SPOJ Volume I

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Volume I

Problem	Link	Category	Difficulty (1-10)
1 - Life, the Universe, and Everything	TEST	Simple Iteration	1
2 - Prime Generator	PRIME1	Prime Sieve of Eratosthenes
3 - Substring Check (Bug Funny)	SBSTR1	Esoteric Languages
4 - Transform the Expression	ONP	Simple Iteration, String Parsing	3
5 - The Next Palindrome	PALIN	Greedy, Simple Math	3
6 - Simple Arithmetics	ARITH	Big Numbers
7 - The Bulk!	BULK
8 - Complete the Sequence!	CMPLS	Mathematics
9 - Direct Visibility	DIRVS
10 - Complicated Expressions	CMEXPR	String Parsing, Expression Manipulation
11 - Factorial	FCTRL	Simple Iteration, Simple Math	2
12 - The Game of Master-Mind	MMIND
13 - Hotline	HOTLINE
14 - I-Keyboard	IKEYB	Dynamic Programming
15 - The Shortest Path	SHPATH	Shortest Path, Optimization
16 - Sphere in a tetrahedron	TETRA	Solid Geometry
17 - The Bytelandian Cryptographer (Act I)	CRYPTO1	Mathematics
18 - The Bytelandian Cryptographer (Act II)	CRYPTO2	Esoteric Languages (Brainfuck)
19 - The Bytelandian Cryptographer (Act III)	CRYPTO3	Esoteric Languages
20 - The Bytelandian Cryptographer (Act IV)	CRYPTO4
22 - Triangle From Centroid	TRICENTR	Planar Geometry	6
23 - Pyramids	PIR	Computational Geometry
24 - Small factorials	FCTRL2	Big Numbers
25 - Pouring water	POUR1	Graph Theory
26 - Build the Fence	BSHEEP	Convex Hull
27 - Sorting Bank Accounts	SBANK	Sorting
28 - Help the Military Recruitment Office!	HMRO	Data Structures
29 - Hash it!	HASHIT	Data Structures
30 - Bytelandian Blingors Network	BLINNET	Minimal Spanning Tree
31 - Fast Multiplication	MUL	Divide and Conquer	8
32 - A Needle in the Haystack	NHAY	Strings
33 - Trip	TRIP	Dynamic Programming	7
34 - Run Away	RUNAWAY	Geometry
35 - Equipment Box	EQBOX	Geometry
36 - Secret Code	CODE1
37 - The Proper Key	PROPKEY
38 - Labyrinth	LABYR1	Graph Theory	3
39 - Piggy-Bank	PIGBANK	Dynamic Programming
40 - Lifting the Stone	STONE	Computational Geometry
41 - Play on Words	WORDS1	Eulerian Tour
42 - Adding Reversed Numbers	ADDREV	Simple Math	1
43 - Copying Books	BOOKS1	Searching
44 - Substitution Cipher	SCYPHER	Sorting
45 - Commedia dell Arte	COMMEDIA	Adhoc
47 - Skyscraper Floors	SCRAPER	Mathematical
48 - Glass Beads	BEADS	Strings
49 - Hares and Foxes	HAREFOX	Mathematical
50 - Invitation Cards	INCARDS	Graph Theory
51 - Fake tournament	TOUR	Graph Theory
54 - Julka	JULKA	Big Numbers	1