C实例 Lcm

#include<stdio.h>



int main() {

   int a, b, max, step, lcm;



   a   = 3;

   b   = 4;

   lcm = 0;



   if(a > b)

      max = step = a;

   else

      max = step = b;



   while(1) {

      if(max%a == 0 && max%b == 0) {

         lcm = max;

         break;    

      }



      max += step;

   }



   printf("LCM is %d", lcm);

   return 0;

}