ADDED   SRM/694-U/1A.cpp
Index: SRM/694-U/1A.cpp
==================================================================
--- SRM/694-U/1A.cpp
+++ SRM/694-U/1A.cpp
@@ -0,0 +1,100 @@
+#include <iostream>
+#include <sstream>
+#include <iomanip>
+#include <vector>
+#include <string>
+#include <map>
+#include <set>
+#include <algorithm>
+#include <numeric>
+#include <iterator>
+#include <functional>
+#include <complex>
+#include <queue>
+#include <stack>
+#include <cmath>
+#include <cassert>
+#include <tuple>
+using namespace std;
+typedef long long LL;
+typedef complex<double> CMP;
+
+class TrySail { public:
+	int get(vector <int> strength)
+	{
+		vector<bool> possible(65536, false);
+		possible[0] = true;
+		for(int s: strength) {
+			vector<bool> p2 = possible;
+			for(int a=0; a<256; ++a)
+			for(int b=0; b<256; ++b) if(possible[a*256+b])
+				p2[(a^s)*256+b] = p2[a*256+(b^s)] = true;
+			possible.swap(p2);
+		}
+
+		int all = 0;
+		for(int s: strength) all ^= s;
+
+		int best = 0;
+		for(int a=0; a<256; ++a)
+		for(int b=0; b<256; ++b) if(possible[a*256+b])
+			best = max(best, a+b+(all^a^b));
+		return best;
+	}
+};
+
+// BEGIN CUT HERE
+#include <ctime>
+double start_time; string timer()
+ { ostringstream os; os << " (" << int((clock()-start_time)/CLOCKS_PER_SEC*1000) << " msec)"; return os.str(); }
+template<typename T> ostream& operator<<(ostream& os, const vector<T>& v)
+ { os << "{ ";
+   for(typename vector<T>::const_iterator it=v.begin(); it!=v.end(); ++it)
+   os << '\"' << *it << '\"' << (it+1==v.end() ? "" : ", "); os << " }"; return os; }
+void verify_case(const int& Expected, const int& Received) {
+ bool ok = (Expected == Received);
+ if(ok) cerr << "PASSED" << timer() << endl;  else { cerr << "FAILED" << timer() << endl;
+ cerr << "\to: \"" << Expected << '\"' << endl << "\tx: \"" << Received << '\"' << endl; } }
+#define CASE(N) {cerr << "Test Case #" << N << "..." << flush; start_time=clock();
+#define END	 verify_case(_, TrySail().get(strength));}
+int main(){
+
+CASE(0)
+	int strength_[] = {2,3,3};
+	  vector <int> strength(strength_, strength_+sizeof(strength_)/sizeof(*strength_)); 
+	int _ = 8; 
+END
+CASE(1)
+	int strength_[] = {7,3,5,2};
+	  vector <int> strength(strength_, strength_+sizeof(strength_)/sizeof(*strength_)); 
+	int _ = 17; 
+END
+CASE(2)
+	int strength_[] = {13,13,13,13,13,13,13,13};
+	  vector <int> strength(strength_, strength_+sizeof(strength_)/sizeof(*strength_)); 
+	int _ = 26; 
+END
+CASE(3)
+	int strength_[] = {114,51,4,191,9,81,0,89,3};
+	  vector <int> strength(strength_, strength_+sizeof(strength_)/sizeof(*strength_)); 
+	int _ = 470; 
+END
+CASE(4)
+	int strength_[] = {108,66,45,82,163,30,83,244,200,216,241,249,89,128,36,28,250,190,70,95,117,196,19,160,255,129,10,109,189,24,22,25,134,144,110,15,235,205,186,103,116,191,119,183,45,217,156,44,97,197};
+	  vector <int> strength(strength_, strength_+sizeof(strength_)/sizeof(*strength_)); 
+	int _ = 567; 
+END
+/*
+CASE(5)
+	int strength_[] = ;
+	  vector <int> strength(strength_, strength_+sizeof(strength_)/sizeof(*strength_)); 
+	int _ = ; 
+END
+CASE(6)
+	int strength_[] = ;
+	  vector <int> strength(strength_, strength_+sizeof(strength_)/sizeof(*strength_)); 
+	int _ = ; 
+END
+*/
+}
+// END CUT HERE

ADDED   SRM/694-U/1B.cpp
Index: SRM/694-U/1B.cpp
==================================================================
--- SRM/694-U/1B.cpp
+++ SRM/694-U/1B.cpp
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