Buggy python submission (verdict: Runtime Error):
import numpy as np
n = int(input())
x = list(map(int,input().split()))
m,k = map(int,input().split())
a = list(map(int,input().split()))
b = []
x2 = []
c = []
for i in range(1,n):
  b.append(i-1)
  x2.append(x[i]-x[i-1])
for i in range(m):
  to = a[i]-1
  b[to],b[to-1] = b[to-1],b[to]
bai = np.zeros((n-1,n-1),dtype = "int8")
for i in range(n-1):
  xx = b[i]
  bai[xx,i] = 1
bai = np.mat(bai)
bai = bai**k
x2 = np.dot(x2,bai)
x2 = np.array(x2)
s = x[0]
print(s)
for i in x2[0]:
  s += i
  print(s)

Fixed submission:
n = int(input())
x = list(map(int,input().split()))
m,k = map(int,input().split())
a = list(map(int,input().split()))
b = []
x2 = []
c = []
for i in range(1,n):
  b.append(i-1)
  x2.append(x[i]-x[i-1])
for i in range(m):
  to = a[i]-1
  b[to],b[to-1] = b[to-1],b[to]
c = [-1] * (n-1)
for i in range(n-1):
  c[b[i]] = i
for i in range(60):
  x3 = [0]*(n-1)
  if k&(1<<i):
    for i in range(n-1):
      x3[c[i]] = x2[i]
    x2 = x3
  c2 = [-1] * (n-1)
  for i in range(n-1):
    c2[i] = c[c[i]] 
  c = c2
s = x[0]
print(s)
for i in x2:
  s += i
  print(s)

Buggy python submission (verdict: Runtime Error):
import copy
import numpy as np
n = int(input())
x = list(map(int,input().split()))
m,k = map(int,input().split())
a = list(map(int,input().split()))
b = []
x2 = []
c = []
for i in range(1,n):
  b.append(i-1)
  x2.append(x[i]-x[i-1])
for i in range(m):
  to = a[i]-1
  b[to],b[to-1] = b[to-1],b[to]
bai = np.zeros((n-1,n-1))
for i in range(n-1):
  xx = b[i]
  bai[xx,i] = 1
bai = np.mat(bai)
bai = bai**k
x2 = np.dot(x2,bai)
x2 = np.array(x2)
s = x[0]
print(s)
for i in x2[0]:
  s += i
  print(s)

Fixed submission:
n = int(input())
x = list(map(int,input().split()))
m,k = map(int,input().split())
a = list(map(int,input().split()))
b = []
x2 = []
c = []
for i in range(1,n):
  b.append(i-1)
  x2.append(x[i]-x[i-1])
for i in range(m):
  to = a[i]-1
  b[to],b[to-1] = b[to-1],b[to]
c = [-1] * (n-1)
for i in range(n-1):
  c[b[i]] = i
for i in range(60):
  x3 = [0]*(n-1)
  if k&(1<<i):
    for i in range(n-1):
      x3[c[i]] = x2[i]
    x2 = x3
  c2 = [-1] * (n-1)
  for i in range(n-1):
    c2[i] = c[c[i]] 
  c = c2
s = x[0]
print(s)
for i in x2:
  s += i
  print(s)

Buggy python submission (verdict: Time Limit Exceeded):
import copy
n = int(input())
x = list(map(int,input().split()))
m,k = map(int,input().split())
a = list(map(int,input().split()))
b = copy.deepcopy(x)
kako = [x]
while True:
  for i in range(m):
    to = a[i]-1
    if to == 0:
      b[0] = b[1]*2-b[0]
    elif to == n-1:
      b[n-1] = b[n-2]*2 - b[n-1]
    else:
      b[to] = (b[to+1]*2-b[to]+b[to-1]*2-b[to])/2
  if b in kako:
    break
  kako.append(copy.deepcopy(b))
rp = kako.index(b)
if rp>= k:
  for i in kako[k]:
    print(i)
  exit()
k -= rp
kako = kako[rp:]
k %= len(kako)
for i in kako[k]:
  print(i)


Fixed submission:
n = int(input())
x = list(map(int,input().split()))
m,k = map(int,input().split())
a = list(map(int,input().split()))
b = []
x2 = []
c = []
for i in range(1,n):
  b.append(i-1)
  x2.append(x[i]-x[i-1])
for i in range(m):
  to = a[i]-1
  b[to],b[to-1] = b[to-1],b[to]
c = [-1] * (n-1)
for i in range(n-1):
  c[b[i]] = i
for i in range(60):
  x3 = [0]*(n-1)
  if k&(1<<i):
    for i in range(n-1):
      x3[c[i]] = x2[i]
    x2 = x3
  c2 = [-1] * (n-1)
  for i in range(n-1):
    c2[i] = c[c[i]] 
  c = c2
s = x[0]
print(s)
for i in x2:
  s += i
  print(s)

Buggy python submission (verdict: Time Limit Exceeded):
import copy
n = int(input())
x = list(map(int,input().split()))
m,k = map(int,input().split())
a = list(map(int,input().split()))
b = copy.deepcopy(x)
kako = [x]
while True:
  for i in range(m):
    to = a[i]-1
    if to == 0:
      b[0] = b[1]*2-b[0]
    elif to == n-1:
      b[n-1] = b[n-2]*2 - b[n-1]
    else:
      b[to] = (b[to+1]*2-b[to]+b[to-1]*2-b[to])/2
  if b ==x:
    break
  kako.append(copy.deepcopy(b))
k %= len(kako)
for i in kako[k]:
  print(i)

Fixed submission:
n = int(input())
x = list(map(int,input().split()))
m,k = map(int,input().split())
a = list(map(int,input().split()))
b = []
x2 = []
c = []
for i in range(1,n):
  b.append(i-1)
  x2.append(x[i]-x[i-1])
for i in range(m):
  to = a[i]-1
  b[to],b[to-1] = b[to-1],b[to]
c = [-1] * (n-1)
for i in range(n-1):
  c[b[i]] = i
for i in range(60):
  x3 = [0]*(n-1)
  if k&(1<<i):
    for i in range(n-1):
      x3[c[i]] = x2[i]
    x2 = x3
  c2 = [-1] * (n-1)
  for i in range(n-1):
    c2[i] = c[c[i]] 
  c = c2
s = x[0]
print(s)
for i in x2:
  s += i
  print(s)