Submission #706573

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
706573	2023-03-07 05:11:54	LittleCube	Chessboard (IZhO18_chessboard)	C++14	70 / 100	677 ms	5808 KiB

chessboard

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#include <bits/stdc++.h>
#define ll long long
#define pll pair<ll, ll>
#define F first
#define S second
using namespace std;
ll N, K, l[100005], d[100005], r[100005], u[100005];
ll ans;
pll operator+(pll p1, pll p2)
{
    return pll(p1.F + p2.F, p1.S + p2.S);
}
bool isB(int x, int y, int M)
{
    return (x / M + y / M) % 2;
}
pll calcCorner(ll L, ll R, ll D, ll U, int M)
{
    if (isB(L, D, M))
        return pll((R - L) * (U - D), 0);
    else
        return pll(0, (R - L) * (U - D));
}
pll calcColumn(ll L, ll R, ll D, ll U, int M)
{
 
 
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• Subtask 2: 8 / 8
• Subtask 3: 15 / 15
• Subtask 4: 16 / 16
• Subtask 5: 23 / 23
• Subtask 6: 0 / 30