/*#include <iostream>
#include <stdio.h>
using namespace std;
const int MAXK=100005;
long long mini[MAXK], maxi[MAXK], minj[MAXK], maxj[MAXK];
long long NumWhite(long long, long long, long long, long long, long long cellLen);
long long FindAns(long long n, long long k, long long cellLen);
int main()
{
long long n, k;
cin>>n>>k;
for (int i=0; i<k; i++)
scanf("%lld%lld%lld%lld", mini+i, minj+i, maxi+i, maxj+i);
long long ans=n*n;
for (int cellLen=1; cellLen*cellLen<=n; cellLen++)
if (n%cellLen==0)
{
ans=min(ans, FindAns(n, k, cellLen));
ans=min(ans, FindAns(n, k, n/cellLen));
}
cout<<ans<<'\n';
char I;
cin >> I;
return 0;
}
long long FindAns(long long n, long long k, long long cellLen)
{
if (cellLen>=n) return n*n;
long long shouldWhite=0, shouldBlack=0, isBlack=0;
for (int i=0; i<k; i++)
{
shouldWhite+=NumWhite(mini[i], minj[i], maxi[i], maxj[i], cellLen);
isBlack+=(maxi[i]-mini[i]+1)*(maxj[i]-minj[i]+1);
}
shouldBlack=(n*n-NumWhite(1, 1, n, n, cellLen))-(isBlack-shouldWhite);
return min(shouldWhite+shouldBlack, n*n-(shouldWhite+shouldBlack));
}
using ll = long long;
struct el {
ll a, b, c, d;
};
ll prefans(ll x, ll y, ll k, ll f)
{
ll ans;
ll ab = y / k, a;
a = (ab + 1) / 2;
a *= k;
if (ab % 2 == 0)
a += y % k;
if (x <= k)
ans = x * a;
else
{
ll aa = y - a;
ll q = x / k;
ans = aa * (q / 2) * k;
ans += a * ((q + 1) / 2) * k;
if (q % 2)
ans += aa * (x % k);
else ans += a * (x % k);
}
if (f == 1)
return ans;
else return x * y - ans;
}
ll rect(el s, ll d, int f) {
ll mec = prefans(s.c, s.d, d, f) - (s.c * s.d - prefans(s.c, s.d, d, f));
ll poqr = prefans(s.a, s.b, d, f) - (s.a * s.b - prefans(s.a, s.b, d, f));;
return mec - poqr;
}
long long NumWhite(long long mini, long long minj, long long maxi, long long maxj, long long len)
{
if (!mini) mini=1;
if (!minj) minj=1;
return rect(el{mini, minj, maxi, maxj}, len, 1);
if (mini==1 && minj==1)
{
return prefans(maxi, maxj, len, 1);
long long ans=0, i=maxi, j=maxj;
ans+=len*len*(((i/len)*(j/len)+1)/2);
if ((i/len)%2)
ans+=(i%len)*((j/len)/2)*len;
else
ans+=(i%len)*((j/len+1)/2)*len;
if ((j/len)%2)
ans+=(j%len)*((i/len)/2)*len;
else
ans+=(j%len)*((i/len+1)/2)*len;
if ((i/len)%2==(j/len)%2)
ans+=(i%len)*(j%len);
return ans;
}
return NumWhite(1, 1, maxi, maxj, len)-
NumWhite(1, 1, maxi, minj-1, len)-NumWhite(1, 1, mini-1, maxj, len)+
NumWhite(1, 1, mini-1, minj-1, len);
}*/
#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
using ll = long long;
struct el {
ll a, b, c, d;
};
vector<ll> dv;
vector<el> points;
ll ans;
ll prefans(ll x, ll y, ll k, int f)
{
ll ans;
ll ab = y / k, a;
a = (ab + 1) / 2;
a *= k;
if (ab % 2 == 0)
a += y % k;
if (x <= k)
ans = x * a;
else
{
ll aa = y - a;
ll q = x / k;
ans = aa * (q / 2) * k;
ans += a * ((q + 1) / 2) * k;
if (q % 2)
ans += aa * (x % k);
else ans += a * (x % k);
}
if (f == 1)
return ans;
else return x * y - ans;
}
ll rect(ll x, ll y, ll d, int f) {
return prefans(x, y, d, f) - (x * y - prefans(x, y, d, f));
}
int main()
{
ll n, k;
cin >> n >> k;
ans = n * n;
for (int i = 1; i < n; i++)
if (n % i == 0)dv.push_back(i);
for (int i = 0; i < k; i++)
{
ll a, b, c, d;
cin >> a >> b >> c >> d;
