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Problem List

Practice your algorithmic skills with these problems

508 problems|
  • #
    loops - part 1
    ×178
  • 123
    loops - part 4
    ×107
  • a^2 * a^3 = a^5
    BIG integers
    ×127
  • |a - b|
    BIG integers
    ×147
  • a-b
    integers
    ×360
  • a/b
    integers
    ×350
  • a+b
    integers
    ×361
  • A / B
    doubles
    ×133
  • A + B
    Khimio
    ×445
  • ABABABA2026×78
  • a+b+c+d
    integers
    ×288
  • A four-digit odd number
    if
    ×144
  • Alice and Bob playing an easy game×155
  • All even
    loops - part 1
    ×120
  • All numbers from 1 to N
    loops - part 1
    ×117
  • All numbers from l to r
    loops - part 1
    ×114
  • All odd
    loops - part 1
    ×136
  • Almost increasing×123
  • Almost Palindrome×16
  • Alphabet
    string & chars
    ×54
  • a mod b
    integers
    ×318
  • Ant×27
  • Antiqa globus×14
  • A puzzle about queens×10
  • Aquarium
    introduction to C++
    ×331
  • Archivist×19
  • Area of a right triangle
    doubles
    ×67
  • Are the arrays equal?
    Arrays
    ×68
  • Arithmetic Averages
    doubles
    ×86
  • Arithmetic expression
    integers
    ×206
  • Arithmetic Game×60
  • Arithmetic progression
    loops - part 1
    ×86
  • Arithmetic sum
    Khimio
    ×190
  • Arrangement×6
  • Array alignment
    Arrays
    ×42
  • Array queries
    Arrays
    ×34
  • Arrays and Queries×25
  • a x b
    BIG integers
    ×102
  • Balloonburst×12
  • b + a or a + b
    string
    ×60
  • Beautiful name×7
  • Beautiful Numbers×9
  • Bee×7
  • Binary String×2
  • Book and Stamps×4
  • Bookshelf×3
  • Boring Data Structure×21
  • Bouquet×6
  • Break into digits×44
  • Bukhara Avenue
    ioi-test
    ×188
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