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: 3527

Success rate: 44.32%

Mathematically Hard

Solved by: 3098

Success rate: 26.03%

Fibsieve's Fantabulous Birthday

Solved by: 6000

Success rate: 43.47%

Knights on a Chessboard

Solved by: 5018

Success rate: 29.23%

Solved by: 2943

Success rate: 31.68%

A Childhood Game

Solved by: 2363

Success rate: 49.80%

Solved by: 1297

Success rate: 42.02%

A Dangerous Maze

Solved by: 1808

Success rate: 70.28%

Trailing Zeroes (I)

Solved by: 2336

Success rate: 23.58%

Discovering Gold

Solved by: 1526

Success rate: 55.53%

Intelligent Factorial Factorization

Solved by: 2775

Success rate: 62.35%

Race to 1 Again

Solved by: 1311

Success rate: 67.92%

Digits of Factorial

Solved by: 4399

Success rate: 55.08%

Efficient Pseudo Code

Solved by: 1477

Success rate: 29.75%

Parallelogram Counting

Success rate: 35.77%

Solved by: 2417

Success rate: 40.21%

How Many Points?

Solved by: 1512

Success rate: 46.40%

Integer Divisibility

Solved by: 2078

Success rate: 52.73%

Just another Robbery

Success rate: 43.92%

Trailing Zeroes (II)

Solved by: 1558

Success rate: 56.66%

Arrange the Numbers

Success rate: 50.88%

Solved by: 1097

Success rate: 59.93%

Again Array Queries

Success rate: 41.04%

Problem Makes Problem

Solved by: 1288

Success rate: 49.15%

Birthday Paradox

Success rate: 49.61%

Solved by: 4148

Success rate: 77.76%

Solved by: 5107

Success rate: 38.81%

Success rate: 53.99%

Cricket Ranking

Success rate: 42.02%

Trailing Zeroes (III)

Solved by: 2815

Success rate: 53.59%

How Many Zeroes?

Solved by: 1140

Success rate: 71.84%

Success rate: 36.56%

Solved by: 1276

Success rate: 52.96%

Snakes and Ladders

Success rate: 61.61%

Success rate: 50.25%

Success rate: 52.15%

Counting Perfect BST

Success rate: 36.57%

The Vindictive Coach

Success rate: 51.93%

Josephus Problem

Success rate: 72.23%

Solved by: 1147

Success rate: 31.95%

Fantasy of a Summation

Success rate: 64.02%

Solved by: 4397

Success rate: 51.69%

Solved by: 1445

Success rate: 38.27%

Mysterious Bacteria

Success rate: 28.47%

One Unit Machine

Success rate: 70.38%

Harmonic Number

Solved by: 1136

Success rate: 45.80%

Pairs Forming LCM

Success rate: 41.40%

Harmonic Number (II)

Success rate: 73.28%

Success rate: 39.23%

Success rate: 77.88%