points.push_back({ a,b,c,d });
}/*
for (auto p : points)
cerr << p.first << ' ' << p.second << '\n';*/
for (ll d : dv)
{
ll blackans;
ll q = n / d;
if (q % 2)
blackans = (n * n - d * d) / 2 + d * d;
else blackans = n * n / 2;
ll whiteans = n * n - blackans;
whiteans = prefans(n, n, d, 1);
blackans = prefans(n, n, d, 0);
for (auto p : points)
{
whiteans += rect(p.c, p.d, d, 0) - rect(p.a - 1, p.d, d, 0) - rect(p.c, p.b - 1, d, 0) + rect(p.a - 1, p.b - 1, d, 0);
blackans += rect(p.c, p.d, d, 1) - rect(p.a - 1, p.d, d, 1) - rect(p.c, p.b - 1, d, 1) + rect(p.a - 1, p.b - 1, d, 1);
}
ans = min(ans, min(blackans, whiteans));
}
cout << ans;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
0 ms |
364 KB |
Output is correct |
5 |
Correct |
0 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
84 ms |
2528 KB |
Output is correct |
2 |
Correct |
22 ms |
1508 KB |
Output is correct |
3 |
Correct |
53 ms |
2528 KB |
Output is correct |
4 |
Correct |
54 ms |
2528 KB |
Output is correct |
5 |
Correct |
71 ms |
2528 KB |
Output is correct |
6 |
Correct |
48 ms |
2528 KB |
Output is correct |
7 |
Correct |
10 ms |
748 KB |
Output is correct |
8 |
Correct |
46 ms |
2528 KB |
Output is correct |
9 |
Correct |
116 ms |
4592 KB |
Output is correct |
10 |
Correct |
66 ms |
2528 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 |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
2 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 |
2 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
2 ms |
364 KB |
Output is correct |
14 |
Correct |
2 ms |
364 KB |
Output is correct |
15 |
Correct |
2 ms |
364 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 |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
2 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 |
2 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
2 ms |
364 KB |
Output is correct |
14 |
Correct |
2 ms |
364 KB |
Output is correct |
15 |
Correct |
2 ms |
364 KB |
Output is correct |
16 |
Correct |
34 ms |
1508 KB |
Output is correct |
17 |
Correct |
91 ms |
4508 KB |
Output is correct |
18 |
Correct |
126 ms |
4572 KB |
Output is correct |
19 |
Correct |
317 ms |
4572 KB |
Output is correct |
20 |
Correct |
349 ms |
4572 KB |
Output is correct |
21 |
Correct |
86 ms |
4572 KB |
Output is correct |
22 |
Correct |
2 ms |
384 KB |
Output is correct |
23 |
Correct |
69 ms |
2528 KB |
Output is correct |
24 |
Correct |
113 ms |
4572 KB |
Output is correct |
25 |
Correct |
14 ms |
1000 KB |
Output is correct |
26 |
Correct |
71 ms |
2528 KB |
Output is correct |
27 |
Correct |
97 ms |
4552 KB |
Output is correct |
28 |
Correct |
123 ms |
4572 KB |
Output is correct |
29 |
Correct |
36 ms |
2528 KB |
Output is correct |
30 |
Correct |
4 ms |
492 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
84 ms |
2528 KB |
Output is correct |
2 |
Correct |
22 ms |
1508 KB |
Output is correct |
3 |
Correct |
53 ms |
2528 KB |
Output is correct |
4 |
Correct |
54 ms |
2528 KB |
Output is correct |
5 |
Correct |
71 ms |
2528 KB |
Output is correct |
6 |
Correct |
48 ms |
2528 KB |
Output is correct |
7 |
Correct |
