#include<bits/stdc++.h>
using namespace std;
typedef long long LL;
const LL MAXN=100005;
LL n,k,ans,xl[MAXN],xr[MAXN],yl[MAXN],yr[MAXN];
LL prefix(LL x,LL d){
//consider ujung kiri atas hitam
//di chessboard yang ukuran perwarnanya d*d
//count hitam di prefix dari x
return (x/(2*d))*d+min(x%(2*d),d);
}
void calc(LL d){
if(d==n)return;
LL hitam=0,putih=0,genap=((n/d)*(n/d)+1)/2,ganjil=((n/d)*(n/d))/2;
putih=ganjil*d*d; //consider ujung kiri atas putih
hitam=genap*d*d; //consider ujung kiri atas hitam
for(LL i=1;i<=k;i++){
LL blackrow=prefix(xr[i],d)-prefix(xl[i]-1,d),whiterow=xr[i]-xl[i]+1-blackrow;
LL blackcolumn=prefix(yr[i],d)-prefix(yl[i]-1,d),whitecolumn=yr[i]-yl[i]+1-blackcolumn;
//anggep consider ujung kiri atas hitam kaya di gambar,count black in this subrectangle
LL black=blackrow*blackcolumn+whiterow*whitecolumn;
LL white=(xr[i]-xl[i]+1)*(yr[i]-yl[i]+1)-black;
hitam-=black;
putih+=black;
hitam+=white;
putih-=white;
}
ans=min(ans,min(hitam,putih));
}
int main(){
ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
cin >> n >> k;
for(LL i=1;i<=k;i++){
cin >> xl[i] >> yl[i] >> xr[i] >> yr[i];
}
ans=n*n;
for(LL i=1;i*i<=n;i++){
if(n%i!=0)continue;
calc(i);calc(n/i);
}
cout << ans << '\n';
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
256 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
24 ms |
2304 KB |
Output is correct |
2 |
Correct |
7 ms |
896 KB |
Output is correct |
3 |
Correct |
16 ms |
1536 KB |
Output is correct |
4 |
Correct |
21 ms |
1784 KB |
Output is correct |
5 |
Correct |
22 ms |
2048 KB |
Output is correct |
6 |
Correct |
14 ms |
1408 KB |
Output is correct |
7 |
Correct |
4 ms |
640 KB |
Output is correct |
8 |
Correct |
14 ms |
1408 KB |
Output is correct |
9 |
Correct |
37 ms |
3204 KB |
Output is correct |
10 |
Correct |
21 ms |
1912 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
1 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
1 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
11 ms |
1664 KB |
Output is correct |
17 |
Correct |
31 ms |
4432 KB |
Output is correct |
18 |
Correct |
39 ms |
4984 KB |
Output is correct |
19 |
Correct |
83 ms |
4472 KB |
Output is correct |
20 |
Correct |
95 ms |
5112 KB |
Output is correct |
21 |
Correct |
28 ms |
4216 KB |
Output is correct |
22 |
Correct |
1 ms |
384 KB |
Output is correct |
23 |
Correct |
21 ms |
2304 KB |
Output is correct |
24 |
Correct |
36 ms |
4608 KB |
Output is correct |
25 |
Correct |
5 ms |
768 KB |
Output is correct |
26 |
Correct |
23 ms |
3072 KB |
Output is correct |
27 |
Correct |
29 ms |
3580 KB |
Output is correct |
28 |
Correct |
39 ms |
4928 KB |
Output is correct |
29 |
Correct |
12 ms |
1920 KB |
Output is correct |
30 |
Correct |
2 ms |
512 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
24 ms |
2304 KB |
Output is correct |
2 |
Correct |
7 ms |
896 KB |
Output is correct |
3 |
Correct |
16 ms |
1536 KB |
Output is correct |
4 |
Correct |
21 ms |
1784 KB |
Output is correct |
5 |
Correct |
22 ms |
2048 KB |
Output is correct |
6 |
Correct |
14 ms |
1408 KB |
Output is correct |
7 |
Correct |
4 ms |
640 KB |
Output is correct |
8 |
Correct |
14 ms |
1408 KB |
Output is correct |
9 |
Correct |
37 ms |
3204 KB |
Output is correct |
10 |
