# Software Testing Engineer Interview Questions

Software testing engineer interview questions shared by candidates

## Top Interview Questions

Assume a matrix of integers they are sorted in boh row and column vice .. how do u find a given number from the matrix in a optimal way? Let the matrix is n*m matrix. Then O(n log m) solution is trivial (binary search in each row). There is a easy O(n+m) solution too. The idea is to start from upper right corner (mat[0][m-1]) and traverse toward lower left corner (mat[n-1][0]). On the way check each entry and depending on whether larger go left or down. If there is a solution you will find it on the way. Or you will arrive to a point where you can no longer move without going out of the matrix. Either way you will check at most O(n+m) entries thus the solution in O(n+m). I think it could be done even better than in O(n+m). Instead of starting at the upper right corner do a binary search on last column and find the biggest element that is still smaller than the given number. Say it's gonna be A[i, m-1]. Now we could throw away all rows up to an including i (since A[i, m-1] is larger than all of these elements) and the last column. Repeat everything for a smaller matrix of size (n - i, m - 1); To elaborate a little on dp's idea and add my take on it I would do a binary search on the last column to find the interval where the number is in. This interval will be one row within the matrix (assuming the value is not in the last column) and to find the interval should be O(log n). Then I would do a binary search on the row that remains which should cost O(log m). Combined that would be O(log n) + O(log m). Let me know what you guys think of this solution. Show more responses |

Consider a stack of N number of cards which are piled up and in facing down. Each card has a unique number from the range 1 to N. The card is stacked in such a way that it exhibits the following behavior: Take the first card and put it under the stack without revealing. Now the next card on the top will have the number 1 on it. Next take 2 cards one after the other and put is under the stack without revealing. Yes you guessed it right - the next card on the top will reveal a value of 2. This goes on. Eg. for such a series : 9,1,8,5,2,4,7,6,3,10 [for N=10] Write a program to generate such a series for a given N number of cards so that this behavior can be exercised. |

Given a string, konylabsinterview write a program to return bool if a given pattern matches.pattern example - kon*lab*terview* |

what is difference between stlc and sdlc? Difference between functional and non-functional.? Black box testing?I was asked some negative scenoriao for upload photo. About academic project and roles and responsibolity.smoke testing |

1.How much testers working? If you tell 4 testers , he will ask why 4 too many.. If you tell two why only two he will ask? 2.Why your company dont have agile? 3.If you tell that you have stand up meeting in non agile, he will ask, in agile only stand up meeting happen, he will reply.. The thing is stand up meeting is normal in all company, it is not a goverment policy that Agile process only has stand up meeting.. 4. What is your project dead line? 5.Do you have any fight with your team lead? So you planned to quit? |

Questions based on Testing concepts |

In a sequence of alphabets (like aaabbddaabbcc) write a program to find the number of the consecutive alphabets in and print the alphabet and number. example :if input is aaabbddaabbcc then output should be 3a, 2b, 2d, 2a, 2b, 2c |

Do you think SDET deserve this much salary? |

What are the attributes of the anchor tag? How do you get an image within a webpage, clicking on which can take you to another webpage? |

1. write a programme to Calculate the angle between hour hand and minute hand. 2.It was related to pattern of stars(*). |

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