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全部话题 - 话题: valid
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N********m
发帖数: 107
1
来自主题: JobHunting版 - Model validation positions
Two openings in a major bank mortgage business' modeling validation and
control group.
Requirements: MS/PH.D. in Stats, econ or math.
Good at SAS programming and statistical modeling.

Please send me a message to my mailbox first if you have interest in these
positions. I can refer your resume to the hiring managers if appropriate.
j**********3
发帖数: 3211
2
来自主题: JobHunting版 - leetcode valid number请教问题
我的代码在oj上,为啥 e9不是valid的?
g***j
发帖数: 1275
3
来自主题: JobHunting版 - 如何判断string是valid roman数字
leetcode都默认是valid的吧。
不太了解规则
A*****i
发帖数: 3587
4
来自主题: JobHunting版 - 如何判断string是valid roman数字
这个用自动机就好了么,把那几个罗马数字pattern弄好然后一个字母一个字母扫么,
能跳到某一个的最后一个不就是valid么
DFA么
a***e
发帖数: 413
5
请问你说的是
Evaluate Reverse Polish Notation么?或者是类似的
Evaluate the value of an arithmetic expression in Reverse Polish Notation.
Valid operators are +, -, *, /. Each operand may be an integer or another
expression.
Some examples:
["2", "1", "+", "3", "*"] -> ((2 + 1) * 3) -> 9
["4", "13", "5", "/", "+"] -> (4 + (13 / 5)) -> 6
其实一点都不想做题。特别是碰到要花很长时间才能做出来的题,气大得很啊。。。。
。。。。。
估计要等明年才敢出去面试啦。。。。。。。。
h*********2
发帖数: 444
6
来自主题: JobHunting版 - 秒杀valid number
我觉得挺好
但是为什么是n1+n2 == 0 return false
.1 和 1. 都是valid吗
h*********2
发帖数: 444
7
来自主题: JobHunting版 - 秒杀valid number
我觉得挺好
但是为什么是n1+n2 == 0 return false
.1 和 1. 都是valid吗
f*********0
发帖数: 17
8
来自主题: JobHunting版 - 秒杀valid number
跟我写的基本完全一样啊!
n1+n2==0判断是否valid太赞了!
另外,if,while后面只有一句的到底要不要加花括号啊?
class Solution {
public:
bool isNumber(const char *s) {
while (*s == ' ') s++;
if (*s == '+' || *s == '-') s++;
int n1 = 0;
while (*s <= '9' && *s >= '0') {
n1++;
s++;
}
if (*s == '.') s++;
int n2 = 0;
while (*s <= '9' && *s >= '0') {
n2++;
s++;
}
if (n1+n2 == 0) return false;
if (*s == 'e' || ... 阅读全帖
r****7
发帖数: 2282
9
比如"01"和".1"算valid,".1"我还能convince自己,"01"实在有点儿开挂啊,"
0000000000000000"是不是也算
M*******a
发帖数: 1633
10
来自主题: JobHunting版 - leetcode valid number
Input: "3."
Output: false
Expected: true
"3."也是valid?
