Artifact 2990a35eb58be62ae1416f0974ab2aa41cbe468a
#include <iostream>
#include <sstream>
#include <iomanip>
#include <vector>
#include <string>
#include <map>
#include <set>
#include <algorithm>
#include <numeric>
#include <iterator>
#include <complex>
#include <queue>
#include <stack>
#include <cmath>
#include <cassert>
using namespace std;
typedef long long LL;
class BitwiseEquations
{
public:
long long kthPlusOrSolution(int x, int k)
{
LL y = 0;
for(LL i=1; k; i<<=1)
if( !(x&i) )
y |= (k&1)*i, k>>=1;
return y;
}
};
// 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> string print_array(const vector<T> &V) { ostringstream os; os << "{ "; for (typename vector<T>::const_iterator iter = V.begin(); iter != V.end(); ++iter) os << '\"' << *iter << "\","; os << " }"; return os.str(); }
int verify_case(const long long &Expected, const long long &Received) { if (Expected == Received) cerr << "PASSED" << timer() << endl; else { cerr << "FAILED" << timer() << endl; cerr << "\tExpected: \"" << Expected << '\"' << endl; cerr << "\tReceived: \"" << Received << '\"' << endl; } return 0;}
template<int N> struct Case_ { Case_(){start_time=clock();} };
char Test_(...);
int Test_(Case_<0>) {
int x = 5;
int k = 1;
long long RetVal = 2LL;
return verify_case(RetVal, BitwiseEquations().kthPlusOrSolution(x, k)); }
int Test_(Case_<1>) {
int x = 5;
int k = 5;
long long RetVal = 18LL;
return verify_case(RetVal, BitwiseEquations().kthPlusOrSolution(x, k)); }
int Test_(Case_<2>) {
int x = 10;
int k = 3;
long long RetVal = 5LL;
return verify_case(RetVal, BitwiseEquations().kthPlusOrSolution(x, k)); }
int Test_(Case_<3>) {
int x = 1;
int k = 1000000000;
long long RetVal = 2000000000LL;
return verify_case(RetVal, BitwiseEquations().kthPlusOrSolution(x, k)); }
template<int N> void Run_() { cerr << "Test Case #" << N << "..." << flush; Test_(Case_<N>()); Run_<sizeof(Test_(Case_<N+1>()))==1 ? -1 : N+1>(); }
template<> void Run_<-1>() {}
int main() { Run_<0>(); }
// END CUT HERE