Compilare: main.cpp: In function 'long long int log(long long int, long long int)': main.cpp:8:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(y<0) ^~ main.cpp:10:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' if(y==0) ^~ main.cpp:21:1: warning: control reaches end of non-void function [-Wreturn-type] } ^