/in/foo.cc: In function 'void LCT::rotate(int)':
/in/foo.cc:31:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
         if(ch[x][k^1]) fa[ch[x][k^1]]=y;ch[y][k]=ch[x][k^1];
         ^~
/in/foo.cc:31:41: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
         if(ch[x][k^1]) fa[ch[x][k^1]]=y;ch[y][k]=ch[x][k^1];
                                         ^~
/in/foo.cc:32:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
         if(not_root(y)) ch[z][dir(y)]=x;fa[x]=z;
         ^~
/in/foo.cc:32:41: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
         if(not_root(y)) ch[z][dir(y)]=x;fa[x]=z;
                                         ^~
/in/foo.cc: In function 'void LCT::splay(int, int)':
/in/foo.cc:39:25: warning: unused variable 'z' [-Wunused-variable]
             int y=fa[x],z=fa[y];
                         ^

VJ4Error('ProblemDataNotFoundError', '题目 590c989cd3d8a132109937cd 的数据未找到。', 'newbzoj', '590c989cd3d8a132109937cd')