#include <random>
#include <algorithm>
#include <bitset>
#include <chrono>
#include <cmath>
#include <deque>
#include <fstream>
#include <iomanip>
#include <iostream>
#include <iterator>
#include <map>
#include <queue>
#include <set>
#include <set>
#include <stack>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <vector>
#include <chrono>
#define fr first
#define sc second
#define ad push_back
using namespace std;
using ll = long long;
mt19937 rnd(348502);
const int N = 100005;
pair<ll, ll> ans[N];
void solve()
{
ll n, i, j, x, y, x1, y1, k;
cin >> n >> k;
vector<ll> baj;
baj.push_back(1);
for (i = 2; i * i < n; i++)
{
if (n % i == 0)
{
baj.push_back(i);
baj.push_back(n / i);
}
}
if (i * i == n)
baj.push_back(i);
for (i = 0; i < baj.size(); i++)
{
if ((n / baj[i]) % 2 == 1)
{
ans[i] = { (n / baj[i]) * (n / baj[i]) / 2 * baj[i] * baj[i], ((n / baj[i]) * (n / baj[i]) / 2 + 1) * baj[i] * baj[i] };
}
else
{
ans[i] = { n * n / 2, n * n / 2 };
}
}
for (i = 0; i < k; i++)
{
cin >> x >> y >> x1 >> y1;
for (j = 0; j < baj.size(); j++)
{
ll sev, sptiak;
sev = min((x - 1) / baj[j] * baj[j] + baj[j] + 1, x1 + 1) - x;
sev += max((x1 / baj[j] * baj[j]) - ((x - 1) / baj[j] * baj[j] + baj[j]), 0LL) / baj[j] / 2 * baj[j];
if ((max((x1 / baj[j] * baj[j]) - ((x - 1) / baj[j] * baj[j] + baj[j]), 0LL) / baj[j]) % 2 == 1)
{
sev += x1 - x1 / baj[j] * baj[j];
}
sptiak = x1 - x + 1 - sev;
ll sevy, sptiaky;
sevy = min((y - 1) / baj[j] * baj[j] + baj[j] + 1, y1 + 1) - y;
sevy += max((y1 / baj[j] * baj[j]) - ((y - 1) / baj[j] * baj[j] + baj[j]), 0LL) / baj[j] / 2 * baj[j];
if ((max((y1 / baj[j] * baj[j]) - ((y - 1) / baj[j] * baj[j] + baj[j]), 0LL) / baj[j]) % 2 == 1)
{
sevy += y1 - y1 / baj[j] * baj[j];
}
sptiaky = y1 - y + 1 - sevy;
ll obshisev = sev * sevy + sptiaky * sptiak;
ll obshisptiak = sevy * sptiak + sptiaky * sev;
if (((x - 1) / baj[j] + (y - 1) / baj[j]) % 2 == 1)
{
ans[j].first -= obshisev - obshisptiak;
ans[j].second -= obshisptiak - obshisev;
}
else
{
ans[j].first -= obshisptiak - obshisev;
ans[j].second -= obshisev - obshisptiak;
}
}
}
ll anss = 1e18;
for (i = 0; i < baj.size(); i++)
{
anss = min(anss, min(ans[i].first, ans[i].second));
}
cout << anss;
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
int tt = 1;
//cin >> tt;
while (tt--) {
solve();
}
return 0;
}
Compilation message
chessboard.cpp: In function 'void solve()':
chessboard.cpp:48:19: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
48 | for (i = 0; i < baj.size(); i++)
| ~~^~~~~~~~~~~~
chessboard.cpp:62:23: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
62 | for (j = 0; j < baj.size(); j++)
| ~~^~~~~~~~~~~~
chessboard.cpp:95:19: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
95 | for (i = 0; i < baj.size(); i++)
| ~~^~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 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 |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
17 ms |
468 KB |
Output is correct |
2 |
Correct |
5 ms |
604 KB |
Output is correct |
3 |
Correct |
12 ms |
1220 KB |
Output is correct |
4 |
Correct |
11 ms |
1116 KB |
Output is correct |
5 |
Correct |
15 ms |
1628 KB |
Output is correct |
6 |
Correct |
10 ms |
1368 KB |
Output is correct |
7 |
Correct |
3 ms |
480 KB |
Output is correct |
8 |
Correct |
11 ms |
1368 KB |
Output is correct |
9 |
Correct |
23 ms |
2396 KB |
Output is correct |
10 |
Correct |
14 ms |
1624 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
604 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
344 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
372 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
604 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
344 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
372 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
