profiles:
codeforces: https://codeforces.com/profile/manitianajay45
codechef: https://www.codechef.com/users/manitianajay45
cses: https://cses.fi/user/109927
Atcoder: https://atcoder.jp/users/manitianajay45
I have spend a lot of time with CP, here to share sources , good problems.
C++
profiles:
codeforces: https://codeforces.com/profile/manitianajay45
codechef: https://www.codechef.com/users/manitianajay45
cses: https://cses.fi/user/109927
Atcoder: https://atcoder.jp/users/manitianajay45