Compilare: main.cpp: In function 'void rmq()': main.cpp:46:78: warning: suggest parentheses around '+' inside '<<' [-Wparentheses] if ( level [ rmq_euler [ i ][ j ] ] > level [ rmq_euler [ i - 1 ][ j + 1 << ( i - 1 ) ] ] ) ~~^~~ main.cpp: In function 'int query(int, int)': main.cpp:60:5: 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:63:9: 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 ] ; ^~~~~~