Compilare: main.cpp:9:5: warning: built-in function 'log2' declared as non-function [-Wbuiltin-declaration-mismatch] 9 | int log2[N+1], r[L+1][N+1],n,q; | ^~~~ main.cpp: In function 'int main()': main.cpp:14:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 14 | for(int i=1;(1<<i)<=n;i++) | ^~~ main.cpp:18:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 18 | log2[1]=0; | ^~~~