# Software Development Engineer Intern Interview Questions

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“Determine if an array from 1..n has a duplicate in constant time and space.” |

“To find and return the common node of two linked lists merged into a 'Y' shape.” |

“You are given an array with n positive integers where all values in the array are repeated except for one. Return the one that is not repeated.” |

“To return the 'm' smallest numbers from a file of 'n' numbers” |

“Write a function that takes in an array and repeats an integer that appears the most.” |

“Write a program to find the square root of a double.” |

1 of 1 found helpful |

“Given the head pointers to two linked lists of unknown length, find the node of intersection if they do intersect.” |

1 of 1 found helpful |

“Make a program that writes a Binary Search Tree to a file. Now create a program that reads those files and recreates a Binary Search Tree.” |

“Write a program that sees if two binary trees are equal.” |

1 of 1 found helpful |

“Given an array of integers, all but one of which appears an even number of times, find the one integer which appears an odd number of times. Upon completion, asked to improve the algorithm in terms...” |

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