Răspuns:
#include <iostream>
using namespace std;
int main() {
int A, B, C, aux;
cin >> A >> B >> C;
if (A > B ){
aux = A;
A = B;
B = aux;
}
if (A > C) {
aux = A;
A = C;
C = aux;
}
if (B > C) {
aux = B;
B = C;
C = aux;
}
cout << A << " " << B << " " << C;
return 0;
}