Submission #929222

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
929222	2024-02-18 01:37:46	1075508020060209tc	Furniture (JOI20_furniture)	C++14	100 / 100	249 ms	14416 KiB

furniture

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//#pragma GCC optimize("O3")
#include<bits/stdc++.h>
using namespace std;
//#define int long long
int n;int m;int Q;
int gr[1010][1010];
int rch[1010][1010];
int rrch[1010][1010];
int okcnt[3010];
int ok(int x,int y){
if(x>=1&&y>=1&&x<=n&&y<=m){return 1;}
return 0;
}
void precalc(){
queue<pair<int,int>>q;
q.push({1,1});
rch[1][1]=1;
while(q.size()){
    int nwx=q.front().first;
    int nwy=q.front().second;
    q.pop();
    int x=nwx;int y=nwy;
    x++;
    if(gr[x][y]==0&&rch[x][y]==0&&ok(x,y)){
        rch[x][y]=1;
        q.push({x,y});
    }
    x--;y++;
    if(gr[x][y]==0&&rch[x][y]==0&&ok(x,y)){
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 95 / 95