Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
a = list(map(int, input().split()))
s = list()
s.append(0)
for i in range(N):
  s.append(a[i] + s[i])
b = sorted(s)
c = len(b)
count = 0
for j in range(c):
  d = b.count(b[j])
  count += (d * (d-1))/2/d
print(int(count))

Fixed submission:
from collections import Counter
N = int(input())
a = list(map(int, input().split()))
count = 0
s = list()
s.append(0)
for i in range(N):
  s.append(a[i] + s[i])
for j in  Counter(s).values():
  count += (j * (j-1))/2
print(int(count))

Buggy python submission (verdict: Time Limit Exceeded):
import itertools
N = int(input())
a = list(map(int, input().split()))
count = 0
b = list(itertools.combinations(range(N+1), 2))
l = len(b)
for i in range(l):
  c = b[i]
  d = c[0]
  e = c[1]
  if sum(a[d : e]) == 0:
    count += 1
print(count)

Fixed submission:
from collections import Counter
N = int(input())
a = list(map(int, input().split()))
count = 0
s = list()
s.append(0)
for i in range(N):
  s.append(a[i] + s[i])
for j in  Counter(s).values():
  count += (j * (j-1))/2
print(int(count))

Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
a = list(map(int, input().split()))
count = 0
for i in range(N+1):
  for j in range(N+1):
    if j > i :
      ai = a[i:j]
      go = sum(ai)
      if go == 0:
        count += 1
print(count) 

Fixed submission:
from collections import Counter
N = int(input())
a = list(map(int, input().split()))
count = 0
s = list()
s.append(0)
for i in range(N):
  s.append(a[i] + s[i])
for j in  Counter(s).values():
  count += (j * (j-1))/2
print(int(count))

Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
a = list(map(int, input().split()))
count = 0
for i in range(N+1):
  for j in range(N+1):
    ai = a[i:j]
    if ai == []:
      count = count - 1
    go = sum(ai)
    if go == 0:
      count += 1
count = int(count)
print(count) 

Fixed submission:
from collections import Counter
N = int(input())
a = list(map(int, input().split()))
count = 0
s = list()
s.append(0)
for i in range(N):
  s.append(a[i] + s[i])
for j in  Counter(s).values():
  count += (j * (j-1))/2
print(int(count))
Buggy python submission (verdict: Runtime Error):
a,b,c = map(int, input().split())
if a+b>=c>=a:
  print(YES)
else
 print(NO)

Fixed submission:
a,b,c = map(int, input().split())
if a+b>=c>=a:
  print("YES")
else:
 print("NO")
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
a = list(map(int,input().split()))
sai = max(a)
ans = 0
def comb(b,c):
      d = 1
      kake = b
      while d < c:
           kake = kake * (b-d)
           d += 1
           kake = kake / d
      return kake
for i in range(N):
    ro = comb(sai,a[i])
    if ro > ans:
       ans = ro
       kore = a[i]
print(sai,kore)

Fixed submission:
N = int(input())
a = list(map(int,input().split()))
a = sorted(a)
sai = max(a)
ma = 100000000000000000000000000
naka = sai / 2
for i in range(N):
    sa = abs(naka - a[i])
    if ma > sa:
       ma = sa
       kore = a[i]
print(sai,kore)

Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
a = list(map(int,input().split()))
a = sorted(a)
sai = max(a)
ans = 0
def comb(b,c):
      d = 1
      kake = b
      while d < c:
           kake = kake * (b-d)
           d += 1
           kake = kake / d
      return kake
for i in range(N):
    ro = comb(sai,a[i])
    if ro > ans:
       ans = ro
       kore = a[i]
print(sai,kore)

