Submission #100266

#	Time	Username	Problem	Language	Result	Execution time	Memory
100266		ami	Konj (COCI19_konj)	C++14	70 / 70	93 ms	7032 KiB

konj

#include <bits/stdc++.h>
#define sz(c)      int(c.size())
#define rep(i,a,b) for (int i=a; i<(b); ++i)
#define per(i,a,b) for (int i=(b)-1; i>=(a); --i)
using namespace std;
using ll = long long;

enum { UP, RIGHT, DOWN, LEFT };

int const MAXX=330;
bool can[MAXX][MAXX][4];
bool was[MAXX][MAXX];

void flood(int x,int y) {
	if (was[x][y]) return;

	was[x][y]=true;
	if (can[x][y][UP])    flood(x,y+1);
	if (can[x][y][DOWN])  flood(x,y-1);
	if (can[x][y][RIGHT]) flood(x+1,y);
	if (can[x][y][LEFT])  flood(x-1,y);
}

int main() {
	cin.tie(0);
	ios_base::sync_with_stdio(0);
	cout<<fixed<<setprecision(10);

	int n;
	cin>>n;
	rep(i,0,n) {
		int a,b,c,d;
		cin>>a>>b>>c>>d;

		if (a>c || b>d) {
			swap(a,c);
			swap(b,d);
		}

		if (a==c) {
			int x=a;
			rep(y,b,d) can[x][y][UP]=can[x][y+1][DOWN]=true;
		} else {
			int y=b;
			rep(x,a,c) can[x][y][RIGHT]=can[x+1][y][LEFT]=true;
		}
	}

	{	
		int x,y;
		cin>>x>>y;
		flood(x,y);
	}

	int a=MAXX,b=MAXX,c=-MAXX,d=-MAXX;
	rep(x,0,MAXX) rep(y,0,MAXX) if (was[x][y]) {
		a=min(a,x);
		b=min(b,y);
		c=max(c,x);
		d=max(d,y);
	}

	per(y,b,d+1) {
		rep(x,a,c+1) cout<<(was[x][y]?'#':'.');
		cout<<"\n";
	}
}

• Subtask 1: 70 / 70