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: 3524

Success rate: 44.31%

Mathematically Hard

Solved by: 3087

Success rate: 26.02%

Fibsieve's Fantabulous Birthday

Solved by: 5996

Success rate: 43.47%

Knights on a Chessboard

Solved by: 5014

Success rate: 29.23%

Solved by: 2939

Success rate: 31.69%

A Childhood Game

Solved by: 2363

Success rate: 49.80%

Solved by: 1296

Success rate: 42.01%

A Dangerous Maze

Solved by: 1808

Success rate: 70.28%

Trailing Zeroes (I)

Solved by: 2335

Success rate: 23.58%

Discovering Gold

Solved by: 1525

Success rate: 55.53%

Intelligent Factorial Factorization

Solved by: 2771

Success rate: 62.30%

Race to 1 Again

Solved by: 1310

Success rate: 67.91%

Digits of Factorial

Solved by: 4397

Success rate: 55.07%

Efficient Pseudo Code

Solved by: 1477

Success rate: 29.75%

Parallelogram Counting

Success rate: 35.76%

Solved by: 2415

Success rate: 40.19%

How Many Points?

Solved by: 1509

Success rate: 46.35%

Integer Divisibility

Solved by: 2076

Success rate: 52.74%

Just another Robbery

Success rate: 43.90%

Trailing Zeroes (II)

Solved by: 1558

Success rate: 56.66%

Arrange the Numbers

Success rate: 50.88%

Solved by: 1096

Success rate: 59.92%

Again Array Queries

Success rate: 40.97%

Problem Makes Problem

Solved by: 1286

Success rate: 49.14%

Birthday Paradox

Success rate: 50.00%

Solved by: 4143

Success rate: 77.74%

Solved by: 5106

Success rate: 38.82%

Success rate: 54.03%

Cricket Ranking

Success rate: 41.86%

Trailing Zeroes (III)

Solved by: 2813

Success rate: 53.58%

How Many Zeroes?

Solved by: 1139

Success rate: 71.83%

Success rate: 36.51%

Solved by: 1276

Success rate: 52.96%

Snakes and Ladders

Success rate: 61.61%

Success rate: 50.00%

Success rate: 52.12%

Counting Perfect BST

Success rate: 36.57%

The Vindictive Coach

Success rate: 51.87%

Josephus Problem

Success rate: 72.19%

Solved by: 1146

Success rate: 31.93%

Fantasy of a Summation

Success rate: 64.04%

Solved by: 4392

Success rate: 51.67%

Solved by: 1444

Success rate: 38.26%

Mysterious Bacteria

Success rate: 28.47%

One Unit Machine

Success rate: 70.32%

Harmonic Number

Solved by: 1135

Success rate: 45.82%

Pairs Forming LCM

Success rate: 41.40%

Harmonic Number (II)

Success rate: 73.27%

Success rate: 39.23%

Success rate: 77.84%