Problem 16. chocolatebills.js

 /*Question

Chocolate bill

Bablu went to a shop to buy some chocolates and ice creams.

Help him to calculate the bill.

Input

4 lines containing one integer each

First line denotes the cost of 1 chocolate.

Second line denotes the number of chocolate bought by Bablu.

Third line denotes the cost of 1 ice cream.

Fourth line denotes the number of ice creams bought by Bablu.

Output

One line containing one integer, denoting the total money to be paid by Bablu.

Example

Input:

5

3

15

2

Output:

45

Explanation:

First line contains 5, which means the cost of one chocolate is 5 rupees.

Second line contains 3, which means Bablu bought 3 chocolates.

Third line contains 15, which means the cost of one ice cream is 15 rupees.

Fourth line contains 2, which means Bablu bought 2 ice creams.

So, the total bill is 45 rupees.

*/

let fs = require("fs");

let data = fs.readFileSync(0, 'utf-8');

let idx = 0;

data = data.split('\n');

function readLine() {

idx++;

return data[idx - 1].trim();

}

//..............................................................................................................................

let c1 = parseInt(readLine()); // cost of 1 chocolate 5

let n1 = parseInt(readLine()); //no. of chocolates 3

let c2 = parseInt(readLine()); // cost of 1 icecream 15

let n2 = parseInt(readLine()); //no. of icecream 2

console.log((c1 * n1) + (c2 * n2)); // 5*3 + 15*2 = 45

Terminal:

Nobins-MacBook-Pro:STOC_MODULE 11SEPT 2022 nobinpunyo$ node chocolatebills.js <input.txt 45 Nobins-MacBook-Pro:STOC_MODULE 11SEPT 2022 nobinpunyo$