View Compilation Error

0_0_39731679_9821.cpp:6:9: error: size of array 'sum' is not an integral constant-expression
    6 | int sum[max];
      |         ^~~
0_0_39731679_9821.cpp:7:9: error: size of array 's1' is not an integral constant-expression
    7 | char s1[max],s2[max];
      |         ^~~
0_0_39731679_9821.cpp:7:17: error: size of array 's2' is not an integral constant-expression
    7 | char s1[max],s2[max];
      |                 ^~~