Codechef Long Contest:

• FUNAGP
• SIGFIB
• ROTATION
• FLOORI4
• POWERMUL
• FNCS

Codechef Short Contest

Hackerrank Hiring Contests for other companies:

• find-minima-of-and
• ram-solving-puzzle

Hackerrank Long Contest:

• devu-police
• dynamic-summation
• jagia-playing-with-numbers
• even-odd-query
• closest-number
• value-of-all-permutations
• pairwise-sum-and-divide
• divisibility-of-power

TBU

Hackerrank Short Contest

• recalling-early-days-gp-with-trees
• coloring-tree
• dorsey-thief
• rooted_tree
• angry-professor
• maximise-sum
• playing-with-numbers
• easy-addition

Problems for IOPC organised by IIT Kanpur

• IOPC14H
• IOPC14I
• IOPC14E
• IOPC14P
• IOPC14G
• IOPC14B
• IOPC14F

Spoj:

• POWPOW
• POWPOW2
• ADDGP
• SUMSUM
• LIFERACE
• POWRTU
• COMBD
• PERMUN

Google Codejam

Google APACTEST