Compilare: user.cpp: In function 'void read()': user.cpp:41: warning: format '%d' expects type 'int*', but argument 2 has type 'char*' user.cpp:41: warning: format '%d' expects type 'int*', but argument 3 has type 'char*' user.cpp: In function 'void write(pair2)': user.cpp:61: warning: array subscript has type 'char' user.cpp:61: warning: array subscript has type 'char' user.cpp:61: warning: array subscript has type 'char' user.cpp: In function 'void solve()': user.cpp:101: warning: array subscript has type 'char' user.cpp:101: warning: array subscript has type 'char' user.cpp:101: warning: array subscript has type 'char' user.cpp:103: warning: array subscript has type 'char' user.cpp:103: warning: array subscript has type 'char' user.cpp:103: warning: array subscript has type 'char' user.cpp:103: warning: array subscript has type 'char' user.cpp:103: warning: array subscript has type 'char' user.cpp:103: warning: array subscript has type 'char' user.cpp:105: warning: array subscript has type 'char' user.cpp:105: warning: array subscript has type 'char' user.cpp:105: warning: array subscript has type 'char' user.cpp: In function 'int main()': user.cpp:118: warning: array subscript has type 'char' user.cpp:118: warning: array subscript has type 'char' user.cpp:118: warning: array subscript has type 'char'