sazid · June 17, 2018 21:32
diff --git a/cumulative_sum.cpp b/cumulative_sum.cpp
 int arr[5] = {4, 2, 3, 8, 1, 9};
 int sum[5] = {4};
 for (int i = 1; i < 5; i++) sum[i] = sum[i-1] + arr[i];
 int a = 1, b = 3;
 // print the sum for the range [a,b]
 cout << sum[b]-sum[a-1] << endl;
	int arr[5] = {4, 2, 3, 8, 1, 9};
	int sum[5] = {4};
	for (int i = 1; i < 5; i++) sum[i] = sum[i-1] + arr[i];
	int a = 1, b = 3;
	// print the sum for the range [a,b]
	cout << sum[b]-sum[a-1] << endl;