Submission #2815

#	Time	Username	Problem	Language	Result	Execution time	Memory
2815		mh5664	다각형 (GA5_polygon)	C++98	0 / 100	0 ms	1088 KiB

polygon

#include <stdio.h>

int main ()
{
	long long int n, m;

	scanf ("%lld %lld", &n, &m);

	long long int sol;
	--n;
	if (n < 2)
		n = 2;
	if (n % 2 == 1)
		--n;
	if (m % 2 == 1)
		--m;
	sol = ((m / 2) + 1) * m / 2 - ((n / 2) + 1) * n / 2;
	printf ("%lld", sol);
	return 0;
}

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