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답안 #209996

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
209996 2020-03-16T08:27:01 Z AlainSu Telefoni (COCI17_telefoni) C++14
80 / 80
 69 ms 632 KB 
#include<bits/stdc++.h>
using namespace std;
const int MAXN=3500000;
long long n,m,ans=0,tmp;
bool a[MAXN];
void input()
{
	cin>>n>>m;
	long long p=1;
	for (int i=1;i<=n;i++)
	{
	   cin>>a[i];
	   if (a[i])
	   {
	   	    
	   	    if (i-p>m)
	   	    {
	   	        ans+=(i-p)/m;
	   	        if ((i-p)%m>0) ans++;
	   	        ans--;
	   	    }
	   	    p=i;
	   }
    }
}
void output()
{
	cout<<ans;
}
int main()
{
	input();
	output();
	return 0;
}

Subtask #1
80.0 / 80.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 128 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 4 ms 376 KB Output is correct
7 Correct 5 ms 248 KB Output is correct
8 Correct 69 ms 632 KB Output is correct
9 Correct 66 ms 632 KB Output is correct
10 Correct 66 ms 632 KB Output is correct