convicted person will be released at the top of a 100-step staircase.
Source: Mathematics Regional Olympiad of Mexico Center Zone 2007 P1
November 8, 2021
combinatorics
Problem Statement
A convicted person will be released when he reaches the top of a -step staircase. But he cannot advance as he pleases, since he is obliged to go up one step each day of the odd-numbered months and go down one step each day of the even-numbered months. If it begins on January , , what day will it be released?