제출 #2783

#제출 시각아이디문제언어결과실행 시간메모리
2783domece다각형 (GA5_polygon)C++98
0 / 100
0 ms1088 KiB
#include<cstdio>
int main(){
	int a,b;
	scanf("%d%d",&a,&b);
	b-=b%2;
	a+=a%2;
	if(a==b) printf("%d",a);
	else printf("%d",(a+b)/2*(b-a));
}
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