Submission #1511

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1511	2013-07-07 14:41:18	gs13068	생일수 II (GA4_birthday2)	C++98	25 / 100	8 ms	9136 KiB

birthday2

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#include<cstdio>
long long a[1000000],an;
void backtracking(long long i,int j)
{
    if(j==0)a[an++]=i;
    else
    {
        backtracking(i*10+3,j-1);
        backtracking(i*10+5,j-1);
        backtracking(i*10+8,j-1);
    }
}
int main()
{
    long long x,y,before=0,res=0;
    int i;
    for(i=1;i<=11;i++)backtracking(0,i);
    scanf("%lld%lld",&x,&y);
    for(i=0;i<an;i++)
    {
        if(a[i]>=x&&a[i]<=y)
        {
            res+=before%19980305*a[i]%19980305;
            res%=19980305;
            before=a[i];
        }
    }
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 15 / 15
• Subtask 3: 0 / 20
• Subtask 4: 0 / 25
• Subtask 5: 0 / 30