Initial Commit

.gitignore

@@ -0,0 +1,2 @@
+p1.1/p1.1
+p1.2/p1.2

p1.1/main.go

@@ -0,0 +1,43 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"strconv"
+)
+
+func main() {
+	if len(os.Args) < 4 {
+		fmt.Println("Usage: p1.1 x y z")
+		os.Exit(1)
+	}
+
+	x, y, z := atoi(os.Args[1]), atoi(os.Args[2]), atoi(os.Args[3])
+	i, v1, v2 := 1, x, x-y
+	fmt.Println(z, v1, v2)
+	for i = 1; ; i = i + 2 {
+		if z == v1 {
+			done(i)
+		} else if z == v2 {
+			done(i + 1)
+		} else if z < v1 && z < v2 {
+			done(-1)
+		}
+		v1 = v1 + x - y
+		v2 = v2 + x - y
+	}
+}
+
+func done(v int) {
+	fmt.Println(v)
+	os.Exit(0)
+}
+
+func atoi(v string) int {
+	i, err := strconv.Atoi(v)
+	if err != nil {
+		log.Fatal("Invalid integer given: " + v)
+	}
+	return i
+}

p1.2/main.go

@@ -0,0 +1,53 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"strconv"
+)
+
+func main() {
+	if len(os.Args) < 3 {
+		log.Fatal("Usage: p1.2 length list...")
+	}
+	length := atoi(os.Args[1])
+	var list []int
+	var top, topIdx, numTop int
+	for idx, v := range os.Args[2:] {
+		wrk := atoi(v)
+		list = append(list, wrk)
+		if wrk == top {
+			numTop++
+			if numTop <= 3 {
+				topIdx = idx
+			}
+		} else if wrk > top {
+			top = wrk
+			numTop = 1
+			topIdx = idx
+		}
+		if len(list) == length {
+			break
+		}
+	}
+	for idx, v := range list {
+		if idx != topIdx {
+			fmt.Print(v, " ")
+		}
+	}
+	fmt.Print("\n")
+}
+
+func done(v int) {
+	fmt.Println(v)
+	os.Exit(0)
+}
+
+func atoi(v string) int {
+	i, err := strconv.Atoi(v)
+	if err != nil {
+		log.Fatal("Invalid integer given: " + v)
+	}
+	return i
+}