Update result if needed
if ( curr_sum < min_sum ) { min_sum = curr_sum ; res_index = ( i - k + 1 ) ; } } cout << " Subarray ▁ between ▁ [ " << res_index << " , ▁ " << res_index + k - 1 << " ] ▁ has ▁ minimum ▁ average " ; }