Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
n, m, k = map(int, input().split(' '))
a_list = list(map(int, input().split(' ')))
b_list = list(map(int, input().split(' ')))
a_sum = 0
b_sum = sum(b_list)

j = m
best=0
for i, a in enumerate(a_list):
  a_sum+=a
  if a_sum>k:
    break
  while ((a_sum + b_sum) > k) & (j>=0):
    b_sum-=b_list[j]
    j-=1
    
  best = max(best,i+j+2)
      
  
    
print(best)

Fixed submission:
n, m, k = map(int, input().split(' '))
a_list = list(map(int, input().split(' ')))
b_list = list(map(int, input().split(' ')))
sa = [0] * (n+1)
sb = [0] * (m+1)

for i in range(n):
  sa[i+1] = a_list[i] + sa[i]
for j in range(m):
  sb[j+1] = b_list[j] + sb[j]

best=0
r = m
for i, a in enumerate(sa):
  if a>k:
    break
  while ((a + sb[r]) > k) & (r>=0):
    r-=1
    
  best = max(best,i+r)
      
  
    
print(best)

Buggy python submission (verdict: Runtime Error):
n,m,k=map(int, input().split())

a_list = list(map(int, input().split()))
b_list = list(map(int, input().split()))

for i in range(1,n):
  a_list[i]=a_list[i-1]+a_list[i]
for i in range(1,n+1):
  b_list[i]=b_list[i-1]+b_list[i]

max_ = 0
for i in range(n):
  if k < a_list[n-i-1]:
    pass
  else:
    for j in range(m):
      if k-a_list[n-i-1] < b_list[m-j-1]:
        pass
      else:
        max_ = max(len(a_list[:n-i])+len(b_list[:m-j]), max_)
        break
print(max_)

Fixed submission:
n, m, k = map(int, input().split(' '))
a_list = list(map(int, input().split(' ')))
b_list = list(map(int, input().split(' ')))
sa = [0] * (n+1)
sb = [0] * (m+1)

for i in range(n):
  sa[i+1] = a_list[i] + sa[i]
for j in range(m):
  sb[j+1] = b_list[j] + sb[j]

best=0
r = m
for i, a in enumerate(sa):
  if a>k:
    break
  while ((a + sb[r]) > k) & (r>=0):
    r-=1
    
  best = max(best,i+r)
      
  
    
print(best)

Buggy python submission (verdict: Runtime Error):
import math

a, b, k = map(int, input().split())
a_list = list(map(int, input().split()))
a_list  = a_list[::-1]

b_list = list(map(int, input().split()))
b_list  = b_list[::-1]

list_ = []
cnt=0
finish_flg = False
jikan = 0
while (len(a_list)!=0) & (len(b_list)!=0):
  a_top = a_list[-1]
  b_top = b_list[-1]

  if a_top<b_top:
    list_.append(a_top)
    a_list.pop()
  else:
    list_.append(b_top)
    b_list.pop()
    
list_ = list_ + a_list + b_list

if sum(list_)<=k:
  print(len(list_))
else:
  left = 0
  right = len(list_)
  while abs(left-right)>1:
    mid = (left+right) // 2
    if sum(list_[:mid])<=k:
      left = mid
    else:
      right = mid

  print(len(list_[left]))

Fixed submission:
n, m, k = map(int, input().split(' '))
a_list = list(map(int, input().split(' ')))
b_list = list(map(int, input().split(' ')))
sa = [0] * (n+1)
sb = [0] * (m+1)

for i in range(n):
  sa[i+1] = a_list[i] + sa[i]
for j in range(m):
  sb[j+1] = b_list[j] + sb[j]

best=0
r = m
for i, a in enumerate(sa):
  if a>k:
    break
  while ((a + sb[r]) > k) & (r>=0):
    r-=1
    
  best = max(best,i+r)
      
