all tasks

Task/Text-processing-Max-licenses-in-use/Go/text-processing-max-licenses-in-use.go

@@ -0,0 +1,60 @@
+package main
+
+import (
+    "bufio"
+    "fmt"
+    "io"
+    "os"
+    "bytes"
+)
+
+var fn = "mlijobs.txt"
+
+func main() {
+    f, err := os.Open(fn)
+    if err != nil {
+        fmt.Println(err)
+        return
+    }
+    defer f.Close()
+    var ml, out int
+    var mlTimes []string
+    in := []byte("IN")
+    for lr := bufio.NewReader(f); ; {
+        line, pref, err := lr.ReadLine()
+        if err == io.EOF {
+            break
+        }
+        if err != nil {
+            fmt.Println(err)
+            return
+        }
+        if pref {
+            fmt.Println("Unexpected long line.")
+            return
+        }
+        f := bytes.Fields(line)
+        if len(f) != 7 {
+            fmt.Println("unexpected format,", len(f), "fields.")
+            return
+        }
+        if bytes.Equal(f[1], in) {
+            out--
+            continue
+        }
+        out++
+        if out == ml {
+            mlTimes = append(mlTimes, string(f[3]))
+            continue
+        }
+        if out > ml {
+            ml = out
+            mlTimes = append(mlTimes[:0], string(f[3]))
+        }
+    }
+    fmt.Println("max licenses:", ml)
+    fmt.Println("at:")
+    for _, t := range mlTimes {
+        fmt.Println(" ", t)
+    }
+}