10 ms |
748 KB |
Output is correct |
8 |
Correct |
46 ms |
2528 KB |
Output is correct |
9 |
Correct |
116 ms |
4592 KB |
Output is correct |
10 |
Correct |
66 ms |
2528 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 |
2 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 |
2 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
2 ms |
364 KB |
Output is correct |
24 |
Correct |
2 ms |
364 KB |
Output is correct |
25 |
Correct |
2 ms |
364 KB |
Output is correct |
26 |
Correct |
34 ms |
1508 KB |
Output is correct |
27 |
Correct |
91 ms |
4508 KB |
Output is correct |
28 |
Correct |
126 ms |
4572 KB |
Output is correct |
29 |
Correct |
317 ms |
4572 KB |
Output is correct |
30 |
Correct |
349 ms |
4572 KB |
Output is correct |
31 |
Correct |
86 ms |
4572 KB |
Output is correct |
32 |
Correct |
2 ms |
384 KB |
Output is correct |
33 |
Correct |
69 ms |
2528 KB |
Output is correct |
34 |
Correct |
113 ms |
4572 KB |
Output is correct |
35 |
Correct |
14 ms |
1000 KB |
Output is correct |
36 |
Correct |
71 ms |
2528 KB |
Output is correct |
37 |
Correct |
97 ms |
4552 KB |
Output is correct |
38 |
Correct |
123 ms |
4572 KB |
Output is correct |
39 |
Correct |
36 ms |
2528 KB |
Output is correct |
40 |
Correct |
4 ms |
492 KB |
Output is correct |
41 |
Correct |
302 ms |
4572 KB |
Output is correct |
42 |
Correct |
147 ms |
4596 KB |
Output is correct |
43 |
Correct |
198 ms |
4572 KB |
Output is correct |
44 |
Correct |
139 ms |
4572 KB |
Output is correct |
45 |
Correct |
131 ms |
4572 KB |
Output is correct |
46 |
Correct |
341 ms |
4572 KB |
Output is correct |
47 |
Correct |
113 ms |
4604 KB |
Output is correct |
48 |
Correct |
171 ms |
4572 KB |
Output is correct |
49 |
Correct |
131 ms |
4572 KB |
Output is correct |
50 |
Correct |
1342 ms |
4572 KB |
Output is correct |
51 |
Correct |
1431 ms |
4572 KB |
Output is correct |
52 |
Correct |
1335 ms |
4572 KB |
Output is correct |
53 |
Correct |
1417 ms |
4572 KB |
Output is correct |
54 |
Correct |
1308 ms |
4572 KB |
Output is correct |
55 |
Correct |
1472 ms |
4572 KB |
Output is correct |
56 |
Correct |
1274 ms |
4572 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
0 ms |
364 KB |
Output is correct |
5 |
Correct |
0 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
364 KB |
Output is correct |
9 |
Correct |
84 ms |
2528 KB |
Output is correct |
10 |
Correct |
22 ms |
1508 KB |
Output is correct |
11 |
Correct |
53 ms |
2528 KB |
Output is correct |
12 |
Correct |
54 ms |
2528 KB |
Output is correct |
13 |
Correct |
71 ms |
2528 KB |
Output is correct |
14 |
Correct |
48 ms |
2528 KB |
Output is correct |
15 |
Correct |
10 ms |
748 KB |
Output is correct |
16 |
Correct |
46 ms |
2528 KB |
Output is correct |
17 |
Correct |
116 ms |
4592 KB |
Output is correct |
18 |
Correct |
66 ms |
2528 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 |
2 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 |
2 ms |
364 KB |
Output is correct |
30 |
Correct |
1 ms |
364 KB |
Output is correct |
31 |
Correct |
2 ms |
364 KB |
Output is correct |
32 |
Correct |
2 ms |
364 KB |
Output is correct |
