oj.uz

Submission #1041354

# Submission time Handle Problem Language Result Execution time Memory
1041354 2024-08-01T22:31:34 Z elotelo966 Trampoline (info1cup20_trampoline) C++17
100 / 100
 740 ms 87892 KB 
#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 200005
#define fi first
#define se second

vector<pair<int,int>> v[lim];

int x[lim],y[lim];

set<int> st;

map<int,int> mp;

int timer,l;

int up[lim][25];

int32_t main(){
	faster
	int r,c,n;cin>>r>>c>>n;
	l=ceil(log2(n));
	FOR{
		cin>>x[i]>>y[i];
		st.insert(x[i]);
	}
	
	for(auto a:st){
		mp[a]=++timer;
	}
	
	FOR{
		v[mp[x[i]]].push_back({y[i],i});
	}
	
	for(int i=1;i<=timer;i++){
		sort(v[i].begin(),v[i].end());
	}
	
	FOR{
		if(mp.find(x[i]+1)==mp.end())continue;
		if(v[mp[x[i]+1]].back().fi<y[i])continue;
		int tut=lower_bound(v[mp[x[i]+1]].begin(),v[mp[x[i]+1]].end(),make_pair(y[i],0ll))-v[mp[x[i]+1]].begin();
		up[i][0]=v[mp[x[i]+1]][tut].se;
	}
	
	for(int i=1;i<=l;i++){
		for(int j=1;j<=n;j++){
			up[j][i]=up[up[j][i-1]][i-1];
		}
	}
	
	int q;cin>>q;
	
	while(q--){
		int x1,y1,x2,y2;cin>>x1>>y1>>x2>>y2;
		if(y1>y2){
			cout<<"No"<<'\n';
			continue;
		}
		if(x1==x2){
			cout<<"Yes"<<'\n';
			continue;
		}
		if(x1>x2){
			cout<<"No"<<'\n';
			continue;
		}
		if(mp.find(x1)==mp.end()){
			cout<<"No"<<'\n';
			continue;
		}
		if(v[mp[x1]].back().fi<y1){
			cout<<"No"<<'\n';
			continue;
		}
		int node=lower_bound(v[mp[x1]].begin(),v[mp[x1]].end(),make_pair(y1,0ll))-v[mp[x1]].begin();
		node=v[mp[x1]][node].se;
		for(int i=l;i>=0;i--){
			if(up[node][i] && x[up[node][i]]<x2){
				node=up[node][i];
			}
		}
		
		if(x[node]==x2-1 && y[node]<=y2)cout<<"Yes"<<'\n';
		else cout<<"No"<<'\n';
		
	}
	return 0;
}

Subtask #1
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 12636 KB 200 token(s): yes count is 21, no count is 179
2 Correct 5 ms 12892 KB 200 token(s): yes count is 70, no count is 130
3 Correct 4 ms 12636 KB 197 token(s): yes count is 25, no count is 172

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 138 ms 53028 KB 4000 token(s): yes count is 99, no count is 3901
2 Correct 141 ms 54768 KB 4000 token(s): yes count is 91, no count is 3909
3 Correct 98 ms 53328 KB 4000 token(s): yes count is 4000, no count is 0
4 Correct 137 ms 54864 KB 4000 token(s): yes count is 1991, no count is 2009

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 164 ms 52420 KB 200000 token(s): yes count is 110486, no count is 89514
2 Correct 179 ms 51828 KB 200000 token(s): yes count is 114664, no count is 85336
3 Correct 178 ms 51988 KB 200000 token(s): yes count is 86232, no count is 113768
4 Correct 310 ms 53072 KB 200000 token(s): yes count is 94603, no count is 105397
5 Correct 286 ms 53168 KB 200000 token(s): yes count is 94148, no count is 105852
6 Correct 515 ms 60500 KB 200000 token(s): yes count is 97163, no count is 102837

Subtask #4
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 12636 KB 5000 token(s): yes count is 3238, no count is 1762
2 Correct 6 ms 12636 KB 5000 token(s): yes count is 3837, no count is 1163
3 Correct 8 ms 11868 KB 5000 token(s): yes count is 4104, no count is 896
4 Correct 5 ms 12892 KB 5000 token(s): yes count is 3934, no count is 1066
5 Correct 8 ms 13148 KB 5000 token(s): yes count is 3384, no count is 1616
6 Correct 5 ms 12892 KB 5000 token(s): yes count is 3390, no count is 1610

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 567 ms 62160 KB 200000 token(s): yes count is 171404, no count is 28596
2 Correct 424 ms 55388 KB 200000 token(s): yes count is 161254, no count is 38746
3 Correct 196 ms 51928 KB 200000 token(s): yes count is 117455, no count is 82545
4 Correct 740 ms 87892 KB 200000 token(s): yes count is 182118, no count is 17882
5 Correct 447 ms 71844 KB 200000 token(s): yes count is 167565, no count is 32435
6 Correct 186 ms 64204 KB 200000 token(s): yes count is 156797, no count is 43203
7 Correct 188 ms 64200 KB 200000 token(s): yes count is 156797, no count is 43203
8 Correct 173 ms 63372 KB 200000 token(s): yes count is 122100, no count is 77900
9 Correct 539 ms 72268 KB 200000 token(s): yes count is 139670, no count is 60330
10 Correct 546 ms 72276 KB 200000 token(s): yes count is 165806, no count is 34194
11 Correct 626 ms 79656 KB 200000 token(s): yes count is 175646, no count is 24354
12 Correct 152 ms 63264 KB 200000 token(s): yes count is 134695, no count is 65305
13 Correct 152 ms 63932 KB 200000 token(s): yes count is 126733, no count is 73267
14 Correct 271 ms 64848 KB 200000 token(s): yes count is 155290, no count is 44710
15 Correct 161 ms 63400 KB 200000 token(s): yes count is 129674, no count is 70326