№1

#include <iostream>
using namespace std;
int main() {
int *arr; int size;
cout << "n = ";
cin >> size;
if (size <= 0) {
 cerr << "Invalid size" << endl; return 1;
}
arr = new int[size]; 
for (int i = 0; i < size; i++) {
 cout << "arr[" << i << "] = "; cin >> arr[i];
}
int temp;
for (int i = 0; i < size - 1; i++) {
 for (int j = 0; j < size - i - 1; j++) {
  if (arr[j] > arr[j + 1]) {
   temp = arr[j]; arr[j] = arr[j + 1]; arr[j + 1] = temp;
  }
 }
}
for (int i = 0; i < size; i++) {
  cout << arr[i] << " ";
}
cout << endl;
delete[] arr;
return 0;
}