Write a C++ program to print right triangle of alphabets in reverse pattern using for loop.
#include<iostream> using namespace std; int main() { int rows; cout << "Enter Right Triangle Reverse Characters Rows = "; cin >> rows; cout << "Right Triangle of Characters in Reverse Pattern\n"; int alphabet = 65; for (int i = rows - 1; i >= 0; i--) { for (int j = rows - 1; j >= i; j--) { cout << char(alphabet + j) << " "; } cout << "\n"; } }

C++ program to print the right angled triangle pattern of alphabets in reverse order using a while loop.
#include<iostream> using namespace std; int main() { int i, j, alphabet, rows; cout << "Enter Right Triangle Reverse Characters Rows = "; cin >> rows; cout << "Right Triangle of Characters in Reverse Pattern\n"; alphabet = 65; i = rows - 1; while (i >= 0) { j = rows - 1; while (j >= i) { cout << char(alphabet + j) << " "; j--; } cout << "\n"; i--; } }
Enter Right Triangle Reverse Characters Rows = 13
Right Triangle of Characters in Reverse Pattern
M
M L
M L K
M L K J
M L K J I
M L K J I H
M L K J I H G
M L K J I H G F
M L K J I H G F E
M L K J I H G F E D
M L K J I H G F E D C
M L K J I H G F E D C B
M L K J I H G F E D C B A
This C++ pattern example displays the right angled triangle of alphabets in reverse order or descending order using the do while loop.
#include<iostream> using namespace std; int main() { int i, j, alphabet, rows; cout << "Enter Right Triangle Reverse Characters Rows = "; cin >> rows; cout << "Right Triangle of Characters in Reverse Pattern\n"; alphabet = 65; i = rows - 1; do { j = rows - 1; do { cout << char(alphabet + j) << " "; } while (--j >= i); cout << "\n"; } while (--i >= 0); }
Enter Right Triangle Reverse Characters Rows = 15
Right Triangle of Characters in Reverse Pattern
O
O N
O N M
O N M L
O N M L K
O N M L K J
O N M L K J I
O N M L K J I H
O N M L K J I H G
O N M L K J I H G F
O N M L K J I H G F E
O N M L K J I H G F E D
O N M L K J I H G F E D C
O N M L K J I H G F E D C B
O N M L K J I H G F E D C B A