SunTec Business Solutions Associate Software Engineer Developer interview questions

I have attended this process in 2020. 1- Simple aptitude and one coding question 2-Two Coding Questions 3-TR along with one coding question in hackerrank. 4-HR Interview(Basic Questions) 5-CEO Interview(May ask about project also)

first round was tech round and then second round is hr round and then directors interview.question was from data structure and algorithm there was two question one is from string and from array there is two dimensional array.And then convetred it in to one dimension array in time complexity is O(n).