removed QWQNG, added stdin

RandTest/QuickLfsrCorrector.hpp

@@ -0,0 +1,49 @@
+#pragma once
+
+template <class T>
+class QuickLfsrCorrector {
+public:
+    QuickLfsrCorrector() {
+        T initVal = -1;
+        T deltaVal = initVal / 11;
+        for (int i=0; i<15; i++) {
+            lfsr[i] = initVal;
+            initVal -= deltaVal;
+        }
+
+        inPointer = 0;
+        tab3 = initVal;
+        initVal -= deltaVal;
+        tab5 = initVal;
+        initVal -= deltaVal;
+        tab7 = initVal;
+    }
+
+    T Correct(T inVal) {
+        inVal ^= tab3 ^ tab5 ^ tab7;
+        
+        inPointer--;
+        if (inPointer<0)
+            inPointer = 14;
+        lfsr[inPointer] = inVal;
+
+        int tabPointer = inPointer + 3;
+        tabPointer %= 15;
+        tab3 ^= lfsr[tabPointer];
+        tabPointer += 5;
+        tabPointer %= 15;
+        tab5 ^= lfsr[tabPointer];
+        tabPointer += 7;
+        tabPointer %= 15;
+        tab7 ^= lfsr[tabPointer];
+
+        return inVal;
+    }
+
+private:
+    T lfsr[15];
+    T tab3;
+    T tab5;
+    T tab7;
+    int inPointer;
+};