1 files changed, 10 insertions, 0 deletions
diff --git a/content/string/z.cpp b/content/string/z.cpp
new file mode 100644
index 0000000..069fa38
--- /dev/null
+++ b/content/string/z.cpp
@@ -0,0 +1,10 @@
+vector<int> Z(const string& s) {
+	int n = sz(s);
+	vector<int> z(n);
+	for (int i = 1, x = 0; i < n; i++) {
+		z[i] = max(0, min(z[i - x], x + z[x] - i));
+		while (i + z[i] < n && s[z[i]] == s[i + z[i]]) {
+			x = i, z[i]++;
+	}}
+	return z;
+}