/in/foo.cc: In function 'int main()':
/in/foo.cc:27:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int j=0;j<s[i].size();j++)
                 ~^~~~~~~~~~~~
/in/foo.cc:30:23: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
      if(dp[w-1][cc]==1&&cnt[cc]>=2||w==1&&cc==1)    
         ~~~~~~~~~~~~~~^~~~~~~~~~~~
/in/foo.cc:31:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       for(int p=1;p<k&&j+p<s[i].size();p++)
                        ~~~^~~~~~~~~~~~