Data commit

Task/Greatest-subsequential-sum/Go/greatest-subsequential-sum.go

@@ -0,0 +1,36 @@
+package main
+
+import "fmt"
+
+func gss(s []int) ([]int, int) {
+    var best, start, end, sum, sumStart int
+    for i, x := range s {
+        sum += x
+        switch {
+        case sum > best:
+            best = sum
+            start = sumStart
+            end = i + 1
+        case sum < 0:
+            sum = 0
+            sumStart = i + 1
+        }
+    }
+    return s[start:end], best
+}
+
+var testCases = [][]int{
+    {-1, -2, 3, 5, 6, -2, -1, 4, -4, 2, -1},
+    {-1, 1, 2, -5, -6},
+    {},
+    {-1, -2, -1},
+}
+
+func main() {
+    for _, c := range testCases {
+        fmt.Println("Input:  ", c)
+        subSeq, sum := gss(c)
+        fmt.Println("Sub seq:", subSeq)
+        fmt.Println("Sum:    ", sum, "\n")
+    }
+}