Programming & Computer Science Answers

Best time to upload a comedy video:

DunkFest channel is planning to upload a video in the "COMEDY" genre

Give the channel the best suitable hour of the day when users positively engage more with comedy videos.

Note:

• Consider positive engagement as LIKE for the videos in the "COMEDY" genre_type.
• Consider reaction_type LIKE as liked.
• Return the hour in the integer format

Expected Output Format

hour_of_engagement no_of_likes

5 ...

Get the top 5 viewed videos that belong to the "GAMING" genre_type.

Note:

• Sort the output in the descending order of no_of_views, and then in the ascending order of video_name.

Expected Output Format

video_name no_of_views

Get to top 5 viewed videos which belong to both the genres "Action" (genre_id = 201 ) and "Comedy" (genre_id = 202).

Note:

• In case, if the no_of_views are same, then sort the output in the ascending order of video_name.

Expected Output Format

video_name no_of_views

Get all the distinct user_ids who liked at least one video uploaded by Android Authority Channel (channel__id = 364) but didn't like the video uploaded by Tech savvy channel with video_id = 1005.

Note:

• Consider reaction_type LIKE as liked
• Sort the output in the ascending order of user_id.

Expected Output Format

user_id

Get all the videos that have more than the average number of views.

Note:

• Sort the output in the ascending order of name.

Expected Output Format

name no_of_views

How many times each user has engaged with the videos of "News for you" channel (id = 366).

Note:

• Consider engagement as LIKE or DISLIKE for a video uploaded by News for you channel.
• Ignore the users who did not engage with the channel at least once.
• Sort the output in the descending order of no_of_reactions, and then in the ascending order of user_id.

Expected Output Format

user_id no_of_reactions......

6. Which of the following is the correct syntax to read a sentence from the user and store in variable "name" in C++?

cin >> name;

getline(name, cin);

cout << name;

getline(cin, name);

Unite Family

Given three objects

father, mother, and child, write a JS program to concatenate all the objects into the family object using the spread operator.Input

• The first line of input contains an object father
• The second line of input contains an object mother
• The third line of input contains an object child

Output

• The output should be a single line string with the appropriate statement as shown in sample outputs

Constraints

• Keys of the objects should be given in quotes

Sample Input

{'surname' : 'Jones', 'city': 'Los Angeles'}

{'dish': 'puddings'}

{'pet': 'Peter'}

Sample Output

Mr and Mrs Jones went to a picnic in Los Angeles with a boy and a pet Peter. Mrs Jones made a special dish "puddings"

String Slicing

Given two strings

inputString and subString as inputs, write a JS program to slice the inputString if it includes the subString. Slice the inputString starting from the subString to the end of the inputString.Input

• The first line of input contains a string inputString
• The second line of input contains a string subString

Output

• The output should be a sliced string or inputString (if the inputString does not include the subString)

Sample Input 1

JavaScript

S

Sample Output 1

Script

Sample Input 2

Language

air

Sample Output 2

Language

"use strict";

process.stdin.resume();

process.stdin.setEncoding("utf-8");

let inputString = "";

let currentLine = 0;

process.stdin.on("data", (inputStdin) => {

inputString += inputStdin;

});

process.stdin.on("end", (_) => {

inputString = inputString.trim().split("\n").map((str) => str.trim());

main();

});

Custom Input

RUN CODE

SUBMIT

Series of Operations

Given an array

1. myArray of numbers, write a JS program to perform the following steps and log the result. Multiply each value with 9.
2. Subtract 20 from each value.
3. Multiply each value with 7.
4. Log the values of the resulting array separated by a space.

Input

• The input will be a single line containing an array myArray

Output

• The output should be a single line with values separated by a space

Constraints

• Each value in the array must be a number

Sample Input

[ 12, 2, 2, 4, 1 ]

Sample Output

616 -14 -14 112 -77