/in/foo.cc: In function 'void build_t(int)':
/in/foo.cc:57:22: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  ls.l=fa.l; ls.r=fa.l+fa.r>>1;
                  ~~~~^~~~~
/in/foo.cc: In function 'int todoQ(int, int)':
/in/foo.cc:141:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(R II i=1;i<vx.size();i++) {
               ~^~~~~~~~~~

VJ4Error('ProblemDataNotFoundError', '题目 590c98c1d3d8a13210993872 的数据未找到。', 'newbzoj', '590c98c1d3d8a13210993872')