Compilare: user.cpp:16:2: warning: no newline at end of file user.cpp: In function 'int main()': user.cpp:8: warning: format '%s' expects type 'char*', but argument 3 has type 'char (*)[10000]' user.cpp:10: warning: format '%s' expects type 'char*', but argument 3 has type 'char (*)[1000]' user.cpp:6: warning: unused variable 'ptr' user.cpp:7: warning: unused variable 'k' user.cpp:4: warning: 'co' may be used uninitialized in this function