#include<bits/stdc++.h>
using namespace std;
//#pragma gcc optimize("Ofast,unroll-loops")
//#pragma gcc target("sse,sse2,sse3,ssse3,sse4,avx,avx2,fma,abm,mmx,popcnt,tune=native")
//#define int long long
//#define double long double
#define MP make_pair
#define F first
#define S second
#define MOD 1000000007
signed main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
int N, K;
cin >> N >> K;
vector<pair<int, int>> B(K);
for (auto &p : B)
cin >> p.F >> p.S >> p.F >> p.S, p.F--, p.S--;
vector<int> fac = {1};
for (int i = 2; i * i <= N; i++)
if (N % i == 0)
{
if (i * i != N)
fac.push_back(i);
fac.push_back(N / i);
}
long long ans = 9e18;
for (int x : fac)
{
long long wc = (long long)(N / x) * (N / x) / 2 * x * x, bc = (long long)N * N - wc;
for (auto p : B)
if ((p.F / x + p.S / x) % 2)
wc--, bc++;
else
wc++, bc--;
ans = min({ans, wc, bc});
}
cout << ans << '\n';
return 0;
}
// * * ***** * * * * **** **** **** ** **
// * * * ** * * * * * * * * * * *
// ***** ***** * * * * * * **** * * * *
// * * * * ** * * * * * * ***** *
// * * ***** * * *** **** * * **** * *****
// ***** ***** * * * ***** * * ***** *****
// * * * * * * * ** * * * *
// * * * ***** * * * * * * *****
// * * * * * * * * ** * *
// **** ***** * ***** ***** * * * *
# |
결과 |
실행 시간 |
메모리 |
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 |
0 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 |
0 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
23 ms |
876 KB |
Output is correct |
2 |
Correct |
7 ms |
492 KB |
Output is correct |
3 |
Correct |
15 ms |
620 KB |
Output is correct |
4 |
Correct |
16 ms |
748 KB |
Output is correct |
5 |
Correct |
20 ms |
748 KB |
Output is correct |
6 |
Correct |
13 ms |
620 KB |
Output is correct |
7 |
Correct |
3 ms |
364 KB |
Output is correct |
8 |
Correct |
15 ms |
620 KB |
Output is correct |
9 |
Correct |
34 ms |
1004 KB |
Output is correct |
10 |
Correct |
19 ms |
768 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
0 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 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
0 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 |
10 ms |
492 KB |
Output is correct |
17 |
Correct |
27 ms |
1004 KB |
Output is correct |
18 |
Correct |
37 ms |
1132 KB |
Output is correct |
19 |
Correct |
64 ms |
1004 KB |
Output is correct |
20 |
Correct |
71 ms |
1132 KB |
Output is correct |
21 |
Correct |
26 ms |
1004 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
20 ms |
620 KB |
Output is correct |
24 |
Correct |
31 ms |
1004 KB |
Output is correct |
25 |
Correct |
4 ms |
364 KB |
Output is correct |
26 |
Correct |
20 ms |
768 KB |
Output is correct |
27 |
Correct |
26 ms |
876 KB |
Output is correct |
28 |
Correct |
33 ms |
1132 KB |
Output is correct |
29 |
Correct |
11 ms |
620 KB |
Output is correct |
30 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
23 ms |
876 KB |
Output is correct |
2 |
Correct |
7 ms |
492 KB |
Output is correct |
3 |
Correct |
15 ms |
620 KB |
Output is correct |
4 |
Correct |
16 ms |
748 KB |
Output is correct |
5 |
Correct |
20 ms |
748 KB |
Output is correct |
6 |
Correct |
13 ms |
620 KB |
Output is correct |
7 |
Correct |
3 ms |
364 KB |
Output is correct |
8 |
Correct |
15 ms |
620 KB |
Output is correct |
9 |
Correct |
34 ms |
1004 KB |
Output is correct |
10 |
Correct |
19 ms |
768 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
0 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 |
10 ms |
492 KB |
Output is correct |
27 |
Correct |
27 ms |
1004 KB |
Output is correct |
28 |
Correct |
37 ms |
1132 KB |
Output is correct |
29 |
Correct |
64 ms |
1004 KB |
Output is correct |
30 |
Correct |
71 ms |
1132 KB |
Output is correct |
31 |
Correct |
26 ms |
1004 KB |
Output is correct |
32 |
Correct |
1 ms |
364 KB |
Output is correct |
33 |
