/in/foo.cc: In function 'void buildtree(int, int, int)':
/in/foo.cc:18:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid=l+r>>1,u=k<<1;
          ~^~
/in/foo.cc: In function 'void addall(int, int, int, int, int)':
/in/foo.cc:37:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid=l+r>>1; pushdown(k, r-l+1);
          ~^~
/in/foo.cc: In function 'void mulall(int, int, int, int, int)':
/in/foo.cc:47:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid=l+r>>1; pushdown(k, r-l+1);
          ~^~
/in/foo.cc: In function 'long long int find(int, int, int, int, int)':
/in/foo.cc:55:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid=l+r>>1; pushdown(k,r-l+1);
          ~^~

VJ4Error('ProblemDataNotFoundError', '题目 590c992bd3d8a13210993a4c 的数据未找到。', 'newbzoj', '590c992bd3d8a13210993a4c')