Run id: 134531

Main.cc: In function 'int main()':
Main.cc:11:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<=a.size();i++){
                  ^
Main.cc:16:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<=b.size();i++){
                  ^
Main.cc:23:7: error: 'd' was not declared in this scope
     w=d.find(a);
       ^