Artifact e962c41de1c7ae6bf9ada62a97f2aef62dfe6758
#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 ColorfulBoard { public:
int theMin(vector <string> board)
{
int H = board.size();
int W = board[0].size();
vector<bool> okY(H), okX(W);
for(bool changed=true; changed; )
{
changed = false;
for(int y=0; y<H; ++y) if(!okY[y])
{
set<char> cc(board[y].begin(), board[y].end());
cc.erase('*');
if( cc.size() == 1 ) {
okY[y] = changed = true;
for(int x=0; x<W; ++x)
board[y][x] = '*';
}
}
for(int x=0; x<W; ++x) if(!okX[x])
{
set<char> cc;
for(int y=0; y<H; ++y)
cc.insert(board[y][x]);
cc.erase('*');
if( cc.size() == 1 ) {
okX[x] = changed = true;
for(int y=0; y<H; ++y)
board[y][x] = '*';
}
}
}
int okys = 0;
for(int y=0; y<H; ++y)
if( okY[y] )
okys++;
int okxs = 0;
for(int x=0; x<W; ++x)
if( okX[x] )
okxs++;
if( okxs!=W && okys!=H )
return -1;
if( okxs!=W )
return okys;
if( okys!=H )
return okxs;
return min(okxs, okys);
}
};
// 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(_, ColorfulBoard().theMin(board));}
int main(){
CASE(0)
string board_[] = {"SSS",
"SRR",
"SMM"};
vector <string> board(board_, board_+sizeof(board_)/sizeof(*board_));
int _ = 4;
END
CASE(1)
string board_[] = {"BBBBBBBB",
"BBBBBBBB",
"BBBBBBBB",
"BBBBBBBB",
"BBBBBBBB"};
vector <string> board(board_, board_+sizeof(board_)/sizeof(*board_));
int _ = 5;
END
CASE(2)
string board_[] = {"Ab",
"bA"};
vector <string> board(board_, board_+sizeof(board_)/sizeof(*board_));
int _ = -1;
END
CASE(3)
string board_[] = {"iiiii",
"iwiwi"}
;
vector <string> board(board_, board_+sizeof(board_)/sizeof(*board_));
int _ = 4;
END
CASE(4)
string board_[] = {"ffffffffff",
"xfxxoofoxo",
"ffffffffff",
"xfxxoofoxo",
"ffffffffff",
"ooxxoofoxo",
"xfxxoofoxo",
"xfxxoxfxxo",
"ffxxofffxo",
"xfxxoxfxxo"};
vector <string> board(board_, board_+sizeof(board_)/sizeof(*board_));
int _ = 17;
END
/*
CASE(5)
string board_[] = ;
vector <string> board(board_, board_+sizeof(board_)/sizeof(*board_));
int _ = ;
END
CASE(6)
string board_[] = ;
vector <string> board(board_, board_+sizeof(board_)/sizeof(*board_));
int _ = ;
END
*/
}
// END CUT HERE