Submission #365814

#	Time	Username	Problem	Language	Result	Execution time	Memory
365814		aihay	Trampoline (info1cup20_trampoline)	C++14	0 / 100	2156 ms	911276 KiB

trampoline

#pragma GCC optimize ("O3")
#pragma GCC optimize ("unroll-loops")
#pragma GCC optimize("-Ofast")
#include <bits/stdc++.h>
using namespace std;

typedef int in;
#define f first
#define s second
#define pb push_back
#define pp push
#define ceil(x) NEVER USE CEIL
#define sqrt(x) (int)(sqrt(x))

map<pair<int,int>,bool> gr;
bool fun(int x,int y,int x2,int y2){
    if(x==x2&&y<=y2){
        return 1;
    }
    if(x>x2||y>y2){
        return 0;
    }
    if(gr[{x,y}]){
        return max(fun(x+1,y,x2,y2),fun(x,y+1,x2,y2));
    }
    return fun(x,y+1,x2,y2);
}

in main()
{
	ios_base::sync_with_stdio(0);
    int tc=1;
    //cin>>tc;
    while(tc--)
    {
        int r,c,n,q;
        cin>>r>>c>>n;
        while(n--){
            int x,y;
            cin>>x>>y;
            gr[{x,y}]=1;
        }
        cin>>q;
        while(q--){
            int x,y,x2,y2;
            cin>>x>>y>>x2>>y2;
            cout<<(fun(x,y,x2,y2)?"Yes\n":"No\n");
        }
    }
    return 0;
}

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