Links of Problems
Problem 1 - https://codeforces.com/problemset/problem/1611/D
Problem 2 -https://codeforces.com/problemset/problem/1579/C
Problem 3 - https://codeforces.com/problemset/problem/1575/J
Time Stamp
0:00 Problem 1 - D Weights Assignment For Tree Edges
22:49 Problem 2 - C Ticks
43:10 Problem 3 - J Jeopardy of Dropped Balls
