Submission #1027809

#	Time	Username	Problem	Language	Result	Execution time	Memory
1027809		vjudge1	Trampoline (info1cup20_trampoline)	C++17	43 / 100	2045 ms	8432 KiB

trampoline

#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx,avx2,fma")
#include <bits/stdc++.h>
using namespace std;
 
#define int long long
#define OYY LLONG_MAX
#define mod 998244353
#define faster ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define FOR for(int i=1;i<=n;i++)
#define mid (start+end)/2
#define lim 1000005
#define fi first
#define se second

vector<pair<int,int>> v;

int32_t main(){
	faster
	int r,c,n;cin>>r>>c>>n;
	FOR{
		int x,y;cin>>x>>y;
		v.push_back({x,y});
	}
	
	sort(v.begin(),v.end());
	
	int q;cin>>q;
	while(q--){
		int x1,y1,x2,y2;cin>>x1>>y1>>x2>>y2;
		bool stop=0;
		for(int i=0;i<v.size();i++){
			//cout<<x1<<" "<<y1<<endl;
			if(v[i].fi<x1){
				continue;
			}
			if(v[i].fi==x1 && y1<=v[i].se){
				x1++;
				y1=v[i].se;
			}
			if(x1==x2 && y1<=y2){
				stop=1;
				break;
			}
		}
		
		if(stop){
			cout<<"Yes"<<'\n';
		}
		else cout<<"No"<<'\n';
		
	}
	return 0;
}

Compilation message (stderr)

trampoline.cpp: In function 'int32_t main()':
trampoline.cpp:32:16: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |   for(int i=0;i<v.size();i++){
      |               ~^~~~~~~~~

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