TCS NQT Doctor Income Coding Problem

TCS NQT Doctor Income Coding Problem

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A doctor has a clinic where he serves his patients. The doctor’s consultation fees are different for different groups of patients depending on their age. If the patient’s age is below 17. The fee is 200 INR. If the patient’s age is between 17 and 40, fees are 400 INR. 

If the patient’s age is above 40, fees are 300 INR. Write a code to calculate earnings in a day for which one array/List of values representing the age of patients visited on that day is passed as input.

Note:

1. Age should not be zero or less than zero or above 120.

2. Doctors consult a maximum of 20 patients a day.

3. Enter age value (press ENTER without value to stop): 

**Example 1:**

Input 

“`

20

30

40

50

2

3

14

“` 

Output

“`

Total income 2100 INR

“`

**Algorithm**

“`

1. Declare and initialise limit, age and income to 0.

2. While age != ” and limit < 20, do

    Read age

    if age < 0 or age > 120, do

        print “INVALID INPUT”

        continue

    if age <= 17, do

        income = income + 200

    else if age <= 40, do

        income = income + 400

    else

        income = income + 300

    limit = limit + 1

3. Print Total income (income) INR

Program In C

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
int main()
{
    char str[5];
    int age, limit = 1, income = 0;
    fgets(str, 5, stdin);
    while(strcmp(str, "\n") && limit != 20)
    {
        age = atoi(str);
        if (age < 0 || age > 120)
        {
            printf("INVALID INPUT");
            continue;
        }
        if (age <= 17)
            income += 200;
        else if (age <= 40)
            income += 400;
        else
            income += 300;
        fgets(str, 5, stdin);
        limit ++;
    }
    printf("Total income %d INR", income);
    return 0;
}

Program in C++

#include <iostream>

using std::cin;
using std::cout;
using std::string;
using std::stoi;

int main() {
	int age, limit {1}, income {0};
	string str;
	getline(cin, str);
	while (str.size() > 0 && limit != 20)
	{
		age = stoi(str);
		if (age < 0 || age > 120)
		{
			cout << "INVALID INPUT";
			continue;
		}
		if (age <= 17)
			income += 200;
		else if (age <= 40)
			income += 400;
		else
			income += 300;
		getline(cin, str);
		limit++;
	}
	cout << "Total income " << income << " INR";
	return 0;
}

Program in Python

if __name__ == "__main__":
    limit = 1
    age = input()
    income = 0
    while age != '' and limit != 20:
        if int(age) < 0 or int(age) > 120:
            print("INVALID INPUT")
            continue
        if int(age) <= 17:
            income += 200
        elif int(age) <= 40:
            income += 400
        else:
            income += 300
        age = input()
        limit += 1
    print("Total income", income, "INR")

Program in Java

import java.util.Scanner;
import java.util.regex.*;
class Main
{
    public static void main(String[] args)
    {
        Scanner sc = new Scanner(System.in);
        Pattern delimiters = Pattern.compile(System.getProperty("line.separator")+"|\\s");
        sc.useDelimiter(delimiters);
        int age, income = 0, limit = 1;
        while (sc.hasNextInt() && limit != 20){
            age = sc.nextInt();
            if (age < 0 || age > 120)
            {
                System.out.print("INVALID INPUT");
                continue;
            }
            if (age <= 17)
                income += 200;
            else if (age <= 40)
                income += 400;
            else
                income += 300;
            limit ++;
        }
        System.out.print("Total income " + income + " INR");
    }
}

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