#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
#define pb push_back
#define all(x) x.begin() x.end()
#define MOD (1e9+7)
const int N = 1e6;
ll n, k, ans = 1e18;
vector<pair<int, int>> v;
void solve(){
cin >> n >> k;
int a = 0;
for(int i = 0; i < k; ++i){
int x1, x2, y1, y2; cin >> x1 >> y1 >> x2 >> y2;
v.pb({x1-1,y1-1});
}
for(ll i = 1; i < n; ++i){
if(n % i == 0){
for(int rep = 0; rep < 2; ++rep){
int c = 0;
for(int j = 0; j < k; ++j){
bool type = (v[j].first / i + v[j].second / i) % 2;
if((type ^ rep) == 0) c--;
else c++;
}
ans = min(ans, c + (rep ? (n/i)*(n/i)/2*i*i : ((n/i)*(n/i) + 1)/2*i*i));
}
}
}
cout << ans;
}
int main(){
solve();
return 0;
}
Compilation message
chessboard.cpp: In function 'void solve()':
chessboard.cpp:13:6: warning: unused variable 'a' [-Wunused-variable]
13 | int a = 0;
| ^
# |
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 |
0 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 |
65 ms |
876 KB |
Output is correct |
2 |
Correct |
17 ms |
596 KB |
Output is correct |
3 |
Correct |
45 ms |
924 KB |
Output is correct |
4 |
Correct |
41 ms |
840 KB |
Output is correct |
5 |
Correct |
57 ms |
832 KB |
Output is correct |
6 |
Correct |
37 ms |
848 KB |
Output is correct |
7 |
Correct |
8 ms |
340 KB |
Output is correct |
8 |
Correct |
37 ms |
840 KB |
Output is correct |
9 |
Correct |
90 ms |
1408 KB |
Output is correct |
10 |
Correct |
57 ms |
848 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 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 |
212 KB |
Output is correct |
5 |
Correct |
2 ms |
316 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 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 |
212 KB |
Output is correct |
5 |
Correct |
2 ms |
316 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
24 ms |
596 KB |
Output is correct |
17 |
Correct |
68 ms |
1344 KB |
Output is correct |
18 |
Correct |
87 ms |
1388 KB |
Output is correct |
19 |
Correct |
128 ms |
1340 KB |
Output is correct |
20 |
Correct |
130 ms |
1348 KB |
Output is correct |
21 |
Correct |
66 ms |
1348 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
43 ms |
920 KB |
Output is correct |
24 |
Correct |
78 ms |
1392 KB |
Output is correct |
25 |
Correct |
8 ms |
416 KB |
Output is correct |
26 |
Correct |
52 ms |
844 KB |
Output is correct |
27 |
Correct |
61 ms |
1352 KB |
Output is correct |
28 |
Correct |
82 ms |
1352 KB |
Output is correct |
29 |
Correct |
28 ms |
840 KB |
Output is correct |
30 |
Correct |
3 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
65 ms |
876 KB |
Output is correct |
2 |
Correct |
17 ms |
596 KB |
Output is correct |
3 |
Correct |
45 ms |
924 KB |
Output is correct |
4 |
Correct |
41 ms |
840 KB |
Output is correct |
5 |
Correct |
57 ms |
832 KB |
Output is correct |
6 |
Correct |
37 ms |
848 KB |
Output is correct |
7 |
Correct |
8 ms |
340 KB |
Output is correct |
8 |
Correct |
37 ms |
840 KB |
Output is correct |
9 |
Correct |
90 ms |
1408 KB |
Output is correct |
10 |
Correct |
57 ms |
848 KB |
Output is correct |
11 |
Correct |
1 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 |
212 KB |
Output is correct |
15 |
Correct |
2 ms |
316 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
212 KB |
Output is correct |
26 |
Correct |
24 ms |
596 KB |
Output is correct |
27 |
Correct |
68 ms |
1344 KB |
Output is correct |
28 |
Correct |
87 ms |
1388 KB |
Output is correct |
29 |
Correct |
128 ms |
1340 KB |
Output is correct |
30 |
Correct |
130 ms |
1348 KB |
Output is correct |
31 |
Correct |
66 ms |
1348 KB |
Output is correct |
32 |
Correct |
1 ms |
212 KB |
Output is correct |
33 |
Correct |
43 ms |
920 KB |
Output is correct |
34 |
Correct |
78 ms |
1392 KB |
Output is correct |
35 |
Correct |
8 ms |
416 KB |
Output is correct |
36 |
Correct |
52 ms |
844 KB |
Output is correct |
37 |
Correct |
61 ms |
1352 KB |
Output is correct |
38 |
Correct |
82 ms |
1352 KB |
Output is correct |
39 |
Correct |
