# Tag Archives: triangular-number

Given a range, find the XOR of the smallest and largest triangular numbers within that range. A triangular number is a number that can be… Read More
Given a singly linked list, the task is to replace every node with its closest triangular number. Examples: Input: 3 -> 9 -> 21 ->… Read More
Given numerical string str consisting of N integers, the task is to find the sum of all possible resulting strings after removing non-empty substrings. Examples:… Read More
Given a number N, the task is to find the index of smallest triangular number with N digits.  A number is termed as a triangular… Read More
Given a positive coordinate ‘X’ and you are at coordinate ‘0’, the task is to find the minimum time required to get to coordinate ‘X’… Read More
Given a number N, find the first triangular number whose number of divisors exceeds N. Triangular numbers are sums of natural numbers, i. e., of… Read More
Prerequisite – PL/SQL introduction In PL/SQL code groups of commands are arranged within a block. A block group related declarations or statements. In declare part,… Read More
Given a positive integer n. The task is to find the sum of the sum of first n natural number. Examples:  Input: n = 3Output:… Read More
Given an integer n, find the nth Centered triangular number. Centered Triangular Number is a centered polygonal number that represents a triangle with a dot in… Read More
Given a number s (1 <= s <= 1000000000). If s is sum of the cubes of the first n natural numbers then print n,… Read More
Given n number of buckets and each bucket is numbered from 1 to n and flowers in it are equal to triangular numbers. You have… Read More
Given a number X which represents the floor of a matchstick pyramid, write a program to print the total number of matchstick required to form… Read More
A triangular number or triangle number counts objects arranged in an equilateral triangle, as in the diagram on the right. The n-th triangular number is… Read More
Given n, no of elements in the series, find the summation of the series 1, 3, 6, 10….n. The series mainly represents triangular numbers.Examples:   Input:… Read More
A number is termed as triangular number if we can represent it in the form of triangular grid of points such that the points form… Read More