View Compilation Error

0_0_21235065_16596.cpp: In function 'int main()':
0_0_21235065_16596.cpp:56:16: error: invalid types 'int[int]' for array subscript
             f[i]=i;
                ^
0_0_21235065_16596.cpp:75:19: error: invalid types 'int[int]' for array subscript
             if(f[i]==i)
                   ^