Fixed submission:
N = int(input())
a = list(map(int,input().split()))
a = sorted(a)
sai = max(a)
ma = 100000000000000000000000000
naka = sai / 2
for i in range(N):
    sa = abs(naka - a[i])
    if ma > sa:
       ma = sa
       kore = a[i]
print(sai,kore)
Buggy python submission (verdict: Runtime Error):
s= input()
V = list(s)
X = [chr(ord('a') + i) for i in range(26)]

if len(s)<26:
  for i in range(26):
    count1 = s.count(X[i])
    if count1 >= 1:
      continue
    else:
      Nasi = X[i]
      break
  ans = s + Nasi
else:
  if s == "zyxwvutsrqponmlkjihgfedcba":
    ans= -1
  else:
    for i in range(25, 0, -1):
        if V[i] > V[i-1]:
          ans = V[0:i-1]
          ans.append(min(V[i+1:26]))
          ans = ''.join(ans)
          break
        else:
          continue
print(ans)

Fixed submission:
s= input()
V = list(s)
X = [chr(ord('a') + i) for i in range(26)]

if len(s)<26:
  for i in range(26):
    count1 = s.count(X[i])
    if count1 >= 1:
      continue
    else:
      Nasi = X[i]
      break
  ans = s + Nasi
else:
  if s == "zyxwvutsrqponmlkjihgfedcba":
    ans= -1
  else:
    for i in range(25, 0, -1):
        if V[i] > V[i-1]:
          ans = V[0:i-1]
          if ans == []:
            ans = chr(ord(V[0]) + 1)
          else:
              B = min(V[i:26])
              while B <= V[i-1]:
                  B = chr(ord(B) + 1)
              while B in ans:
                  B = chr(ord(B) + 1)
              ans.append(B)
              ans = ''.join(ans)
              break
        else:
            continue
print(ans)

Buggy python submission (verdict: Runtime Error):
s= input()
V = list(s)
X = [chr(ord('a') + i) for i in range(26)]

if len(s)<26:
  for i in range(26):
    count1 = s.count(X[i])
    if count1 >= 1:
      continue
    else:
      Nasi = X[i]
      break
  ans = s + Nasi
else:
  if s == "zyxwvutsrqponmlkjihgfedcba":
    ans= -1
  else:
    for i in range(25, 0, -1):
        if V[i] > V[i-1]:
          ans = V[0:i-2]
          ans.append(min(V[i+1:26]))
          ans = ''.join(ans)
          break
        else:
          continue
print(ans)

Fixed submission:
s= input()
V = list(s)
X = [chr(ord('a') + i) for i in range(26)]

if len(s)<26:
  for i in range(26):
    count1 = s.count(X[i])
    if count1 >= 1:
      continue
    else:
      Nasi = X[i]
      break
  ans = s + Nasi
else:
  if s == "zyxwvutsrqponmlkjihgfedcba":
    ans= -1
  else:
    for i in range(25, 0, -1):
        if V[i] > V[i-1]:
          ans = V[0:i-1]
          if ans == []:
            ans = chr(ord(V[0]) + 1)
          else:
              B = min(V[i:26])
              while B <= V[i-1]:
                  B = chr(ord(B) + 1)
              while B in ans:
                  B = chr(ord(B) + 1)
              ans.append(B)
              ans = ''.join(ans)
              break
        else:
            continue
print(ans)
Buggy python submission (verdict: Runtime Error):
n = int(input())
m = 0
a = 0
r = 0
c = 0
h = 0
for i in range(n):
  s = input()
  if s[0] == "M":
    m += 1
  if s[0] == "A":
    a += 1
  if s[0] == "R":
    r += 1
  if s[0] == "C":
    c += 1
  if s[0] == "H":
    H += 1
ans = m * a * r +m*a*c+m*a*h+m*r*c+m*r*h+m*c*h+a*r*c+a*r*h+r*c*h+a*c*h
print(ans)

