If range sum **S(i, j)** is defined as the sum between indices **i** and **j (i ≤ j)** , inclusive in the array. What is the semantics of negative input for indices?

# How negative B and C be valid?

**savar33**#1

**S(i, j)** is defined as the sum between indices **i** and **j (i ≤ j)** , inclusive in the array. What is the semantics of negative input for indices?