Submission #16017

#	Time	Username	Problem	Language	Result	Execution time	Memory
16017		evenharder	다각형 (GA5_polygon)	C++98	100 / 100	0 ms	1084 KiB

polygon

#include<stdio.h>
long long int calc(long long int x)
{
	if(x<=2) return 2;
	else return (x/2)*(x/2+1);
}
int main()
{
	long long int a,b;
	scanf("%lld%lld",&a,&b);
	printf("%lld",calc(b)-calc(a-1));
}

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