Compilare: user.cpp: In function 'void READ()': user.cpp:16: warning: format '%s' expects type 'char*', but argument 3 has type 'char (*)[52]' user.cpp:22: warning: format '%s' expects type 'char*', but argument 3 has type 'char (*)[1010]' user.cpp: In function 'void SOLVE()': user.cpp:41: warning: comparison between signed and unsigned integer expressions