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: 3463

Success rate: 44.37%

Mathematically Hard

Solved by: 2984

Success rate: 26.26%

Fibsieve's Fantabulous Birthday

Solved by: 5957

Success rate: 43.42%

Knights on a Chessboard

Solved by: 4981

Success rate: 29.22%

Solved by: 2876

Success rate: 31.54%

A Childhood Game

Solved by: 2349

Success rate: 49.67%

Solved by: 1282

Success rate: 42.00%

A Dangerous Maze

Solved by: 1792

Success rate: 70.64%

Trailing Zeroes (I)

Solved by: 2290

Success rate: 23.43%

Discovering Gold

Solved by: 1504

Success rate: 55.34%

Intelligent Factorial Factorization

Solved by: 2732

Success rate: 62.25%

Race to 1 Again

Solved by: 1287

Success rate: 67.85%

Digits of Factorial

Solved by: 4355

Success rate: 54.96%

Efficient Pseudo Code

Solved by: 1464

Success rate: 29.66%

Parallelogram Counting

Success rate: 36.18%

Solved by: 2370

Success rate: 40.00%

How Many Points?

Solved by: 1468

Success rate: 46.46%

Integer Divisibility

Solved by: 2050

Success rate: 52.62%

Just another Robbery

Success rate: 43.88%

Trailing Zeroes (II)

Solved by: 1551

Success rate: 56.71%

Arrange the Numbers

Success rate: 50.91%

Solved by: 1086

Success rate: 60.14%

Again Array Queries

Success rate: 40.92%

Problem Makes Problem

Solved by: 1212

Success rate: 49.29%

Birthday Paradox

Success rate: 49.86%

Solved by: 4104

Success rate: 77.76%

Solved by: 5064

Success rate: 38.72%

Success rate: 53.93%

Cricket Ranking

Success rate: 41.97%

Trailing Zeroes (III)

Solved by: 2768

Success rate: 53.63%

How Many Zeroes?

Solved by: 1129

Success rate: 71.80%

Success rate: 36.49%

Solved by: 1266

Success rate: 52.85%

Snakes and Ladders

Success rate: 61.56%

Success rate: 49.82%

Success rate: 52.66%

Counting Perfect BST

Success rate: 36.54%

The Vindictive Coach

Success rate: 52.14%

Josephus Problem

Success rate: 72.23%

Solved by: 1137

Success rate: 31.92%

Fantasy of a Summation

Success rate: 64.03%

Solved by: 4330

Success rate: 51.57%

Solved by: 1432

Success rate: 38.33%

Mysterious Bacteria

Success rate: 28.52%

One Unit Machine

Success rate: 70.06%

Harmonic Number

Solved by: 1128

Success rate: 45.86%

Pairs Forming LCM

Success rate: 41.28%

Harmonic Number (II)

Success rate: 73.21%

Success rate: 39.25%

Success rate: 77.66%