frogv ,  tle

problem ,  programming

bestbats

payingup ,  recursion ,  subset-sum

points

practice

c-plus-plus ,  tle ,  bit-manipulation

subarray ,  greatest-common-divisor

segmentation

backtracking

ww2

editorial ,  fenwick-tree ,  hard ,  sept14 ,  sqrt-decomp

c

c ,  pointers ,  programming

dynamic-programming ,  kanpur ,  online-contest

commute ,  cook05 ,  easy ,  editorial

easy-medium ,  fieldtrip ,  runtime-error

matrix-exponentiation ,  recurrence

newbie ,  of ,  problems

grid

by ,  pass

set

c

cook50 ,  depth-first-search ,  dynamic-programming ,  editorial ,  medium-hard ,  lowest-common-ancestor

biginteger ,  datatypes ,  integer ,  large-integers

c-plus-plus

acm-icpc

wa