제출 #492355

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
492355	2021-12-07 02:36:38	Rainbowbunny	Chessboard (IZhO18_chessboard)	C++17	31 / 100	2047 ms	8956 KiB

chessboard

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#include <bits/stdc++.h>
using namespace std;
const int MAXN = 1e5 + 5;
int n, k;   
int xl[MAXN], xr[MAXN], yl[MAXN], yr[MAXN]; 
int ST[4 * MAXN], Lazy[4 * MAXN];
void Build(int node, int l, int r, int id)
{
    Lazy[node] = 0;
    if(l == r)
    {
        ST[node] = ((l - 1) / id) & 1;
        return;
    }
    int mid = (l + r) >> 1;
    Build(node << 1, l, mid, id);
    Build(node << 1 | 1, mid + 1, r, id);
    ST[node] = ST[node << 1] + ST[node << 1 | 1];
}
void Push(int node, int l, int r)
{
    if(Lazy[node])
    {
        ST[node] = (r - l + 1) - ST[node];
        if(l != r)
 
 
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