Fixed submission:
n = int(input())
m = 0
a = 0
r = 0
c = 0
h = 0
for i in range(n):
  s = input()
  if s[0] == "M":
    m += 1
  if s[0] == "A":
    a += 1
  if s[0] == "R":
    r += 1
  if s[0] == "C":
    c += 1
  if s[0] == "H":
    h += 1
ans = m * a * r +m*a*c+m*a*h+m*r*c+m*r*h+m*c*h+a*r*c+a*r*h+r*c*h+a*c*h
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
c = [list(map(int,input().split())) for i in range(3)]
for i in range(-101,101):
  for j in range(-101,101):
    for k in range(-101,101):
      a = [i,j,k]
      b = [c[0][0] - a[0] ,c[1][1] - a[1], c[2][2] - a[2]]
      flag = 0
      for x in range(3):
        for y in range(3):
          if a[x]+b[y] != c[x][y]:
            flag = 1
      if flag == 0:
        print("Yes")
        exit()
print("No")

Fixed submission:
c = [list(map(int,input().split())) for i in range(3)]
for i in range(-101,101):
  for j in range(-101,101):
    for k in range(-101,101):
      a = [i,j,k]
      b = [c[0][0] - a[0] ,c[1][1] - a[1], c[2][2] - a[2]]
      flag = 0
      for x in range(3):
        for y in range(3):
          if a[x]+b[y] != c[x][y]:
            flag = 1
      if flag == 0:
        print("Yes")
        exit()
print("No")
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
print(0, flush=True)
syo = 0
s = input()
if s == "Vacant":
  exit()
maes = s
dai = n-1
print(n-1, flush=True)
s = input()
dais = s
if s == "Vacant":
  exit()
for _ in range(18):
  mid = (dai+syo)//2
  print(mid, flush=True)
  s = input()
  if s == "Vacant":
    exit()
  if ((mid - syo)%2 == 0 and s != syos) or ((mid - syo)%2 == 1 and s == syos):
    dai = mid
    dais = s
  else:
    syo = mid
    syos = s

Fixed submission:
n = int(input())
print(0, flush=True)
syo = 0
s = input()
if s == "Vacant":
  exit()
syos = s
dai = n-1
print(n-1, flush=True)
s = input()
dais = s
if s == "Vacant":
  exit()
for _ in range(18):
  mid = (dai+syo)//2
  print(mid, flush=True)
  s = input()
  if s == "Vacant":
    exit()
  if ((mid - syo)%2 == 0 and s != syos) or ((mid - syo)%2 == 1 and s == syos):
    dai = mid
    dais = s
  else:
    syo = mid
    syos = s

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
print(0)
syo = 0
s = input()
if s == "Vacant":
  exit()
maes = s
dai = n-1
print(n-1)
s = input()
dais = s
if s == "Vacant":
  exit()
while True:
  mid = (dai+syo)//2
  print(mid)
  s = input()
  if s == "Vacant":
    exit()
  if ((mid - syo)%2 == 0 and s != syos) or ((mid - syo)%2 == 1 and s == syos):
    dai = mid
    dais = s
  else:
    syo = mid
    syos = s

Fixed submission:
n = int(input())
print(0, flush=True)
syo = 0
s = input()
if s == "Vacant":
  exit()
syos = s
dai = n-1
print(n-1, flush=True)
s = input()
dais = s
if s == "Vacant":
  exit()
for _ in range(18):
  mid = (dai+syo)//2
  print(mid, flush=True)
  s = input()
  if s == "Vacant":
    exit()
  if ((mid - syo)%2 == 0 and s != syos) or ((mid - syo)%2 == 1 and s == syos):
    dai = mid
    dais = s
  else:
    syo = mid
    syos = s
Buggy python submission (verdict: Runtime Error):
from collections import deque
import copy
class BIT:
    def __init__(self, node_size):
        self._node = node_size+1
        self.bit = [0]*self._node

    def add(self, index, add_val):
        while index < self._node:
            self.bit[index] += add_val
            index += index & -index

    def sum(self, index):
        res = 0
        while index > 0:
            res += self.bit[index]
            index -= index & -index
        return res

