so_lon_nhat.cpp

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

int main() {
  int n, a[100];
  cout << "Nhap n: ";
  cin >> n;
  for (int i = 0; i < n; i++) {
    cout << "Nhap a[" << i << "] = ";
    cin >> a[i];
  }
  int ma = a[0];
  for (int i = 1; i < n; i++) {
    if (a[i] > ma) ma = a[i];
  }
  cout << "Phan tu lon nhat: " << ma;
}