Submission #1255499

#	Time	Username	Problem	Language	Result	Execution time	Memory
1255499		ebrambill	Furniture (JOI20_furniture)	C++17	5 / 100	5093 ms	5316 KiB

furniture

//In the name of GOD

#include <bits/stdc++.h>
using namespace std;

const int maxN=1e3+5;
int n, m, q, dp[maxN][maxN];
bool c[maxN][maxN];

int main(){
	cin >>n >>m;
	for (int i=1; i<=n; i++)
		for (int j=1; j<=m; j++)
			cin >>c[i][j];
	cin >>q;
	while(q--){
		int x, y;
		cin >>x >>y;
		
		c[x][y]=true;
		dp[n][m]=1;
		for (int i=n; i>=1; i--)
			for (int j=m; j>=1; j--)
				if(i!=n or j!=m) dp[i][j]=(c[i][j] ? 0 : dp[i+1][j]+dp[i][j+1]);
		if(dp[1][1]==0){
			cout <<"0\n";
			c[x][y]=false;
		}
		else cout <<"1\n";
	}
}

• Subtask 1: 5 / 5
• Subtask 2: 0 / 95