s = input()
n = len(s)
a = [ord(i) - ord("a") for i in s]
x = [0]*26
for i in a:
  x[i] += 1
flag = 1
ki = -1
for i in x:
  if i%2 == 1:
    if flag:
      flag = 0
    else:
      print(-1)
      exit()
c = []
x2 = [0]*26
for i in a:
  x2[i] += 1
  if x[i]//2 >= x2[i]:
    c.append(i)
for i in range(n):
  if x[i]%2 == 1:
    b = copy.deepcopy(c)
    c.append(i)
    b = b[::-1]
    c.extend(b)
    break
else:
  b = copy.deepcopy(c)
  b = b[::-1]
  c.extend(b) 
d = {}
for i in range(26):
  d[i] = deque([])
for i in range(n):
  d[c[i]].append(i+1)
for i in range(n):
  x = d[a[i]].popleft()
  a[i] = x
b = []
for i in range(n):
  b.append([a[i],i+1])
b.sort()
b = b[::-1]
bit = BIT(n)
ans = 0
for i,j in b:
  bit.add(j,1)
  ans += bit.sum(j-1)
print(ans)

Fixed submission:
from collections import deque
import copy
class BIT:
    def __init__(self, node_size):
        self._node = node_size+1
        self.bit = [0]*self._node
 
    def add(self, index, add_val):
        while index < self._node:
            self.bit[index] += add_val
            index += index & -index
 
    def sum(self, index):
        res = 0
        while index > 0:
            res += self.bit[index]
            index -= index & -index
        return res
 
s = input()
n = len(s)
a = [ord(i) - ord("a") for i in s]
x = [0]*26
for i in a:
  x[i] += 1
flag = 1
ki = -1
for i in x:
  if i%2 == 1:
    if flag:
      flag = 0
    else:
      print(-1)
      exit()
c = []
x2 = [0]*26
for i in a:
  x2[i] += 1
  if x[i]//2 >= x2[i]:
    c.append(i)
for i in range(26):
  if x[i]%2 == 1:
    b = copy.deepcopy(c)
    c.append(i)
    b = b[::-1]
    c.extend(b)
    break
else:
  b = copy.deepcopy(c)
  b = b[::-1]
  c.extend(b) 
d = {}
for i in range(26):
  d[i] = deque([])
for i in range(n):
  d[c[i]].append(i+1)
for i in range(n):
  x = d[a[i]].popleft()
  a[i] = x
b = []
for i in range(n):
  b.append([a[i],i+1])
b.sort()
b = b[::-1]
bit = BIT(n)
ans = 0
for i,j in b:
  bit.add(j,1)
  ans += bit.sum(j-1)
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
from collections import Counter
N,C = map(int,input().split())
link =[[] for _ in range(C+1)]
for i in range(N):
    x,y,c=[int(i) for i in input().split()]
    link[c].append((x,y))
siyou = [[] for _ in range(C+1)]
for i in range(1,C+1):
  for x,y in link[i]:
    x -= 0.5
    while x < y:
      if x in siyou[i]:
        x += 0.5
        continue
      siyou[i].append(x)
      x += 0.5
from itertools import chain
flat = list(chain.from_iterable(siyou))
ans = Counter(flat).most_common(1)
print(ans[0][1])

Fixed submission:
import numpy as np
from collections import Counter
N,C = map(int,input().split())
link =[[] for _ in range(C+1)]
for i in range(N):
    x,y,c=[int(i) for i in input().split()]
    link[c].append((x,y))
siyou = np.array([0] * (C) * 100000).reshape(C,100000)
for i in range(1,C+1):
  for x,y in link[i]:
    siyou[i-1][x-1:y] = 1
print(np.max((np.sum(siyou, axis=0))))
Buggy python submission (verdict: Runtime Error):
import bisect
N = int(input())
a = list(map(int,input().split()))
b = list(map(int,input().split()))
c = list(map(int,input().split()))
a = sorted(a)
b = sorted(b)
c = sorted(c)
z = [0] * N
ans = 0
for i in range(N-1,-1,-1):
  e = b[i]
  cin =  bisect.bisect_right(c,e)
  if i + 1 == N:
    z[i] = N-cin
  else:
    z[i] = z[i+1] + N-cin
for i in range(N):
  d = a[i]
  bind =  bisect.bisect_right(b,d)
  ans += z[bind]
print(ans)

