제출 #1500

#제출 시각아이디문제언어결과실행 시간메모리
1500gs13068생일수 II (GA4_birthday2)C++98
10 / 100
424 ms1324 KiB
#include<cstdio>

bool isbirthday(int x)
{
  while(x)
  {
    if(x%10!=3&&x%10!=5&&x%10!=8)return false;
    x/=10;
  }
  return true;
}

int main()
{
  int i,a,b;
  long long before=0,res=0;
  scanf("%d%d",&a,&b);
  for(i=a;i<=b;i++)
  {
    if(isbirthday(i))
    {
      res+=before*i;
      res%=19980305;
      before=i;
    }
  }
  printf("%lld",res);
}
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