You are given a N X N integer matrix. You have to find the sum of all the main diagonal elements of A. Main diagonal of a matrix A is a collection of elements A[i, j] such that i = j. Input Format ...

// 3. WAP in C to find diagonal sum of the matrix(5x5 / 3x3).

Abstract: In real life, many problems can be expressed as zero-one quadratic programming problems. Therefore, it is of great significance to study how to solve the zero-one quadratic programming ...