28 ms |
840 KB |
Output is correct |
40 |
Correct |
3 ms |
340 KB |
Output is correct |
41 |
Correct |
133 ms |
3140 KB |
Output is correct |
42 |
Correct |
104 ms |
3380 KB |
Output is correct |
43 |
Correct |
112 ms |
3164 KB |
Output is correct |
44 |
Correct |
101 ms |
3232 KB |
Output is correct |
45 |
Correct |
104 ms |
3480 KB |
Output is correct |
46 |
Correct |
146 ms |
3320 KB |
Output is correct |
47 |
Correct |
100 ms |
3212 KB |
Output is correct |
48 |
Correct |
113 ms |
3152 KB |
Output is correct |
49 |
Correct |
102 ms |
3172 KB |
Output is correct |
50 |
Correct |
360 ms |
3188 KB |
Output is correct |
51 |
Correct |
388 ms |
3452 KB |
Output is correct |
52 |
Correct |
374 ms |
3248 KB |
Output is correct |
53 |
Correct |
381 ms |
3420 KB |
Output is correct |
54 |
Correct |
356 ms |
3176 KB |
Output is correct |
55 |
Correct |
410 ms |
3564 KB |
Output is correct |
56 |
Correct |
339 ms |
3128 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 |
0 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 |
65 ms |
876 KB |
Output is correct |
10 |
Correct |
17 ms |
596 KB |
Output is correct |
11 |
Correct |
45 ms |
924 KB |
Output is correct |
12 |
Correct |
41 ms |
840 KB |
Output is correct |
13 |
Correct |
57 ms |
832 KB |
Output is correct |
14 |
Correct |
37 ms |
848 KB |
Output is correct |
15 |
Correct |
8 ms |
340 KB |
Output is correct |
16 |
Correct |
37 ms |
840 KB |
Output is correct |
17 |
Correct |
90 ms |
1408 KB |
Output is correct |
18 |
Correct |
57 ms |
848 KB |
Output is correct |
19 |
Correct |
1 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 |
212 KB |
Output is correct |
23 |
Correct |
2 ms |
316 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
212 KB |
Output is correct |
26 |
Correct |
1 ms |
212 KB |
Output is correct |
27 |
Correct |
1 ms |
212 KB |
Output is correct |
28 |
Correct |
0 ms |
212 KB |
Output is correct |
29 |
Correct |
1 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
212 KB |
Output is correct |
31 |
Correct |
1 ms |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
212 KB |
Output is correct |
33 |
Correct |
1 ms |
212 KB |
Output is correct |
34 |
Correct |
24 ms |
596 KB |
Output is correct |
35 |
Correct |
68 ms |
1344 KB |
Output is correct |
36 |
Correct |
87 ms |
1388 KB |
Output is correct |
37 |
Correct |
128 ms |
1340 KB |
Output is correct |
38 |
Correct |
130 ms |
1348 KB |
Output is correct |
39 |
Correct |
66 ms |
1348 KB |
Output is correct |
40 |
Correct |
1 ms |
212 KB |
Output is correct |
41 |
Correct |
43 ms |
920 KB |
Output is correct |
42 |
Correct |
78 ms |
1392 KB |
Output is correct |
43 |
Correct |
8 ms |
416 KB |
Output is correct |
44 |
Correct |
52 ms |
844 KB |
Output is correct |
45 |
Correct |
61 ms |
1352 KB |
Output is correct |
46 |
Correct |
82 ms |
1352 KB |
Output is correct |
47 |
Correct |
28 ms |
840 KB |
Output is correct |
48 |
Correct |
3 ms |
340 KB |
Output is correct |
49 |
Correct |
133 ms |
3140 KB |
Output is correct |
50 |
Correct |
104 ms |
3380 KB |
Output is correct |
51 |
Correct |
112 ms |
3164 KB |
Output is correct |
52 |
Correct |
101 ms |
3232 KB |
Output is correct |
53 |
Correct |
104 ms |
3480 KB |
Output is correct |
54 |
Correct |
146 ms |
3320 KB |
Output is correct |
55 |
Correct |
100 ms |
3212 KB |
Output is correct |
56 |
Correct |
113 ms |
3152 KB |
Output is correct |
57 |
Correct |
102 ms |
3172 KB |
Output is correct |
58 |
Correct |
360 ms |
3188 KB |
Output is correct |
59 |
Correct |
388 ms |
3452 KB |
Output is correct |
60 |
Correct |
374 ms |
3248 KB |
Output is correct |
61 |
Correct |
381 ms |
3420 KB |
Output is correct |
62 |
Correct |
356 ms |
3176 KB |
Output is correct |
63 |
Correct |
410 ms |
3564 KB |
Output is correct |
64 |
Correct |
339 ms |
3128 KB |
Output is correct |
65 |
Correct |
1 ms |
212 KB |
Output is correct |
66 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
67 |
Halted |
0 ms |
0 KB |
- |