제출 #1998

#제출 시각아이디문제언어결과실행 시간메모리
1998gs13105생일수 II (GA4_birthday2)C++98
10 / 100
202 ms2108 KiB
#include <stdio.h>

long long arr[100001];

int main()
{
	int x,y,a=0,f,i,t;
	long long s=0;
	scanf("%d%d",&x,&y);
	for(i=x;i<=y;i++)
	{
		t=i;
		f=1;
		while(1)
		{
			if(t%10!=3&&t%10!=5&&t%10!=8)
			{
				f=0;
				break;
			}
			if(t<10)
				break;
			t/=10;
		}
		if(f==1)
			arr[a++]=i;
	}
	for(i=0;i<a-1;i++)
	{
		s+=arr[i]*arr[i+1]%19980305;
		s%=19980305;
	}
	printf("%lld",s);
	return 0;
}
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