C语言函数

#include <stdio.h>

int main() {

   int set1[5] = {10, 20, 30, 40, 50};
   int set2[5] = {101, 201, 301, 401, 501};
   int i, max;

   /* Process first set of numbers available in set1[] */
   max = set1[0];
   i = 1;    
   while( i < 5 ) {

      if( max <  set1[i] ) {
         max = set1[i];
      }
      i = i + 1;
   }

   printf("Max in first set = %d\n", max );

   /* Now process second set of numbers available in set2[] */
   max = set2[0];
   i = 1;    
   while( i < 5 ) {
      if( max <  set2[i] ) {
         max = set2[i];
      }
      i = i + 1;
   }
   printf("Max in second set = %d\n", max );
}