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: 3353

Success rate: 44.47%

Mathematically Hard

Solved by: 2840

Success rate: 26.40%

Fibsieve's Fantabulous Birthday

Solved by: 5863

Success rate: 43.45%

Knights on a Chessboard

Solved by: 4892

Success rate: 29.13%

Solved by: 2748

Success rate: 31.33%

A Childhood Game

Solved by: 2297

Success rate: 49.50%

Solved by: 1252

Success rate: 42.12%

A Dangerous Maze

Solved by: 1740

Success rate: 70.56%

Trailing Zeroes (I)

Solved by: 2218

Success rate: 23.26%

Discovering Gold

Solved by: 1479

Success rate: 56.05%

Intelligent Factorial Factorization

Solved by: 2639

Success rate: 61.88%

Race to 1 Again

Solved by: 1268

Success rate: 67.65%

Digits of Factorial

Solved by: 4268

Success rate: 54.90%

Efficient Pseudo Code

Solved by: 1434

Success rate: 29.58%

Parallelogram Counting

Success rate: 36.41%

Solved by: 2297

Success rate: 39.63%

How Many Points?

Solved by: 1401

Success rate: 46.46%

Integer Divisibility

Solved by: 1989

Success rate: 52.49%

Just another Robbery

Success rate: 43.97%

Trailing Zeroes (II)

Solved by: 1517

Success rate: 56.68%

Arrange the Numbers

Success rate: 50.65%

Solved by: 1068

Success rate: 60.42%

Again Array Queries

Success rate: 41.25%

Problem Makes Problem

Solved by: 1126

Success rate: 49.35%

Birthday Paradox

Success rate: 50.19%

Solved by: 4024

Success rate: 77.67%

Solved by: 4995

Success rate: 38.61%

Success rate: 53.81%

Cricket Ranking

Success rate: 42.10%

Trailing Zeroes (III)

Solved by: 2707

Success rate: 53.45%

How Many Zeroes?

Solved by: 1115

Success rate: 71.75%

Success rate: 36.12%

Solved by: 1251

Success rate: 52.70%

Snakes and Ladders

Success rate: 61.46%

Success rate: 49.74%

Success rate: 52.65%

Counting Perfect BST

Success rate: 36.68%

The Vindictive Coach

Success rate: 52.55%

Josephus Problem

Success rate: 72.76%

Solved by: 1126

Success rate: 31.89%

Fantasy of a Summation

Success rate: 63.88%

Solved by: 4218

Success rate: 51.45%

Solved by: 1406

Success rate: 38.52%

Mysterious Bacteria

Success rate: 28.16%

One Unit Machine

Success rate: 70.01%

Harmonic Number

Solved by: 1115

Success rate: 45.76%

Pairs Forming LCM

Success rate: 41.43%

Harmonic Number (II)

Success rate: 73.17%

Success rate: 39.59%

Success rate: 78.44%