Split the bill

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Nov 30th, 2012

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<cfscript>
param name='numOfPeople' default='5';
param name='bill' default='143.03';
param name='tip' default='0.15';
function SplitBill(p,b,t){ // p = number of people, b = bill total, t = percentage of tip to be left default to 15%
var rt = arrayNew(1);
var tb = 0;
var eachBase = 0;
var remainder = 0;
var ranPerson = 0;
if (!isNumeric(arguments.p)||!isNumeric(arguments.b)){
return 'Enter Bill and number of people as numbers';}
if (!isNumeric(arguments.t)){arguments.t = 0.15;}
var tb = arguments.b*(1+arguments.t);
var eachBase = int(tb*100/arguments.p);
var remainder = arguments.b*100 mod arguments.p;
var ranPerson = randRange(1,arguments.p);
for(i=1;i<=arguments.p;i++){
rt[i]=eachBase;
}
while(remainder>0){
rt[ranPerson]=rt[ranPerson]+1;
ranPerson = ranPerson+1;
if(ranPerson > arrayLen(rt)){ranPerson=1;}
remainder = remainder-1;
}
for(i=1;i<=arguments.p;i++){
rt[i]=dollarFormat(rt[i]/100);
}
return rt;
}
result = SplitBill(numOfPeople,bill,tip);
writeDump(result);
</cfscript>

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