Submission #2874

#	Time	Username	Problem	Language	Result	Execution time	Memory
2874		pl0892029	다각형 (GA5_polygon)	C++98	100 / 100	0 ms	1088 KiB

polygon

#include <cstdio>

int main() {
	int a,b;
	scanf("%d %d",&a,&b);
	if( a<3 ) a=3;
	if( b<a ) b=a-1;
	a++;
	a/=2, b/=2;
	printf("%lld",(long long)(b-a+1)*(a+b));
}

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