Add solution 0368、0377、0696

leetcode/0696.Count-Binary-Substrings/696. Count Binary Substrings.go

@@ -0,0 +1,21 @@
+package leetcode
+
+func countBinarySubstrings(s string) int {
+	last, res := 0, 0
+	for i := 0; i < len(s); {
+		c, count := s[i], 1
+		for i++; i < len(s) && s[i] == c; i++ {
+			count++
+		}
+		res += min(count, last)
+		last = count
+	}
+	return res
+}
+
+func min(a, b int) int {
+	if a < b {
+		return a
+	}
+	return b
+}