1 files changed, 0 insertions, 17 deletions
diff --git a/string/rollingHashCf.cpp b/string/rollingHashCf.cpp
deleted file mode 100644
index b055b29..0000000
--- a/string/rollingHashCf.cpp
+++ /dev/null
@@ -1,17 +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
-struct Hasher {
-	vector<ll> power = {1}, pref = {0};
-	ll m, q; char c;
-	Hasher(const string& s, ll m, ll q, char c) :
-	       m(m), q(q), c(c) {
-		for (char x : s) {
-			power.push_back(power.back() * q % m);
-			pref.push_back((pref.back() * q % m + (x - c)) % m);
-	}}
-
-	ll hash(int l, int r) {	 // Berechnet hash(s[l..r)).
-		return (pref[r] - power[r-l] * pref[l] % m + m) % m;
-	}
-};