Write a C++ code to Get an integer n from the user and print true if the given integer n is a triangular number, and false otherwise. User can enter any integer as input.   FOR LOOP, NESTED LOOPS, BREAK STATEMENT, ARRAYS ARE NOT ALLOWED. FUNCTIONS ARE NOT ALLOWED USE WHILE LOOP, IF ELSE.

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The ancient Greeks classify numbers geometrically. For example, a number was called “triangular”
if that number of pebbles could be arranged in a symmetric triangle. The first ten triangular numbers
are 0, 1, 3, 6, 10, 15, 21, 28, 36, and 45.
Write a C++ code to Get an integer n from the user and print true if the given integer n is a triangular number, and
false otherwise. User can enter any integer as input.

 

FOR LOOP, NESTED LOOPS, BREAK STATEMENT, ARRAYS ARE NOT ALLOWED. FUNCTIONS ARE NOT ALLOWED

USE WHILE LOOP, IF ELSE.

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