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: 3567

Success rate: 44.45%

Mathematically Hard

Solved by: 3161

Success rate: 25.99%

Fibsieve's Fantabulous Birthday

Solved by: 6025

Success rate: 43.50%

Knights on a Chessboard

Solved by: 5040

Success rate: 29.24%

Solved by: 2973

Success rate: 31.75%

A Childhood Game

Solved by: 2381

Success rate: 49.89%

Solved by: 1305

Success rate: 42.03%

A Dangerous Maze

Solved by: 1819

Success rate: 70.27%

Trailing Zeroes (I)

Solved by: 2352

Success rate: 23.58%

Discovering Gold

Solved by: 1540

Success rate: 55.32%

Intelligent Factorial Factorization

Solved by: 2792

Success rate: 62.45%

Race to 1 Again

Solved by: 1318

Success rate: 67.87%

Digits of Factorial

Solved by: 4413

Success rate: 55.06%

Efficient Pseudo Code

Solved by: 1483

Success rate: 29.80%

Parallelogram Counting

Success rate: 35.62%

Solved by: 2441

Success rate: 40.25%

How Many Points?

Solved by: 1537

Success rate: 46.37%

Integer Divisibility

Solved by: 2092

Success rate: 52.69%

Just another Robbery

Success rate: 44.02%

Trailing Zeroes (II)

Solved by: 1569

Success rate: 56.73%

Arrange the Numbers

Success rate: 51.01%

Solved by: 1104

Success rate: 59.82%

Again Array Queries

Success rate: 40.95%

Problem Makes Problem

Solved by: 1334

Success rate: 49.08%

Birthday Paradox

Success rate: 49.32%

Solved by: 4169

Success rate: 77.80%

Solved by: 5123

Success rate: 38.84%

Success rate: 54.11%

Cricket Ranking

Success rate: 42.29%

Trailing Zeroes (III)

Solved by: 2831

Success rate: 53.70%

How Many Zeroes?

Solved by: 1144

Success rate: 71.86%

Success rate: 36.43%

Solved by: 1281

Success rate: 53.01%

Snakes and Ladders

Success rate: 61.79%

Success rate: 50.25%

Success rate: 52.25%

Counting Perfect BST

Success rate: 36.48%

The Vindictive Coach

Success rate: 51.67%

Josephus Problem

Success rate: 72.14%

Solved by: 1154

Success rate: 31.96%

Fantasy of a Summation

Success rate: 64.05%

Solved by: 4417

Success rate: 51.75%

Solved by: 1451

Success rate: 38.25%

Mysterious Bacteria

Success rate: 28.35%

One Unit Machine

Success rate: 70.27%

Harmonic Number

Solved by: 1138

Success rate: 45.81%

Pairs Forming LCM

Success rate: 41.41%

Harmonic Number (II)

Success rate: 73.34%

Success rate: 39.33%

Success rate: 77.77%