Tutorials and codes for many problems on various online judges

ID	Online Judge	Problem code	Problem Name	Tags	Link to my code
1	ICPC Live Archive	2045	Closest Common Ancestors	Graph, Lowest Commmon Ancestor, Sparse Table	Link
2	LightOj	1034	Hit the Light Switches	Graphs, Topological sorting, Strongly Connected Components	Link
3	LightOj	1168	Wishing Snake	Graphs, Strongly Connected Component	Link
4	LightOj	1210	Efficient Traffic System	Graphs, Strongly Connected Component	Link
5	LightOj	1002	HCountry Roads	Graphs, Minimum Spannig Tree, Kruskal	Link
6	LightOj	1029	Civil and Evil Engineer	Graphs, Minimum Spannig Tree, Kruskal	Link
7	LightOj	1040	Donation	Graphs, Minimum Spannig Tree, Kruskal	Link
8	LightOj	1041	Road Construction	Graphs, Minimum Spannig Tree, Kruskal	Link
9	LightOj	1059	Air Ports	Graphs, Minimum Spannig Tree, Kruskal	Link
10	SPOJ	MELE3	MELE3	Graphs - Shortest paths - Dijkstra	Link
11	SPOJ	CAPCITY	Capital City	Graphs, Strongly Connected Component	Link
12	SPOJ	GIVEAWAY	Give Away	Data Structures, SQRT Decomposition, Binary Search	Link
13	SPOJ	MCARDS	Card Sorting	Dynamic Programming, Longest Increasing subsequence	Link
14	SPOJ	QUEEN	Wandering Queen	Graphs, BFS	Link
15	SPOJ	ROHAAN	Defend The Rohan	Graphs, all pairs shortest paths, floyd	Link
16	SPOJ	TFRIENDS	True Friends	Graphs, Strongly Connected Component	Link
17	SPOJ	TRAFFICN	Traffic Network	Graphs, shortest paths, dijkstra	Link
18	UVA	10048	Audiophobia	Graphs, Minimum Spanning Tree, Kruskal	Link
19	UVA	10131	Is Bigger Smarter?	Dynamic Programming - Longest Increasing subsequence	Link
20	UVA	10422	Knights in FEN	Graphs, Single Source Shortest Path, BFS	Link
21	UVA	10611	The Playboy Chimp	Binary Search	Link
22	UVA	10842	Traffic Flow	Graphs, Minimum Spanning Tree, Kruskal	Link
23	UVA	10938	Flea circus	Graphs, Lowest Common Ancestor, Sparse Table	Link
24	UVA	11428	Cubes	Binary Search	Link
25	UVA	11456	Trainsorting	Dynamic Programming, Longest Increasing Subsequence, Longest Decreasing Subsequence	Link
26	UVA	11631	Dark roads	Graphs, Minimum Spanngin Tree, Kruskal	Link
27	UVA	11693	Speedy Escape	Graphs, Single Source Shortest Path, Dijkstra	Link
28	UVA	11792	Krochanska is Here!	Graphs, Single Source Shortest Path, BFS	Link
29	UVA	11974	Switch The Lights	Dynamic Programming, Bit mask	Link
30	UVA	11990	``Dynamic'' Inversion	Data Structures, Square Root Decomposition, Binary Search	Link
31	UVA	12032	The Monkey and the Oiled Bamboo	Binary Search	Link
32	UVA	12238	Ants Colony	Graphs, Lowest Common Ancestor, Sparse Table	Link
33	UVA	1747	Heavy Cycle Edges	Graphs, Minimum Spanngin Tree, Kruskal	Link
34	UVA	459	Graph Connectivity	Graphs, DFS	Link
35	UVA	928	Eternal Truths	Graphs, BFS, Shortest Paths, Single Source Shortest Path	Link