Compilare: user.cpp: In function 'void get_input()': user.cpp:49: warning: format '%d' expects type 'int*', but argument 2 has type 'long long unsigned int*' user.cpp: In function 'void put_output()': user.cpp:54: warning: format '%d' expects type 'int', but argument 2 has type 'long long unsigned int' user.cpp: In function 'void solve()': user.cpp:60: warning: comparison between signed and unsigned integer expressions user.cpp:72: warning: comparison between signed and unsigned integer expressions