Submission #2207

#TimeUsernameProblemLanguageResultExecution timeMemory
2207jwvg0425생일수 II (GA4_birthday2)C++98
10 / 100
1000 ms1324 KiB
#include<stdio.h>
int x,y;
int num[8];
int NumTo()
{
	int n=0,i,j=1;
	for(i=0;num[i]!=0;i++,j*=10)
	{
		n=n+j*num[i];
	}
	return n;
}
void add2(int idx)
{	
	if(num[idx]==8)
	{
		num[idx]=3;
		add2(idx+1);
	}
	else if(num[idx]==5)num[idx]=8;
	else if(num[idx]==3)num[idx]=5;
	else if(num[idx]==0)num[idx]=3;

}
void add()
{
	add2(0);
}

int main()
{
	int i=0,a,b=0;
	long long int s=0;
	scanf("%d %d",&x,&y);
	a=x;
	for(;x;x/=10)
	{
		num[i++]=x%10;
	}
	i=0;
	for(;b!=y;)
	{
		add();
		b=NumTo();
		s=(s+(long long int)a*b)%19980305;
		a=b;
	}
	printf("%lld",s);
}
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