Fixed submission:
import bisect
N = int(input())
a = list(map(int,input().split()))
b = list(map(int,input().split()))
c = list(map(int,input().split()))
a = sorted(a)
b = sorted(b)
c = sorted(c)
z = [0] * N
ans = 0
for i in range(N-1,-1,-1):
  e = b[i]
  cin =  bisect.bisect_right(c,e)
  if i + 1 == N:
    z[i] = N-cin
  else:
    z[i] = z[i+1] + N-cin
for i in range(N):
  d = a[i]
  bind =  bisect.bisect_right(b,d)
  if bind == N:
    continue
  ans += z[bind]
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
import bisect
N = int(input())
a = list(map(int,input().split()))
b = list(map(int,input().split()))
c = list(map(int,input().split()))
a = sorted(a)
b = sorted(b)
c = sorted(c)
z = [0] * N
ans = 0
for i in range(N):
  e = b[i]
  cin = insert_index = bisect.bisect_right(c,e)
  z[i] = N-cin
for i in range(N):
  d = a[i]
  bind = insert_index = bisect.bisect_right(b,d)
  ans += sum(z[bind:])
print(ans)

Fixed submission:
import bisect
N = int(input())
a = list(map(int,input().split()))
b = list(map(int,input().split()))
c = list(map(int,input().split()))
a = sorted(a)
b = sorted(b)
c = sorted(c)
z = [0] * N
ans = 0
for i in range(N-1,-1,-1):
  e = b[i]
  cin =  bisect.bisect_right(c,e)
  if i + 1 == N:
    z[i] = N-cin
  else:
    z[i] = z[i+1] + N-cin
for i in range(N):
  d = a[i]
  bind =  bisect.bisect_right(b,d)
  if bind == N:
    continue
  ans += z[bind]
print(ans)
Buggy python submission (verdict: Runtime Error):
k,n = map(int,input().split())
if k %2 ==0:
  ans = []
  ans.append(k//2)
  for i in range(n-1):
    ans.append(k)
  print(*ans)
else:
  ans = []
  for i in range(n):
    ans.append(k//2+1)
  sage = (n)//2
  for i in range(sage):
    ans[-1] -=1
    j = -1
    while ans[j] ==0:
      ans[j] = k
      j-=1
      ans[j]-=1
  print(*ans)

Fixed submission:
k,n = map(int,input().split())
if k %2 ==0:
  ans = []
  ans.append(k//2)
  for i in range(n-1):
    ans.append(k)
  print(*ans)
else:
  ans = []
  for i in range(n):
    ans.append(k//2+1)
  sage = (n)//2
  for i in range(sage):
    if ans[-1] == 1:
      ans.pop()
    else:
      ans[-1] -= 1
      while len(ans) < n:
        ans.append(k)
  print(*ans)
Buggy python submission (verdict: Time Limit Exceeded):
s = input()
n = len(s)
s = [ord(c)-ord('a') for c in s]
h = [0] * (n+1)
for i in range(1,n+1):
  h[i] = h[i-1] ^ (1<<s[i-1])
dp = [0] * (n+1)
for i in range(n):
  syo = float("inf")
  for j in range(0,i+1):
    tmp = h[i+1] ^ h[j]
    if tmp == 0 or (tmp & (tmp-1)) == 0:
      syo = min(syo,dp[j]+1)
  dp[i+1] = syo
print(dp[-1])

