Submission #8883980

---

Source Code Expand

#!usr/bin/env python3
from collections import defaultdict,deque
from heapq import heappush, heappop
import sys
import math
import bisect
import random
def LI(): return [int(x) for x in sys.stdin.readline().split()]
def I(): return int(sys.stdin.readline())
def LS():return [list(x) for x in sys.stdin.readline().split()]
def S(): return list(sys.stdin.readline())[:-1]
def IR(n):
    return [I() for i in range(n)]
def LIR(n):
    return [LI() for i in range(n)]
def SR(n):
    return [S() for i in range(n)]
def LSR(n):
    return [LS() for i in range(n)]

sys.setrecursionlimit(1000000)
mod = 1000000007

def solve():
    n,x,y = LI()
    a = LI()
    ans = abs(a[-1]-y)
    if n > 1:
        ans = max(ans,abs(a[-2]-a[-1]))
    print(ans)
    return

#Solve
if __name__ == "__main__":
    solve()

Submission Info

Judge Result