View Compilation Error

0_0_28768381_31891.cpp: In function 'int main()':
0_0_28768381_31891.cpp:14:21: error: invalid types 'int[int]' for array subscript
       for(k=1;k<=s[i];k++){
                     ^
0_0_28768381_31891.cpp:15:25: error: invalid types 'int[int]' for array subscript
           for(j=x;j>=a[i];j--){
                         ^
0_0_28768381_31891.cpp:16:22: error: invalid types 'int[int]' for array subscript
            if(b[j-a[i]]==1){
                      ^