Fixed submission:
s = input()
n = len(s)
s = [ord(c)-ord('a') for c in s]
h = [0] * (n+1)
for i in range(1,n+1):
  h[i] = h[i-1] ^ (1<<s[i-1])
dp = {}
dp[0] = 0
bits = [2 ** i for i in range(26)]
for i in range(n):
  tmp = float("inf")
  for j in bits:
    try:
      tmp = min(dp[h[i+1]^j] + 1,tmp)
    except:
      pass
  try:
    e = dp[h[i+1]]
  except:
    e = float("inf")
  dp[h[i+1]] = min(tmp,e)
print(dp[h[n]] if dp[h[n]] != 0 else 1)
Buggy python submission (verdict: Time Limit Exceeded):
import itertools
n,k = map(int,input().split())
x = []
a = []
b = []
for i in range(n):
    x1,y1=[int(i) for i in input().split()]
    x.append([x1,y1])
    a.append(x1)
    b.append(y1)
ue = list(itertools.combinations(a,2))
mi = list(itertools.combinations(b,2))
ans = float("inf")
for u,d in ue:
  for m,h in mi:
    kazu = 0
    if u > d:
      UP = u
      DO = d
    else:
      UP = d
      DO = u
    if m > h:
      RI = m
      LE = h
    else:
      RI = h
      LE = m
    for i in  x:
      if (UP >= i[0] and i[0]>= DO and RI >= i[1] and i[1] >= LE):
        kazu += 1
    if kazu >= k:
      ans = min(ans,(UP-DO)*(RI-LE))
print(ans)

Fixed submission:
import itertools
n,k = map(int,input().split())
x = []
a = []
b = []
for i in range(n):
    x1,y1=[int(i) for i in input().split()]
    x.append([x1,y1])
    a.append(x1)
    b.append(y1)
ue = list(itertools.combinations(a,2))
mi = list(itertools.combinations(b,2))
e = len(ue)
ue.extend(mi)
ans = float("inf")
for i in range(e):
  u = ue[i]
  if u[0] > u[1]:
    UP = u[0]
    DO = u[1]
  else:
    UP = u[1]
    DO = u[0]
  for j in range(e):
    kazu = 0
    m = ue[j+e]
    if m[0] > m[1]:
      RI = m[0]
      LE = m[1]
    else:
      RI = m[1]
      LE = m[0]
    for i in  x:
      c = i[0]
      d = i[1]
      if (UP >= c and c>= DO and RI >= d and d >= LE):
        kazu += 1
    if kazu >= k:
      ans = min(ans,(UP-DO)*(RI-LE))
print(ans)
Buggy python submission (verdict: Runtime Error):
import sys
#sys.setrecursionlimit(200000)
input = sys.stdin.readline
n,m= map(int,input().split())
g = [[]for i in range(n)]
for i in range(m):
        a,b = map(int,input().split())
        a-=1;b-=1
        g[a].append(b)
        g[b].append(a)
kyo = [1<<50]*n
def dfs(x,y,z):
        for i in g[x]:
                if i == y: continue
                if kyo[i] > z+1:
                        kyo[i] = z+1
                        dfs(i,x,z+1)
kyo[0] = 0
dfs(0,0,0)
ki = 0
gu = 0
mita = set()
for i in kyo:
        if i in mita:
                print(n*(n-1)//2-m)
                exit()
        mita.add(i)
        if i %2 == 0:
                gu += 1
        else:
                ki += 1
print(gu*ki-m)

Fixed submission:
import sys
sys.setrecursionlimit(200000)
input = sys.stdin.readline
n,m= map(int,input().split())
g = [[]for i in range(n)]
for i in range(m):
        a,b = map(int,input().split())
        a-=1;b-=1
        g[a].append(b)
        g[b].append(a)
kyo = [-1]*n
def dfs(x,y,z):
        for i in g[x]:
                if i == y: continue
                if kyo[i] == -1:
                        kyo[i] = (z+1)%2
                        dfs(i,x,z+1)
                else:
                        if kyo[i] !=  (z+1)%2:
                                print(n*(n-1)//2-m)
                                exit()
                