我擦
f*******w
发帖数: 1243
11
来自主题: JobHunting版 - leetcode valid number
我觉得真被问到这个题,就拿之前leetcode出错过的testcases去问考官。这个算valid
还是invalid啊?就能混过20分钟了
m**********n
发帖数: 97
12
来自主题: JobHunting版 - leetcode Valid Sudoku 就是通不过
Valid Sudoku,不是Sudoku solver,只需要检测三条rules就可以了,这是我的代码
public class Solution {
public boolean isValidSudoku(char[][] board) {

int m = board.length;
int n = board[0].length;
if(m != 9 || n != 9) return false;

char[] cube = new char[9];
// check row rule
for(int i = 0; i < m; i++)
{
cube = board[i];
if(!check(cube)) return false;
}
//check column rule
for(int j = 0; j < n; j++)... 阅读全帖
t**r
发帖数: 3428
13
valid number这道题看到有人用有限状态机做 太牛不敢看
y*****e
发帖数: 712
14
来自主题: JobHunting版 - 请问LC上一道题:Validate BST
这题是我面groupon的店面题,所以印象深刻。。
有两个写法,一个是5楼说的,记录前一个值,比较是不是一直在变大。我和你是一样
的写法,都是比较左右两个叶子。对于max和min两个test case,最简单的还是直接拿
出来判断一下
public boolean validate(TreeNode root){
if(root == null)
return true;
return helper(root, Integer.MIN_VALUE, Integer.MAX_VALUE);
}

private boolean helper(TreeNode root, int low, int high){
if(root == null)
return true;
if(root.val == Integer.MIN_VALUE && root.left != null)
return false;
if(root.val == Integer.MAX_VALUE &... 阅读全帖
c**********n
发帖数: 24
15
来自主题: JobHunting版 - STEM-OPT 现在状态是Validation Error
二月底提交的申请,上周五状态变成了
Validation Error
You must correct the following error(s) before proceeding:
At this time USCIS cannot provide you with information for your case. Please
contact the NCSC 1 (800) 375-5283 for additional information.
这是说他们在处理我的case吗?大家有没有类似经历?多久状态能update?
z****y
发帖数: 22
16
来自主题: JobHunting版 - OPT validation error
请问谁遇到过 OPT
Validation Error(s)
You must correct the following error(s) before proceeding:
At this time USCIS cannot provide you with information for your case. Please
contact the NCSC 1 (800) 375-5283 for additional information.
如何解决呢?打个电话也问不出个所以然来。
s*****G
发帖数: 1535
17
各个大银行太多的职位都在找model validation了。。楼主纽约的银行一个个试
我们隔壁刚成立了risk management组。。一下招了6个人。。。疯了
t****d
发帖数: 3204
18
这个正解,楼上其他jjyy什么quant 物理的人都是没工作过光会打嘴炮的吧
现在model validation啥的全把自己叫quantitative analyst
I**e
发帖数: 20
19
谢谢你中肯的建议,我想我适合做的就是类似model validation的职位。

★ 发自iPhone App: ChineseWeb 1.0
I**e
发帖数: 20
20
谢谢你的回复,我想我大概想做modeling validation之类,或者银行里risk
estimation什么的,你提到有关统计相关问题的绿皮书?请问哪里能看到?可以给一个
link吗?
多谢你了

test
★ 发自iPhone App: ChineseWeb 1.0
d********i
发帖数: 582
21
来自主题: JobHunting版 - 求教Valid Sudoku
看到一个答案,可以用一个for loop来检测sudoku 是否valid。
但是dan实在看不懂这句话: board[row / 3 * 3 + i / 3][col / 3 * 3 + i % 3] ==
num
不知道为什么可以check 3 * 3 blocks, 一会除一会乘一会求余,把我看晕。有能帮
忙解释下么?
public static boolean isValidSudoku(char[][] board) {
for (int i = 0; i < board.length; i++) {
for (int j = 0; j < board.length; j++) {
if (board[i][j] != '.') {
if (!isValid(board, board[i][j], i, j)) {
return false;
}
... 阅读全帖
s********d
发帖数: 93
22
来自主题: JobHunting版 - 判断String是不是valid json?
请教一下各位 如何像LC上Regurlar Expression Matching那道题的recursive解法一样
来validate JSON? java preferred..
比如就判断基本 [] {} 可以先不考虑嵌套之类的..

发帖数: 1
23
来自主题: JobHunting版 - 判断String是不是valid json?
