Compilare: user.cpp: In function ‘int pop(char, char)’: user.cpp:35:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] int Result = Where[x][y].back(); ^ user.cpp:35:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] int Result = Where[x][y].back(); ^ user.cpp:36:9: warning: array subscript has type ‘char’ [-Wchar-subscripts] Where[x][y].pop_back(); ^ user.cpp:36:12: warning: array subscript has type ‘char’ [-Wchar-subscripts] Where[x][y].pop_back(); ^ user.cpp:37:9: warning: array subscript has type ‘char’ [-Wchar-subscripts] Where[y][x].pop_back(); ^ user.cpp:37:12: warning: array subscript has type ‘char’ [-Wchar-subscripts] Where[y][x].pop_back(); ^ user.cpp: At global scope: user.cpp:41:6: warning: ISO C++ forbids declaration of ‘main’ with no type [-Wreturn-type] main(){ ^ user.cpp: In function ‘int main()’: user.cpp:51:9: warning: array subscript has type ‘char’ [-Wchar-subscripts] Curr[x]++; b[y][x]++; ^ user.cpp:51:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] Curr[x]++; b[y][x]++; ^ user.cpp:51:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] Curr[x]++; b[y][x]++; ^ user.cpp:52:10: warning: array subscript has type ‘char’ [-Wchar-subscripts] Where[x][y].push_back(i); ^ user.cpp:52:13: warning: array subscript has type ‘char’ [-Wchar-subscripts] Where[x][y].push_back(i); ^ user.cpp:53:10: warning: array subscript has type ‘char’ [-Wchar-subscripts] Where[y][x].push_back(i); ^ user.cpp:53:13: warning: array subscript has type ‘char’ [-Wchar-subscripts] Where[y][x].push_back(i); ^ user.cpp:64:13: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (b[j][c]) { ^ user.cpp:65:10: warning: array subscript has type ‘char’ [-Wchar-subscripts] b[j][c]--;