Compilare: user.cpp: In function 'int main()': user.cpp:54: warning: format '%d' expects type 'int*', but argument 2 has type 'long int*' user.cpp:54: warning: format '%d' expects type 'int*', but argument 3 has type 'long int*' user.cpp:57: warning: format '%d' expects type 'int*', but argument 2 has type 'long long int*' user.cpp: In function 'long int merge(long int, long int)': user.cpp:19: warning: 'ras' may be used uninitialized in this function