The phrases "or 1=1" and "or ''=''" are typical examples used to manipulate an SQL WHERE clause into evaluating as true.
Consequently, if you type in <span>' or ''=' as your password, you can authenticate if the query would be:
</span><span>select username,pass from users where username='you' and password='' or ''='<span>' limit 0,1;</span></span>
Here's a C++ code snippet: #include <bits/stdc++.h> using namespace std; int main() { int n=50; int arr[n]; cout << "Enter 50 integers: "; for (int i = 0; i < n; i++) cin >> arr[i]; cout << endl; sort(arr,arr+n); for (int i = 0; i < n; i++) { cout << "pair which gives sum equal to " << arr[i] << " is:"; for (int j = 0; j < n; j++) for (int k = j + 1; k < n; k++) if (arr[i] == arr[j] + arr[k]) cout << "(" << arr[j] << " & " << arr[k] << ")" << ","; cout << endl; cout << "*******************************" << endl; } return 0; } The program will gather 50 integers from the user, sort them in ascending order, and identify all pairs that total to any of the array's elements, followed by printing those pairs.