You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
32 lines
620 B
Go
32 lines
620 B
Go
package numerical
|
|
|
|
import (
|
|
"fmt"
|
|
)
|
|
|
|
/* O(n) solution for calculating maximum subarray sum. */
|
|
func Max(x int, y int) int {
|
|
if x < y {
|
|
return y
|
|
}
|
|
return x
|
|
}
|
|
|
|
func maxSubarray(array []int) int {
|
|
var currentMax int = 0
|
|
var maxTillNow int = 0
|
|
for _, v := range array {
|
|
currentMax = Max(v, currentMax+v)
|
|
maxTillNow = Max(maxTillNow, currentMax)
|
|
}
|
|
return maxTillNow
|
|
}
|
|
|
|
func main() {
|
|
array := []int{-3, -4, 7, 1, -2, 0, -5, 1, 0, 6, -5}
|
|
fmt.Println("Maximum subarray sum: ", maxSubarray(array))
|
|
|
|
array = []int{3, 4, -7, 2, 0, 0, -3, -1, 0, -5, 7}
|
|
fmt.Println("Maximum subarray sum: ", maxSubarray(array))
|
|
}
|