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- #include <iostream>
- using namespace std;
- int poramni(int broj) {
- if(broj == 0) {
- return 0;
- }
- int cifra = broj % 10;
- return poramni(broj / 10) * 10 + cifra;
- }
- int main()
- {
- int x;
- cin >> x;
- cout << poramni(x) << endl;
- return 0;
- }
- // poramni(456) = poramni(45) * 10 + 6 = 45 * 10 + 6 = 456
- // poramni(45) = poramni(4) * 10 + 5 = 4 * 10 + 5 = 45
- // poramni(4) = poramni(0) * 10 + 4 = 0 * 10 + 4 = 4
- // poramni(0) = 0
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