Correct |
20 ms |
620 KB |
Output is correct |
34 |
Correct |
31 ms |
1004 KB |
Output is correct |
35 |
Correct |
4 ms |
364 KB |
Output is correct |
36 |
Correct |
20 ms |
768 KB |
Output is correct |
37 |
Correct |
26 ms |
876 KB |
Output is correct |
38 |
Correct |
33 ms |
1132 KB |
Output is correct |
39 |
Correct |
11 ms |
620 KB |
Output is correct |
40 |
Correct |
1 ms |
364 KB |
Output is correct |
41 |
Correct |
65 ms |
1004 KB |
Output is correct |
42 |
Correct |
39 ms |
1004 KB |
Output is correct |
43 |
Correct |
45 ms |
1004 KB |
Output is correct |
44 |
Correct |
36 ms |
1004 KB |
Output is correct |
45 |
Correct |
36 ms |
1132 KB |
Output is correct |
46 |
Correct |
68 ms |
1004 KB |
Output is correct |
47 |
Correct |
31 ms |
1004 KB |
Output is correct |
48 |
Correct |
40 ms |
1004 KB |
Output is correct |
49 |
Correct |
34 ms |
1004 KB |
Output is correct |
50 |
Correct |
226 ms |
1004 KB |
Output is correct |
51 |
Correct |
240 ms |
1132 KB |
Output is correct |
52 |
Correct |
223 ms |
1004 KB |
Output is correct |
53 |
Correct |
237 ms |
1132 KB |
Output is correct |
54 |
Correct |
217 ms |
1004 KB |
Output is correct |
55 |
Correct |
247 ms |
1132 KB |
Output is correct |
56 |
Correct |
212 ms |
1004 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
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 |
0 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 |
0 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
23 ms |
876 KB |
Output is correct |
10 |
Correct |
7 ms |
492 KB |
Output is correct |
11 |
Correct |
15 ms |
620 KB |
Output is correct |
12 |
Correct |
16 ms |
748 KB |
Output is correct |
13 |
Correct |
20 ms |
748 KB |
Output is correct |
14 |
Correct |
13 ms |
620 KB |
Output is correct |
15 |
Correct |
3 ms |
364 KB |
Output is correct |
16 |
Correct |
15 ms |
620 KB |
Output is correct |
17 |
Correct |
34 ms |
1004 KB |
Output is correct |
18 |
Correct |
19 ms |
768 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
0 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 |
10 ms |
492 KB |
Output is correct |
35 |
Correct |
27 ms |
1004 KB |
Output is correct |
36 |
Correct |
37 ms |
1132 KB |
Output is correct |
37 |
Correct |
64 ms |
1004 KB |
Output is correct |
38 |
Correct |
71 ms |
1132 KB |
Output is correct |
39 |
Correct |
26 ms |
1004 KB |
Output is correct |
40 |
Correct |
1 ms |
364 KB |
Output is correct |
41 |
Correct |
20 ms |
620 KB |
Output is correct |
42 |
Correct |
31 ms |
1004 KB |
Output is correct |
43 |
Correct |
4 ms |
364 KB |
Output is correct |
44 |
Correct |
20 ms |
768 KB |
Output is correct |
45 |
Correct |
26 ms |
876 KB |
Output is correct |
46 |
Correct |
33 ms |
1132 KB |
Output is correct |
47 |
Correct |
11 ms |
620 KB |
Output is correct |
48 |
Correct |
1 ms |
364 KB |
Output is correct |
49 |
Correct |
65 ms |
1004 KB |
Output is correct |
50 |
Correct |
39 ms |
1004 KB |
Output is correct |
51 |
Correct |
45 ms |
1004 KB |
Output is correct |
52 |
Correct |
36 ms |
1004 KB |
Output is correct |
53 |
Correct |
36 ms |
1132 KB |
Output is correct |
54 |
Correct |
68 ms |
1004 KB |
Output is correct |
55 |
Correct |
31 ms |
1004 KB |
Output is correct |
56 |
Correct |
40 ms |
1004 KB |
Output is correct |
57 |
Correct |
34 ms |
1004 KB |
Output is correct |
58 |
Correct |
226 ms |
1004 KB |
Output is correct |
59 |
Correct |
240 ms |
1132 KB |
Output is correct |
60 |
Correct |
223 ms |
1004 KB |
Output is correct |
61 |
Correct |
237 ms |
1132 KB |
Output is correct |
62 |
Correct |
217 ms |
1004 KB |
Output is correct |
63 |
Correct |
247 ms |
1132 KB |
Output is correct |
64 |
Correct |
212 ms |
1004 KB |
Output is correct |
65 |
Correct |
0 ms |
364 KB |
Output is correct |
66 |
Incorrect |
0 ms |
364 KB |
Output isn't correct |
67 |
Halted |
0 ms |
0 KB |
- |