 ms |
348 KB |
Output is correct |
28 |
Correct |
0 ms |
348 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
0 ms |
348 KB |
Output is correct |
32 |
Correct |
1 ms |
344 KB |
Output is correct |
33 |
Correct |
1 ms |
344 KB |
Output is correct |
34 |
Correct |
6 ms |
2012 KB |
Output is correct |
35 |
Correct |
23 ms |
7668 KB |
Output is correct |
36 |
Correct |
29 ms |
6092 KB |
Output is correct |
37 |
Correct |
24 ms |
6864 KB |
Output is correct |
38 |
Correct |
27 ms |
6612 KB |
Output is correct |
39 |
Correct |
18 ms |
6216 KB |
Output is correct |
40 |
Correct |
1 ms |
344 KB |
Output is correct |
41 |
Correct |
10 ms |
3288 KB |
Output is correct |
42 |
Correct |
20 ms |
6428 KB |
Output is correct |
43 |
Correct |
3 ms |
1248 KB |
Output is correct |
44 |
Correct |
13 ms |
3332 KB |
Output is correct |
45 |
Correct |
16 ms |
7632 KB |
Output is correct |
46 |
Correct |
21 ms |
7124 KB |
Output is correct |
47 |
Correct |
8 ms |
3028 KB |
Output is correct |
48 |
Correct |
1 ms |
604 KB |
Output is correct |
49 |
Correct |
46 ms |
7380 KB |
Output is correct |
50 |
Correct |
28 ms |
7112 KB |
Output is correct |
51 |
Correct |
34 ms |
7648 KB |
Output is correct |
52 |
Correct |
27 ms |
7116 KB |
Output is correct |
53 |
Correct |
26 ms |
7356 KB |
Output is correct |
54 |
Correct |
48 ms |
8076 KB |
Output is correct |
55 |
Correct |
24 ms |
7380 KB |
Output is correct |
56 |
Correct |
38 ms |
7220 KB |
Output is correct |
57 |
Correct |
32 ms |
8404 KB |
Output is correct |
58 |
Correct |
136 ms |
6792 KB |
Output is correct |
59 |
Correct |
141 ms |
7112 KB |
Output is correct |
60 |
Correct |
136 ms |
7892 KB |
Output is correct |
61 |
Correct |
139 ms |
7380 KB |
Output is correct |
62 |
Correct |
133 ms |
7892 KB |
Output is correct |
63 |
Correct |
153 ms |
7224 KB |
Output is correct |
64 |
Correct |
132 ms |
7176 KB |
Output is correct |
65 |
Correct |
0 ms |
344 KB |
Output is correct |
66 |
Correct |
0 ms |
348 KB |
Output is correct |
67 |
Correct |
145 ms |
8272 KB |
Output is correct |
68 |
Correct |
149 ms |
7124 KB |
Output is correct |
69 |
Correct |
125 ms |
7636 KB |
Output is correct |
70 |
Correct |
131 ms |
7124 KB |
Output is correct |
71 |
Correct |
130 ms |
6604 KB |
Output is correct |
72 |
Correct |
134 ms |
6724 KB |
Output is correct |
73 |
Correct |
143 ms |
7112 KB |
Output is correct |
74 |
Correct |
138 ms |
6860 KB |
Output is correct |
75 |
Correct |
129 ms |
7880 KB |
Output is correct |
76 |
Correct |
132 ms |
6856 KB |
Output is correct |
77 |
Correct |
40 ms |
7624 KB |
Output is correct |
78 |
Correct |
29 ms |
7044 KB |
Output is correct |
79 |
Correct |
33 ms |
7620 KB |
Output is correct |
80 |
Correct |
34 ms |
8024 KB |
Output is correct |
81 |
Correct |
33 ms |
7504 KB |
Output is correct |
82 |
Correct |
31 ms |
7208 KB |
Output is correct |
83 |
Correct |
28 ms |
6856 KB |
Output is correct |
84 |
Correct |
110 ms |
7632 KB |
Output is correct |
85 |
Correct |
148 ms |
8148 KB |
Output is correct |
86 |
Correct |
57 ms |
1628 KB |
Output is correct |
87 |
Correct |
58 ms |
1628 KB |
Output is correct |
88 |
Correct |
152 ms |
7468 KB |
Output is correct |
89 |
Correct |
73 ms |
2772 KB |
Output is correct |
90 |
Correct |
57 ms |
1624 KB |
Output is correct |