diff --git a/leetcode/0495.Teemo-Attacking/495.Teemo Attacking.go b/leetcode/0495.Teemo-Attacking/495.Teemo Attacking.go
new file mode 100644
index 00000000..4da646d9
--- /dev/null
+++ b/leetcode/0495.Teemo-Attacking/495.Teemo Attacking.go	
@@ -0,0 +1,16 @@
+package leetcode
+
+func findPoisonedDuration(timeSeries []int, duration int) int {
+	var ans int
+	for i := 1; i < len(timeSeries); i++ {
+		t := timeSeries[i-1]
+		end := t + duration - 1
+		if end < timeSeries[i] {
+			ans += duration
+		} else {
+			ans += timeSeries[i] - t
+		}
+	}
+	ans += duration
+	return ans
+}