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#include<iostream.h> int main() { int sum,n,temp,rem; cout<<"The Armstrong number between the range 1 to 500 are : \n";  for(int x=1;x<=500;x++) { n=x; sum=0; temp=n; do { rem=n%10; n=n/10; sum=sum+rem*rem*rem; }while(n!=0); if(sum==temp) cout<<x<<"\t"; } cout<<"\t"; return 0; } Output:  The Armstrong number between the range 1 to 500 are : 1        153         370       371        407

#include<iostream.h> int main() {       int sum,temp,rem,n;      cout<<"Enter the number \n";      cin>>n;      cout<<" Entered number is \t";      cout<<n;      cout<<"\n";      sum=0;       temp=n;       do         {                 rem=n%10;                 n=n/10;                 sum=sum+rem*rem*rem;            }while(n!=0);      if(sum==temp)             cout<...