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DochEvi [55]
4 years ago
8

A store sells widgets at 25 cents each for small orders or at 20 cents each for orders of 100 or more. Write a program that requ

ests the number of widgets ordered and displays the total cost. (write the python program and after confirming it works, copy and paste the program code below)
Computers and Technology
1 answer:
arsen [322]4 years ago
5 0

Answer:

widgets=float(input("Enter number of widgets you want to buy"))

if widgets<0:

print("Can't compute negative number")

else:

if widgets<100:

cost=widgets*25

else:

cost=widgets*20

print("The total cost of widgets is", cost,"cents")

Explanation:

First I made a variable called widgets to take input of the number of widgets the customer wants to buy. I use the first comditional statement to test if the number of items typed in is not less than zero.

The else statement computed the prices of widgets based on number of widgets greater than zero.

Another conditional statement to check if the widgets is lower that 100 or greater. The cost represents the total amount, in terms of cost it will take for some nuber of widgets.

The last line prints the total cost and some statments

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Develop an algorithm and write a C++ program that finds the number of occurrences of a specified character in the string; make s
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Answer:

The algorithm is as follows:

1. Input sentence

2. Input character

3. Length = len(sentence)

4. count = 0

5. For i = 0 to Length-1

 5.1 If sentence[i] == character

    5.1.1 count++

6. Print count

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The program in C++ is as follows:

#include <iostream>

#include <string.h>

using namespace std;

int main(){

char str[100];   char chr;

cin.getline(str, 100);

cin>>chr;

int count = 0;

for (int i=0;i<strlen(str);i++){

 if (str[i] == chr){

  count++;} }

cout << count;

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Explanation:

I will provide explanation for the c++ program. The explanation can also be extended to the algorithm

This declares the string and the character

char str[100];   char chr;

This gets input for the string variable

cin.getline(str, 100);

This gets input for the character variable

cin>>chr;

This initializes count to 0

int count = 0;

This iterates through the characters of the string

for (int i=0;i<strlen(str);i++){

If the current character equals the search character, count is incremented by 1

 if (str[i] == chr){  count++;} }

This prints the count

cout << count;

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