oj.uz

Submission #992304

# Submission time Handle Problem Language Result Execution time Memory
992304 2024-06-04T09:01:12 Z ramalzaher Trampoline (info1cup20_trampoline) C++14
43 / 100
 2000 ms 576696 KB 
#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;
const int N = 2505 ; 
int r , c , n ; 
map<pair<int,int> , int > mp ;  
bool bfs(int xx , int yy , int endx , int endy  ){
	queue<pair<int,int> > q ; 
	q.push({xx , yy}) ;
while (q.size())
{
	auto &[x,y]  = q.front() ;
	q.pop() ; 
	if(x == endx && y <= endy ) {return 1 ;}
	if(mp[{x,y}]){
		if(x+1 <= r ){  
		q.push({x+1 , y}) ;
		}
		}
		else {
		if(y+1 <= c ) {
		q.push({x , y + 1 });	
			}
		}
	}
	return 0 ; 		
}


int main()
{
	 cin >> r >> c >> n ;
	for (int i = 0; i < n; i++)
	{
		int a, b ; cin >> a >> b; 
		mp[{a,b}]=1;
	}
	int t ; cin >> t; 
	for (int i = 0; i < t; i++)
	{
		int sx , sy  , ex , ey ; cin >> sx >> sy >> ex >> ey; 		
		bool ok = bfs(sx , sy , ex, ey) ;
		if(ok)cout<<"Yes\n" ;	else cout<<"No\n";  
	}
	


  return 0;
}
/*
  4 4 3
  1 1 
  2 1 
  3 4 
  1
  1 1 4 3 
 * 
 *  
 * 
 * */

Compilation message

trampoline.cpp: In function 'bool bfs(int, int, int, int)':
trampoline.cpp:15:8: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   15 |  auto &[x,y]  = q.front() ;
      |        ^

Subtask #1
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1112 KB 200 token(s): yes count is 21, no count is 179
2 Correct 9 ms 1116 KB 200 token(s): yes count is 70, no count is 130
3 Correct 7 ms 1116 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 1020 ms 78088 KB 4000 token(s): yes count is 99, no count is 3901
2 Correct 932 ms 77392 KB 4000 token(s): yes count is 91, no count is 3909
3 Correct 517 ms 13136 KB 4000 token(s): yes count is 4000, no count is 0
4 Correct 1557 ms 69644 KB 4000 token(s): yes count is 1991, no count is 2009

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2065 ms 483064 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2068 ms 576696 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 27.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2036 ms 499792 KB Time limit exceeded
2 Halted 0 ms 0 KB -