1 files changed, 0 insertions, 16 deletions
diff --git a/string/rollingHash.cpp b/string/rollingHash.cpp
deleted file mode 100644
index 00e2273..0000000
--- a/string/rollingHash.cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-// q = 29, 53, 101, 257, 1009, 65'537
-// or choose q random from [sigma, m)
-// m = 1'500'000'001, 1'600'000'009, 1'700'000'009
-template<ll M, ll Q>
-struct Hasher {
-	vector<ll> power = {1}, pref = {0};
-	Hasher(const string& s) {
-		for (auto x : s) {
-			power.push_back(power.back() * Q % M);
-			pref.push_back((pref.back() * Q % M + x) % M);
-	}}
-
-	ll hash(int l, int r) {	// Berechnet hash(s[l..r)).
-		return (pref[r] - power[r-l] * pref[l] % M + M) % M;
-	}
-};