Math - Problems | LightOJ

Math

Basic Math

Big Integer Arithmetic

Chinese Remainder Theorem

Combinatorics

Extended Euclid

Generating Functions

Group Theory/Burnside's lemma

Inclusion/Exclusion

Modular Arithmetic

Number Theory

Pigeonhole Principle

Probability/Expected Value

Show unsolved only

Solved by: 3489

Success rate: 44.35%

Mathematically Hard

Solved by: 3038

Success rate: 26.07%

Fibsieve's Fantabulous Birthday

Solved by: 5983

Success rate: 43.45%

Knights on a Chessboard

Solved by: 5002

Success rate: 29.23%

Solved by: 2913

Success rate: 31.62%

A Childhood Game

Solved by: 2357

Success rate: 49.75%

Solved by: 1289

Success rate: 41.96%

A Dangerous Maze

Solved by: 1803

Success rate: 70.36%

Trailing Zeroes (I)

Solved by: 2321

Success rate: 23.57%

Discovering Gold

Solved by: 1518

Success rate: 55.41%

Intelligent Factorial Factorization

Solved by: 2759

Success rate: 62.32%

Race to 1 Again

Solved by: 1306

Success rate: 67.93%

Digits of Factorial

Solved by: 4386

Success rate: 55.04%

Efficient Pseudo Code

Solved by: 1474

Success rate: 29.73%

Parallelogram Counting

Success rate: 35.75%

Solved by: 2393

Success rate: 40.10%

How Many Points?

Solved by: 1484

Success rate: 46.45%

Integer Divisibility

Solved by: 2068

Success rate: 52.69%

Just another Robbery

Success rate: 43.87%

Trailing Zeroes (II)

Solved by: 1555

Success rate: 56.69%

Arrange the Numbers

Success rate: 50.95%

Solved by: 1093

Success rate: 59.99%

Again Array Queries

Success rate: 40.94%

Problem Makes Problem

Solved by: 1248

Success rate: 49.14%

Birthday Paradox

Success rate: 49.89%

Solved by: 4132

Success rate: 77.73%

Solved by: 5094

Success rate: 38.81%

Success rate: 53.99%

Cricket Ranking

Success rate: 41.93%

Trailing Zeroes (III)

Solved by: 2795

Success rate: 53.63%

How Many Zeroes?

Solved by: 1135

Success rate: 71.81%

Success rate: 36.55%

Solved by: 1272

Success rate: 52.91%

Snakes and Ladders

Success rate: 61.61%

Success rate: 49.96%

Success rate: 52.00%

Counting Perfect BST

Success rate: 36.47%

The Vindictive Coach

Success rate: 52.00%

Josephus Problem

Success rate: 72.20%

Solved by: 1139

Success rate: 31.89%

Fantasy of a Summation

Success rate: 64.06%

Solved by: 4373

Success rate: 51.68%

Solved by: 1442

Success rate: 38.30%

Mysterious Bacteria

Success rate: 28.52%

One Unit Machine

Success rate: 70.09%

Harmonic Number

Solved by: 1131

Success rate: 45.85%

Pairs Forming LCM

Success rate: 41.37%

Harmonic Number (II)

Success rate: 73.23%

Success rate: 39.23%

Success rate: 77.76%