find the pblm..it was square every number left 5….please help me to solve it

#include<stdio.h>

void outnum(void);
main()
{
printf(“Enter the number:”);
outnum();
printf(“check”);

}
void outnum(void)
{
int num,ans;
scanf(“%d”,&num);
ans=pow(num,2);
printf(“Square of the number is= %dn”,ans);
return 0;
}