Compilare: user.cpp:72:2: warning: no newline at end of file user.cpp: In function 'int solve()': user.cpp:22: warning: unused variable 'c' user.cpp: In function 'int main()': user.cpp:63: warning: format '%d' expects type 'int*', but argument 4 has type 'long long int*' user.cpp:65: warning: format '%I64d' expects type 'int*', but argument 3 has type 'long long int*'