C++ (CSP-J) Weekly Practice – Problem 2: Number Formation
Problem 1: Number FormationProblem Description Xiao R is learning string processing. Xiao X gave Xiao R a string s, which contains only lowercase letters and digits, and contains at least one digit from 1 to 9. Xiao X hopes that Xiao R can use any number of digits from s, in any order, to form … Read more
