Links of Problems
Problem 1 - https://codeforces.com/problemset/problem/1659/C
Problem 2 - https://codeforces.com/problemset/problem/1651/C
Problem 3 - https://codeforces.com/problemset/problem/1646/C
Problem 4 - https://codeforces.com/problemset/problem/1630/A
Time Stamp
0:00 Problem 1 - C. Line Empire
14:50 Problem 2 - C. Fault-tolerant Network
29:00 Problem 3 - C. Factorials and Powers of Two
45:50 Problem 4 - A. And Matching