  
    
print(best)
Buggy python submission (verdict: Runtime Error):
maps = {'1':'a',
       '2':'b',
       '3':'c',
       '4':'d',
       '5':'e',
       '6':'f',
       '7':'g',
       '8':'h',
       '9':'i',
       '10':'j',
       '11':'k',
       '12':'l',
       '13':'m',
       '14':'n',
       '15':'o',
       '16':'p',
       '17':'q',
       '18':'r',
       '19':'s',
       '20':'t',
       '21':'u',
       '22':'v',
       '23':'w',
       '24':'x',
       '25':'y',
       '26':'z',
       }
n = int(input())
s=''
while True:
  s = maps[str(n%26)] + s
  n //= 26
  if n == 0:
    break
print(s)

Fixed submission:
n = int(input())
s=''
while n!=0:
  n-=1
  tmp=n%26
  s=chr(96+tmp+1)+s
  n//=26
print(s)

Buggy python submission (verdict: Runtime Error):
maps = {'1':'a',
       '2':'b',
       '3':'c',
       '4':'d',
       '5':'e',
       '6':'f',
       '7':'g',
       '8':'h',
       '9':'i',
       '10':'j',
       '11':'k',
       '12':'l',
       '13':'m',
       '14':'n',
       '15':'o',
       '16':'p',
       '17':'q',
       '18':'r',
       '19':'s',
       '20':'t',
       '21':'u',
       '22':'v',
       '23':'w',
       '24':'x',
       '25':'y',
       '26':'z',
       }
n = int(input())
s=''
while True:
  s = maps[str(n%26)] + s
  n //= 26
  if n < 26:
    break
print(s)

Fixed submission:
n = int(input())
s=''
while n!=0:
  n-=1
  tmp=n%26
  s=chr(96+tmp+1)+s
  n//=26
print(s)

Buggy python submission (verdict: Runtime Error):
n = int(input())

length=0
tmp = n
while True:
  if tmp-26**length < 26**(length+1):
    break
  length+=1
  tmp-=26**length

s = ['a']*(length+1)
maps = {'1':'a',
       '2':'b',
       '3':'c',
       '4':'d',
       '5':'e',
       '6':'f',
       '7':'g',
       '8':'h',
       '9':'i',
       '10':'j',
       '11':'k',
       '12':'l',
       '13':'m',
       '14':'n',
       '15':'o',
       '16':'p',
       '17':'q',
       '18':'r',
       '19':'s',
       '20':'t',
       '21':'u',
       '22':'v',
       '23':'w',
       '24':'x',
       '25':'y',
       '26':'z',
       }

keta = 1

while True:
  s[len(s)-keta] = maps[str(n%26)]
  n //= 26
  keta+=1
  if n==0:
    break
print(''.join(s))
  

Fixed submission:
n = int(input())
s=''
while n!=0:
  n-=1
  tmp=n%26
  s=chr(96+tmp+1)+s
  n//=26
print(s)
Buggy python submission (verdict: Time Limit Exceeded):
_ = input()
s = list(map(int, input().split()))
n = int(input())
list_ = []
for _ in range(n):
  k,v = map(int, input().split())
  list_.append({k:v})

for maps in list_:
  k=list(maps.keys())[0]
  v=list(maps.values())[0]
  for i in range(len(s)): 
    if s[i]==k:
      s[i] = v
  ans = 0
  for num in s:
    ans += int(num)
  print(ans)



Fixed submission:
n = int(input())

a = list(map(int, input().split()))
defo = sum(a)
default = [0]*100001
for i in a:
  default[i]+=1

q = int(input())
for _ in range(q):
  b, c = map(int, input().split())
  defo = defo + (c-b)*default[b]
  print(defo)
  default[c] += default[b]
  default[b] = 0
Buggy python submission (verdict: Runtime Error):
x, y = map(int, input().split())

ans = 'No'
for i range(x+1):
  if (x*2 + (x-i)*4) == y:
    ans='Yes'
    break
print(ans)

Fixed submission:
x, y = map(int, input().split())

ans = 'No'
for i in range(x+1):
  if (i*2 + (x-i)*4) == y:
    ans='Yes'
    break
print(ans)
Buggy python submission (verdict: Runtime Error):
x, n = map(int, input().split())
if n == 0:
  print(x)
else:
  list_ = list(map(int, input().split()))

diff = 0
while True:
  if x-diff not in list_:
    print(x-diff)
    break
  if x+diff not in list_:
    print(x-diff)
    break
  diff+=1

