1858966_ac_0ms_44k.c

北大大牛代码 1240道题的原代码 超级权威

# include <stdio.h>
# include <math.h>
# define e 2.7182818284590452354
void main()
{
  int n;
  double  M, N, T;
  scanf("%d",&n);
  while(n--)
  {
   scanf("%lf",&N);
   T = log10(sqrt(4*asin(1)*N));
   T += N*log10(N/e);
   printf("%ld\n",(long)T+1);
  }
}