tasks a-s

Task/Remove-duplicate-elements/Go/remove-duplicate-elements-3.go

@@ -0,0 +1,35 @@
+package main
+
+import (
+    "fmt"
+    "math"
+)
+
+func uniq(list []float64) []float64 {
+    unique_set := map[float64]int{}
+    i := 0
+    nan := false
+    for _, x := range list {
+        if _, exists := unique_set[x]; exists {
+            continue
+        }
+        if math.IsNaN(x) {
+            if nan {
+                continue
+            } else {
+                nan = true
+            }
+        }
+        unique_set[x] = i
+        i++
+    }
+    result := make([]float64, len(unique_set))
+    for x, i := range unique_set {
+        result[i] = x
+    }
+    return result
+}
+
+func main() {
+    fmt.Println(uniq([]float64{1, 2, math.NaN(), 2, math.NaN(), 4}))
+}