Compilare: user.cpp: In function 'void solve()': user.cpp:20: warning: array subscript has type 'char' user.cpp:25: warning: array subscript has type 'char' user.cpp: In function 'int main()': user.cpp:77: warning: array subscript has type 'char' user.cpp:77: warning: array subscript has type 'char' user.cpp:80: warning: array subscript has type 'char' user.cpp:90: warning: array subscript has type 'char' user.cpp:90: warning: array subscript has type 'char' user.cpp:90: warning: array subscript has type 'char' user.cpp:90: warning: array subscript has type 'char' user.cpp:91: warning: array subscript has type 'char' user.cpp:91: warning: array subscript has type 'char' user.cpp:91: warning: array subscript has type 'char' user.cpp:91: warning: array subscript has type 'char' user.cpp:118: warning: array subscript has type 'char' user.cpp:119: warning: array subscript has type 'char' user.cpp:123: warning: array subscript has type 'char' user.cpp:125: warning: array subscript has type 'char'