백준 11659번 - 구간 합 구하기 4

# 입력
import sys
read = sys.stdin.readline

n,m = map(int,read().split())
arr = list(map(int,read().split()))

# 처리
for _ in range(m):
  i,j = map(int,read().split())
  print(sum(arr[i-1:j]))

# 입력
import sys
read = sys.stdin.readline

n,m = map(int,read().split())
nums = {}
for index, num in enumerate(map(int,read().split())):
  nums[index+1] = num

print(nums)

  
# 처리
for _ in range(m):
  temp = 0
  i,j = map(int,read().split())
  for k in range(i,j+1):
    temp += nums[k]
  print(temp)

# 입력
import sys
read = sys.stdin.readline

n,m = map(int,read().split())
arr = [0] + list(map(int,read().split()))
for i in range(1,len(arr)):
  arr[i] = arr[i-1] + arr[i]
  
# 처리
for _ in range(m):
  temp = 0
  i,j = map(int,read().split())
  print(arr[j] - arr[i-1])