Add a bunch of other problems.

TODO.md

@@ -37,9 +37,24 @@ Official divs from codeforces
 
 		Another problem that I didn't have time to finish...
 
+	- [ ] [D. Smithing Skill](https://codeforces.com/problemset/problem/1989/D)
+
+		Yet another problem I couldn't solve on time.
+	
+	- [ ] [D1. Removal of a Sequence (Easy Version)](https://codeforces.com/contest/2169/problem/D1)
+
+		A josephus problem, I'm gonna need to remember how it works to maka this.
+
+- Global
+
+	- [ ] [E. Journey](https://codeforces.com/contest/2164/problem/E)
+
+		A problem from the global round that I couldn't do during the contest, it's seems to be about
+		reconstruction tree, I'll have to see about it.
+
 - Div 1/2
 
-	- [ ] [D. Division Versus Addition](https://codeforces.com/contest/2152/problem/D)
+	- [X] [D. Division Versus Addition](https://codeforces.com/contest/2152/problem/D)
 
 		The idea is simple, but I have to think through it better.
 
@@ -72,6 +87,24 @@ Official divs from codeforces
 	- [ ] [D1. Hot Start Up (easy version)](https://codeforces.com/contest/1799/problem/D1)
 
 		DP, but couldn't do during the simulation...
+	
+	- [ ] [D. Birthday Gift](https://codeforces.com/problemset/problem/1946/D)
+
+		Another interesting problem that I couldn't do on time.
+	
+	- [X] [C. How Does the Rook Move?](https://codeforces.com/problemset/problem/1957/C)
+
+		Combinatory problem, managed to get close to the answer but apparently the equation is still
+		wrong, need to find the error.
+	
+	- [X] [C2. Hacking Numbers (Medium Version)](https://codeforces.com/contest/2109/problem/C2)
+
+		Math problem, I feel like I'm closer to an answer.
+	
+	- [ ] [C. Freedom of Choice](https://codeforces.com/problemset/problem/1893/C)
+		
+		Doesn't look impossible, but I'm not sure what to do on it, I'll check it out
+		in the future.
 
 - Div 3
 
@@ -82,7 +115,16 @@ Official divs from codeforces
 	- [ ] [XORificator 3000](https://codeforces.com/problemset/problem/2036/F)
 
 		I had an idea, but didn't have time to implement it.
+	
+	- [X] [F. Programming Competition](https://codeforces.com/problemset/problem/1914/F)
 
+		Lack of time... Again.
+	
+	- [ ] [F. Rae Taylor and Trees (hard version)](https://codeforces.com/problemset/problem/2171/F)
+
+		I tried doing it during a simulation but my head didn't want to help me,
+		I have to do it eventually when I feel better.
+ 
 - Div 4
 
 	- [ ] [F. Gravity Falls](https://codeforces.com/contest/2148/problem/F)
@@ -106,7 +148,7 @@ Gym from simulations or contests that I did
 
 	- [ ] L. Last Guess
 
-		I think I can solve it with flow.
+		I think I can solve it with max flow.
 
 - USP Try-outs
 
@@ -124,8 +166,24 @@ Gym from simulations or contests that I did
 		
 		I'll be honest, I just got bored in the middle.
 
+- 2022-2023 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred)
+
+	- [ ] [A. Amazing Trick](https://codeforces.com/problemset/problem/1773/A)
+
+		Once again, didn't finish in time, I didn't even read it to be honest.
+
+- Bubble Cup 9 - Finals [Online Mirror]
+
+	- [ ] [D. Dexterina’s Lab](https://codeforces.com/contest/717/problem/D)
+
+		Got recomended to me.
+
 ## Atcoder
 
 - [ ] [F. Operate K](https://atcoder.jp/contests/abc386/tasks/abc386_f)
 
 	DP with optimization.
+
+- [ ] [F - Pyramid Alignment](https://atcoder.jp/contests/abc428/tasks/abc428_f)
+
+	Looks like a good implementation problem.