#include <iostream>
#include <vector>
#include <string>
#include <iomanip>
#include <algorithm>
#include <set>
#include <numeric>
#include <queue>
using namespace std;
#define int long long
struct rect {
int x1, y1, x2, y2;
rect() {}
};
int32_t main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
int n, k;
cin >> n >> k;
vector<rect> r(k);
int S = 0;
for (int i = 0; i < k; ++i) {
cin >> r[i].x1 >> r[i].y1 >> r[i].x2 >> r[i].y2;
--r[i].x1; --r[i].y1; --r[i].x2; --r[i].y2;
S += (r[i].x2 - r[i].x1 + 1) * (r[i].y2 - r[i].y1 + 1);
}
int ans = n * n;
for (int len = 1; len < n; ++len) {
if (n % len) continue;
if (1) {
int cntSide = n / len;
int black = (cntSide * cntSide + 1) / 2 * len * len;
int wrongWhite = 0;
for (rect q : r) {
int par = (q.x1 / len + q.y1 / len) % 2;
if (par == 1) {
wrongWhite++;
}
}
ans = min(ans, wrongWhite * 2 + black - S);
}
if (1) {
int cntSide = n / len;
int black = (cntSide * cntSide) / 2 * len * len;
int wrongWhite = 0;
for (rect q : r) {
int par = (q.x1 / len + q.y1 / len) % 2;
if (par == 0) {
wrongWhite++;
}
}
ans = min(ans, wrongWhite * 2 + black - S);
}
}
cout << ans;
}
/*
6 8
3 3 3 3
1 2 1 2
3 4 3 4
5 5 5 5
4 3 4 3
4 4 4 4
2 1 2 1
3 6 3 6
*/
# |
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 |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
20 ms |
3656 KB |
Output is correct |
2 |
Correct |
6 ms |
1108 KB |
Output is correct |
3 |
Correct |
13 ms |
2388 KB |
Output is correct |
4 |
Correct |
14 ms |
2508 KB |
Output is correct |
5 |
Correct |
22 ms |
3220 KB |
Output is correct |
6 |
Correct |
12 ms |
2116 KB |
Output is correct |
7 |
Correct |
3 ms |
648 KB |
Output is correct |
8 |
Correct |
16 ms |
2164 KB |
Output is correct |
9 |
Correct |
32 ms |
5136 KB |
Output is correct |
10 |
Correct |
17 ms |
3072 KB |
Output is correct |
# |
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 |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
328 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
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 |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
328 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
13 ms |
1604 KB |
Output is correct |
17 |
Correct |
22 ms |
4192 KB |
Output is correct |
18 |
Correct |
30 ms |
5000 KB |
Output is correct |
19 |
Correct |
70 ms |
4392 KB |
Output is correct |
20 |
Correct |
78 ms |
4880 KB |
Output is correct |
21 |
Correct |
21 ms |
4140 KB |
Output is correct |
22 |
Correct |
1 ms |
324 KB |
Output is correct |
23 |
Correct |
17 ms |
2260 KB |
Output is correct |
24 |
Correct |
27 ms |
4572 KB |
Output is correct |
25 |
Correct |
4 ms |
724 KB |
Output is correct |
26 |
Correct |
18 ms |
2940 KB |
Output is correct |
27 |
Correct |
26 ms |
3448 KB |
Output is correct |
28 |
Correct |
30 ms |
4812 KB |
Output is correct |
29 |
Correct |
11 ms |
1876 KB |
Output is correct |
30 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
20 ms |
3656 KB |
Output is correct |
2 |
Correct |
6 ms |
1108 KB |
Output is correct |
3 |
Correct |
13 ms |
2388 KB |
Output is correct |
4 |
Correct |
14 ms |
2508 KB |
Output is correct |
5 |
Correct |
22 ms |
3220 KB |
Output is correct |
6 |
Correct |
12 ms |
2116 KB |
Output is correct |
7 |
Correct |
3 ms |
648 KB |
Output is correct |
8 |
Correct |
16 ms |
2164 KB |
Output is correct |
9 |
Correct |
32 ms |
5136 KB |
Output is correct |
10 |
Correct |
17 ms |
3072 KB |
Output is correct |
11 |
Correct |
0 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 |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
0 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
328 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
13 ms |
1604 KB |
Output is correct |
27 |
Correct |
22 ms |
4192 KB |
Output is correct |
28 |
Correct |
30 ms |
5000 KB |
Output is correct |
29 |
Correct |
70 ms |
4392 KB |
Output is correct |
30 |
Correct |
78 ms |
4880 KB |
Output is correct |
31 |
Correct |
21 ms |
4140 KB |
Output is correct |
32 |
Correct |
1 ms |
324 KB |
Output is correct |
33 |
Correct |
17 ms |
2260 KB |
Output is correct |
34 |
Correct |
