Borderou de evaluare (job #120061)

Eroare de compilare: user.cpp:12:9: error: array bound is not an integer constant before ‘]’ token user.cpp:12:12: error: array bound is not an integer constant before ‘]’ token user.cpp: In function ‘void fill(int, int, char, char)’: user.cpp:17:5: error: ‘a’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:39:13: error: ‘a’ was not declared in this scope user.cpp:44:9: error: ‘a’ was not declared in this scope user.cpp:49:9: error: ‘a’ was not declared in this scope user.cpp:56:18: error: ‘a’ was not declared in this scope user.cpp:61:18: error: ‘a’ was not declared in this scope user.cpp:69:22: error: ‘a’ was not declared in this scope user.cpp:35:15: warning: unused variable ‘lin’ [-Wunused-variable] user.cpp:35:20: warning: unused variable ‘col’ [-Wunused-variable]