/in/foo.cc: In function 'bool Judge(std::__cxx11::string)':
/in/foo.cc:56:54: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    if(pos[res[j]].st>pos[res[i]].ed || pos[res[j]].st>i && pos[res[j]].ed<pos[res[i]].ed)
                                                       
/in/foo.cc:56:57: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
    if(pos[res[j]].st>pos[res[i]].ed || pos[res[j]].st>i && pos[res[j]].ed<pos[res[i]].ed)