https://codeforces.com/contest/1950/

My submissions:

A: https://codeforces.com/contest/1950/s...
B: https://codeforces.com/contest/1950/s...
C: https://codeforces.com/contest/1950/s...
D: https://codeforces.com/contest/1950/s...
E: https://codeforces.com/contest/1950/s...
F: https://codeforces.com/contest/1950/s...
G: https://codeforces.com/contest/1950/s... -- Watch live at   / leetcoach