Compilare: user.cpp: In function 'int main()': user.cpp:16: warning: format '%s' expects type 'char*', but argument 2 has type 'char (*)[10000]' user.cpp:17: warning: comparison between signed and unsigned integer expressions user.cpp:18: warning: comparison between signed and unsigned integer expressions user.cpp:13: warning: 'nch' may be used uninitialized in this function user.cpp:13: warning: 'ncv' may be used uninitialized in this function