hw1.rar_Happy!

#include <iostream> #include <map> #include <set> #include <stdlib.h> using namespace std; int k, j = 0; int SumofSq(int num) { //a function that gives sum of the square of digits int newnum = 0; while (num > 0) { int digit = num % 10; newnum += digit * digit; num /= 10; } num = newnum; } bool Happy(int num){ //use boolean to determine if happy or not int temp = 0; while (num != 1) { if (k == j) exit(1); num = SumofSq(num); if (temp++ > 10) { return 0; //Not Happy Number } } j++; return 1; //Happy Number } int main() { //the main function that calculates the first 100000 happy #s int count = 0; long int num = 1, p = 0; while (count != 100001){ int out = Happy(num); if (out==1) { cout<<num<<" "; count++; p++; } if (p==10){ cout<<endl; p=0; } num++; } return 0; }