10 ms |
856 KB |
Output is correct |
17 |
Correct |
18 ms |
1620 KB |
Output is correct |
18 |
Correct |
29 ms |
1852 KB |
Output is correct |
19 |
Correct |
72 ms |
1836 KB |
Output is correct |
20 |
Correct |
80 ms |
1984 KB |
Output is correct |
21 |
Correct |
18 ms |
1628 KB |
Output is correct |
22 |
Correct |
1 ms |
360 KB |
Output is correct |
23 |
Correct |
16 ms |
1168 KB |
Output is correct |
24 |
Correct |
24 ms |
1748 KB |
Output is correct |
25 |
Correct |
4 ms |
616 KB |
Output is correct |
26 |
Correct |
16 ms |
1380 KB |
Output is correct |
27 |
Correct |
22 ms |
1352 KB |
Output is correct |
28 |
Correct |
26 ms |
1992 KB |
Output is correct |
29 |
Correct |
8 ms |
1000 KB |
Output is correct |
30 |
Correct |
1 ms |
356 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
17 ms |
468 KB |
Output is correct |
2 |
Correct |
5 ms |
604 KB |
Output is correct |
3 |
Correct |
12 ms |
1220 KB |
Output is correct |
4 |
Correct |
11 ms |
1116 KB |
Output is correct |
5 |
Correct |
15 ms |
1628 KB |
Output is correct |
6 |
Correct |
10 ms |
1368 KB |
Output is correct |
7 |
Correct |
3 ms |
480 KB |
Output is correct |
8 |
Correct |
11 ms |
1368 KB |
Output is correct |
9 |
Correct |
23 ms |
2396 KB |
Output is correct |
10 |
Correct |
14 ms |
1624 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 |
604 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
344 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
344 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
1 ms |
344 KB |
Output is correct |
23 |
Correct |
1 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
372 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
10 ms |
856 KB |
Output is correct |
27 |
Correct |
18 ms |
1620 KB |
Output is correct |
28 |
Correct |
29 ms |
1852 KB |
Output is correct |
29 |
Correct |
72 ms |
1836 KB |
Output is correct |
30 |
Correct |
80 ms |
1984 KB |
Output is correct |
31 |
Correct |
18 ms |
1628 KB |
Output is correct |
32 |
Correct |
1 ms |
360 KB |
Output is correct |
33 |
Correct |
16 ms |
1168 KB |
Output is correct |
34 |
Correct |
24 ms |
1748 KB |
Output is correct |
35 |
Correct |
4 ms |
616 KB |
Output is correct |
36 |
Correct |
16 ms |
1380 KB |
Output is correct |
37 |
Correct |
22 ms |
1352 KB |
Output is correct |
38 |
Correct |
26 ms |
1992 KB |
Output is correct |
39 |
Correct |
8 ms |
1000 KB |
Output is correct |
40 |
Correct |
1 ms |
356 KB |
Output is correct |
41 |
Correct |
65 ms |
2400 KB |
Output is correct |
42 |
Correct |
29 ms |
2652 KB |
Output is correct |
43 |
Correct |
42 ms |
2452 KB |
Output is correct |
44 |
Correct |
34 ms |
2396 KB |
Output is correct |
45 |
Correct |
25 ms |
2652 KB |
Output is correct |
46 |
Correct |
72 ms |
2628 KB |
Output is correct |
47 |
Correct |
23 ms |
2396 KB |
Output is correct |
48 |
Correct |
35 ms |
2368 KB |
Output is correct |
49 |
Correct |
26 ms |
2392 KB |
Output is correct |
50 |
Correct |
287 ms |
2624 KB |
Output is correct |
51 |
Correct |
305 ms |
2608 KB |
Output is correct |
52 |
Correct |
288 ms |
2384 KB |
Output is correct |
53 |
Correct |
303 ms |
2500 KB |
Output is correct |
54 |
Correct |
286 ms |
2388 KB |
Output is correct |
55 |
Correct |
315 ms |
2732 KB |
Output is correct |
56 |
Correct |
275 ms |
2488 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 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 |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
17 ms |
468 KB |
Output is correct |
10 |
Correct |
5 ms |
604 KB |
Output is correct |
11 |
Correct |
12 ms |
1220 KB |
Output is correct |
12 |
Correct |
11 ms |
1116 KB |
Output is correct |
13 |
Correct |
15 ms |
1628 KB |
Output is correct |
14 |
Correct |
10 ms |
1368 KB |
Output is correct |
15 |
Correct |
