Submission #31577

#	Time	Username	Problem	Language	Result	Execution time	Memory
31577		huynd2001	Hacker (BOI15_hac)	C++14	20 / 100	59 ms	9828 KiB

hac

/*huypheu
4
6 8 4 7
*/

#include <bits/stdc++.h>
#define int long long
using namespace std;

int a[500007];
int su[500007];

signed main()
{
	int n;
	scanf("%lld",&n);
	for(int i=1;i<=n;i++)
	{
		scanf("%lld",&a[i]);
	}
	int la=(n/2);
	for(int i=1;i<=n;i++)
	{
		su[i]=su[i-1]+a[i];
	}
	int mi=0;
	for(int i=2;i<=n-la+1;i++)
	{
		mi=max(mi,su[i+la-1]-su[i-1]);
	}
	printf("%lld",su[n]-mi);
	return 0;
}

Compilation message (stderr)

hac.cpp: In function 'int main()':
hac.cpp:16:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld",&n);
                  ^
hac.cpp:19:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld",&a[i]);
                      ^

• Subtask 1: 0 / 20
• Subtask 2: 0 / 20
• Subtask 3: 20 / 20
• Subtask 4: 0 / 40