2. Assume a declarative interface where n and max are constant integers, and A is an array ofintegers of size max. Consider the following correctness statement:ASSERT ( 1 < n <= maxint i;i = n-1;A [n-1] = 1;while( i >= 1) {A[i-1]= A[i]ni + 1;i = i-1%;}ASSERT ForAll(k = 0%; k < n) A[k]==(n-k)* (n-k+1)/2)1(a) Give a complete proof tableau for the above correctness statement by adding all theintermediate assertions. State all the mathematical facts that are used in the proof.Hints: As our discussion in class will also emphasize the following two assertions areobvious tautologies:Forall (k=i; kForall (k=i; kP(i) && Forall (k=i+1; k

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Answered: 2. Assume a declarative interface where…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Java Programming language Chef recorded a video explaining his favorite recipe. However, the size of the video is too large to upload on the internet. He wants to compress the video so that it has the minimum size possible. Chef's video has N frames initially. The value of the ith frame is A₂. Chef can do the following type of operation any number of times: Choose an index i (1 ≤ i ≤ N) such that the value of the ith frame is equal to the value of either of its neighbors and remove the ith frame. Find the minimum number of frames Chef can achieve. Input 1 2 11 output 1
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