TopCoder SRM 145 Division 2 250 pts

SRM_145_Div2_250.cpp

#include <vector>
#include <string>

using std::vector;
using std::string;

class ImageDithering {
 public:
  int count(string dithered, vector<string> screen) {
    int c = 0;
    
    for(auto p : screen) {
      for(int i = 0; i < p.length(); ++i) {
        for(int j = 0; j < dithered.length(); ++j) {
          if( p[i] == dithered[j] ) {
            ++c;
            break;
          }
        }      
      }
    }
    
    return c;
  }
};