Envío 820

Código

n = input()
size = int(n)
array = size *[0]
total_a = size *[0]
adition_a = 0

number = input()
args = number.split()

c = input()
query_number = int(c)

p = query_number *[0]
q = query_number *[0]

for i in range (0,size):
    array[i] = int(args[i])

for i in range(0,query_number):
    query_pq= input()
    token = query_pq.split()
    p[i]=int(token[0])
    q[i]=int(token[1])

adition = 0

for i in range(0,size):
    adition = adition + array[i]
    total_a[i] = adition

i =0
for i in range(1,query_number):
    adition_a = 0

    if int(p[i])== 0:
        adition_a = total_a[q[i]]

    if int(p[i]) == q[i]:
        adition_a = array[q[i]]

    if int(q[i]) > int(p[i]) and int(p[i])!= 0:
        adition_a = total_a[q[i]] - total_a[p[i]-1]

    print(adition_a)