Correct |
21 ms |
1912 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
1 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
1 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
384 KB |
Output is correct |
21 |
Correct |
1 ms |
384 KB |
Output is correct |
22 |
Correct |
1 ms |
384 KB |
Output is correct |
23 |
Correct |
1 ms |
384 KB |
Output is correct |
24 |
Correct |
1 ms |
384 KB |
Output is correct |
25 |
Correct |
1 ms |
384 KB |
Output is correct |
26 |
Correct |
11 ms |
1664 KB |
Output is correct |
27 |
Correct |
31 ms |
4432 KB |
Output is correct |
28 |
Correct |
39 ms |
4984 KB |
Output is correct |
29 |
Correct |
83 ms |
4472 KB |
Output is correct |
30 |
Correct |
95 ms |
5112 KB |
Output is correct |
31 |
Correct |
28 ms |
4216 KB |
Output is correct |
32 |
Correct |
1 ms |
384 KB |
Output is correct |
33 |
Correct |
21 ms |
2304 KB |
Output is correct |
34 |
Correct |
36 ms |
4608 KB |
Output is correct |
35 |
Correct |
5 ms |
768 KB |
Output is correct |
36 |
Correct |
23 ms |
3072 KB |
Output is correct |
37 |
Correct |
29 ms |
3580 KB |
Output is correct |
38 |
Correct |
39 ms |
4928 KB |
Output is correct |
39 |
Correct |
12 ms |
1920 KB |
Output is correct |
40 |
Correct |
2 ms |
512 KB |
Output is correct |
41 |
Correct |
80 ms |
4972 KB |
Output is correct |
42 |
Correct |
44 ms |
5632 KB |
Output is correct |
43 |
Correct |
56 ms |
4984 KB |
Output is correct |
44 |
Correct |
43 ms |
5368 KB |
Output is correct |
45 |
Correct |
39 ms |
5720 KB |
Output is correct |
46 |
Correct |
89 ms |
5500 KB |
Output is correct |
47 |
Correct |
36 ms |
5112 KB |
Output is correct |
48 |
Correct |
49 ms |
5112 KB |
Output is correct |
49 |
Correct |
38 ms |
4992 KB |
Output is correct |
50 |
Correct |
327 ms |
5312 KB |
Output is correct |
51 |
Correct |
352 ms |
5752 KB |
Output is correct |
52 |
Correct |
331 ms |
5368 KB |
Output is correct |
53 |
Correct |
352 ms |
5752 KB |
Output is correct |
54 |
Correct |
330 ms |
5244 KB |
Output is correct |
55 |
Correct |
363 ms |
6008 KB |
Output is correct |
56 |
Correct |
311 ms |
5116 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
256 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
24 ms |
2304 KB |
Output is correct |
10 |
Correct |
7 ms |
896 KB |
Output is correct |
11 |
Correct |
16 ms |
1536 KB |
Output is correct |
12 |
Correct |
21 ms |
1784 KB |
Output is correct |
13 |
Correct |
22 ms |
2048 KB |
Output is correct |
14 |
Correct |
14 ms |
1408 KB |
Output is correct |
15 |
Correct |
4 ms |
640 KB |
Output is correct |
16 |
Correct |
14 ms |
1408 KB |
Output is correct |
17 |
Correct |
37 ms |
3204 KB |
Output is correct |
18 |
Correct |
21 ms |
1912 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
384 KB |
Output is correct |
21 |
Correct |
1 ms |
384 KB |
Output is correct |
22 |
Correct |
1 ms |
384 KB |
Output is correct |
23 |
Correct |
1 ms |
384 KB |
Output is correct |
24 |
Correct |
1 ms |
384 KB |
Output is correct |
25 |
Correct |
1 ms |
384 KB |
Output is correct |
26 |
Correct |
1 ms |
384 KB |
Output is correct |
27 |
Correct |
1 ms |
384 KB |
Output is correct |
28 |
Correct |
1 ms |
384 KB |
Output is correct |
29 |
Correct |
1 ms |
384 KB |
Output is correct |
