Problems from Tough Dash, November 2022

These problems are from a contest organized by Furqan Software on November 4, 2022 at 1:00 PM UTCSee details...

Standings
A. Tricky Ratio
Given the radius (r) of a circle you have to calculate the ratio between the circumference (C) of th...
Math Very Easy 73/74/96
B. Grid'y Rotations
Consider an M×N grid of numbers and then a series of (r,c) pairs. Each (r,c) pair corresponds to a p...
C. Prime Factors
Given an integer N, can you determine its prime factors?
D. Cash Change
You have an unlimited number of cash notes of the following denominations: 1, 5, 10, 50, 100, 500. G...
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