Submission #2906

#	Time	Username	Problem	Language	Result	Execution time	Memory
2906		zyslee	다각형 (GA5_polygon)	C++98	0 / 100	0 ms	1088 KiB

polygon

#include <stdio.h>
int main()
{
	long long int a, b, ans, aa, bb;
	scanf("%lld %lld", &a, &b);
	if(b<3){
		printf("0");
		return 0;
	}
	if(a<3) a = 3;
	aa = (a+1)/2*2;
	bb = (b+1)/2*2;
	ans = (bb+aa)*(bb-aa+2)/4;
	printf("%lld", ans);
}

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