Submission #7793

#	Time	Username	Problem	Language	Result	Execution time	Memory
7793		Fakeable	다각형 (GA5_polygon)	C++98	0 / 100	0 ms	1088 KiB

polygon

#include<cstdio>
int main()
{
	int n,n_,m;
	long long int sum=0;
	scanf("%d %d",&n,&m);
	n_=n;
	m/=2;
	if(n%2==0) n/=2;
	else n=n/2+1;
	sum=2*(m*(m+1)/2-n*(n-1)/2);
	if(n_<3) sum-=2;
	printf("%lld",sum);
	return 0;
}

• Subtask 1: 0 / 60
• Subtask 2: 0 / 10
• Subtask 3: 0 / 30