Submission #1503

#	Time	Username	Problem	Language	Result	Execution time	Memory
1503		gs13068	생일수 II (GA4_birthday2)	C++98	10 / 100	1000 ms	884 KiB

birthday2

#include<cstdio>

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

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

• Subtask 1: 10 / 10
• Subtask 2: 0 / 15
• Subtask 3: 0 / 20
• Subtask 4: 0 / 25
• Subtask 5: 0 / 30