add new solutions

solutions/7/q735/solution.go

@@ -0,0 +1,23 @@
+package q735
+
+func asteroidCollision(asteroids []int) []int {
+	p := 0
+	for _, a := range asteroids {
+		if a < 0 {
+			for p > 0 && asteroids[p-1] > 0 && asteroids[p-1] < -a {
+				p--
+			}
+			if p > 0 && asteroids[p-1] > 0 {
+				if asteroids[p-1] == -a {
+					p--
+				}
+				continue // explode
+			}
+		}
+		asteroids[p] = a
+		p++
+	}
+	return asteroids[:p]
+}
+
+var _ = asteroidCollision