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Дмитриев Дмитрий #135

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104 changes: 95 additions & 9 deletions warmup.js
Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,12 @@
* @returns {Number} Сумма аргументов
*/
function abProblem(a, b) {
// Ваше решение

if (!Number.isInteger(a) || !Number.isInteger(b)) {
throw new TypeError('');
}

return parseInt(a) + parseInt(b);
}

/**
Expand All @@ -19,7 +24,15 @@ function abProblem(a, b) {
* @returns {Number} Век, полученный из года
*/
function centuryByYearProblem(year) {
// Ваше решение

if (!Number.isInteger(year)) {
throw new TypeError('');
}
if (year < 0) {
throw new RangeError('');
}

return Math.floor((year - 1) / 100) + 1;
}

/**
Expand All @@ -30,7 +43,20 @@ function centuryByYearProblem(year) {
* @returns {String} Цвет в формате RGB, например, '(255, 255, 255)'
*/
function colorsProblem(hexColor) {
// Ваше решение

if (typeof (hexColor) !== 'string') {
throw new TypeError('');
}

if (!(/#[0-9a-fA-F]{6}/g).test(hexColor)) {
throw new RangeError('');
}

const red = parseInt(hexColor.substring(1, 3), 16);
const green = parseInt(hexColor.substring(3, 5), 16);
const blue = parseInt(hexColor.substring(5, 7), 16);

return '(' + red + ', ' + green + ', ' + blue + ')';
}

/**
Expand All @@ -41,7 +67,22 @@ function colorsProblem(hexColor) {
* @returns {Number} Число Фибоначчи, находящееся на n-ой позиции
*/
function fibonacciProblem(n) {
// Ваше решение
if (typeof(n) !== 'number') {
throw new TypeError('');
}
if (n <= 0 || !Number.isInteger(n)) {
throw new RangeError('');
}

var left = 1;
var right = 1;
for (var i = 3; i <= n; i++) {
const current = left + right;
left = right;
right = current;
}

return right;
}

/**
Expand All @@ -51,7 +92,19 @@ function fibonacciProblem(n) {
* @returns {(Any[])[]} Транспонированная матрица размера NxM
*/
function matrixProblem(matrix) {
// Ваше решение
if (matrix.length === 0 || !Array.isArray(matrix) || !matrix.every(Array.isArray)) {
throw new TypeError('');
}

var newMarix = [];
for (var i = 0; i < matrix[0].length; i++) {
newMarix[i] = [];
for (var j = 0; j < matrix.length; j++) {
newMarix[i][j] = matrix[j][i];
}
}

return newMarix;
}

/**
Expand All @@ -63,7 +116,14 @@ function matrixProblem(matrix) {
* @returns {String} Число n в системе счисления targetNs
*/
function numberSystemProblem(n, targetNs) {
// Ваше решение
if (typeof(n) !== 'number' || !Number.isInteger(targetNs)) {
throw new TypeError('');
}
if (targetNs < 2 || targetNs > 36) {
throw new RangeError('');
}

return n.toString(targetNs);
}

/**
Expand All @@ -72,7 +132,11 @@ function numberSystemProblem(n, targetNs) {
* @returns {Boolean} Если соответствует формату, то true, а иначе false
*/
function phoneProblem(phoneNumber) {
// Ваше решение
if (typeof (phoneNumber) !== 'string') {
throw new TypeError('');
}

return (/^8-800-\d{3}-\d{2}-\d{2}$/).test(phoneNumber);
}

/**
Expand All @@ -82,7 +146,15 @@ function phoneProblem(phoneNumber) {
* @returns {Number} Количество улыбающихся смайликов в строке
*/
function smilesProblem(text) {
// Ваше решение
var smileCount = 0;
for (var i = 0; i < text.length; i++) {
const temp = text.substr(i, 3);
if (temp === '(-:' || temp === ':-)') {
smileCount++;
}
}

return smileCount;
}

/**
Expand All @@ -92,7 +164,21 @@ function smilesProblem(text) {
* @returns {'x' | 'o' | 'draw'} Результат игры
*/
function ticTacToeProblem(field) {
// Ваше решение
for (var i = 0; i < field[0].length; ++i) {
if (field[0][i] === field[1][i] && field[0][i] === field[2][i]) {
return field[0][i];
}
if (field[i][0] === field[i][1] && field[i][0] === field[i][2]) {
return field[i][0];
}
}

if ((field[1][1] === field[0][0] && field[1][1] === field[2][2]) ||
(field[1][1] === field[0][2] && field[2][0] === field[1][1])) {
return field[1][1];
}

return 'draw';
}

module.exports = {
Expand Down