Citicorp Analyst Interview Questions, Process, and Tips

Q1. One of the project related to predictive modeling and deep diving details
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Questions on SQL using concepts of lead and lag.

Q1. Question on with multiple complex tables
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Q2. Window functions in SQL
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Gd - china india topic

Q1. Tell meabout yourself
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Q2. Go through your resume
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Q1. Run through cv and previous role
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Q1. Ok interview, not very tough questions
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Q2. Write a program to reverse a string in On/2 time complexity
Ans. 
Program to reverse a string in O(n/2) time complexity
• Initialize two pointers, one at the beginning and one at the end of the string

• Swap characters at the two pointers and move them towards each other until they meet

• Repeat until the entire string is reversed

• Example: Input 'hello' -> Output 'olleh'
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