Compilare: main.cpp: In function 'int query(int, int)': main.cpp:60:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if ( level [ rmq_euler [ i ][ st ] ] < level [ rmq_euler [ i ][ dr - ( 1 << i ) + 1 ] ] ) ^~ main.cpp:63:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' return rmq_euler [ i ][ dr - ( 1 << i ) + 1 ] ; ^~~~~~ main.cpp: In function 'int main()': main.cpp:79:9: warning: unused variable 'i' [-Wunused-variable] int i ; ^