Given a matrix of NxN find a sub matrix of MxM where M=1 such that addition of all the elements of matrix MxM is maximum. Input of matrix NxN can contain zero, positive and negative integer values.ExampleInput:    {{1, 1, 1, 1, 1},    {2, 2, 2, 2, 2},   ... Read More

We are given an array of some size n and multiple integer values, we need to rotate an array from a given index k.We want to rotate an array from a index k like −ExamplesInput: arr[] = {1, 2, 3, 4, 5}    K1 = 1    K2 = 3 ... Read More

Given an array a[] containing N integers, the challenge is to print k different permutations of indices such that the values at those indices form a non-decreasing sequence. Print -1 if it is not possible.ExampleInput: arr[] = {2, 5, 6, 2, 2, 2, 2}, k = 4 Output:    0 ... Read More

Given an array of size NxM where N number of rows and M number of columns, and the task is to print the number of zeroes in every column of a corresponding matrix after performing sort operation on the basis of number of zeros present in any column.For example if ... Read More

Given an array of size 2X2 and the challenge is to print the sum of all the corner elements stored in an array.Assume a matrix mat[r][c], with some row “r” and column “c” starting row and column from 0, then its corner elements will be; mat[0][0], mat[0][c-1], mat[r-1][0], mat[r-1][c-1]. Now ... Read More

Given four variables a, b, c, d with predefined values that will print the given bracket depending upon the variable used.Where variable, a for (( b for () c for )( d for ))The task is to use all the given brackets and print the balanced bracket expression, if we ... Read More

Given an array a[] with elements and the task is to print the last occurrences of the given elements in the list. Here we not only have to remove the duplicate elements but also we have to maintain the order of the occurrences of the elements in an array as ... Read More

The task is to print the nodes starting from the end of the linked list without using extra space which means there shouldn’t be any extra variable instead the head pointer pointing the first node will be moved.ExampleInput: 10 21 33 42 89 Output: 89 42 33 21 10There can ... Read More

PL/SQL stands for “Procedural Language extension to SQL” . It is the mixture of SQL and Procedural features provided by programming language. It was developed by Oracle Corporation in the late 1980s as procedural extension language for SQL and the Oracle relational database.PL/SQL programs consists of blocks that can be ... Read More

Task is to print the given after the specified character occurrence for given number of times which is specified by the userInput : string = {“I am harsh vaid “}    Char =’a’    Count =2 Output : rsh vaidIt means user specified character ‘a’ and its occurrence 2 so ... Read More