Sudhir sharma has Published 441 Answers

Print a case where the given sorting algorithm fails in C++

sudhir sharma
sudhir sharma
Published on 27-Jan-2020 06:49:40
In this problem, we are given a sorting algorithm and a number n. Our task is to print an array of n elements that could not be sorted by the algorithm. i.e the algorithm will fail.Algorithmloop i from 1 to n-1    loop j from i to n-1    if ... Read More

Print a closest string that does not contain adjacent duplicates in C++

sudhir sharma
sudhir sharma
Published on 27-Jan-2020 06:45:00
In this problem, we are given a string. Our task is to print a string that is closest to the current string and does not contain any adjacent duplicate characters.Let’s take an example to understand the problemInput: string = “good” Output: goadIn this example, we found that the elements at ... Read More

Print a given matrix in counter-clockwise spiral form in C++

sudhir sharma
sudhir sharma
Published on 27-Jan-2020 06:41:30
In this problem, we are given a 2-dimensional matrix. And our task is to print the elements of the matrix in a counter-clockwise spiral from.Counterclockwise Spiral Form − It is a spiral traversal which starts from top-left and the goes in the counter-clockwise direction to first bottom-right-up-left.The counter-clockwise traversal will ... Read More

Print a given matrix in reverse spiral form in C++

sudhir sharma
sudhir sharma
Published on 27-Jan-2020 06:37:49
In this problem, we are given a 2-dimensional matrix. Our task is to print all the elements of the matrix in reverse spiral form.Let’s take an example to understand the problemInput:    12 23 54 67    76 90 01 51    43 18 49 5    31 91 75 ... Read More

Print a given matrix in zigzag form in C++

sudhir sharma
sudhir sharma
Published on 27-Jan-2020 06:35:13
In this problem, we are given a 2-dimensional matrix. Our task is to print the zigzag form of the matrix.Let’s take an example to understand the problemInput:    12 99 43    10 82 50    15 75 5 Output: 12 99 43 50 82 10 15 75 5To solve ... Read More

Print a matrix in a spiral form starting from a point in C++

sudhir sharma
sudhir sharma
Published on 27-Jan-2020 06:33:03
In this problem, we are a 2d matrix and a point P(c, r). Our task is to print all elements of the matrix in a spiral form (anti-clockwise) that starts from a given point P.Let’s take an example to understand our problem, Input: matrix[][] = {{3, 5, 7} } Output:To ... Read More

Print a matrix in alternate manner (left to right then right to left) in C++

sudhir sharma
sudhir sharma
Published on 27-Jan-2020 06:30:20
In this problem, we are given a 2D array. Our task is to print all the elements of the array starting from the first row, from left to right, then right to left in the next row and again from left to right and so on.Let’s take an example to ... Read More

Print a matrix in Reverse Wave Form in C++

sudhir sharma
sudhir sharma
Published on 27-Jan-2020 06:28:04
In this problem, we are given a matrix. Our task is to print the matrix in reverse waveform in a single line.This example will make the problem clear, Input:    1 4 6 11    2 5 8 54    7 9 3 43    1 7 4 34 Output: ... Read More

Print a number containing K digits with digital root D in C++

sudhir sharma
sudhir sharma
Published on 27-Jan-2020 06:25:17
In this problem, we are given two numbers K and D. Our task is to print a number of k digits and which has digital root equal to D.Digital Root is a single-digit value which is the result of the recursive addition of the digits of the number till the ... Read More

Print a number strictly less than a given number such that all its digits are distinct in C++

sudhir sharma
sudhir sharma
Published on 27-Jan-2020 06:22:56
In this problem, we are given a number n. Our task is to print the largest number less than n such that all its digits are distinct.Let’s take an example to understand the problemInput: n = 2332 Output: 2319To solve this problem, we reverse the count of the numbers i.e. ... Read More
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