Submission #7627

#	Time	Username	Problem	Language	Result	Execution time	Memory
7627		gs13068	팩토리얼 세제곱들의 합 (YDX14_fact)	C++98	0 / 1	0 ms	1088 KiB

fact

#include<cstdio>

int a[4][5]={{0,0,0,0,0},{1,2,4,1,4},{1,2,6,2,8},{1,2,1,6,5}};

int main()
{
  int i,n,m;
  scanf("%d%d",&n,&m);
  if(m==0)
  {
    while(n%10==0)n/=10;
    printf("%d",n%10);
  }
  else
  {
  	if(n>4)n=4;
  	printf("%d",a[m][n]);
  }
}

• Subtask 1: 0 / 1