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What is the output of the following naive method used to find the maximum sub-array sum?#includeint main(){     int arr[1000] = {-2, -5, 6, -2, 3, -1, 0,-5, 6}, len = 9;     int cur_max, tmp_max, strt_idx, sub_arr_idx;     cur_max = arr[0];     for(strt_idx = 0; strt_idx < len; strt_idx++)     {    tmp_max = 0;    for(sub_arr_idx = strt_idx; sub_arr_idx < len; sub_arr_idx++)    {         tmp_max += arr[sub_arr_idx];         if(tmp_max > cur_max)         cur_max = tmp_max;    }     }     printf("%d",cur_max);     return 0;}
Options:
A .  6
B .  9
C .  7
D .  None of the mentioned
Answer: Option C


The naive method prints the maximum sub-array sum, which is 7.



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