oj.uz

Submission #1027874

# Submission time Handle Problem Language Result Execution time Memory
1027874 2024-07-19T10:51:02 Z vjudge1 Trampoline (info1cup20_trampoline) C++17
73 / 100
 447 ms 25832 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

int r,c,n,timer;

vector<int> v[lim];

vector<pair<int,int>> vy;

int xm[lim],ym[lim];

int tut[lim];

map<int,int> mp;

set<int> st;

map<pair<int,int>,int> dp;

inline int f(int x,int y,int tx,int ty){
	if(x>r || y>c)return 0;
	if(x==tx && y<=ty)return 1;
	if(dp.find({x,y})!=dp.end())return dp[{x,y}];
	int cev=0;
	for(auto a:v[x]){
		if(a<y || a>ty)continue;
		cev+=f(x+1,a,tx,ty);
	}
	return dp[{x,y}]=cev;
}
	
inline void solve(int q){
	FOR{
		st.insert(xm[i]);
	}
	
	for(auto x:st){
		mp[x]=++timer;
		tut[timer]=x;
	}
	
	FOR{
		v[mp[xm[i]]].push_back(ym[i]);
	}
	
	for(int i=1;i<=timer;i++){
		sort(v[i].begin(),v[i].end());
	}
	
	while(q--){
		int x1,y1,x2,y2;
		cin>>x1>>y1>>x2>>y2;
		if(mp.find(x1)==mp.end()){
			cout<<"No"<<'\n';
			continue;
		}
		int tut=lower_bound(v[mp[x1]].begin(),v[mp[x1]].end(),y1)-v[mp[x1]].begin();
		if(tut>=v[mp[x1]].size()){
			cout<<"No"<<'\n';
			continue;
		}
		if(v[mp[x1]][tut]<=y2){
			cout<<"Yes"<<'\n';
		}
		else cout<<"No"<<'\n';
	}
}


int32_t main(){
	faster
	cin>>r>>c>>n;
	FOR{
		cin>>xm[i]>>ym[i];
		vy.push_back({xm[i],ym[i]});
	}
	
	sort(vy.begin(),vy.end());
	
	int q;cin>>q;
	if(q<=5000){
	while(q--){
		int x1,y1,x2,y2;cin>>x1>>y1>>x2>>y2;
		bool stop=0;
		if(x1==x2 && y1<=y2){
			cout<<"Yes"<<'\n';
			continue;
		}
		for(int i=0;i<vy.size();i++){
			if(vy[i].fi<x1){
				continue;
			}
			if(vy[i].fi==x1 && y1<=vy[i].se){
				x1++;
				y1=vy[i].se;
			}
			if(x1==x2 && y1<=y2){
				stop=1;
				break;
			}
		}
		
		if(stop){
			cout<<"Yes"<<'\n';
		}
		else cout<<"No"<<'\n';
		
	}
	}
	else{
		solve(q);
	}
	return 0;
}

Compilation message

trampoline.cpp: In function 'void solve(long long int)':
trampoline.cpp:70:9: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   70 |   if(tut>=v[mp[x1]].size()){
      |      ~~~^~~~~~~~~~~~~~~~~~
trampoline.cpp: In function 'int32_t main()':
trampoline.cpp:101:16: 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]
  101 |   for(int i=0;i<vy.size();i++){
      |               ~^~~~~~~~~~

Subtask #1
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 10076 KB 200 token(s): yes count is 21, no count is 179
2 Correct 4 ms 10076 KB 200 token(s): yes count is 70, no count is 130
3 Correct 4 ms 9820 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 411 ms 15732 KB 4000 token(s): yes count is 99, no count is 3901
2 Correct 447 ms 14804 KB 4000 token(s): yes count is 91, no count is 3909
3 Correct 352 ms 15056 KB 4000 token(s): yes count is 4000, no count is 0
4 Correct 444 ms 15316 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 145 ms 16576 KB 200000 token(s): yes count is 110486, no count is 89514
2 Correct 145 ms 17088 KB 200000 token(s): yes count is 114664, no count is 85336
3 Correct 158 ms 15804 KB 200000 token(s): yes count is 86232, no count is 113768
4 Correct 216 ms 16268 KB 200000 token(s): yes count is 94603, no count is 105397
5 Correct 223 ms 16316 KB 200000 token(s): yes count is 94148, no count is 105852
6 Correct 355 ms 24512 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 13 ms 9816 KB 5000 token(s): yes count is 3238, no count is 1762
2 Correct 16 ms 9900 KB 5000 token(s): yes count is 3837, no count is 1163
3 Correct 17 ms 9816 KB 5000 token(s): yes count is 4104, no count is 896
4 Correct 15 ms 9816 KB 5000 token(s): yes count is 3934, no count is 1066
5 Correct 22 ms 9816 KB 5000 token(s): yes count is 3384, no count is 1616
6 Correct 18 ms 9820 KB 5000 token(s): yes count is 3390, no count is 1610

Subtask #5
0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 400 ms 25832 KB expected NO, found YES [23rd token]
2 Halted 0 ms 0 KB -