27 ms |
4572 KB |
Output is correct |
35 |
Correct |
4 ms |
724 KB |
Output is correct |
36 |
Correct |
18 ms |
2940 KB |
Output is correct |
37 |
Correct |
26 ms |
3448 KB |
Output is correct |
38 |
Correct |
30 ms |
4812 KB |
Output is correct |
39 |
Correct |
11 ms |
1876 KB |
Output is correct |
40 |
Correct |
1 ms |
340 KB |
Output is correct |
41 |
Correct |
69 ms |
4800 KB |
Output is correct |
42 |
Correct |
40 ms |
5448 KB |
Output is correct |
43 |
Correct |
47 ms |
4820 KB |
Output is correct |
44 |
Correct |
35 ms |
5312 KB |
Output is correct |
45 |
Correct |
41 ms |
5652 KB |
Output is correct |
46 |
Correct |
76 ms |
5436 KB |
Output is correct |
47 |
Correct |
28 ms |
4940 KB |
Output is correct |
48 |
Correct |
39 ms |
5072 KB |
Output is correct |
49 |
Correct |
35 ms |
4916 KB |
Output is correct |
50 |
Correct |
287 ms |
5336 KB |
Output is correct |
51 |
Correct |
306 ms |
5568 KB |
Output is correct |
52 |
Correct |
289 ms |
5268 KB |
Output is correct |
53 |
Correct |
303 ms |
5496 KB |
Output is correct |
54 |
Correct |
284 ms |
5096 KB |
Output is correct |
55 |
Correct |
322 ms |
5708 KB |
Output is correct |
56 |
Correct |
268 ms |
4956 KB |
Output is correct |
# |
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 |
1 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 |
20 ms |
3656 KB |
Output is correct |
10 |
Correct |
6 ms |
1108 KB |
Output is correct |
11 |
Correct |
13 ms |
2388 KB |
Output is correct |
12 |
Correct |
14 ms |
2508 KB |
Output is correct |
13 |
Correct |
22 ms |
3220 KB |
Output is correct |
14 |
Correct |
12 ms |
2116 KB |
Output is correct |
15 |
Correct |
3 ms |
648 KB |
Output is correct |
16 |
Correct |
16 ms |
2164 KB |
Output is correct |
17 |
Correct |
32 ms |
5136 KB |
Output is correct |
18 |
Correct |
17 ms |
3072 KB |
Output is correct |
19 |
Correct |
0 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 |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
0 ms |
340 KB |
Output is correct |
28 |
Correct |
1 ms |
212 KB |
Output is correct |
29 |
Correct |
1 ms |
340 KB |
Output is correct |
30 |
Correct |
1 ms |
340 KB |
Output is correct |
31 |
Correct |
1 ms |
340 KB |
Output is correct |
32 |
Correct |
1 ms |
328 KB |
Output is correct |
33 |
Correct |
1 ms |
340 KB |
Output is correct |
34 |
Correct |
13 ms |
1604 KB |
Output is correct |
35 |
Correct |
22 ms |
4192 KB |
Output is correct |
36 |
Correct |
30 ms |
5000 KB |
Output is correct |
37 |
Correct |
70 ms |
4392 KB |
Output is correct |
38 |
Correct |
78 ms |
4880 KB |
Output is correct |
39 |
Correct |
21 ms |
4140 KB |
Output is correct |
40 |
Correct |
1 ms |
324 KB |
Output is correct |
41 |
Correct |
17 ms |
2260 KB |
Output is correct |
42 |
Correct |
27 ms |
4572 KB |
Output is correct |
43 |
Correct |
4 ms |
724 KB |
Output is correct |
44 |
Correct |
18 ms |
2940 KB |
Output is correct |
45 |
Correct |
26 ms |
3448 KB |
Output is correct |
46 |
Correct |
30 ms |
4812 KB |
Output is correct |
47 |
Correct |
11 ms |
1876 KB |
Output is correct |
48 |
Correct |
1 ms |
340 KB |
Output is correct |
49 |
Correct |
69 ms |
4800 KB |
Output is correct |
50 |
Correct |
40 ms |
5448 KB |
Output is correct |
51 |
Correct |
47 ms |
4820 KB |
Output is correct |
52 |
Correct |
35 ms |
5312 KB |
Output is correct |
53 |
Correct |
41 ms |
5652 KB |
Output is correct |
54 |
Correct |
76 ms |
5436 KB |
Output is correct |
55 |
Correct |
28 ms |
4940 KB |
Output is correct |
56 |
Correct |
39 ms |
5072 KB |
Output is correct |
57 |
Correct |
35 ms |
4916 KB |
Output is correct |
58 |
Correct |
287 ms |
5336 KB |
Output is correct |
59 |
Correct |
306 ms |
5568 KB |
Output is correct |
60 |
Correct |
289 ms |
5268 KB |
Output is correct |
61 |
Correct |
303 ms |
5496 KB |
Output is correct |
62 |
Correct |
284 ms |
5096 KB |
Output is correct |
63 |
Correct |
322 ms |
5708 KB |
Output is correct |
64 |
Correct |
268 ms |
4956 KB |
Output is correct |
65 |
Correct |
0 ms |
324 KB |
Output is correct |
66 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
67 |
Halted |
0 ms |
0 KB |
- |