Compilare: main.cpp: In function 'long long int cb(long long int, long long int)': main.cpp:38:13: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(nrzero(mid) == p) ^~ main.cpp:40:17: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' r = mid - 1; ^ main.cpp: At global scope: main.cpp:45:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] main() ^