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3 years ago

Compare and contrast a linked list and an array.

Computers and Technology

1 answer:

Ostrovityanka [42]3 years ago

4 0

Answer:

Differences between arrays and linked list are as following:-

Arrays store elements in contiguous memory location while the linked list does not store elements at contiguous memory location it connects nodes at different memory location.
Array has index to directly access the elements there are no indexes in linked list to directly access the elements.
Linked list contains Nodes which contains the data and the address of the next Node while the array contains only the data in the block.
Traversal over the arrays is easy while the traversal over the linked list is difficult as compared to arrays.

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Write an expression that will cause the following code to print "Equal" if the value of sensorReading is "close enough" to targe

Likurg_2 [28]

Answer:

The program to this question as follows:

Program:

targetValue = 0.3333 #defining variable targetValue and assign value

sensorReading = 0.0 #defining variable sensorReading and assign value

sensorReading = 1.0/3.0 #calculate value in sensorReading variable

Val=sensorReading - targetValue

#calculate the difference and store in Val variable

if (Val < 0.0001): #use of if block to check condition

print ("Equal") #print value

else: #else block

print ("Not equal") #print value

Output:

Equal

Explanation:

In the above Python program code, there are two variables "targetValue and sensorReading" is defined, in which targetValue store a value, that is "0.3333", and sensorReading holds a value, that is "0.0".

In the next step, the "Val" variable is defined, that calculate the difference between both variable, that conditional statement is used.
In if block, if the value is less then "0.0001", it will print value "Equal", otherwise, it will go to the else block, that will print "Not equal".

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3 years ago

Read 2 more answers

Difference between website and web server

Volgvan

Answer:

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2 years ago

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Write a method that accepts a String object as an argument and returns a copy of the string with the first character of each sen

emmainna [20.7K]

Answer:

The programming language is not stated; However, the program written in C++ is as follows: (See Attachment)

#include<iostream>

using namespace std;

string capt(string result)

{

result[0] = toupper(result[0]);

for(int i =0;i<result.length();i++){

if(result[i]=='.' || result[i]=='?' ||result[i]=='!') {

if(result[i+1]==' ') {

result[i+2] = toupper(result[i+2]);

}

if(result[i+2]==' ') {

result[i+3] = toupper(result[i+3]);

}

} }

return result;

}

int main(){

string sentence;

getline(cin,sentence);

cout<<capt(sentence);

return 0;

}

Explanation:

The method to capitalize first letters of string starts here

string capt(string result){

This line capitalizes the first letter of the sentence

result[0] = toupper(result[0]);

This iteration iterates through each letter of the input sentence

for(int i =0;i<result.length();i++){

This checks if the current character is a period (.), a question mark (?) or an exclamation mark (!)

if(result[i]=='.' || result[i]=='?' ||result[i]=='!') {

if(result[i+1]==' '){ ->This condition checks if the sentence is single spaced

result[i+2] = toupper(result[i+2]);

-> If both conditions are satisfied, a sentence is detected and the first letter is capitalized

}

if(result[i+2]==' '){ ->This condition checks if the sentence is double spaced

result[i+3] = toupper(result[i+3]);

-> If both conditions are satisfied, a sentence is detected and the first letter is capitalized

}

} The iteration ends here

return result; ->The new string is returned here.

}

The main method starts here

int main(){

This declares a string variable named sentence

string sentence;

This gets the user input

getline(cin,sentence);

This passes the input string to the method defined above

cout<<capt(sentence);

return 0;

}

Download cpp

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