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ruslelena [56]
3 years ago
7

Write a programme to find the sum of first three cube number?

Computers and Technology
1 answer:
aleksandrvk [35]3 years ago
7 0

// Simple Java program to find sum of series

// with cubes of first n natural numbers

import java.util.*;

import java.lang.*;

class GFG {

/* Returns the sum of series */

public static int sumOfSeries(int n)

{

int sum = 0;

for (int x = 1; x <= n; x++)

sum += x * x * x;

return sum;

}

// Driver Function

public static void main(String[] args)

{

int n = 5;

System.out.println(sumOfSeries(n));

}

}

// Code Contributed by Mohit Gupta_OMG <(0_o)>

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Define print_shape() to print the below shape. Example output:
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The print_shape() is an illustration of Python function; whose execution is carried out when the function is called

<h3>The print_shape() function</h3>

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2 years ago
Microsoft Word
ValentinkaMS [17]
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3 years ago
Read 2 more answers
When the computer begins to run a program
Ne4ueva [31]

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1.the program is moved from secondary storage to memory.

Explanation:

Secondary storage media generally have greater storage capacity than RAM (random access memory), for this reason the data and program are stored there.

but ram memories are much faster, for example, a solid state disk (SSD) with SATA III connection can have read and write speeds of approximately 500 MB/s, while a DDR III RAM can have speeds between 12 and 18 GB/S, that is, more than 20 times faster.

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Suppose you have a file of data of approximately 100,000 personnel records (FYI, 213 = 8192 and 214 = 16384) using Social Securi
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Answer:

See explaination

Explanation:

The reasons why indexed sequential search structure is better are:

1. In index sequential search any field of the records can be used as the key. This key field can be numerical or alphanumerical.

2. Since each record has its data block address, searching for a record in larger database is easy and quick. There is no extra effort to search records. But proper primary key has to be selected to make efficient.

3. This method gives flexibility of using any column as key field and index will be generated based on that. In addition to the primary key and its index, we can have index generated for other fields too. Hence searching becomes more efficient, if there is search based on columns other than primary key.

The reasons why 5 B-tree is better:

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2. B-Tree algorithms are good for accessing pages (or blocks) of stored information which are then copied into main memory for processing. In the worst case, they are designed to do dynamic set operations in O(lg n) time because of their high "branching factor" (think hundreds or thousands of keys off of any node). It is this branching factor that makes B-Trees so efficient for block storage/retrieval, since a large branching factor greatly reduces the height of the tree and thus the number of disk accesses needed to find any key.

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the additional informations is we should first decide to choose which structure is suiatable for which algoritm in terms of space and time and then use the appropriate search algorithm.

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