ADDED   SRM/591-U/1A.cpp
Index: SRM/591-U/1A.cpp
==================================================================
--- SRM/591-U/1A.cpp
+++ SRM/591-U/1A.cpp
@@ -0,0 +1,94 @@
+#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 LittleElephantAndBalls { public:
+	int getNumber(string S)
+	{
+		int score = 0;
+
+		char chars[]="RGB";
+
+		int left[128]={}, right[128]={};
+		for(char c : S)
+		{
+			for(char x: chars)
+				score += left[x]+right[x];
+			if(!left[c])
+				left[c]++;
+			else if (!right[c])
+				right[c]++;
+		}
+		return score;
+	}
+};
+
+// 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(_, LittleElephantAndBalls().getNumber(S));}
+int main(){
+
+CASE(0)
+	string S = "RGB"; 
+	int _ = 3; 
+END
+CASE(1)
+	string S = "RGGRBBB"; 
+	int _ = 21; 
+END
+CASE(2)
+	string S = "RRRGBRR"; 
+	int _ = 16; 
+END
+CASE(3)
+	string S = "RRRR"; 
+	int _ = 5; 
+END
+CASE(4)
+	string S = "GGRRRGR"; 
+	int _ = 18; 
+END
+CASE(5)
+	string S = "G"; 
+	int _ = 0; 
+END
+/*
+CASE(6)
+	string S = ; 
+	int _ = ; 
+END
+CASE(7)
+	string S = ; 
+	int _ = ; 
+END
+*/
+}
+// END CUT HERE