题解与来源题共享。已有题解默认通过；新增或编辑后需由来源域管理员审核。待审核、驳回题解仅作者和审核管理员可见。来源域：system

• 0

  Jaylin LV 7 @ 2026-3-11 18:29:14

  import sys
  input = lambda:sys.stdin.readline().strip()
  
  n,s = map(int,input().split())
  a = [0] + list(map(int,input().split()))
  
  i = j = 1
  ans = 0
  sum = a[i]
  
  while(j<=n):
      if sum <= s:
          ans=max(ans,j-i+1)
          j+=1
          if j<=n:sum+=a[j]
      else:
          sum-=a[i]
          i+=1     
  print(ans)