View Compilation Error

0_0_30673042_16345.cpp: In function 'int main()':
0_0_30673042_16345.cpp:13:14: error: invalid types 'int[int]' for array subscript
   for(j=0;s[j]=='5';j++);
              ^
0_0_30673042_16345.cpp:14:14: error: invalid types 'int[int]' for array subscript
   for(i=j;s[i]!='\0';i++)
              ^
0_0_30673042_16345.cpp:16:10: error: invalid types 'int[int]' for array subscript
    if(s[i]!='5')
          ^
0_0_30673042_16345.cpp:17:15: error: invalid types 'int[int]' for array subscript
     s=s*10+s[i]-'0';
               ^
0_0_30673042_16345.cpp:18:17: error: invalid types 'int[int]' for array subscript
    else if(s[i-1]!='5')
                 ^