Submission #7800

#TimeUsernameProblemLanguageResultExecution timeMemory
7800Inhibitor다각형 (GA5_polygon)C++98
100 / 100
0 ms1088 KiB
#include<cstdio>
int main()
{
	long long a,b;
	scanf("%lld%lld",&a,&b);
	a=(a+1)/2; b/=2;
	if(a==1) a++;
	if(a>b) printf("0");
	else printf("%lld",(b-a+1)*(a+b));
}
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