Shanto needs the sum of entries between two positions in a growing daily log at a game studio.
What your program reads
Line1: N. Line2: N integers. Line3: L R.
What your program prints
Sum of a[L..R].
Limits
1 ≤ L ≤ R ≤ N ≤ 10^5
Example input
5 1 2 3 4 5 2 4
Expected output
9
main.c
Your work is saved in this browser as you type.
Loading editor…
Input for Run
Run tries your code on the input above and shows what it prints. Submit checks your output against every test, including hidden ones.
Shortcut: Ctrl + Enter sends it to the judge.