30 |
Correct |
1 ms |
384 KB |
Output is correct |
31 |
Correct |
1 ms |
384 KB |
Output is correct |
32 |
Correct |
1 ms |
384 KB |
Output is correct |
33 |
Correct |
1 ms |
384 KB |
Output is correct |
34 |
Correct |
11 ms |
1664 KB |
Output is correct |
35 |
Correct |
31 ms |
4432 KB |
Output is correct |
36 |
Correct |
39 ms |
4984 KB |
Output is correct |
37 |
Correct |
83 ms |
4472 KB |
Output is correct |
38 |
Correct |
95 ms |
5112 KB |
Output is correct |
39 |
Correct |
28 ms |
4216 KB |
Output is correct |
40 |
Correct |
1 ms |
384 KB |
Output is correct |
41 |
Correct |
21 ms |
2304 KB |
Output is correct |
42 |
Correct |
36 ms |
4608 KB |
Output is correct |
43 |
Correct |
5 ms |
768 KB |
Output is correct |
44 |
Correct |
23 ms |
3072 KB |
Output is correct |
45 |
Correct |
29 ms |
3580 KB |
Output is correct |
46 |
Correct |
39 ms |
4928 KB |
Output is correct |
47 |
Correct |
12 ms |
1920 KB |
Output is correct |
48 |
Correct |
2 ms |
512 KB |
Output is correct |
49 |
Correct |
80 ms |
4972 KB |
Output is correct |
50 |
Correct |
44 ms |
5632 KB |
Output is correct |
51 |
Correct |
56 ms |
4984 KB |
Output is correct |
52 |
Correct |
43 ms |
5368 KB |
Output is correct |
53 |
Correct |
39 ms |
5720 KB |
Output is correct |
54 |
Correct |
89 ms |
5500 KB |
Output is correct |
55 |
Correct |
36 ms |
5112 KB |
Output is correct |
56 |
Correct |
49 ms |
5112 KB |
Output is correct |
57 |
Correct |
38 ms |
4992 KB |
Output is correct |
58 |
Correct |
327 ms |
5312 KB |
Output is correct |
59 |
Correct |
352 ms |
5752 KB |
Output is correct |
60 |
Correct |
331 ms |
5368 KB |
Output is correct |
61 |
Correct |
352 ms |
5752 KB |
Output is correct |
62 |
Correct |
330 ms |
5244 KB |
Output is correct |
63 |
Correct |
363 ms |
6008 KB |
Output is correct |
64 |
Correct |
311 ms |
5116 KB |
Output is correct |
65 |
Correct |
0 ms |
512 KB |
Output is correct |
66 |
Correct |
1 ms |
384 KB |
Output is correct |
67 |
Correct |
337 ms |
5624 KB |
Output is correct |
68 |
Correct |
335 ms |
5496 KB |
Output is correct |
69 |
Correct |
294 ms |
4984 KB |
Output is correct |
70 |
Correct |
333 ms |
5368 KB |
Output is correct |
71 |
Correct |
324 ms |
5368 KB |
Output is correct |
72 |
Correct |
320 ms |
5120 KB |
Output is correct |
73 |
Correct |
310 ms |
5112 KB |
Output is correct |
74 |
Correct |
335 ms |
5368 KB |
Output is correct |
75 |
Correct |
328 ms |
5240 KB |
Output is correct |
76 |
Correct |
341 ms |
5588 KB |
Output is correct |
77 |
Correct |
74 ms |
5752 KB |
Output is correct |
78 |
Correct |
41 ms |
5260 KB |
Output is correct |
79 |
Correct |
55 ms |
5120 KB |
Output is correct |
80 |
Correct |
59 ms |
5368 KB |
Output is correct |
81 |
Correct |
54 ms |
4860 KB |
Output is correct |
82 |
Correct |
53 ms |
5496 KB |
Output is correct |
83 |
Correct |
42 ms |
5112 KB |
Output is correct |
84 |
Correct |
212 ms |
5732 KB |
Output is correct |
85 |
Correct |
360 ms |
5752 KB |
Output is correct |
86 |
Correct |
1 ms |
384 KB |
Output is correct |
87 |
Correct |
0 ms |
384 KB |
Output is correct |
88 |
Correct |
362 ms |
5928 KB |
Output is correct |
89 |
Correct |
68 ms |
1408 KB |
Output is correct |
90 |
Correct |
1 ms |
384 KB |
Output is correct |