Artifact 2e6ce5bbe0d9efd7fee99644339db9c20bfb1c12
#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 <cstring>
using namespace std;
typedef long long LL;
typedef complex<double> CMP;
class NetworkXZeroOne { public:
string reconstruct(string message)
{
if( message[0]=='?' ) {
string msg = message;
msg[0] = 'o';
if( check(msg) )
return msg;
message[0] = 'x';
}
check(message);
return message;
}
bool check(string& msg)
{
for(int i=1; i<msg.size(); ++i)
if( msg[i]=='?' ) {
if( msg[i-1]=='x' )
msg[i]='o';
else
msg[i]='x';
}
for(int i=0; i<msg.size(); ++i)
for(int k=2; i+k<=msg.size(); k+=2)
if( count(msg.begin()+i, msg.begin()+i+k, 'o')*2 != k )
return false;
return true;
}
};
// 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 string& Expected, const string& 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(_, NetworkXZeroOne().reconstruct(message));}
int main(){
CASE(0)
string message = "x?x?";
string _ = "xoxo";
END
CASE(1)
string message = "?xo?";
string _ = "oxox";
END
CASE(2)
string message = "xo";
string _ = "xo";
END
CASE(3)
string message = "o??x??o";
string _ = "oxoxoxo";
END
CASE(4)
string message = "???????x";
string _ = "oxoxoxox";
END
/*
CASE(5)
string message = ;
string _ = ;
END
CASE(6)
string message = ;
string _ = ;
END
*/
}
// END CUT HERE