33 |
Correct |
2 ms |
364 KB |
Output is correct |
34 |
Correct |
34 ms |
1508 KB |
Output is correct |
35 |
Correct |
91 ms |
4508 KB |
Output is correct |
36 |
Correct |
126 ms |
4572 KB |
Output is correct |
37 |
Correct |
317 ms |
4572 KB |
Output is correct |
38 |
Correct |
349 ms |
4572 KB |
Output is correct |
39 |
Correct |
86 ms |
4572 KB |
Output is correct |
40 |
Correct |
2 ms |
384 KB |
Output is correct |
41 |
Correct |
69 ms |
2528 KB |
Output is correct |
42 |
Correct |
113 ms |
4572 KB |
Output is correct |
43 |
Correct |
14 ms |
1000 KB |
Output is correct |
44 |
Correct |
71 ms |
2528 KB |
Output is correct |
45 |
Correct |
97 ms |
4552 KB |
Output is correct |
46 |
Correct |
123 ms |
4572 KB |
Output is correct |
47 |
Correct |
36 ms |
2528 KB |
Output is correct |
48 |
Correct |
4 ms |
492 KB |
Output is correct |
49 |
Correct |
302 ms |
4572 KB |
Output is correct |
50 |
Correct |
147 ms |
4596 KB |
Output is correct |
51 |
Correct |
198 ms |
4572 KB |
Output is correct |
52 |
Correct |
139 ms |
4572 KB |
Output is correct |
53 |
Correct |
131 ms |
4572 KB |
Output is correct |
54 |
Correct |
341 ms |
4572 KB |
Output is correct |
55 |
Correct |
113 ms |
4604 KB |
Output is correct |
56 |
Correct |
171 ms |
4572 KB |
Output is correct |
57 |
Correct |
131 ms |
4572 KB |
Output is correct |
58 |
Correct |
1342 ms |
4572 KB |
Output is correct |
59 |
Correct |
1431 ms |
4572 KB |
Output is correct |
60 |
Correct |
1335 ms |
4572 KB |
Output is correct |
61 |
Correct |
1417 ms |
4572 KB |
Output is correct |
62 |
Correct |
1308 ms |
4572 KB |
Output is correct |
63 |
Correct |
1472 ms |
4572 KB |
Output is correct |
64 |
Correct |
1274 ms |
4572 KB |
Output is correct |
65 |
Correct |
1 ms |
364 KB |
Output is correct |
66 |
Correct |
1 ms |
364 KB |
Output is correct |
67 |
Correct |
1377 ms |
4544 KB |
Output is correct |
68 |
Correct |
1387 ms |
4572 KB |
Output is correct |
69 |
Correct |
1220 ms |
4572 KB |
Output is correct |
70 |
Correct |
1388 ms |
4572 KB |
Output is correct |
71 |
Correct |
1337 ms |
4728 KB |
Output is correct |
72 |
Correct |
1324 ms |
4572 KB |
Output is correct |
73 |
Correct |
1265 ms |
4572 KB |
Output is correct |
74 |
Correct |
1351 ms |
4720 KB |
Output is correct |
75 |
Correct |
1349 ms |
4700 KB |
Output is correct |
76 |
Correct |
1413 ms |
4572 KB |
Output is correct |
77 |
Correct |
281 ms |
4572 KB |
Output is correct |
78 |
Correct |
138 ms |
4572 KB |
Output is correct |
79 |
Correct |
202 ms |
4572 KB |
Output is correct |
80 |
Correct |
217 ms |
4572 KB |
Output is correct |
81 |
Correct |
201 ms |
4572 KB |
Output is correct |
82 |
Correct |
186 ms |
4572 KB |
Output is correct |
83 |
Correct |
153 ms |
4508 KB |
Output is correct |
84 |
Correct |
851 ms |
4720 KB |
Output is correct |
85 |
Correct |
1421 ms |
4700 KB |
Output is correct |
86 |
Correct |
2 ms |
364 KB |
Output is correct |
87 |
Correct |
1 ms |
364 KB |
Output is correct |
88 |
Correct |
1515 ms |
4620 KB |
Output is correct |
89 |
Correct |
285 ms |
1540 KB |
Output is correct |
90 |
Correct |
1 ms |
364 KB |
Output is correct |