Question
What does it mean for an algorithm to be
"in-place"?Solution
An in-place algorithm transforms its input using a small, constant amount of extra storage space, typically O(1) or O(log N) (for recursion stack). It modifies the input data structure directly rather than creating a new one.
A shopkeeper marks goods 40% above cost and offers two successive discounts of 20% and 25%. Find the overall profit or loss percent.
The cost price of 14 headphones equals the selling price of 10.5 headphones. The ratio of the cost price of a headphone to a phone case is 7:6. The tota...
A shopkeeper earns a profit of 30% by selling an article. What would be the approximate percent change in the profit percent, if he had paid 20% less an...
An item costs Rs.1250. It is marked up by x% and then sold after a discount of (x – 8)%. The seller earns a profit of Rs.30. Find the marked price.
A shopkeeper sold an article for Rs. 300 after offering a discount of 40%. If he earned a profit of 50%, then find the ratio of cost price to the marked...
When a shopseller offers a discount of d% on item A and (d + 5)% on item B, quoting an equal marked price on both the items. If the ratio of S.P of item...
- A person sold two goods for Rs. 80 each. One item was sold at a loss of 10% and the other at a gain of 20%. Find the approximate difference between the cos...
A shopkeeper bought two articles for Rs. 900 each. If he sold one of them at 40% profit and the other at 25% loss, then find the difference between the ...
Two articles P and Q were sold at 20% profit and 25% loss respectively. If the cost price of Q is Rs. 180 and the net profit on the deal is Rs. 6, find ...
A smartphone is billed at Rs. 630 after two successive reductions of x% and 30%, respectively. The sticker price is Rs. 1000. Find x.
