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Commit 7f86921

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Art Knipe
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Rearrange mit_ocw_debt_problem directory structure
* Solutions are now located in directories named after their contributors
1 parent fe0b043 commit 7f86921

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9 files changed

+119
-119
lines changed

9 files changed

+119
-119
lines changed

‎mit_ocw_debt_problem/main.java ‎mit_ocw_debt_problem/adammcclenaghan/main.java

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‎mit_ocw_debt_problem/art.py ‎mit_ocw_debt_problem/awflwafl/main.py

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‎mit_ocw_debt_problem/CreditCard.java ‎mit_ocw_debt_problem/bunglenutter/CreditCard.java

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‎mit_ocw_debt_problem/problem_c.c ‎mit_ocw_debt_problem/hannahmbryson/problem_c.c

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‎mit_ocw_debt_problem/robert.rb ‎mit_ocw_debt_problem/robertwpaul/robert.rb

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‎robert_cpp.cpp ‎mit_ocw_debt_problem/robertwpaul/robert_cpp.cpp

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‎mit_ocw_debt_problem/problem1.js ‎mit_ocw_debt_problem/square1/problem1.js

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‎xarxziux/.jshintrc ‎mit_ocw_debt_problem/xarxziux/.jshintrc

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{
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"nonew": true,
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"plusplus": true,
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"quotmark": "single",
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"maxlen": 78,
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"varstmt": true,
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"esversion": 6,
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"node": "true"
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}
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{
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"nonew": true,
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"plusplus": true,
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"quotmark": "single",
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"maxlen": 78,
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"varstmt": true,
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"esversion": 6,
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"node": "true"
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}

‎xarxziux/credit_card_debt/debt.js ‎mit_ocw_debt_problem/xarxziux/debt.js

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const logger = (() => {
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let logBuffer = [];
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return {
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append: message => {
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logBuffer = logBuffer.concat (message);
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},
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flush: () => {
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console.log (logBuffer.join ('\r\n'));
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logBuffer = [];
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}
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};
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})();
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const numToCurrency = symbol => amount => (
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symbol + amount.toFixed (2)
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);
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const monthlyFigures = ({currentBalance, monthlyRate, minimumRate}) => {
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const monthlyPayment = currentBalance * minimumRate;
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const interestPayment = currentBalance * monthlyRate;
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const principalPayment = monthlyPayment - interestPayment;
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return {
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newBalance: currentBalance - principalPayment,
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monthlyPayment,
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principalPayment
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};
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};
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const runningBalance = maxMonths =>
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({annualRate, minimumRate, startingBalance}) => {
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const runningBalanceRecur =
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({currentBalance, totalPaid, monthIndex}) => {
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if (monthIndex === maxMonths)
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return {currentBalance, totalPaid};
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let {newBalance, monthlyPayment, principalPayment} =
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monthlyFigures ({
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currentBalance,
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monthlyRate: annualRate / 12,
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minimumRate
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});
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const numToDollars = numToCurrency ('$');
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logger.append ('Month: ' + (monthIndex + 1));
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logger.append ('Minimum monthly payment: ' +
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numToDollars (monthlyPayment));
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logger.append ('Principle paid: ' +
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numToDollars (principalPayment));
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logger.append ('Remaining balance: ' + numToDollars (newBalance));
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return runningBalanceRecur ({
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currentBalance: newBalance,
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totalPaid: totalPaid + monthlyPayment,
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monthIndex: monthIndex + 1
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});
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};
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return runningBalanceRecur ({
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currentBalance: startingBalance,
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totalPaid: 0,
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monthIndex: 0
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});
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};
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const main = annualRate => minimumRate => startingBalance => {
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let {currentBalance, totalPaid} = runningBalance (12)({
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annualRate, minimumRate, startingBalance});
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const numToDollars = numToCurrency ('$');
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logger.append ('RESULT');
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logger.append ('Total amount paid: ' + numToDollars (totalPaid));
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logger.append ('Remaining balance: ' + numToDollars (currentBalance));
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logger.flush ();
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return true;
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};
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module.exports = main;
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const logger = (() => {
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let logBuffer = [];
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return {
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append: message => {
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logBuffer = logBuffer.concat (message);
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},
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flush: () => {
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console.log (logBuffer.join ('\r\n'));
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logBuffer = [];
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}
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};
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})();
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const numToCurrency = symbol => amount => (
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symbol + amount.toFixed (2)
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);
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const monthlyFigures = ({currentBalance, monthlyRate, minimumRate}) => {
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const monthlyPayment = currentBalance * minimumRate;
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const interestPayment = currentBalance * monthlyRate;
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const principalPayment = monthlyPayment - interestPayment;
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return {
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newBalance: currentBalance - principalPayment,
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monthlyPayment,
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principalPayment
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};
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};
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const runningBalance = maxMonths =>
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({annualRate, minimumRate, startingBalance}) => {
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const runningBalanceRecur =
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({currentBalance, totalPaid, monthIndex}) => {
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if (monthIndex === maxMonths)
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return {currentBalance, totalPaid};
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let {newBalance, monthlyPayment, principalPayment} =
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monthlyFigures ({
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currentBalance,
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monthlyRate: annualRate / 12,
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minimumRate
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});
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const numToDollars = numToCurrency ('$');
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logger.append ('Month: ' + (monthIndex + 1));
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logger.append ('Minimum monthly payment: ' +
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numToDollars (monthlyPayment));
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logger.append ('Principle paid: ' +
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numToDollars (principalPayment));
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logger.append ('Remaining balance: ' + numToDollars (newBalance));
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return runningBalanceRecur ({
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currentBalance: newBalance,
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totalPaid: totalPaid + monthlyPayment,
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monthIndex: monthIndex + 1
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});
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};
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return runningBalanceRecur ({
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currentBalance: startingBalance,
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totalPaid: 0,
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monthIndex: 0
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});
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};
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const main = annualRate => minimumRate => startingBalance => {
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let {currentBalance, totalPaid} = runningBalance (12)({
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annualRate, minimumRate, startingBalance});
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const numToDollars = numToCurrency ('$');
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logger.append ('RESULT');
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logger.append ('Total amount paid: ' + numToDollars (totalPaid));
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logger.append ('Remaining balance: ' + numToDollars (currentBalance));
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logger.flush ();
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return true;
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};
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module.exports = main;
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