52 lines
2.8 KiB
JavaScript
52 lines
2.8 KiB
JavaScript
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const valueMap = {
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PENNY: 0.01,
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NICKEL: 0.05,
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DIME: 0.1,
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QUARTER: 0.25,
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ONE: 1,
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FIVE: 5,
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TEN: 10,
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TWENTY: 20,
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'ONE HUNDRED': 100,
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}
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function checkCashRegister(price, cash, cid) {
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let changeDue = cash - price;
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let totalCID = 0;
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let change = [];
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let status = "unknown";
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if (cash > price ){
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for (let i in cid){
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totalCID = totalCID + cid[i][1];
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}
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if (totalCID < changeDue){
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status = "INSUFFICIENT_FUNDS";
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}
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if (totalCID === changeDue){status = "CLOSED"; change = cid; changeDue = 0}
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while (changeDue >= 0.01){
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for (let i = 8; i >= 0; i--){
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let value = valueMap[cid[i][0]];
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let amount = cid[i][1]
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let amountChange = 0;
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while (changeDue >= value && amount > 0){
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changeDue -= value;
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amount -= value;
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amountChange += value;
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changeDue = Math.round(changeDue * 100) / 100;
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} if (amountChange > 0 ){change.push([cid[i][0], amountChange])}
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}
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if (changeDue >=0.01){ status = "INSUFFICIENT_FUNDS"; change = []; break;}
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status = "OPEN";
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}
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}
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return {status: status, change: change};
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}
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let tests = [
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checkCashRegister(19.5, 20, [["PENNY", 1.01], ["NICKEL", 2.05], ["DIME", 3.1], ["QUARTER", 4.25], ["ONE", 90], ["FIVE", 55], ["TEN", 20], ["TWENTY", 60], ["ONE HUNDRED", 100]]) === {status: "OPEN", change: [["QUARTER", 0.5]]},
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checkCashRegister(3.26, 100, [["PENNY", 1.01], ["NICKEL", 2.05], ["DIME", 3.1], ["QUARTER", 4.25], ["ONE", 90], ["FIVE", 55], ["TEN", 20], ["TWENTY", 60], ["ONE HUNDRED", 100]]) === {status: "OPEN", change: [["TWENTY", 60], ["TEN", 20], ["FIVE", 15], ["ONE", 1], ["QUARTER", 0.5], ["DIME", 0.2], ["PENNY", 0.04]]},
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checkCashRegister(19.5, 20, [["PENNY", 0.01], ["NICKEL", 0], ["DIME", 0], ["QUARTER", 0], ["ONE", 0], ["FIVE", 0], ["TEN", 0], ["TWENTY", 0], ["ONE HUNDRED", 0]]) === {status: "INSUFFICIENT_FUNDS", change: []},
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checkCashRegister(19.5, 20, [["PENNY", 0.01], ["NICKEL", 0], ["DIME", 0], ["QUARTER", 0], ["ONE", 0], ["FIVE", 0], ["TEN", 0], ["TWENTY", 0], ["ONE HUNDRED", 0]]) === {status: "INSUFFICIENT_FUNDS", change: []},
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checkCashRegister(19.5, 20, [["PENNY", 0.01], ["NICKEL", 0], ["DIME", 0], ["QUARTER", 0], ["ONE", 1], ["FIVE", 0], ["TEN", 0], ["TWENTY", 0], ["ONE HUNDRED", 0]]) === {status: "INSUFFICIENT_FUNDS", change: []},
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checkCashRegister(19.5, 20, [["PENNY", 0.5], ["NICKEL", 0], ["DIME", 0], ["QUARTER", 0], ["ONE", 0], ["FIVE", 0], ["TEN", 0], ["TWENTY", 0], ["ONE HUNDRED", 0]]) === {status: "CLOSED", change: [["PENNY", 0.5], ["NICKEL", 0], ["DIME", 0], ["QUARTER", 0], ["ONE", 0], ["FIVE", 0], ["TEN", 0], ["TWENTY", 0], ["ONE HUNDRED", 0]]}
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]
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