最简单的难道不是待用eval一下这个字符串,不出错,返回对象的就是Valid JSON吧:
):)
m****s
发帖数: 18160
24
【 以下文字转载自 Working 讨论区 】
发信人: activeman (heart), 信区: Working
标 题: Job opening: credit risk management, model validation
发信站: BBS 未名空间站 (Fri Feb 8 10:19:30 2013, 美东)
My company is hiring people with model valiation experience. This refers to
PD, LGD, EAD models in retail banking or insurance industries. some level of
data analysis and programming (SAS, SQL etc) are preferred.Educaiton in
quant major (Math, statistics, economics, engineering) are pferred...
Location is Chicago, IL. Please PM me i... 阅读全帖
a*******n
发帖数: 284
25
ding..
need more experienced candidates....anyone with credit risk management or
model development/validation, please PM me..
~~~~~~~~~~~~~~
My company is hiring people with model valiation experience. This refers to
PD, LGD, EAD models in retail banking or insurance industries. some level of
data analysis and programming (SAS, SQL etc) are preferred.Educaiton in
quant major (Math, statistics, economics, engineering) are pferred...
Location is Chicago, IL. Please PM me if you are interested, and... 阅读全帖
m****s
发帖数: 18160
26
【 以下文字转载自 Quant 讨论区 】
发信人: HestonLSV (HestonLSV), 信区: Quant
标 题: 【 Repost-Job Opportunities 】Model Validation Roles in TK
发信站: BBS 未名空间站 (Wed Jan 27 01:20:28 2016, 美东)
Hi All,
We are the model risk team in a top tier IB. Our team is responsible to
manage model risk and cover a wide range of quant models used in the firm
through its range of business, from derivatives pricing models to models
used for risk management and capital computations.
We are now hiring associates both in Tokyo and Hong K... 阅读全帖
s*****s
发帖数: 13
27
银行说只有I-797A immigration petition 还不够,要有EAD或VALID VSIA. H1B有效期
只有三个月,我上次签证早就过期,而我没有申请过EAD.请问EAD究竟是怎么回事,现在申
请还来得及吗?
b******M
发帖数: 1162
28
【 以下文字转载自 FleaMarket 讨论区 】
发信人: beiwaiMM (尧七目), 信区: FleaMarket
标 题: 【出售】Home Depot 10% off coupon Valid through 6/30@ $10
发信站: BBS 未名空间站 (Fri Jun 6 01:09:02 2014, 美东)
pm or
L*************[email protected]
c*********7
发帖数: 7607
29
20个包子求 valid chase checking online 开户 100或125刀的coupon
e*******m
发帖数: 225
30
想用citi credit monitor查一下分
结果试了好几次都无法validate identity
确认信息不可能有错 地址都试了好几个 都不行
有人知道原因吗?
另外之前试过别的credit report网站也是这样
难道我的identity信息里有错?这信息到底是SSN的信息还是最早一张信用卡的信息?
谢谢
l*******o
发帖数: 620
31
刚加上了not valid on ipad mini with retina。。。是不是昨天买的也不算了......
d**j
发帖数: 5290
32
Offer not valid on new iPad Air, iPad Mini with Retina display or iPhone 5s
a******9
发帖数: 923
33
第四季度Online Shopping的那个5%没问题,但ShopDiscover在Apple.com的那5%就拿不
到了,因为terms里写的Offer not valid on new iPad Air, iPad Mini with Retina
display or iPhone 5s。
f*********1
发帖数: 691
34
转自flyertalk
Valid through: 6/28/14
Officemax is running an unadvertised in-store promotion giving an instant
rebate of $15 off of the purchase of $300 in Visa gift cards. Limit 1 per
transaction, so be nice and ask for multiple transactions. Money maker and
points for free, always a good day.
