Submission #992346

#	Time	Username	Problem	Language	Result	Execution time	Memory
992346		ramalzaher	Trampoline (info1cup20_trampoline)	C++14	73 / 100	2049 ms	21664 KiB

trampoline

#include <bits/stdc++.h>
#define ll long long  
#define sz size()
#define pb push_back
#define all(x) x.begin() , x.end()
using namespace std;
int main()
{
	int r , c , n ; cin >> r >>c >> n ;
	map<int,vector<int>  >mp; 
	vector<pair<int,int>> temp ; 
	for (int i = 0; i < n; i++)
	{
		int a, b ; cin >> a >> b; 
		temp.pb({a , b}) ; 
	}
	sort(all(temp)) ;
	for (int i = 0; i < n; i++)
	{
	mp[temp[i].first].pb(temp[i].second); 
	}
	int t ; cin >> t; 
	for (int i = 0; i < t; i++)
	{
		vector<int> v ; bool ok= 0 ; 
		int sx , sy  , ex , ey ; cin >> sx >> sy >> ex >> ey; 
		if(ex < sx || ey < sy || !mp.count(sx)) { cout<<"No\n"; continue; }
		v.pb(sy);
		for(int j = sx ; j < ex ; j ++ ){
			if(mp.count(j)  == 0) { ok = 1;break; }  
			auto itt = lower_bound(all(mp[j]) , sy) ; 
			if(itt==mp[j].end()) { v.pb(-1);ok=1; break ; }
			v.pb(*itt) ; 
			sy = *itt ; 
			//cout<<sy<<" " ; 
			}
			if(ey  >= sy && ok == 0  )cout<<"Yes\n"; else cout<<"No\n"; 
	}
	
 
 
  return 0;
}

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