Eroare de compilare: main.cpp: In function 'void fill(int, int)': main.cpp:7:38: error: 'ar' was not declared in this scope { if(i<0 || i>=n || j<0 || j>=m || ar[i][j]); ^~ main.cpp: In function 'int main()': main.cpp:20:39: error: invalid types 'int[int]' for array subscript for(int j=b; j<d; ++j) a[i][j]=1; ^ main.cpp:24:20: error: invalid types 'int[int]' for array subscript if(!a[i][j]) ^ Non zero exit status: 1