adding exam prep 07

Author: trayanaboykova

exams/more-exams/exam07/01-agency-profit.js

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+function agencyProfit(input) {
+    let airlineName = input[0];
+    let adultTickets = Number(input[1]);
+    let childTickets = Number(input[2]);
+    let adultTicketPrice = Number(input[3]);
+    let serviceFee = Number(input[4]);
+
+    let childTicketPrice = adultTicketPrice * 0.3;
+    let totalAdultPrice = adultTickets * (adultTicketPrice + serviceFee);
+    let totalChildPrice = childTickets * (childTicketPrice + serviceFee);
+    let totalProfit = (totalAdultPrice + totalChildPrice) * 0.2;
+
+    console.log(`The profit of your agency from ${airlineName} tickets is ${totalProfit.toFixed(2)} lv.`);
+}

exams/more-exams/exam07/02-add-bags.js

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+function main(input) {
+    let price = Number(input[0]);
+    let kgOfLuggage = Number(input[1]);
+    let dayBeforeDeparture = Number(input[2]);
+    let numOfLuggage = Number(input[3]);
+    let totalLuggagePrice = 0;
+
+    if (kgOfLuggage < 10) {
+        totalLuggagePrice = price * 0.2;
+    } else if (kgOfLuggage >= 10 && kgOfLuggage <= 20) {
+        totalLuggagePrice = price * 0.5;
+    } else {
+        totalLuggagePrice = price;
+    }
+
+    if (dayBeforeDeparture < 7) {
+        totalLuggagePrice += totalLuggagePrice * 0.4;
+    } else if (dayBeforeDeparture >= 7 && dayBeforeDeparture <= 30) {
+        totalLuggagePrice += totalLuggagePrice * 0.15;
+    } else {
+        totalLuggagePrice += totalLuggagePrice * 0.1;
+    }
+
+    totalLuggagePrice *= numOfLuggage;
+
+    console.log(`The total price of bags is: ${totalLuggagePrice.toFixed(2)} lv.`);
+}

exams/more-exams/exam07/03-aluminum-joinery.js

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+function main(input) {
+    let orders = Number(input[0]);
+    let typeOfUnit = input[1];
+    let delivery = input[2];
+    let price, totalPrice = 0;
+
+    if (orders < 10) {
+        console.log("Invalid order");
+    } else {
+        switch (typeOfUnit) {
+            case "90X130" :
+                price = orders * 110;
+                if (orders > 60) {
+                    totalPrice = price - (price * 0.08);
+                } else if (orders > 30) {
+                    totalPrice = price - (price * 0.05);
+                } else {
+                    totalPrice = price;
+                }
+                break;
+            case "100X150" :
+                price = orders * 140;
+                if (orders > 80) {
+                    totalPrice = price - (price * 0.1);
+                } else if (orders > 40) {
+                    totalPrice = price - (price * 0.06);
+                } else {
+                    totalPrice = price;
+                }
+                break;
+            case "130X180" :
+                price = orders * 190;
+                if (orders > 50) {
+                    totalPrice = price - (price * 0.12);
+                } else if (orders > 20) {
+                    totalPrice = price - (price * 0.07);
+                } else {
+                    totalPrice = price;
+                }
+                break;
+            case "200X300" :
+                price = orders * 250;
+                if (orders > 50) {
+                    totalPrice = price - (price * 0.14);
+                } else if (orders > 25) {
+                    totalPrice = price - (price * 0.09);
+                } else {
+                    totalPrice = price;
+                }
+                break;
+        }
+
+        if (delivery === "With delivery") {
+            totalPrice += 60;
+        }
+        if (orders > 99) {
+            totalPrice = totalPrice - (totalPrice * 0.04);
+        }
+        console.log(`${totalPrice.toFixed(2)} BGN`);
+    }
+}

exams/more-exams/exam07/04-balls.js

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+function main(input) {
+    let totalPoints = 0;
+    let redCount = 0;
+    let orangeCount = 0;
+    let yellowCount = 0;
+    let whiteCount = 0;
+    let otherColorsCount = 0;
+    let blackDivisionsCount = 0;
+
+    let N = Number(input[0]);
+
+    for (let i = 1; i <= N; i++) {
+        let color = input[i];
+
+        switch (color) {
+            case "red":
+                totalPoints += 5;
+                redCount++;
+                break;
+            case "orange":
+                totalPoints += 10;
+                orangeCount++;
+                break;
+            case "yellow":
+                totalPoints += 15;
+                yellowCount++;
+                break;
+            case "white":
+                totalPoints += 20;
+                whiteCount++;
+                break;
+            case "black":
+                totalPoints = Math.floor(totalPoints / 2);
+                blackDivisionsCount++;
+                break;
+            default:
+                otherColorsCount++;
+        }
+    }
+
+    console.log(`Total points: ${totalPoints}`);
+    console.log(`Red balls: ${redCount}`);
+    console.log(`Orange balls: ${orangeCount}`);
+    console.log(`Yellow balls: ${yellowCount}`);
+    console.log(`White balls: ${whiteCount}`);
+    console.log(`Other colors picked: ${otherColorsCount}`);
+    console.log(`Divides from black balls: ${blackDivisionsCount}`);
+}

exams/more-exams/exam07/05-best-player.js

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+function main(input) {
+    let bestPlayer = "";
+    let bestGoals = 0;
+    let hatTrick = false;
+
+    let i = 0;
+    while (true) {
+        let playerName = input[i];
+        if (playerName === "END") {
+            break;
+        }
+
+        let goals = Number(input[i + 1]);
+
+        if (goals >= 10) {
+            bestPlayer = playerName;
+            bestGoals = goals;
+            hatTrick = true;
+            break;
+        }
+
+        if (goals > bestGoals) {
+            bestPlayer = playerName;
+            bestGoals = goals;
+            if (goals >= 3) {
+                hatTrick = true;
+            } else {
+                hatTrick = false;
+            }
+        }
+        i += 2;
+    }
+
+    console.log(bestPlayer + " is the best player!");
+    if (hatTrick) {
+        console.log("He has scored " + bestGoals + " goals and made a hat-trick !!!");
+    } else {
+        console.log("He has scored " + bestGoals + " goals.");
+    }
+}

exams/more-exams/exam07/06-barcode-generator.js

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+function main(input) {
+    let start = Number(input[0]);
+    let end = Number(input[1]);
+
+    let startUnits = start % 10;
+    let startTens = Math.floor(start / 10) % 10;
+    let startHundreds = Math.floor(start / 100) % 10;
+    let startThousands = Math.floor(start / 1000) % 10;
+
+    let endUnits = end % 10;
+    let endTens = Math.floor(end / 10) % 10;
+    let endHundreds = Math.floor(end / 100) % 10;
+    let endThousands = Math.floor(end / 1000) % 10;
+
+    let result = '';
+
+    for (let i = startThousands; i <= endThousands; i++) {
+        for (let j = startHundreds; j <= endHundreds; j++) {
+            for (let k = startTens; k <= endTens; k++) {
+                for (let l = startUnits; l <= endUnits; l++) {
+                    if (i % 2 !== 0 && j % 2 !== 0 && k % 2 !== 0 && l % 2 !== 0) {
+                        result += `${i}${j}${k}${l} `;
+                    }
+                }
+            }
+        }
+    }
+
+    console.log(result.trim());
+}