Submission #1145758

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1145758	2025-02-05 07:56:04	fatman87878	Furniture (JOI20_furniture)	C++20	0 / 100	1 ms	1604 KiB

furniture

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#include<bits/stdc++.h>
using namespace std;
#define IOS cin.tie(nullptr)->sync_with_stdio(0),cin.exceptions(cin.failbit);
#define lb(x) (x)&-(x)
#define all(x) (x).begin(),(x).end()
#define ll long long
constexpr int maxN=1e3+5;
int n,m,q,cnt[maxN+maxN],c[maxN][maxN],deg[maxN][maxN],ged[maxN][maxN];
queue<pair<int,int>> qup,qdwn;
inline bool chk(int x,int y){
    if(x>n||x<1||y>m||y<1||c[x][y])return 0;
    return 1;
}
inline void push_up(){
    for(int x,y;!qup.empty();){
        tie(x,y) = qup.front(),qup.pop();
        cnt[x+y]--;
        c[x][y] = 1;
        if(chk(x-1,y)&&!(--ged[x-1][y]))qup.emplace(x-1,y);
        if(chk(x,y-1)&&!(--ged[x][y-1]))qup.emplace(x,y-1);
    }
}
inline void push_down(){
    for(int x,y;!qdwn.empty();){
 
 
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• Subtask 1: 0 / 5
• Subtask 2: 0 / 95