bai_4.cpp

#include <bits/stdc++.h>
using namespace std;

int main() {
  int n, b[50];
  cout << "Nhap n: "; cin >> n;
  for (int i = 0; i < n; i++) {
    cout << "Nhap b[" << i << "] = ";
    cin >> b[i];
  }
  for (int i = 0; i < n - 1; i++)
  for (int j = i + 1; j < n; j++) {
    if (b[i] > b[j]) {
      int temp;
      temp = b[i];
      b[i] = b[j];
      b[j] = temp;
    }
  }
  cout << "Mang b sau khi sap xep tang dan: ";
  for (int i = 0; i < n; i++) {
    cout << b[i] << ' ';
  }
  cout << '\n';
  return 0;
}