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: 3428

Success rate: 44.46%

Mathematically Hard

Solved by: 2923

Success rate: 26.35%

Fibsieve's Fantabulous Birthday

Solved by: 5930

Success rate: 43.45%

Knights on a Chessboard

Solved by: 4947

Success rate: 29.16%

Solved by: 2840

Success rate: 31.51%

A Childhood Game

Solved by: 2329

Success rate: 49.59%

Solved by: 1272

Success rate: 42.07%

A Dangerous Maze

Solved by: 1778

Success rate: 70.63%

Trailing Zeroes (I)

Solved by: 2267

Success rate: 23.37%

Discovering Gold

Solved by: 1493

Success rate: 55.48%

Intelligent Factorial Factorization

Solved by: 2697

Success rate: 62.10%

Race to 1 Again

Solved by: 1283

Success rate: 67.78%

Digits of Factorial

Solved by: 4325

Success rate: 54.91%

Efficient Pseudo Code

Solved by: 1447

Success rate: 29.62%

Parallelogram Counting

Success rate: 36.32%

Solved by: 2344

Success rate: 39.83%

How Many Points?

Solved by: 1427

Success rate: 46.49%

Integer Divisibility

Solved by: 2022

Success rate: 52.53%

Just another Robbery

Success rate: 43.72%

Trailing Zeroes (II)

Solved by: 1537

Success rate: 56.67%

Arrange the Numbers

Success rate: 50.84%

Solved by: 1077

Success rate: 60.36%

Again Array Queries

Success rate: 40.92%

Problem Makes Problem

Solved by: 1185

Success rate: 49.23%

Birthday Paradox

Success rate: 49.84%

Solved by: 4083

Success rate: 77.75%

Solved by: 5041

Success rate: 38.68%

Success rate: 53.69%

Cricket Ranking

Success rate: 42.06%

Trailing Zeroes (III)

Solved by: 2747

Success rate: 53.61%

How Many Zeroes?

Solved by: 1123

Success rate: 71.79%

Success rate: 36.28%

Solved by: 1257

Success rate: 52.76%

Snakes and Ladders

Success rate: 61.56%

Success rate: 49.78%

Success rate: 52.67%

Counting Perfect BST

Success rate: 36.61%

The Vindictive Coach

Success rate: 52.21%

Josephus Problem

Success rate: 72.21%

Solved by: 1132

Success rate: 31.91%

Fantasy of a Summation

Success rate: 63.95%

Solved by: 4294

Success rate: 51.52%

Solved by: 1424

Success rate: 38.39%

Mysterious Bacteria

Success rate: 28.18%

One Unit Machine

Success rate: 70.07%

Harmonic Number

Solved by: 1120

Success rate: 45.81%

Pairs Forming LCM

Success rate: 41.48%

Harmonic Number (II)

Success rate: 73.12%

Success rate: 39.59%

Success rate: 77.93%

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