Submission #503977

#	Time	Username	Problem	Language	Result	Execution time	Memory
503977		bebecanvas	Trampoline (info1cup20_trampoline)	C++14	0 / 100	556 ms	1048580 KiB

trampoline

#include <bits/stdc++.h>

using namespace std;
#define int long long
#define endl '\n'

signed main(){
	
	int r, c, n; cin >> r >> c >> n;
	int g[r][c];
	for(int i=0; i<r; i++){
		for(int j=0; j<c; j++){
			g[i][j]=0;
		}
	}
	
	for(int i=0; i<n; i++){
		int a, b; cin >> a >> b; a--; b--;
		g[a][b]= 1;
	}
	
	for(int i=0; i<r; i++){
		for(int j=0; j<c; j++){	
			if(i==0&&j==0){continue;}
			if(i==0){g[i][j]= g[i][j]+ g[i][j-1]; continue;}
			if(j==0){g[i][j]= g[i][j]+ g[i-1][j]; continue;}
			g[i][j]= g[i][j]+ g[i-1][j]+ g[i][j-1]- g[i-1][j-1];
		}
	}
	/*
	for(int i=0; i<r; i++){
		for(int j=0; j<c; j++){
			cout << g[i][j] << " ";
		}cout << endl;
	}*/
	
	int q; cin >> q;
	for(int i=0; i<q; i++){
		int a, b, c, d; cin >> a >> b >> c >> d;
		a--; b--; c--; d--;
		
		if(a>c||b>d){cout << "No" << endl; continue;}
		int lol=0;
		if(a==0&&b==0){lol= g[c][d];}
		else if(a==0){lol= g[c][d]- g[c][b-1];}
		else if(b==0){lol= g[c][d]- g[a-1][d];}
		else{lol= g[c][d]- g[c][b-1]- g[a-1][d]+ g[a-1][b-1];}
		int e= c-a;
		if(lol>=e){cout << "Yes" << endl;}
		else{cout << "No" << endl;}
	}
	

   
}

• Subtask 1: 0 / 23
• Subtask 2: 0 / 20
• Subtask 3: 0 / 11
• Subtask 4: 0 / 19
• Subtask 5: 0 / 27