Compilare: user.cpp: In function 'int cupleaza(long int)': user.cpp:18: warning: comparison between signed and unsigned integer expressions user.cpp:27: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void df(long int)': user.cpp:45: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int main()': user.cpp:64: warning: format '%d' expects type 'int*', but argument 2 has type 'long int*' user.cpp:64: warning: format '%d' expects type 'int*', but argument 3 has type 'long int*' user.cpp:100: warning: format '%c' expects type 'int', but argument 2 has type 'long int' user.cpp:107: warning: format '%c' expects type 'int', but argument 2 has type 'long int'