Compilare: user.cpp: In function 'void parc(int, int)': user.cpp:33: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void parcn()': user.cpp:81: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int valid(int, int)': user.cpp:101: warning: unused variable 'valida' user.cpp: In function 'int main()': user.cpp:162: warning: comparison between signed and unsigned integer expressions user.cpp:322: warning: format '%I64d' expects type 'int', but argument 2 has type 'long long int' user.cpp:328: warning: comparison between signed and unsigned integer expressions user.cpp:210: warning: 'st2' may be used uninitialized in this function user.cpp:210: warning: 'st1' may be used uninitialized in this function user.cpp:208: warning: 'u' may be used uninitialized in this function