# Important Programming Interview Questions

## Next Permutation Program Solution

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## Substrings With Concatenation Of All Words Program Solution

Problem Statement You are given a string s and an array of strings words. All the strings of words are of the same length. A concatenated substring in s is a substring that contains all the strings of any permutation of words concatenated. For example, if words = [“ab”,”cd”,”ef”], then “abcdef”, “abefcd”, “cdabef”, “cdefab”, “efabcd”, and “efcdab” are all concatenated strings. “acdbef” is not a concatenated substring because it is not the concatenation of any permutation of words. …

## Divide Two Integers Program Solution

Problem Statement Given two integers dividend and divisor, divide two integers without using multiplication, division, and mod operator. The integer division should truncate toward zero, which means losing its fractional part. For example, 8.345 would be truncated to 8, and -2.7335 would be truncated to -2. We at gradjobopenings.com provide free job alerts of freshers job drives. In this website we list on campus job openings …

## Find The Index Of The First Occurrence In A String Program Solution

Problem Statement Given two strings needle and haystack, return the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack. We at gradjobopenings.com provide free job alerts of freshers job drives. In this website we list on campus job openings for freshers and off campus job openings for freshers and also work from home job openings. This is …

## Remove Element Program Solution

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## Remove Duplicates From Sorted Array Program Solution

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## Reverse Nodes In K-Group Program Solution

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## Swap Nodes In Pairs Program Solution

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## Merge K Sorted List Program Solution

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## Generate Parentheses Program Solution

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