# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
1145163 | dobri_oke | Trampoline (info1cup20_trampoline) | C++20 | 0 ms | 0 KiB |
//#pragma GCC target ("avx2")
//#pragma GCC optimize ("Ofast")
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define F first
#define S second
#define pb push_back
const int N = 1e6, NN=26;
const int mod=1e9+7;
vector <int > v[N];
//int gcd(int a, int b) { if (b == 0) return a; else return gcd(b, a % b); }
//int lcm(int a, int b) { return a / gcd(a, b) * b; }
//int binpow(int a,int b){if(!b)return 1; if(b&1)return a*binpow(a,b-1)%mod; int x=binpow(a,b/2); return x*x%mod;}
signed main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int r, c, n;
cin >> r >> c >> n;
map < pair < int, int >, bool > mp;
set < int > st;
for(int i=1;i<=n;i++){
int a, b;
cin >> a >> b;
mp[{a, b}]=1;
v[a].pb(b);
st.insert(a);
}
if(t<=4000 && r<=2500 && c<=2500){
int t;
cin >> t;
while(t--){
int xs, ys, xe, ye;
cin >> xs >> ys >> xe >> ye;
while(xs<xe){
if(ys>ye) break;
if(mp[{xs, ys}]==0){
ys++;
}
else{
xs++;
}
}
if(xs==xe && ys<=ye) cout << "Yes\n";
else cout << "No\n";
}
}
}
else{
int t;
cin >> t;
while(st.size()>0){
int g=*st.begin();
st.erase(g);
sort(v[g].begin(), v[g].end());
}
while(t--){
int xs, ys, xe, ye;
cin >> xs >> ys >> xe >> ye;
while(xs<xe){
int l=0, r=v[xs].size()-1, jump=-1;
while(l<=r){
int m=(l+r)/2;
if(v[xs][m]<=ys){
l=m+1;
}
else{
r=m-1;
jump=m;
}
}
if(jump==-1) break;
else{
ys=v[xs][jump];
xs++;
}
}
if(xs==xe && ys<=ye) cout << "Yes\n";
else cout << "No\n";
}
}
}