Submission #950337

#	Time	Username	Problem	Language	Result	Execution time	Memory
950337		vjudge1	Datum (COCI20_datum)	C++17	0 / 50	2 ms	604 KiB

datum

#include<bits/stdc++.h>
using namespace std;
int n,d,sz[2001][3],all[2001],t=2,gs;
bool pd[2001];
int main()
{
	scanf("%d%d",&n,&d);
	for(int i=1;i<=n;i++)
		scanf("%d%d",&sz[i][1],&sz[i][2]);
	pd[1]=1;
	gs++;
	all[1]=1;
	while(1)
	{
		int f=0;
		for(int i=t;i<=n;i++)
		{
			if(pd[i]==0)
			{
				for(int j=1;j<=gs;j++)
				{
					int b=(sz[all[j]][1]-sz[i][1])*(sz[all[j]][1]-sz[i][1])+(sz[all[j]][2]-sz[i][2])*(sz[all[j]][2]-sz[i][2]);
					if(d*d>=b)
					{
						pd[i]=1;
						gs++;
						all[gs]=i;
						f=1;
						while(pd[t]==1)
							t++;
						break;
					}
				}
			}
		}
		if(f==0)
			break;
	}
	for(int i=1;i<=n;i++)
	{
		if(pd[i]==1)
			cout<<"Yes"<<endl;
		else
			cout<<"No"<<endl;
	}
} 

Compilation message (stderr)

datum.cpp: In function 'int main()':
datum.cpp:7:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |  scanf("%d%d",&n,&d);
      |  ~~~~~^~~~~~~~~~~~~~
datum.cpp:9:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |   scanf("%d%d",&sz[i][1],&sz[i][2]);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 50