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: 3414

Success rate: 44.50%

Mathematically Hard

Solved by: 2902

Success rate: 26.32%

Fibsieve's Fantabulous Birthday

Solved by: 5906

Success rate: 43.41%

Knights on a Chessboard

Solved by: 4929

Success rate: 29.17%

Solved by: 2815

Success rate: 31.47%

A Childhood Game

Solved by: 2319

Success rate: 49.65%

Solved by: 1269

Success rate: 42.12%

A Dangerous Maze

Solved by: 1769

Success rate: 70.55%

Trailing Zeroes (I)

Solved by: 2252

Success rate: 23.34%

Discovering Gold

Solved by: 1489

Success rate: 55.75%

Intelligent Factorial Factorization

Solved by: 2673

Success rate: 62.05%

Race to 1 Again

Solved by: 1281

Success rate: 67.76%

Digits of Factorial

Solved by: 4306

Success rate: 54.92%

Efficient Pseudo Code

Solved by: 1445

Success rate: 29.62%

Parallelogram Counting

Success rate: 36.32%

Solved by: 2329

Success rate: 39.77%

How Many Points?

Solved by: 1413

Success rate: 46.51%

Integer Divisibility

Solved by: 2011

Success rate: 52.54%

Just another Robbery

Success rate: 43.68%

Trailing Zeroes (II)

Solved by: 1529

Success rate: 56.69%

Arrange the Numbers

Success rate: 50.77%

Solved by: 1073

Success rate: 60.34%

Again Array Queries

Success rate: 40.84%

Problem Makes Problem

Solved by: 1163

Success rate: 49.18%

Birthday Paradox

Success rate: 49.93%

Solved by: 4065

Success rate: 77.69%

Solved by: 5027

Success rate: 38.68%

Success rate: 53.66%

Cricket Ranking

Success rate: 42.10%

Trailing Zeroes (III)

Solved by: 2729

Success rate: 53.56%

How Many Zeroes?

Solved by: 1121

Success rate: 71.76%

Success rate: 36.28%

Solved by: 1254

Success rate: 52.69%

Snakes and Ladders

Success rate: 61.46%

Success rate: 49.74%

Success rate: 52.64%

Counting Perfect BST

Success rate: 36.57%

The Vindictive Coach

Success rate: 52.55%

Josephus Problem

Success rate: 72.38%

Solved by: 1130

Success rate: 31.94%

Fantasy of a Summation

Success rate: 63.95%

Solved by: 4276

Success rate: 51.52%

Solved by: 1413

Success rate: 38.36%

Mysterious Bacteria

Success rate: 28.19%

One Unit Machine

Success rate: 70.04%

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%