std::next_permutation(arr.begin(),arr.end());

What is next_permutation(a.begin(),a.end()) ? Next permutation is like what its name says, finds the next permutation of a and assigns ...

  • Unofficial Editorial - August Challenge 2019 Div 2 - CodeChef
    I really enjoyed this contest ! The questions were nice and I had a lot of time to do them. So here I want to share my approaches to the pro...
  • Programming Competitions and Training 1
    Competitions International competitions IOI Most people who are less than 18 years old are aiming for the IOI. IOI is also called Inte...
  • Frog 2
    So here I'm going to solve a AtCoder problem from the AtCoder Educational Contest Problem Statement :  https://atcoder.jp/contests/dp/t...