Submission #1027779

#	Time	Username	Problem	Language	Result	Execution time	Memory
1027779		vjudge1	Trampoline (info1cup20_trampoline)	C++17	23 / 100	15 ms	1156 KiB

trampoline

#include<bits/stdc++.h>
using namespace std;
#define lalala ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define ll long long
#define int long long int
#define endl '\n'
#define N 210
#define M 400100
#define big 2147483647 
#define bigg 9223372036854775807 
#define pb push_back
#define p push
#define ins insert
#define f first
#define s second

int arr[N][N],green[N][N];
int r,c;
int dfs(int x,int y,int a,int b){
	queue<pair<int,int>> q;
	q.p({x,y});
	while(q.size()){
		x=q.front().f,y=q.front().s;
		q.pop();
		if(arr[x][y])continue;
		arr[x][y]=1;
		if(x==a&&y==b)return 1;
		if(y!=c&&arr[x][y+1]==0){
			q.p({x,y+1});
		}
		if(x!=r&&arr[x+1][y]==0&&green[x][y]){
			q.p({x+1,y});
		}
	}
	return 0;
}
void solve(){
	memset(green,0,sizeof(green));
	int n;cin>>r>>c>>n;
	vector<int> yedek;
	for(int i=0;i<n;i++){
		int a,b;cin>>a>>b;
		green[a][b]=1;
	}
	int q;cin>>q;

	while(q--){
		memset(arr,0,sizeof(arr));
		int x,y,a,b;cin>>x>>y>>a>>b;
		int ok=dfs(x,y,a,b);
		if(ok)cout<<"Yes"<<endl;
		else cout<<"No"<<endl;
	}


}


signed main(){
	lalala;
	solve();
	
}

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