kyo[0] = 0
dfs(0,0,0)
ki = 0
gu = 0
for i in kyo:
        if i %2 == 0:
                gu += 1
        else:
                ki += 1
print(gu*ki-m)
Buggy python submission (verdict: Runtime Error):
import sys
h,w,d = map(int, sys.stdin.readline().split())
def ironuri(x,b,c):
    a = []
    if b-d >= 0:
        a.append(x[b-d][c])
    if c-d >= 0:
        a.append(x[b][c-d])
    nu = ["R","Y","G","B"]
    for ia in nu:
        if ia not in a:
            return ia
e = [[0] * w for i in range(h)]
for i in range(w):
    for j in range(h):
        if e[j][i] != 0:
            continue
        e[j][i] = "R"
        for k in range(w//d):
            for l in range(h//d):
                e[j+k*d][i+l*d] = ironuri(e,j+k*d,i+l*d) 
for i in e:
    print("".join(i))

Fixed submission:
import sys
h,w,d = map(int, sys.stdin.readline().split())

x = [[0]*1600 for i in range(1600)]
for i in range(1600):
    for j in range(1600):
        a = i//d 
        b = j//d
        if (a%2 ==0 and b%2 == 0):
            x[i][j] = "R"
        elif (a%2 ==1 and b%2 == 0):
            x[i][j] = "Y"
        elif (a%2 ==1 and b%2 == 1):
            x[i][j] = "G"
        else:
            x[i][j] = "B"
for i in range(h):
    result = ""
    for j in range(w):
        result+= x[800+j-i][0+j+i] 
    print(result)
Buggy python submission (verdict: Time Limit Exceeded):
import itertools
def Warshall_Floyd(edges,N):
  for k in range(N):
    for i in range(N):
      for j in range(N):
        edges[i][j]=min(edges[i][j],edges[i][k]+edges[k][j])
  return edges
n,m,r = map(int,input().split())
a = list(map(int,input().split()))
b = [list(map(int,input().split())) for l in range(m)]
d = [[float("inf")]*n for i in range(n)]
for i in range(m):
  d[b[i][0]-1][b[i][1]-1] = min(b[i][2],d[b[i][0]-1][b[i][1]-1])
  d[b[i][1]-1][b[i][0]-1] = min(b[i][2],d[b[i][1]-1][b[i][0]-1])
d = Warshall_Floyd(d,n)
kumi = list(itertools.permutations(a, r))
kota = float("inf")
for i in kumi:
  ans = 0
  for j in range(1,r):
    ans += d[i[j-1]-1][i[j]-1]
  kota = min(ans,kota)
print(kota)

Fixed submission:
import itertools
def Warshall_Floyd(edges,N):
  for k in range(N):
    for i in range(N):
      for j in range(N):
        edges[i][j]=min(edges[i][j],edges[i][k]+edges[k][j])
  return edges
n,m,r = map(int,input().split())
a = list(map(int,input().split()))
b = [list(map(int,input().split())) for l in range(m)]
d = [[float("inf")]*n for i in range(n)]
for i in range(m):
  d[b[i][0]-1][b[i][1]-1] = min(b[i][2],d[b[i][0]-1][b[i][1]-1])
  d[b[i][1]-1][b[i][0]-1] = min(b[i][2],d[b[i][1]-1][b[i][0]-1])
d = Warshall_Floyd(d,n)
kumi = list(itertools.permutations(a, r))
kota = float("inf")
for i in kumi:
  ans = 0
  for j in range(1,r):
    ans += d[i[j-1]-1][i[j]-1]
  kota = min(ans,kota)
print(kota)
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
a = list(map(int,input().split()))
b = []
for i in range(N):
  b.append(a[i])
  b.reverse()
print(' '.join(map(str,b)))

Fixed submission:
N = int(input())
a = list(map(int,input().split()))
b = [0]*N
if N % 2 == 0:
  for i in range(N):
    if (i+1) %2 == 1:
      b[N//2+(i+1)//2] = a[i]
    else:
      b[N//2-(i+1)//2] = a[i]
else:
  for i in range(N):
    if (i+1) %2 == 1:
      b[(N-1)//2-(i+1)//2] = a[i]
    else:
      b[(N-1)//2+(i+1)//2] = a[i]
print(' '.join(map(str,b)))