Compilare: user.cpp: In function ‘int valid(int)’: user.cpp:45: warning: array subscript has type ‘char’ user.cpp:45: warning: array subscript has type ‘char’ user.cpp:45: warning: array subscript has type ‘char’ user.cpp:45: warning: array subscript has type ‘char’ user.cpp:45: warning: array subscript has type ‘char’ user.cpp:45: warning: array subscript has type ‘char’ user.cpp: In function ‘void back()’: user.cpp:51: warning: array subscript has type ‘char’ user.cpp:55: warning: array subscript has type ‘char’ user.cpp:57: warning: array subscript has type ‘char’ user.cpp:68: warning: array subscript has type ‘char’ user.cpp: In function ‘int main()’: user.cpp:89: warning: format ‘%d’ expects type ‘int*’, but argument 2 has type ‘char*’ user.cpp:95: warning: array subscript has type ‘char’ user.cpp:96: warning: array subscript has type ‘char’ user.cpp:104: warning: format ‘%d’ expects type ‘int*’, but argument 2 has type ‘char*’ user.cpp:106: warning: array subscript has type ‘char’ user.cpp:111: warning: array subscript has type ‘char’ user.cpp:111: warning: array subscript has type ‘char’ user.cpp:111: warning: array subscript has type ‘char’ user.cpp:117: warning: array subscript has type ‘char’ user.cpp:117: warning: array subscript has type ‘char’ user.cpp:117: warning: array subscript has type ‘char’ user.cpp:117: warning: array subscript has type ‘char’ user.cpp:123: warning: array subscript has type ‘char’ user.cpp:123: warning: array subscript has type ‘char’ user.cpp:125: warning: array subscript has type ‘char’ user.cpp:125: warning: array subscript has type ‘char’ user.cpp:130: warning: array subscript has type ‘char’ user.cpp:130: warning: array subscript has type ‘char’ user.cpp:130: warning: array subscript has type ‘char’ user.cpp:130: warning: array subscript has type ‘char’ user.cpp:130: warning: array subscript has type ‘char’ user.cpp:130: warning: array subscript has type ‘char’ user.cpp:130: warning: array subscript has type ‘char’ user.cpp:130: warning: array subscript has type ‘char’ user.cpp:130: warning: array subscript has type ‘char’ user.cpp:130: warning: array subscript has type ‘char’ user.cpp:130: warning: array subscript has type ‘char’ user.cpp:130: warning: array subscript has type ‘char’ user.cpp:132: warning: array subscript has type ‘char’ user.cpp:132: warning: array subscript has type ‘char’ user.cpp:132: warning: array subscript has type ‘char’ user.cpp:132: warning: array subscript has type ‘char’ user.cpp:133: warning: array subscript has type ‘char’ user.cpp:133: warning: array subscript has type ‘char’ user.cpp:133: warning: array subscript has type ‘char’ user.cpp:133: warning: array subscript has type ‘char’ user.cpp:135: warning: array subscript has type ‘char’