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faisal95

P5

Jul 6th, 2015
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  1. #include<stdio.h>
  2.  
  3. int main() {
  4. int a[1000],i,size,max,flag=0;
  5.  
  6. scanf("%d",&size);
  7.  
  8. for (i=0; i<size; i++)
  9. scanf("%d",&a[i]);
  10.  
  11. max= a[0];
  12. for (i=0; i<size; i++) {
  13. if (a[i]>max) {
  14. max=a[i];
  15. }
  16. }
  17. printf("Maximum number: %d\n",max);
  18. for(i=2;i<=max/2;i++)
  19. {
  20. if(max%i==0)
  21. {
  22. flag=1;
  23. break;
  24. }
  25. }
  26. if (flag==0)
  27. printf("%d is a prime number.",max);
  28. else
  29. printf("%d is a composite number.",max);
  30.  
  31. }
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