Removing duplicate integers from an array without using extra buffer.
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What's the difference between Breadth-first algorithm and depth-first algorithm ?
* Takes a list of strings representing either operators or operands and returns * the result of a reverse-polish notation calculation on them * Sample output: * {"4", "1", "+", "2", "*"} -> ((4 + 1) * 2) -> 10 * {"5", "8", "4", "/", "+"} -> (5 + (8 / 4)) -> 7 * Supported operators are +, -, *, and / * @param ops the series of operators and operands to operate on * @return a Double equal to the result of the calculation * @throws IllegalArgumentException if ops does not represent a well-formed RPN expression * @throws ArithmeticException if the expression generates an arithmetic error, such as dividing by zero */
Find the largest rectangle area on a bar graph. Example, if you had a graph of 1,4,5,3,3,5 the answer would be 15 (3x5) which is formed by the rectangle that is 3 high and spans from position 2 (1 based) to 6.
logging, monitoring, alerting
Questions were basic from Core java,jsp,servlets,mysql,spring,hibernate,pl/sql
implementation of linked list, insertion deletion removal
console.log(1) setTimeout(() => { console.log(2) }, 0) console.log(3) What is the result? Explain it
A simple UML design , but unexperienced interviewers had only own solution in their mind.
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