Compilare: main.cpp: In function 'int main()': main.cpp:54:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i = 1 ;i <=n; i ++) ^~~ main.cpp:59:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' dfs(root); ^~~ main.cpp: In function 'int QueryRmq(int, int)': main.cpp:103:9: warning: unused variable 'length' [-Wunused-variable] int length = y - x + 1; ^~~~~~