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Calculate the sum of the integers from 1 to 10 using while loop

#include <iostream> using std::cout; using std::endl; int main() {    int sum;     int x;     x = 1;     sum = 0;     while ( x <= 10 )    {       sum += x;       x++;    }    cout << "The sum is: " << sum << endl;    return 0; } The sum is: 55