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: 3554

Success rate: 44.41%

Mathematically Hard

Solved by: 3141

Success rate: 25.99%

Fibsieve's Fantabulous Birthday

Solved by: 6017

Success rate: 43.49%

Knights on a Chessboard

Solved by: 5033

Success rate: 29.23%

Solved by: 2965

Success rate: 31.74%

A Childhood Game

Solved by: 2373

Success rate: 49.84%

Solved by: 1299

Success rate: 42.02%

A Dangerous Maze

Solved by: 1813

Success rate: 70.28%

Trailing Zeroes (I)

Solved by: 2346

Success rate: 23.57%

Discovering Gold

Solved by: 1534

Success rate: 55.33%

Intelligent Factorial Factorization

Solved by: 2783

Success rate: 62.40%

Race to 1 Again

Solved by: 1315

Success rate: 67.94%

Digits of Factorial

Solved by: 4407

Success rate: 55.05%

Efficient Pseudo Code

Solved by: 1477

Success rate: 29.75%

Parallelogram Counting

Success rate: 35.58%

Solved by: 2428

Success rate: 40.17%

How Many Points?

Solved by: 1526

Success rate: 46.36%

Integer Divisibility

Solved by: 2089

Success rate: 52.66%

Just another Robbery

Success rate: 43.97%

Trailing Zeroes (II)

Solved by: 1562

Success rate: 56.68%

Arrange the Numbers

Success rate: 50.92%

Solved by: 1099

Success rate: 59.87%

Again Array Queries

Success rate: 41.04%

Problem Makes Problem

Solved by: 1318

Success rate: 49.09%

Birthday Paradox

Success rate: 49.44%

Solved by: 4161

Success rate: 77.78%

Solved by: 5117

Success rate: 38.84%

Success rate: 54.08%

Cricket Ranking

Success rate: 42.04%

Trailing Zeroes (III)

Solved by: 2827

Success rate: 53.73%

How Many Zeroes?

Solved by: 1140

Success rate: 71.84%

Success rate: 36.50%

Solved by: 1279

Success rate: 52.99%

Snakes and Ladders

Success rate: 61.60%

Success rate: 50.25%

Success rate: 52.15%

Counting Perfect BST

Success rate: 36.54%

The Vindictive Coach

Success rate: 51.93%

Josephus Problem

Success rate: 72.07%

Solved by: 1147

Success rate: 31.95%

Fantasy of a Summation

Success rate: 64.02%

Solved by: 4410

Success rate: 51.73%

Solved by: 1448

Success rate: 38.29%

Mysterious Bacteria

Success rate: 28.40%

One Unit Machine

Success rate: 70.37%

Harmonic Number

Solved by: 1136

Success rate: 45.80%

Pairs Forming LCM

Success rate: 41.39%

Harmonic Number (II)

Success rate: 73.30%

Success rate: 39.23%

Success rate: 77.94%