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: 3560

Success rate: 44.44%

Mathematically Hard

Solved by: 3148

Success rate: 25.99%

Fibsieve's Fantabulous Birthday

Solved by: 6018

Success rate: 43.49%

Knights on a Chessboard

Solved by: 5035

Success rate: 29.23%

Solved by: 2968

Success rate: 31.75%

A Childhood Game

Solved by: 2375

Success rate: 49.86%

Solved by: 1301

Success rate: 42.04%

A Dangerous Maze

Solved by: 1815

Success rate: 70.30%

Trailing Zeroes (I)

Solved by: 2346

Success rate: 23.56%

Discovering Gold

Solved by: 1536

Success rate: 55.33%

Intelligent Factorial Factorization

Solved by: 2785

Success rate: 62.41%

Race to 1 Again

Solved by: 1316

Success rate: 67.90%

Digits of Factorial

Solved by: 4410

Success rate: 55.05%

Efficient Pseudo Code

Solved by: 1479

Success rate: 29.76%

Parallelogram Counting

Success rate: 35.55%

Solved by: 2435

Success rate: 40.21%

How Many Points?

Solved by: 1527

Success rate: 46.36%

Integer Divisibility

Solved by: 2090

Success rate: 52.67%

Just another Robbery

Success rate: 43.97%

Trailing Zeroes (II)

Solved by: 1565

Success rate: 56.68%

Arrange the Numbers

Success rate: 50.94%

Solved by: 1100

Success rate: 59.83%

Again Array Queries

Success rate: 41.04%

Problem Makes Problem

Solved by: 1328

Success rate: 49.07%

Birthday Paradox

Success rate: 49.46%

Solved by: 4164

Success rate: 77.79%

Solved by: 5119

Success rate: 38.84%

Success rate: 54.05%

Cricket Ranking

Success rate: 42.22%

Trailing Zeroes (III)

Solved by: 2828

Success rate: 53.74%

How Many Zeroes?

Solved by: 1141

Success rate: 71.82%

Success rate: 36.46%

Solved by: 1279

Success rate: 52.97%

Snakes and Ladders

Success rate: 61.60%

Success rate: 50.25%

Success rate: 52.17%

Counting Perfect BST

Success rate: 36.51%

The Vindictive Coach

Success rate: 51.74%

Josephus Problem

Success rate: 72.07%

Solved by: 1148

Success rate: 31.95%

Fantasy of a Summation

Success rate: 64.02%

Solved by: 4412

Success rate: 51.73%

Solved by: 1449

Success rate: 38.29%

Mysterious Bacteria

Success rate: 28.36%

One Unit Machine

Success rate: 70.22%

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: 39.25%

Success rate: 77.94%