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: 3566

Success rate: 44.46%

Mathematically Hard

Solved by: 3157

Success rate: 25.99%

Fibsieve's Fantabulous Birthday

Solved by: 6021

Success rate: 43.50%

Knights on a Chessboard

Solved by: 5038

Success rate: 29.23%

Solved by: 2970

Success rate: 31.74%

A Childhood Game

Solved by: 2377

Success rate: 49.86%

Solved by: 1303

Success rate: 42.02%

A Dangerous Maze

Solved by: 1817

Success rate: 70.32%

Trailing Zeroes (I)

Solved by: 2352

Success rate: 23.59%

Discovering Gold

Solved by: 1539

Success rate: 55.33%

Intelligent Factorial Factorization

Solved by: 2789

Success rate: 62.44%

Race to 1 Again

Solved by: 1317

Success rate: 67.89%

Digits of Factorial

Solved by: 4412

Success rate: 55.06%

Efficient Pseudo Code

Solved by: 1482

Success rate: 29.80%

Parallelogram Counting

Success rate: 35.61%

Solved by: 2439

Success rate: 40.24%

How Many Points?

Solved by: 1533

Success rate: 46.34%

Integer Divisibility

Solved by: 2092

Success rate: 52.69%

Just another Robbery

Success rate: 44.02%

Trailing Zeroes (II)

Solved by: 1568

Success rate: 56.72%

Arrange the Numbers

Success rate: 50.96%

Solved by: 1103

Success rate: 59.83%

Again Array Queries

Success rate: 41.03%

Problem Makes Problem

Solved by: 1331

Success rate: 49.09%

Birthday Paradox

Success rate: 49.36%

Solved by: 4166

Success rate: 77.80%

Solved by: 5120

Success rate: 38.83%

Success rate: 54.09%

Cricket Ranking

Success rate: 42.32%

Trailing Zeroes (III)

Solved by: 2830

Success rate: 53.70%

How Many Zeroes?

Solved by: 1144

Success rate: 71.86%

Success rate: 36.43%

Solved by: 1281

Success rate: 53.01%

Snakes and Ladders

Success rate: 61.79%

Success rate: 50.25%

Success rate: 52.25%

Counting Perfect BST

Success rate: 36.47%

The Vindictive Coach

Success rate: 51.74%

Josephus Problem

Success rate: 72.10%

Solved by: 1154

Success rate: 31.96%

Fantasy of a Summation

Success rate: 64.05%

Solved by: 4415

Success rate: 51.74%

Solved by: 1451

Success rate: 38.25%

Mysterious Bacteria

Success rate: 28.35%

One Unit Machine

Success rate: 70.31%

Harmonic Number

Solved by: 1138

Success rate: 45.81%

Pairs Forming LCM

Success rate: 41.41%

Harmonic Number (II)

Success rate: 73.34%

Success rate: 39.33%

Success rate: 77.82%