Compilare: user.cpp: In function ‘void update(l, l, l, l, l)’: user.cpp:35:9: warning: this ‘else’ clause does not guard... [-Wmisleading-indentation] else ^~~~ user.cpp:37:11: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘else’ Tree[nod]=max(Tree[nod<<1],Tree[nod<<1^1]); ^~~~ user.cpp: In function ‘l query(l, l, l, l, l)’: user.cpp:54:1: warning: control reaches end of non-void function [-Wreturn-type] } ^