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var register = [ | |
{ | |
name: "PENNY", | |
value: 0.01, | |
count: 0 | |
}, | |
{ | |
name: "NICKEL", | |
value: 0.05, | |
count: 0 | |
}, | |
{ | |
name: "DIME", | |
value: 0.1, | |
count: 0 | |
}, | |
{ | |
name: "QUARTER", | |
value: 0.25, | |
count: 0 | |
}, | |
{ | |
name: "ONE", | |
value: 1, | |
count: 0 | |
}, | |
{ | |
name: "FIVE", | |
value: 5, | |
count: 0 | |
}, | |
{ | |
name: "TEN", | |
value: 10, | |
count: 0 | |
}, | |
{ | |
name: "TWENTY", | |
value: 20, | |
count: 0 | |
}, | |
{ | |
name: "ONE HUNDRED", | |
value: 100, | |
count: 0 | |
} | |
]; | |
function checkCashRegister(price, cash, cid) { | |
var change, total_cash; | |
// Here is your change, ma'am. | |
change = cash - price; | |
total_cash = cid.reduce(function(sum, x) { | |
return sum + x[1]; | |
}, 0); | |
if (change.toFixed(2) === total_cash.toFixed(2)) { | |
return "Closed"; | |
} | |
cid.forEach(function(denomination){ | |
register.forEach(function(wtf, index) { | |
if (wtf.name === denomination[0]) { | |
register[index].count = Math.ceil(denomination[1] / register[index].value); | |
} | |
}); | |
}); | |
register = register.reverse(); | |
answer = []; | |
register.forEach(function(den){ | |
if (change > den.value) { | |
quotient = change / den.value; | |
remainder = change % den.value; | |
used = quotient > den.count ? den.count: quotient; | |
change = change - (used * den.value).toFixed(2); | |
answer.unshift([den.name, (used * den.value)]); | |
} | |
}); | |
if (change !== 0 ) { | |
return "Insufficient Funds"; | |
} | |
//console.log( JSON.stringify(answer, null, 2)); | |
return answer; | |
} | |
// Example cash-in-drawer array: | |
// [["PENNY", 1.01], | |
// ["NICKEL", 2.05], | |
// ["DIME", 3.10], | |
// ["QUARTER", 4.25], | |
// ["ONE", 90.00], | |
// ["FIVE", 55.00], | |
// ["TEN", 20.00], | |
// ["TWENTY", 60.00], | |
// ["ONE HUNDRED", 100.00]] | |
//checkCashRegister(19.50, 20.00, [["PENNY", 1.01], ["NICKEL", 2.05], ["DIME", 3.10], ["QUARTER", 4.25], ["ONE", 90.00], ["FIVE", 55.00], ["TEN", 20.00], ["TWENTY", 60.00], ["ONE HUNDRED", 100.00]]); | |
checkCashRegister(3.26, 100.00, [["PENNY", 1.01], ["NICKEL", 2.05], ["DIME", 3.10], ["QUARTER", 4.25], ["ONE", 90.00], ["FIVE", 55.00], ["TEN", 20.00], ["TWENTY", 60.00], ["ONE HUNDRED", 100.00]]); |
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