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: 3434

Success rate: 44.41%

Mathematically Hard

Solved by: 2940

Success rate: 26.27%

Fibsieve's Fantabulous Birthday

Solved by: 5937

Success rate: 43.45%

Knights on a Chessboard

Solved by: 4956

Success rate: 29.17%

Solved by: 2858

Success rate: 31.48%

A Childhood Game

Solved by: 2333

Success rate: 49.62%

Solved by: 1276

Success rate: 42.06%

A Dangerous Maze

Solved by: 1780

Success rate: 70.65%

Trailing Zeroes (I)

Solved by: 2272

Success rate: 23.39%

Discovering Gold

Solved by: 1494

Success rate: 55.45%

Intelligent Factorial Factorization

Solved by: 2715

Success rate: 62.21%

Race to 1 Again

Solved by: 1283

Success rate: 67.78%

Digits of Factorial

Solved by: 4333

Success rate: 54.93%

Efficient Pseudo Code

Solved by: 1457

Success rate: 29.64%

Parallelogram Counting

Success rate: 36.25%

Solved by: 2349

Success rate: 39.86%

How Many Points?

Solved by: 1441

Success rate: 46.36%

Integer Divisibility

Solved by: 2029

Success rate: 52.55%

Just another Robbery

Success rate: 43.71%

Trailing Zeroes (II)

Solved by: 1538

Success rate: 56.70%

Arrange the Numbers

Success rate: 50.79%

Solved by: 1077

Success rate: 60.23%

Again Array Queries

Success rate: 40.90%

Problem Makes Problem

Solved by: 1193

Success rate: 49.30%

Birthday Paradox

Success rate: 49.84%

Solved by: 4088

Success rate: 77.74%

Solved by: 5047

Success rate: 38.70%

Success rate: 53.69%

Cricket Ranking

Success rate: 42.06%

Trailing Zeroes (III)

Solved by: 2752

Success rate: 53.64%

How Many Zeroes?

Solved by: 1124

Success rate: 71.80%

Success rate: 36.28%

Solved by: 1259

Success rate: 52.76%

Snakes and Ladders

Success rate: 61.56%

Success rate: 49.78%

Success rate: 52.67%

Counting Perfect BST

Success rate: 36.59%

The Vindictive Coach

Success rate: 52.14%

Josephus Problem

Success rate: 72.23%

Solved by: 1133

Success rate: 31.90%

Fantasy of a Summation

Success rate: 63.95%

Solved by: 4303

Success rate: 51.57%

Solved by: 1424

Success rate: 38.39%

Mysterious Bacteria

Success rate: 28.18%

One Unit Machine

Success rate: 70.03%

Harmonic Number

Solved by: 1121

Success rate: 45.82%

Pairs Forming LCM

Success rate: 41.37%

Harmonic Number (II)

Success rate: 73.12%

Success rate: 39.22%

Success rate: 77.93%