3 ms |
480 KB |
Output is correct |
16 |
Correct |
11 ms |
1368 KB |
Output is correct |
17 |
Correct |
23 ms |
2396 KB |
Output is correct |
18 |
Correct |
14 ms |
1624 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 |
1 ms |
604 KB |
Output is correct |
23 |
Correct |
1 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
344 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
27 |
Correct |
0 ms |
348 KB |
Output is correct |
28 |
Correct |
0 ms |
344 KB |
Output is correct |
29 |
Correct |
1 ms |
348 KB |
Output is correct |
30 |
Correct |
1 ms |
344 KB |
Output is correct |
31 |
Correct |
1 ms |
348 KB |
Output is correct |
32 |
Correct |
1 ms |
372 KB |
Output is correct |
33 |
Correct |
1 ms |
348 KB |
Output is correct |
34 |
Correct |
10 ms |
856 KB |
Output is correct |
35 |
Correct |
18 ms |
1620 KB |
Output is correct |
36 |
Correct |
29 ms |
1852 KB |
Output is correct |
37 |
Correct |
72 ms |
1836 KB |
Output is correct |
38 |
Correct |
80 ms |
1984 KB |
Output is correct |
39 |
Correct |
18 ms |
1628 KB |
Output is correct |
40 |
Correct |
1 ms |
360 KB |
Output is correct |
41 |
Correct |
16 ms |
1168 KB |
Output is correct |
42 |
Correct |
24 ms |
1748 KB |
Output is correct |
43 |
Correct |
4 ms |
616 KB |
Output is correct |
44 |
Correct |
16 ms |
1380 KB |
Output is correct |
45 |
Correct |
22 ms |
1352 KB |
Output is correct |
46 |
Correct |
26 ms |
1992 KB |
Output is correct |
47 |
Correct |
8 ms |
1000 KB |
Output is correct |
48 |
Correct |
1 ms |
356 KB |
Output is correct |
49 |
Correct |
65 ms |
2400 KB |
Output is correct |
50 |
Correct |
29 ms |
2652 KB |
Output is correct |
51 |
Correct |
42 ms |
2452 KB |
Output is correct |
52 |
Correct |
34 ms |
2396 KB |
Output is correct |
53 |
Correct |
25 ms |
2652 KB |
Output is correct |
54 |
Correct |
72 ms |
2628 KB |
Output is correct |
55 |
Correct |
23 ms |
2396 KB |
Output is correct |
56 |
Correct |
35 ms |
2368 KB |
Output is correct |
57 |
Correct |
26 ms |
2392 KB |
Output is correct |
58 |
Correct |
287 ms |
2624 KB |
Output is correct |
59 |
Correct |
305 ms |
2608 KB |
Output is correct |
60 |
Correct |
288 ms |
2384 KB |
Output is correct |
61 |
Correct |
303 ms |
2500 KB |
Output is correct |
62 |
Correct |
286 ms |
2388 KB |
Output is correct |
63 |
Correct |
315 ms |
2732 KB |
Output is correct |
64 |
Correct |
275 ms |
2488 KB |
Output is correct |
65 |
Correct |
0 ms |
348 KB |
Output is correct |
66 |
Correct |
0 ms |
348 KB |
Output is correct |
67 |
Correct |
314 ms |
2484 KB |
Output is correct |
68 |
Correct |
314 ms |
2864 KB |
Output is correct |
69 |
Correct |
272 ms |
2384 KB |
Output is correct |
70 |
Correct |
312 ms |
2384 KB |
Output is correct |
71 |
Correct |
301 ms |
2588 KB |
Output is correct |
72 |
Correct |
293 ms |
2484 KB |
Output is correct |
73 |
Correct |
289 ms |
2644 KB |
Output is correct |
74 |
Correct |
310 ms |
2640 KB |
Output is correct |
75 |
Correct |
305 ms |
2356 KB |
Output is correct |
76 |
Correct |
324 ms |
2720 KB |
Output is correct |
77 |
Correct |
62 ms |
2644 KB |
Output is correct |
78 |
Correct |
28 ms |
2744 KB |
Output is correct |
79 |
Correct |
44 ms |
2364 KB |
Output is correct |
80 |
Correct |
46 ms |
2360 KB |
Output is correct |
81 |
Correct |
43 ms |
2384 KB |
Output is correct |
82 |
Correct |
40 ms |
2492 KB |
Output is correct |
83 |
Correct |
32 ms |
2488 KB |
Output is correct |
84 |
Correct |
195 ms |
2736 KB |
Output is correct |
85 |
Correct |
332 ms |
2640 KB |
Output is correct |
86 |
Correct |
1 ms |
348 KB |
Output is correct |
87 |
Correct |
0 ms |
348 KB |
Output is correct |
88 |
Correct |
336 ms |
2640 KB |
Output is correct |
89 |
Correct |
64 ms |
908 KB |
Output is correct |
90 |
Correct |
1 ms |
344 KB |
Output is correct |