add new solutions

solutions/17/q1758/solution.go

@@ -0,0 +1,19 @@
+// Package q1758 implements a solution for https://leetcode.com/problems/minimum-changes-to-make-alternating-binary-string/
+package q1758
+
+func minOperations(s string) int {
+	a, b := 0, 0
+	var alt byte = 1
+
+	for i := range len(s) {
+		if s[i]-'0' == alt {
+			a++
+		} else {
+			b++
+		}
+		alt = alt ^ 1
+	}
+	return min(a, b)
+}
+
+var _ = minOperations