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: 3492

Success rate: 44.34%

Mathematically Hard

Solved by: 3043

Success rate: 26.03%

Fibsieve's Fantabulous Birthday

Solved by: 5984

Success rate: 43.45%

Knights on a Chessboard

Solved by: 5003

Success rate: 29.23%

Solved by: 2917

Success rate: 31.62%

A Childhood Game

Solved by: 2358

Success rate: 49.75%

Solved by: 1291

Success rate: 41.98%

A Dangerous Maze

Solved by: 1804

Success rate: 70.37%

Trailing Zeroes (I)

Solved by: 2323

Success rate: 23.57%

Discovering Gold

Solved by: 1520

Success rate: 55.43%

Intelligent Factorial Factorization

Solved by: 2761

Success rate: 62.34%

Race to 1 Again

Solved by: 1307

Success rate: 67.95%

Digits of Factorial

Solved by: 4387

Success rate: 55.05%

Efficient Pseudo Code

Solved by: 1475

Success rate: 29.78%

Parallelogram Counting

Success rate: 35.77%

Solved by: 2394

Success rate: 40.11%

How Many Points?

Solved by: 1488

Success rate: 46.46%

Integer Divisibility

Solved by: 2071

Success rate: 52.72%

Just another Robbery

Success rate: 43.89%

Trailing Zeroes (II)

Solved by: 1555

Success rate: 56.69%

Arrange the Numbers

Success rate: 50.95%

Solved by: 1093

Success rate: 59.99%

Again Array Queries

Success rate: 40.94%

Problem Makes Problem

Solved by: 1255

Success rate: 49.16%

Birthday Paradox

Success rate: 49.93%

Solved by: 4134

Success rate: 77.74%

Solved by: 5096

Success rate: 38.81%

Success rate: 53.99%

Cricket Ranking

Success rate: 41.83%

Trailing Zeroes (III)

Solved by: 2798

Success rate: 53.64%

How Many Zeroes?

Solved by: 1136

Success rate: 71.82%

Success rate: 36.55%

Solved by: 1273

Success rate: 52.93%

Snakes and Ladders

Success rate: 61.61%

Success rate: 49.96%

Success rate: 52.03%

Counting Perfect BST

Success rate: 36.47%

The Vindictive Coach

Success rate: 52.00%

Josephus Problem

Success rate: 72.23%

Solved by: 1139

Success rate: 31.89%

Fantasy of a Summation

Success rate: 64.06%

Solved by: 4378

Success rate: 51.69%

Solved by: 1443

Success rate: 38.24%

Mysterious Bacteria

Success rate: 28.49%

One Unit Machine

Success rate: 70.05%

Harmonic Number

Solved by: 1134

Success rate: 45.80%

Pairs Forming LCM

Success rate: 41.37%

Harmonic Number (II)

Success rate: 73.25%

Success rate: 39.23%

Success rate: 77.82%