经他人验证可以一次transcation多次15off
PS:只在participated store有这个promo,不要问能不能load之类,谢谢。
b********y
发帖数: 559
35
早些时候开了一个citi的debit card,有30000点AA点数的promotion,要求是60天超过
750刀的消费。我就直接用amazon payment刷了一笔1000刀的。现在citi告诉我这个不
是valid debit card transition 而是pre-authrized debit card transaction. 他们
不算的。有人有这样的经历吗?我应该继续argue吗?
h****n
发帖数: 1025
36
来自主题: Money版 - moneypak number not valid
在RA买了6张moneypak。前2张没问题,后面四张说moneypak number not valid。
试了serve,accountnow和rushcard,都不行。请教如何解决?谢谢先!
l*******z
发帖数: 4276
37
will they still be valid if the card is cancelled?
thanks
m**2
发帖数: 3374
38
If you have used twitter to register the AMEX Sams Club offer on you Serve
cards and the offer does not appear on your serve card's offer page, it is
still valid. I just received the confirmation emails form AMEX after using
my Serve cards to make a purchase on samsclub.com:
Thanks for using your Amex Offer at SAMSCLUB.COM. Look out for a $20.00
statement credit within 90 days after the offer end date.
If you receive a tweet from @AmexOffers reminding you to use this offer,
please disregard it a... 阅读全帖

发帖数: 1
39
amex金卡加副卡offer随便填的ssn(名字是家里老妈的),副卡可以激活可以使用,后
来又收到amex的信要valid ssn号码或护照复印页,可以不理吗?
h****s
发帖数: 16779
40
如果信上没说不给的话30天就关,就没事,可以不理。
[在 lfnoidea (一无所知) 的大作中提到:]
:amex金卡加副卡offer随便填的ssn(名字是家里老妈的),副卡可以激活可以使用,
后来又收到amex的信要valid ssn号码或护照复印页,可以不理吗?
x*****i
发帖数: 5035
41
when I tried to login gobank today, it always said 'reCAPTCHA validation
failed. Please try again", what is the problem? the bank system or my
computer setup problem?
s*****x
发帖数: 3679
42
【 以下文字转载自 DealGroup 俱乐部 】
发信人: wiiRhappy (wiiRhappy), 信区: DealGroup
标 题: 【$】ToysRus Or BabysRus $10 off any purchase - Valid 7/17 Instore only
发信站: BBS 未名空间站 (Fri Jul 16 19:38:52 2010, 美东)
Just Receied an email from ToysRus & BabysRus.
Sorry if its a repost
Click Here To View or Print:
http://view.ed4.net/v/DZCOQI/QAAG0/VLZ9PEV/TK5QN4/MAILACTION=1&FORMAT=H?csm=147699840&csc=911499&csa=147479268&csu=915762
Click Here To View or Print:
http://view.ed4.net/v/DZCOQI/QAAG0/VLZ9PEV/TK5QN4/MAILACTION=
j******u
发帖数: 41683
43
来自主题: PennySaver版 - 绿墙4月 月rr Valid 3/28 thru 4/24
* $3 RR WYB 3 or more participating Oral-B or Crest products
^^^^ Mega Saver Price 3/$9 ^^^^^
Crest Whitening Toothpaste 3-D Vivid White Radiant Mint 5.8oz
Crest Whitening Rinse 3-D White Vivid Fresh Mint 8oz
Oral B Toothbrush Advanced 3-D White Vivid Medium 35
Oral B Toothbrush Advanced 3-D White Vivid Soft 35
Valid 2/28 - 4/24
PROCTOR & GAMBLE
* $5 RR WYB 2 or more participating Zrytec, Benadryl, Tylenol or Sudafed
products
Benadryl Child Allergy FastMelts Cherry 18ct
Benadryl Child Allergy Pe
e***w
发帖数: 1160
44
不建议交易打印胖子;胖子是免费的,收费的是服务:
出售/交换物品的名称:
Gymbucks $25 ( valid 7/15-7/25)
物品类别(coupon:mfc等;血糖仪等):
物品来源(报纸夹页,厂家邮寄等):
可接受的价格(必须明码标价,必填):
$5 email code
$6 first class shipping included
邮寄损失方式哪方承担(若需邮寄,必填):
付款方式说明:
BOA or non-cc paypal
本贴有效期(必填):
联系方式(例: 站内):
PM
s*****x
发帖数: 3679
45
【 以下文字转载自 DealGroup 俱乐部 】
发信人: wiiRhappy (wiiRhappy), 信区: DealGroup
标 题: 【$】ToysRus Or BabysRus $10 off any purchase - Valid 7/17 Instore only
发信站: BBS 未名空间站 (Fri Jul 16 19:38:52 2010, 美东)
Just Receied an email from ToysRus & BabysRus.
