C语言库exp()函数

#include <stdio.h>
#include <math.h>

int main () {
   double x = 0;

   printf("The exponential value of %lf is %lf/n", x, exp(x));
   printf("The exponential value of %lf is %lf/n", x+1, exp(x+1));
   printf("The exponential value of %lf is %lf/n", x+2, exp(x+2));

   return(0);
}