Answer to Question #28603 in C++ for bala

Question #28603
Use for loops to construct a program that displays a pyramid of Xs on the screen. The pyramid should look like this X XXX XXXXX XXXXXXX XXXXXXXXX except that it should be 20 lines high, instead of the 5 lines shown here. One way to do this is to nest two inner loops, one to print spaces and one to print Xs, inside an outer loop that steps down the screen from line to line.
Expert's answer
#include <iostream> using namespace std;
void main()
{
for (int i= 0; i < 20; i++) // for i = 0 to i < 20
{
for(int j = 0; j <= i; j++) // for j = 0 to j <= i
{
cout<< "X"; // print X
}
cout<< endl; // print end of line
}
}

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