add new solutions

solutions/12/q1226/solution.go

@@ -0,0 +1,20 @@
+package q1226
+
+func abs(i int) int {
+	if i < 0 {
+		return -i
+	}
+	return i
+}
+
+func minTimeToVisitAllPoints(points [][]int) int {
+	time := 0
+	for i := 0; i < len(points)-1; i++ {
+		cur, next := points[i], points[i+1]
+		dx, dy := abs(cur[0]-next[0]), abs(cur[1]-next[1])
+		time += max(dx, dy)
+	}
+	return time
+}
+
+var _ = minTimeToVisitAllPoints