Programming Articles - Page 1952 of 3363

In this problem, we are given the size of a chessboard. Our task is to create a program to find number of squares in a chessboard in C++.Problem Description − To find the number of squares in a chessboard. We will have to calculate all the combinations of the square that are inside the chessboard i.e. we will consider squares of side 1x1, 2x2, 3x3 … nxn.Let’s take an example to understand the problem, Input: n = 4.Output: 30Squares of size 1x1 -> 16 Squares of size 2x2 -> 9 Squares of size 3x3 -> 4 Squares of size 4x4 ... Read More

In this problem, we are given a quadratic equation of type ax2 + bx + c, where a, b and c are constants. Our task is to create a program to find number of solutions in Quadratic Equation in C++.Problem Description − Here, we need to find the numbers of solutions for a quadratic equation that can have at max 2 solutions.Let’s take a few examples to understand the problem, Example 1:Input − 3x2 + 7x + 4Output − 2Explanation − the two solutions of the equation are 1 and 4/3.Example 2:Input − x2 - 4x + 4Output − 1Explanation ... Read More

In this problem, we are given an integer n that denotes the nth term of the series. Our task is to create a program to find N-th term of series 9, 23, 45, 75, 113… in C++.Problem Description − Here, we need to find the nth term of the series for which we will be finding the general term of the series.The series is 9, 23, 45, 75, 113, 159, 213, …Let’s take an example to understand the problem, Input − n = 5output − 159Solution Approach, The general term of the given series isNth term = ( ((2*N + ... Read More

In this problem, we are given a number n that denotes the nth term of the series. Our task is to create a program to find the N-th term of series 7, 21, 49, 91, 147, 217, …… in C++.Problem Description - We will find the nth term of the series 7, 21, 49, 91, 147, 217, … and for that, we will deduce the general term of the series.Let’s take an example to understand the problem, Input − N = 5Output − 147Solution Approach:Let’s deduce the general term of the given series. The series is −7, 21, 49, 91, ... Read More

In this problem, we are given a number N. Our task is to create a program to find N-th term of series 4, 14, 28, 46, 68, 94, 124, 158, …..in C++.Problem Description − To find the Nth term of series4, 14, 28, 46, 68, 94, 124, … (N-terms),  We will find the general term of the series and calculate the value based on the value of n.Let’s take an example to understand the problem, Input − N = 5Output − 68Solution Approach:Let’s deduce the general term of the given series. The series is:4, 14, 28, 46, 68, 94, 124….We ... Read More

In this problem, we are given a number N. Our task is to create a program to find N-th term of series 3, 12, 29, 54, 87, … in C++.The series is3, 12, 29, 54, 87, 128, .... N-TermsLet’s take an example to understand the problem, Input − N = 5Output − 87Solution Approach:Let’s deduce the general term of the given series. The series is −3, 12, 29, 54, 87, 128, ....The general term of this series isTn = 4(n2 ) - 3*n + 2Using the general term formula, we can find any value of the series.For example, T8 = ... Read More

In this tutorial, we will be discussing a program to find N-th term of series 3, 12, 29, 54, 86, 128, 177, 234, …..For this we will be provided with a number. Our task is to find the term for the given series at that particular position.Example Live Demo#include #include using namespace std; //calculating nth term of given series int nthTerm(int n) {    return 4 * pow(n, 2) - 3 * n + 2; } int main() {    int N = 4;    cout

In this problem, we are given a number N. Our task is to create a Program to find N-th term of series 3, 6, 18, 24, … in C++.Problem Description − To find the Nth term of the series −3, 6, 18, 24, 45, 54, 84 … N TermsWe need to find the general formula for the given series.Let’s take an example to understand the problem, Input − N = 10Output − 150Solution Approach:To find the general term of the series, we will first observe the series and check all the possible generalizations of the series. Like, 3 is common ... Read More

In this problem, we are given a number N. Our task is to create a Program to find N-th term of series 3 , 5 , 21 , 51 , 95 , … in C++.Problem Description − To find the Nth terms of the series −3, 5, 21, 51, 95, 153, … N-TermsWe need to find the general formula of the series, which is a quadratic equation (based increase in the series).Let’s take an example to understand the problem, Input − N = 6Output − 153Solution Approach:To solve the problem, we will find the general formula for the nth term ... Read More

In this problem, we are given a number N. Our task is to create a program to find N-th term of series 2, 4, 3, 4, 15… in C++.Problem Description − To find the sum of the given series, 2, 4, 3, 4, 15, 0, 14, 16 .... N termsWe will find the formula for the general term of the series.Let’s take an example to understand the problem, Input − N = 9Output − 9Solution Approach:The increase of the values in the series is linear i.e. no square values are in the series. Also, it’s value depends on other factors ... Read More