제출 #2707

#제출 시각아이디문제언어결과실행 시간메모리
2707gs13068다각형 (GA5_polygon)C++98
0 / 100
0 ms1088 KiB
#include<cstdio>

long long get(long long x)
{
  if(x==1)return 0;
  return (x/2)*(x/2+1)-2;
}

int main()
{
  long long a,b;
  scanf("%lld%lld",&a,&b);
  printf("%lld",get(b+1)-get(a));
}
#Verdict Execution timeMemoryGrader output
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