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array-included's Introduction

array-included

isIncluded - функция поиска вхождения упорядоченного массива в упорядоченному массиве

Сложность поиска по времени составляет O(log(N)+M) Для исключительных ситуаций, не более O(N)

В ТЗ не было указало что элементы уникальные, поэтому проверил кейс с повторяющимеся элементами

Specification

Дан упорядоченный массив чисел размером N Нужно реализовать алгоритм поиска вхождения упорядоченного подмассива размера M, где M << N

func isInclude(array int[], subarray []int) bool

assert(isInclude([1, 2, 3, 5, 7, 9, 11], []) == true) 
assert(isInclude([1, 2, 3, 5, 7, 9, 11], [3, 5, 7]) == true) 
assert(isInclude([1, 2, 3, 5, 7, 9, 11], [4, 5, 7]) == false) 

Что хочется увидеть:

  1. Алгоритм со сложность быстрее чем O(N) по времени

Build

    go build include.go

Test

    go test
    go test --race

Lint

    golangci-lint run -v --enable-all

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