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Problem List

Practice your algorithmic skills with these problems

491 problems|
  • #
    loops - part 1
    ×307
  • 123
    loops - part 4
    ×217
  • a^2 * a^3 = a^5
    BIG integers
    ×270
  • |a - b|
    BIG integers
    ×300
  • a-b
    integers
    ×516
  • a/b
    integers
    ×499
  • a+b
    integers
    ×513
  • A / B
    doubles
    ×264
  • A + B
    Khimio
    ×521
  • ABABABA2026×117
  • a+b+c+d
    integers
    ×452
  • A four-digit odd number
    if
    ×306
  • Alice and Bob playing an easy game×207
  • All even
    loops - part 1
    ×215
  • All numbers from 1 to N
    loops - part 1
    ×222
  • All numbers from l to r
    loops - part 1
    ×208
  • All odd
    loops - part 1
    ×226
  • Almost increasing×157
  • Almost Palindrome×35
  • Alphabet
    string & chars
    ×125
  • a mod b
    integers
    ×453
  • Ant×48
  • Antiqa globus×54
  • A puzzle about queens×28
  • Aquarium
    introduction to C++
    ×469
  • Archivist×38
  • Area of a right triangle
    doubles
    ×151
  • Are the arrays equal?
    Arrays
    ×131
  • Arithmetic Averages
    doubles
    ×177
  • Arithmetic expression
    integers
    ×354
  • Arithmetic Game×77
  • Arithmetic progression
    loops - part 1
    ×147
  • Arithmetic sum
    Khimio
    ×216
  • Arrangement×18
  • Array alignment
    Arrays
    ×91
  • Array queries
    Arrays
    ×76
  • Arrays and Queries×38
  • a x b
    BIG integers
    ×233
  • Balloonburst×55
  • b + a or a + b
    string
    ×159
  • Beautiful name×22
  • Beautiful Numbers×24
  • Bee×22
  • Binary String×15
  • Book and Stamps×18
  • Bookshelf×14
  • Boring Data Structure×34
  • Bouquet×21
  • Break into digits×58
  • Bukhara Avenue
    ioi-test
    ×209
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