Fixed submission:
x, n = map(int, input().split())
if n == 0:
  print(x)
else:
  list_ = list(map(int, input().split()))

  diff = 0
  while True:
    if x-diff not in list_:
      print(x-diff)
      break
    if x+diff not in list_:
      print(x+diff)
      break
    diff+=1

Buggy python submission (verdict: Runtime Error):
x, n = map(int, input().split())
if n == 0:
  print(x)
else:
  list_ = list(map(int, input().split()))

  all_list = list(range(1,101))
  for i in list_:
    all_list.remove(i)

  left = 0
  right = len(all_list)-1

  while left<right:
    mid = (left + right) // 2
    if x < all_list[mid]:
      right = mid
    else:
      left = mid+1
  
  small = all_list[left-1]
  big = all_list[right]

  if abs(small-x)<abs(big-x):
    print(small)
  elif abs(small-x)>abs(big-x):
    print(big)
  else:
    print(small)

Fixed submission:
x, n = map(int, input().split())
if n == 0:
  print(x)
else:
  list_ = list(map(int, input().split()))

  diff = 0
  while True:
    if x-diff not in list_:
      print(x-diff)
      break
    if x+diff not in list_:
      print(x+diff)
      break
    diff+=1
Buggy python submission (verdict: Runtime Error):
def factorization(n):
    arr = []
    temp = n
    for i in range(2, int(-(-n**0.5//1))+1):
        if temp%i==0:
            cnt=0
            while temp%i==0:
                cnt+=1
                temp //= i
            arr.append([i, cnt])

    if temp!=1:
        arr.append([temp, 1])

    if arr==[]:
        arr.append([n, 1])

    return arr

n = int(input())
if n==1:
  print(0)
else:
  arr = factorization(n)
  trial_list = []
  for p in arr:
    i = p[0]
    j = p[1]
    for k in range(1,j+1):
      trial_list.append(i**k)
  sorted(trial_list)
  cnt=0
  for i in trial_list:
    if n%i==0:
      cnt+=1
      n//=i
  print(cnt)

Fixed submission:
a, b = map(int, input().split())
print(int(a*b))
Buggy python submission (verdict: Time Limit Exceeded):
import numpy as np
threshold = 10**18
n = input()
list_ = list(map(int, input().split()))

ans = 1
for i in list_:
  ans *= i
if ans > threshold:
  ans = -1

print(ans)

Fixed submission:
import numpy as np
threshold = 10**18
n = input()
list_ = list(map(int, input().split()))

ans = 1
if 0 in list_:
  print(0)
else:
  for i in list_:
    ans *= i
    if ans > threshold:
      ans = -1
      break
  print(ans)
Buggy python submission (verdict: Runtime Error):
a, b = map(int, input().split())
print(a*(b*100) // 100)

Fixed submission:
from decimal import Decimal

a,b = map(Decimal, input().split())

print(int(a*b))

Buggy python submission (verdict: Runtime Error):
a, b = map(int, input().split())
print(int(a*b))

Fixed submission:
from decimal import Decimal

a,b = map(Decimal, input().split())

print(int(a*b))
Buggy python submission (verdict: Time Limit Exceeded):
from collections import deque

n, m = map(int, input().split())
root = [[] for _ in range(n)]
adj = [-1 for _ in range(n)]
for _ in range(m):
  r,c = map(int, input().split())
  root[r-1].append(c-1)
  root[c-1].append(r-1)
  
explor = [0]

while explor:
  tmp = explor.pop()
  for i in root[tmp]:
    if adj[i]==-1:
      adj[i] = tmp
      explor = [i] + explor

print('Yes')
for i in adj[1:]:
  print(i+1)

Fixed submission:
from collections import deque

n, m = map(int, input().split())
root = [[] for _ in range(n)]
adj = [-1 for _ in range(n)]
for _ in range(m):
  r,c = map(int, input().split())
  root[r-1].append(c-1)
  root[c-1].append(r-1)
  
explor = deque()
explor.append(0)

while explor:
  tmp = explor.popleft()
  for i in root[tmp]:
    if adj[i]==-1:
      adj[i] = tmp
      explor.append(i)

print('Yes')
for i in adj[1:]:
  print(i+1)

