adding more exercises

first steps in coding

Author: trayanaboykova

01-first-steps-in-coding/03-more-exercise/01-trapezoid-area.js

@@ -0,0 +1,7 @@
+function calculateTrapezoidArea(input) {
+    let b1 = parseFloat(input[0]);
+    let b2 = parseFloat(input[1]);
+    let height = parseFloat(input[2]);
+    let area = (b1 + b2) * height / 2;
+    console.log(area.toFixed(2));
+}

01-first-steps-in-coding/03-more-exercise/02-triangle-area.js

@@ -0,0 +1,6 @@
+function calculateTriangleArea(input) {
+    let a = parseFloat(input[0]);
+    let h = parseFloat(input[1]);
+    let area = a * h / 2;
+    console.log(area.toFixed(2));
+}

01-first-steps-in-coding/03-more-exercise/03-celsius-to-fahrenheit.js

@@ -0,0 +1,5 @@
+function celsiusToFahrenheit(input) {
+    let degreesCelsius = parseFloat(input[0]);
+    let degreesFahrenheit = degreesCelsius * 1.8 + 32;
+    console.log(degreesFahrenheit.toFixed(2));
+}

01-first-steps-in-coding/03-more-exercise/04-vegetable-market.js

@@ -0,0 +1,13 @@
+function vegetableMarket(input) {
+    let priceKiloVegetables = parseFloat(input[0]);
+    let priceKiloFruits = parseFloat(input[1]);
+    let totalKilosVegetables = parseInt(input[2]);
+    let totalKilosFruits = parseInt(input[3]);
+
+    let totalVegetables = priceKiloVegetables * totalKilosVegetables;
+    let totalFruits = priceKiloFruits * totalKilosFruits;
+    let total = totalVegetables + totalFruits;
+    let totalEuro = total / 1.94;
+
+    console.log(totalEuro.toFixed(2));
+}

01-first-steps-in-coding/03-more-exercise/05-training-lab.js

@@ -0,0 +1,11 @@
+function calculateDesks(input) {
+    let length = parseFloat(input[0]);
+    let width = parseFloat(input[1]) - 1;
+
+    let widthDesks = Math.floor(width / 0.7);
+    let lengthDesks = Math.floor(length / 1.2);
+
+    let freeSpace = widthDesks * lengthDesks - 3;
+
+    console.log(freeSpace.toFixed(0));
+}

01-first-steps-in-coding/03-more-exercise/06-fish-land.js

@@ -0,0 +1,18 @@
+function fishMarket(input) {
+    let mackerelPrice = parseFloat(input[0]);
+    let spratPrice = parseFloat(input[1]);
+    let bonitoKilos = parseFloat(input[2]);
+    let scadKilos = parseFloat(input[3]);
+    let clamsKilos = parseInt(input[4]);
+
+    let bonitoPrice = mackerelPrice + mackerelPrice * 0.60;
+    let scadPrice = spratPrice + spratPrice * 0.80;
+    let clamsPrice = clamsKilos * 7.50;
+
+    let bonito = bonitoKilos * bonitoPrice;
+    let scad = scadKilos * scadPrice;
+
+    let total = clamsPrice + bonito + scad;
+
+    console.log(total.toFixed(2));
+}

01-first-steps-in-coding/03-more-exercise/07-house-painting.js

@@ -0,0 +1,24 @@
+function housePainting(input) {
+    let x = parseFloat(input[0]);
+    let y = parseFloat(input[1]);
+    let h = parseFloat(input[2]);
+
+    let sideWall = x * y;
+    let window = 1.5 * 1.5;
+    let sides = 2 * sideWall - 2 * window;
+    let backWall = x * x;
+    let entrance = 1.2 * 2;
+    let frontAndBack = 2 * backWall - entrance;
+
+    let totalAreaWalls = sides + frontAndBack;
+    let greenPaint = totalAreaWalls / 3.4;
+
+    let roof = 2 * (x * y);
+    let triangle = 2 * (x * h / 2);
+
+    let totalAreaRoof = roof + triangle;
+    let redPaint = totalAreaRoof / 4.3;
+
+    console.log(greenPaint.toFixed(2));
+    console.log(redPaint.toFixed(2));
+}

01-first-steps-in-coding/03-more-exercise/08-circle-area-and-parameter.js

@@ -0,0 +1,9 @@
+function circleAreaAndPerimeter(input) {
+    let radians = parseFloat(input[0]);
+
+    let perimeter = 2 * Math.PI * radians;
+    let area = Math.PI * radians * radians;
+
+    console.log(area.toFixed(2));
+    console.log(perimeter.toFixed(2));
+}

01-first-steps-in-coding/03-more-exercise/09-weather-forecast.js

@@ -0,0 +1,9 @@
+function weatherForecast(input) {
+    let text = input[0];
+
+    if(text === "sunny") {
+        console.log("It's warm outside!");
+    } else {
+        console.log("It's cold outside!");
+    }
+}

01-first-steps-in-coding/03-more-exercise/10-weather-forecast-part2.js

@@ -0,0 +1,17 @@
+function weatherForecastPart2(input) {
+    let degrees = parseFloat(input[0]);
+
+    if(degrees >= 26.00 && degrees <= 35.00) {
+        console.log("Hot");
+    } else if(degrees >= 20.1 && degrees <= 25.9) {
+        console.log("Warm");
+    } else if(degrees >= 15.00 && degrees <= 20.00) {
+        console.log("Mild");
+    } else if(degrees >= 12.00 && degrees <= 14.9) {
+        console.log("Cool");
+    } else if(degrees >= 5.00 && degrees <= 11.9) {
+        console.log("Cold");
+    } else {
+        console.log("unknown");
+    }
+}