Sorry if its a repost
Click Here To View or Print:
http://view.ed4.net/v/DZCOQI/QAAG0/VLZ9PEV/TK5QN4/MAILACTION=1&FORMAT=H?csm=147699840&csc=911499&csa=147479268&csu=915762
Click Here To View or Print:
http://view.ed4.net/v/DZCOQI/QAAG0/VLZ9PEV/TK5QN4/MAILACTION=
y**1
发帖数: 511
46
不建议交易打印胖子;胖子是免费的,收费的是服务:
所卖物品名称:
CVS $25 新处方胖子
物品类别(coupon: mfc 等;血糖仪等):
Coupons,不跟卡, not valid in MA, NJ OR NY
物品来源(报纸夹页,厂家邮寄等):
邮寄到家
可接受的价格(必须明码标价,必填):
$3/张(包邮费)
邮寄损失方式哪方承担(若需邮寄,必填):
default
付款方式说明:
non cc paypal
本贴有效期(必填):
till sold
联系方式(例: 站内):
站内
w******t
发帖数: 37
47
来自主题: PennySaver版 - [售]Babies R US Coupons valid thru 10/30/10
BABIES R US COUPONS VALID 10/24 thtu 10/30/10
IN STORE AND ONLINE
Save $5 on ALL pampers or babies "R" Us Value boxes of Diapers (72 ct or
higher)
Save $3 on ANY TWO 22.2 oZ or lager power formulas (Brands cannot be
combined)
Price: $1.00
Payment: Paypal only
w******t
发帖数: 37
48
出售 15% off Babies R US Coupons Breast pump, etc.) valid thru 11/24/10

Babies R Us Save 15% ALL breastpumps.
Babies R Us Save 15% ALL Dr. Brown, playtex & Tommee Tippee closer to nature
infant feeding item.
Babies R Us Save 15% ALL gates & monitors.
Babies R Us Save 15% ALL gliders, ottomans & mattesses (includes Special
orders).
2 for $12 Diaper Genie II refills (must buy 2 for offer).
Save $3 for ALL potties & boosters.
可接受价格 $4包邮
付款方式说明 paypal ncc

联系方式: 站内
l*****t
发帖数: 2851
49
来自主题: PennySaver版 - [求购] kohls 10off20 coupon valid in NC
1 不建议交易打印胖子;胖子是免费的,收费的是服务 1
2 所求物品名称
kohls 10off20 coupon valid in NC
3 物品类别(coupon: mfc 等;血糖仪等) 100
4 物品来源(报纸夹页,厂家邮寄等) 200
5 可接受的价格(必须明码标价,必填)
$0.50每张
$1shipping
6 邮寄损失方式哪方承担(若需邮寄,必填)
普通平信
7 付款方式说明
non-cc paypal
8 本贴有效期(必填) 200
9 联系方式(例: 站内)
w******t
发帖数: 37
50
出售/交换物品的名称:
28 Babies R Us Coupons valid 1/28/11~2/21/11
Free $150 gift card with nursery furniture purchase of $999 or more
Free $100 gift card with nursery furniture purchase of $699 or more
Free $50 Gift Card with nursery furniture purchase of $399 or more
Save 15% - All crib bedding set $129.00 or more - all strollers & travel
systems - all car seats - all swings - all play yards and bassinets - all
gates - all monitors - all breast pumps - all humidifiers, thermometers,
vaporizers & air pur... 阅读全帖
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