View Compilation Error

0_0_26174628_25256.cpp: In function 'int main()':
0_0_26174628_25256.cpp:46:20: error: invalid types 'int[int]' for array subscript
           if (sum[i] == 0) {
                    ^
0_0_26174628_25256.cpp:57:18: error: invalid types 'int[int]' for array subscript
         if (sum[i] == 0) {
                  ^
0_0_26174628_25256.cpp:69:18: error: invalid types 'int[int]' for array subscript
         if (sum[i] == 0) {
                  ^
0_0_26174628_25256.cpp:81:18: error: invalid types 'int[int]' for array subscript
         if (sum[i] == 0) {
                  ^