It takes 15 minutes to fill a tank from a tap and 40 minutes to enpty it from the sink . If both are open how long will it take to fill the tank . Capacity of tank is 400 gallons
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Suppose there is a rectangular map where you can only travel up or right to go from a start location in the bottom left corner to the top right corner, and each move is discrete. Write a program that prints all possible solutions to get from the start to finish.
Who were Germany's allies in World War 2?
I have a log that consists of more than 100 million lines. Each line is just a data about user login, login time, etc. I want to sort them based on user login, and then if there is a tie based on login time, etc. However, I have limited memory, so don't think of storing all of them in an array. The memory can only hold n data where n is much smaller than 100 millions. You can access the disk though although it is much slower. How will you do it so that it is as efficient as possible?
Given an array of int[] like 1,2,3 Find the next largest integer than can be made with these digits (e.g.: 2,1,3)
We have a log file, can grow pretty big. Each line is a trace-log, and the first field is the RequestID. We need to scan the file, and print all the logs for requests which resulted in error .. 001 <timestamp> BEGIN 001 <timestamp> fetched from db 001 <timestamp> some processing .. 002 <timestamp> BEGIN .. 002 <timestamp> fetched from db 001 <timestamp> returned success 003 <timestamp> BEGIN 001 <timestamp> END 003 <timestamp> some work 002 <timestamp> ERROR 003 <timestamp> some other work
The coding problem in 2nd round.
how would you design how a cellphone implements its contact list when you press a certain letter. For example, If you press M it will tell you all the names starting with M. then if you press MI it will tell you all names starting from MI and so forth....
Write a program to print series. 6,15,35,77....
Short coding : 1. They gave an array A with N elements we need to find if addition of two elements in the array will be the element K Ex: I/P: a[5]={7,3,2,6,4,} K=10; Op:7+3=10 6+4=10 2. Two sorted array a[],b[] will be given we need to merge the array without temporary array. 3. An array arr[] with elements are given we need to sort the odd number in descending on left side and the even numbers in ascending on the right side of the array Ex: I/P: arr[5]={7,4,3,5,2} O/P:7 5 3 2 4
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