Submission #530227

#	Time	Username	Problem	Language	Result	Execution time	Memory
530227		Jean7	Trampoline (info1cup20_trampoline)	C++14	0 / 100	48 ms	9464 KiB

trampoline

#include <bits/stdc++.h>
#define fastio ios::sync_with_stdio(0),cin.tie(0),cout.tie(0)
#define int long long

using namespace std ;

bool a[3000][3000] ;

signed main ()
{
    fastio ;
    int r , c , n , x , y , t , sx , sy , ex , ey ;
    cin >> r >> c >> n ;
    while ( n-- )
    {
        cin >> x >> y ;
        a[x][y] = 1 ;
    }
    cin >> t ;
    while ( t-- )
    {
        cin >> sx >> sy >> ex >> ey ;
        if ( sx > ex || sy > ey ) { cout << "NO\n" ; continue ; }
        while ( sx != ex && sy != ey && sx <= r && sy < c )
        {
            if ( a[sx][sy] ) sx++ ;
            else sy++ ;
        }
        sx == ex ? cout << "YES\n" : cout << "NO\n" ;
    }
    return 0 ;
}

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