Compilare: user.cpp: In function 'int main()': user.cpp:44: warning: format '%s' expects type 'char*', but argument 2 has type 'char (*)[2000001]' user.cpp:44: warning: format '%s' expects type 'char*', but argument 3 has type 'char (*)[2000001]' user.cpp:55: warning: array subscript has type 'char' user.cpp:56: warning: array subscript has type 'char' user.cpp:63: warning: array subscript has type 'char' user.cpp:64: warning: array subscript has type 'char' user.cpp:67: warning: array subscript has type 'char' user.cpp:68: warning: array subscript has type 'char' user.cpp:76: warning: comparison between signed and unsigned integer expressions