Compilare: user.cpp: In function 'int main()': user.cpp:111: warning: format '%lld' expects type 'long long int*', but argument 2 has type 'long int*' user.cpp:111: warning: format '%lld' expects type 'long long int*', but argument 3 has type 'long int*' user.cpp: In function 'long long int combin(long int, long int)': user.cpp:86: warning: control reaches end of non-void function user.cpp: In function 'int main()': user.cpp:91: warning: 't' may be used uninitialized in this function user.cpp:91: warning: 't' may be used uninitialized in this function