[zerojudge] e346. 區間和練習

import sys 
from itertools import accumulate
opt = ''
while(1):
    try:
        s = sys.stdin.readline()
        s = '0 ' + sys.stdin.readline()
        q = [int(x) for x in s.split()]
        q = list(accumulate(q))
        m = int(sys.stdin.readline())
        for i in range(m):
            l, r = [int(x) for x in sys.stdin.readline().split()]
            opt += '{}\n'.format(q[r]-q[l-1])
    except: break
print(opt.strip())