Problem 139. Determine if a Given Number is a Triangle Number

    Input  = [ 1 2 3 ];
    Output = [ 1 0 1 ];

Solution Comments

Problem Recent Solvers401

Suggested Problems

• Project Euler: Problem 6, Natural numbers, squares and sums.

  2583 Solvers

• Back to basics 19 - character types

  275 Solvers

• Make a random, non-repeating vector.

  11777 Solvers

• matlab indian players

  334 Solvers

• Find the hypotenuse

  716 Solvers

More from this Author56

• Right Triangle Side Lengths (Inspired by Project Euler Problem 39)

  2141 Solvers

• Test if a Number is a Palindrome without using any String Operations

  258 Solvers

• Parcel Routing

  41 Solvers

• Return the first and last characters of a character array

  12419 Solvers

• N-Cards Problem

  157 Solvers