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mash [69]
4 years ago
13

Assume there is a variable , h already associated with a positive integer value. Write the code necessary to count the number of

perfect squares whose value is less than h , starting with 1 . (A perfect square is an integer like 9 , 16 , 25 , 36 that is equal to the square of another integer (in this case 3*3 , 4*4 , 5*5 , 6*6 respectively).) Assign the sum you compute to a variable q For example, if h is 19 , you would assign 4 to q because there are perfect squares (starting with 1 ) that are less than h are: 1 , 4 , 9 , 16 .
_____________________________________________________________________________
Computers and Technology
1 answer:
Nataly_w [17]4 years ago
4 0

Answer:

pseudo code:

x=1

q=0

while x*x<h: {

x += 1}

q=x-1

complete code in C language

#include <stdio.h>

int main() {    

   int h=19;

  int q=0;

   int x=1;

  while ((x*x)<h){

 x += 1;

   }

   q=(x-1);

   printf("The sum of total perfect squares less than %d is: %d", h,q);

   

   return 0;

}

Explanation:

first '%d' in print statement refers to h and second '%d' in print statement refers to q

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Answer:

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Boolean operators are the operators that may have only two outputs which are True/False, On/Off and 1/0.

"But" can also be the example of Boolean operator. It is used in the meaning of "except" or "other than".

In Boolean operators "But" can be used as "AND" operator.

for example

<em>I am busy but I will go.</em>

In above example but is used as and which is combining two oposite statements. as

I am busy  and I will go.

Both statement oppose each other, so to make sense in English "But" is used.

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Write the SQL statements that define the relational schema (tables)for this database. Assume that person_id, play_id, birth_year
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Answer:

  • SQL statement that defines table for Actor

CREATE TABLE Actor(

person_id integer primary key,

name varchar2(40) not null,

birth_year integer check ((birth_year) <= 2019)

);

  • SQL statement that defines table for Play

CREATE TABLE Play(

play_id integer primary key,

title varchar2(60) not null,

author varchar2(60) not null,

year_written integer check ((year_written) <= 2019)

);

  • SQL statement that defines table for Role

CREATE TABLE Role (

person_id integer,

character_name varchar2(60) not null,

play_id integer,

constraint fk_person foreign key (person_id) references actor(person_id),

constraint fk_play foreign key (play_id) references play(play_id),

primary key (person_id, character_name, play_id)

);

Explanation:

Other information that were not added to the question are as below:

The following database contains information about three tables i.e. actors, plays, and roles they performed.

Actor (person_id, name, birth_year)

Play (play_id, title, author, year_written)

Role (person_id, character_name, play_id)

Where: Actor is a table of actors, their names, and the year they were born. Each actor has a unique person_id, which is a key.

Play is a table of plays, giving the title, author, and year written for each play. Each play has a unique play_id, which is a key.

Role records which actors have performed which roles (characters) in which plays.

Attributes person_id and play_id are foreign keys to Actor and Play respectively.

All three attributes make up the key since it is possible for a single actor to play more than one character in the same play

Further Explanation:

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