买彩票保证不赔本的最小花费
2019/03/10
买彩票保证每次买彩票后如果中奖则不赔本的最小花费
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> </head> <body> </body> <script type="text/javascript"> var countCurrPay = function(n){ var orderCurr = n;//n本次是第几次购买 var SumBefore = 0;//之前总花费 var payCurr = 0;//本次需要花费金额 for (var i = 1; i < orderCurr; i++) { var sumCurr = SumBefore*2/3; if(sumCurr==0){ sumCurr = 2; } if(Math.ceil(sumCurr)%2==1){ sumCurr = Math.ceil(sumCurr)+1; }else{ sumCurr = Math.ceil(sumCurr); } SumBefore = SumBefore + sumCurr; } payCurr = Math.ceil(SumBefore*2/3) if(payCurr==0){ payCurr = 2; } if(Math.ceil(payCurr)%2==1){ payCurr = Math.ceil(payCurr)+1; }else{ payCurr = Math.ceil(payCurr); } return {SumBefore:SumBefore,payCurr:payCurr,allPay:SumBefore+payCurr}; } console.log(countCurrPay(15)) </script> </html>
每注两元,中奖的话19.4,保本不赔的卖法
var countCurrPay = function (n) { var orderCurr = n; //n本次是第几次购买 var SumBefore = 0; //之前总花费 var payCurr = 0; //本次需要花费金额 for (var i = 1; i < orderCurr; i++) { var sumCurr = SumBefore * 2 / 17.4; if (sumCurr == 0) { sumCurr = 2; } if (Math.ceil(sumCurr) % 2 == 1) { sumCurr = Math.ceil(sumCurr) + 1; } else { sumCurr = Math.ceil(sumCurr); } SumBefore = SumBefore + sumCurr; } payCurr = Math.ceil(SumBefore * 2 / 17.4) if (payCurr == 0) { payCurr = 2; } if (Math.ceil(payCurr) % 2 == 1) { payCurr = Math.ceil(payCurr) + 1; } else { payCurr = Math.ceil(payCurr); } return { SumBefore: SumBefore, payCurr: payCurr, allPay: SumBefore + payCurr }; } console.log(countCurrPay(15))
上一篇:
chrome设置跨域问题
下一篇:
vsCode 添加文件夹右键菜单