Create 252A - Little Xor.cpp

Author: fuwutu

252A - Little Xor.cpp

@@ -0,0 +1,27 @@
+//4304419	 Aug 17, 2013 7:55:55 PM	fuwutu	 252A - Little Xor	 GNU C++0x	Accepted	30 ms	0 KB
+#include <cstdio>
+
+int main()
+{
+    int n, a, x[101] = {0};
+    scanf("%d", &n);
+    for (int i = 1; i <= n; ++i)
+    {
+        scanf("%d", &a);
+        x[i] = x[i-1] ^ a;
+    }
+    int maximal = 0;
+    for (int i = 0; i < n; ++i)
+    {
+        for (int j = i + 1; j <= n; ++j)
+        {
+            int xx = x[i] ^ x[j];
+            if (xx > maximal)
+            {
+                maximal = xx;
+            }
+        }
+    }
+    printf("%d\n", maximal);
+    return 0;
+}