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core.go
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core.go
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package camp
import (
"errors"
)
func Generate(w, h int) (Core, error) {
if w > maxSideSize || h > maxSideSize {
return Core{}, errors.New(tooLargeFieldSize)
}
if w < minSideSize || h < minSideSize {
return Core{}, errors.New(tooSmallFieldSize)
}
trees := calcTreesCount(w, h)
field := generateField(w, h, trees)
rowTents, columnTents := countTents(field)
task := hideTents(field)
return Core{w, h, trees, rowTents, columnTents, task, field}, nil
}
func Verify(field [][]int, rowTents, columnTents []int) (VerifyResult, error) {
if len(field) < minSideSize || len(field[0]) < minSideSize {
return VerifyResult{}, errors.New(tooSmallFieldSize)
}
if len(field) > maxSideSize || len(field[0]) > maxSideSize {
return VerifyResult{}, errors.New(tooLargeFieldSize)
}
if len(field) != len(rowTents) {
return VerifyResult{}, errors.New(incorrectRowTents)
}
if len(field[0]) != len(columnTents) {
return VerifyResult{}, errors.New(incorrectColumnTents)
}
result := verifyTask(field, rowTents, columnTents)
return result, nil
}