17 lines
347 B
Python
17 lines
347 B
Python
import sys
|
|
|
|
input = sys.stdin.readline
|
|
|
|
if __name__ == "__main__":
|
|
n = int(input())
|
|
arr = list(map(int, input().split()))
|
|
cum = [0] * (n + 1)
|
|
|
|
for i in range(1, n + 1):
|
|
cum[i] = cum[i - 1] + arr[i - 1]
|
|
|
|
q = int(input())
|
|
for _ in range(q):
|
|
s, e = map(int, input().split())
|
|
print(cum[e] - cum[s - 1])
|