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Submission #83286

# Submission time Handle Problem Language Result Execution time Memory
83286 2018-11-06T16:27:13 Z charlies_moo Rasvjeta (COCI17_rasvjeta) C++
50 / 50
 6 ms 620 KB 
#include <bits/stdc++.h>
using namespace std;
int n,m,k,ans=0;
bool b[1000];
int main()
{
	//freopen("lighting.in","r",stdin);
	//freopen("lighting.out","w",stdout);
	ios::sync_with_stdio(false);
	cin.tie(0);
	
	cin>>n>>m>>k;
	memset(b,0,sizeof(b));
	for(int i=0;i<m;i++)
	{
		int p;
		cin>>p;
		for(int j=max(0,p-k-1);j<min(n,p+k);j++)
			b[j]=1;
	}
	for(int i=0;i<n;i++)
	{
		if(b[i]==0)
		{
			for(int j=i;j<n;j++)
			{
				if(b[j]==1)
				{
					int a=j-i-1;
					ans+=(a/(2*k+1)+1);
					for(int p=i;p<=j;p++)
					{
						b[p]=1;
					}
					break;
				}
				else
				{
					if(j==n-1)
					{
						int a=j-i;
						ans+=(a/(2*k+1)+1);
						for(int p=i;p<=j;p++)
						{
							b[p]=1;
						}
						break;
					}
				}
			}
		}
	}
	cout<<ans;
	
	//fclose(stdin);
	//fclose(stdout);
	return 0;
}

Subtask #1
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 500 KB Output is correct
3 Correct 2 ms 532 KB Output is correct
4 Correct 2 ms 532 KB Output is correct
5 Correct 2 ms 532 KB Output is correct
6 Correct 2 ms 532 KB Output is correct
7 Correct 2 ms 532 KB Output is correct
8 Correct 2 ms 548 KB Output is correct
9 Correct 2 ms 620 KB Output is correct
10 Correct 6 ms 620 KB Output is correct