Cifra de control a unui numar

CControl

#include<stdio.h>
using namespace std;
int cate_cifre(int check) {
  int rasp = 0;
  while(check>0) {
    check/=10;
    rasp++;
  }
  return rasp;
}

int reduce(int orig) {
  int rasp = 0;
  while(orig!=0) {
    rasp+=orig%10;
    orig/=10;
  }
  return rasp;
}

int main() {
  int numar;
  printf("Introduceti numar: ");
  scanf("%d",&numar);
  while(cate_cifre(numar) > 1)
    numar = reduce(numar);
  printf("Cifra de control a numarului este %d\n",numar);
  return 0;
}

Programul pare ok.

You should leave a blank line between the programm's functions.Beside this,your code looks good.

@taygun Yeah, completely forgot about that! Fixing now...