Buggy python submission (verdict: Time Limit Exceeded):
n, m = map(int, input().split())
root = [[] for _ in range(n)]
adj = [-1 for _ in range(n)]
for _ in range(m):
  r,c = map(int, input().split())
  root[r-1].append(c-1)
  root[c-1].append(r-1)
  
visited = {0}
explor = [0]

while len(visited)!=n:
  tmp_explor = set()
  while explor:
    tmp = explor.pop()
    visited = visited.union(set(root[tmp]))
    for i in root[tmp]:
      if adj[i]==-1:
        adj[i] = tmp
        tmp_explor.add(i)
  explor = tmp_explor.copy()

print('Yes')
for i in adj[1:]:
  print(i+1)

Fixed submission:
from collections import deque

n, m = map(int, input().split())
root = [[] for _ in range(n)]
adj = [-1 for _ in range(n)]
for _ in range(m):
  r,c = map(int, input().split())
  root[r-1].append(c-1)
  root[c-1].append(r-1)
  
explor = deque()
explor.append(0)

while explor:
  tmp = explor.popleft()
  for i in root[tmp]:
    if adj[i]==-1:
      adj[i] = tmp
      explor.append(i)

print('Yes')
for i in adj[1:]:
  print(i+1)

Buggy python submission (verdict: Time Limit Exceeded):
n, m = map(int, input().split())
root = [[] for _ in range(n)]
adj = [-1 for _ in range(n)]
for _ in range(m):
  r,c = map(int, input().split())
  root[r-1].append(c-1)
  root[c-1].append(r-1)
  
visited = {0}
explor = [0]

while len(visited)!=n:
  tmp_explor = set()
  while explor:
    tmp = explor.pop()
    tmp_explor = tmp_explor.union(set(root[tmp]))
    visited = visited.union(set(root[tmp]))
    for i in root[tmp]:
      if adj[i]==-1:
        adj[i] = tmp
  explor = tmp_explor.copy()

print('Yes')
for i in adj[1:]:
  print(i+1)

Fixed submission:
from collections import deque

n, m = map(int, input().split())
root = [[] for _ in range(n)]
adj = [-1 for _ in range(n)]
for _ in range(m):
  r,c = map(int, input().split())
  root[r-1].append(c-1)
  root[c-1].append(r-1)
  
explor = deque()
explor.append(0)

while explor:
  tmp = explor.popleft()
  for i in root[tmp]:
    if adj[i]==-1:
      adj[i] = tmp
      explor.append(i)

print('Yes')
for i in adj[1:]:
  print(i+1)
Buggy python submission (verdict: Runtime Error):
n, k = map(int, input().split())
n_list = [1]*n
for _ in range(k):
  _ = input()
  for i in range(list(map(int, input().split()))):
    n_list[i-1] = 0
print(sum(n_list))


Fixed submission:
n, k = map(int, input().split())
n_list = [1]*n
for _ in range(k):
  _ = input()
  for i in list(map(int, input().split())):
    n_list[i-1] = 0
print(sum(n_list))

Buggy python submission (verdict: Runtime Error):
n, k = map(int, input().split())
n_list = [1]*n
for _ in range(b):
  _ = input()
  for i in range(list(map(int, input().split()))):
    n_list[i-1] = 0
print(sum(n_list))

Fixed submission:
n, k = map(int, input().split())
n_list = [1]*n
for _ in range(k):
  _ = input()
  for i in list(map(int, input().split())):
    n_list[i-1] = 0
print(sum(n_list))
Buggy python submission (verdict: Time Limit Exceeded):
import itertools

n,m,q = map(int, input().split())
list_ = [list(map(int, input().split())) for _ in range(q)]
tmp = list(range(1,m+1))
cases = [sorted(list(arr)) for arr in itertools.product(tmp, repeat=n)]

max_score = 0
visited = set()
for arr in cases:
  score = 0
  if str(arr) in visited:
    pass
  else:
    visited.add(str(arr))
    for arr_2 in list_:
      if arr[arr_2[1]-1] - arr[arr_2[0]-1] == arr_2[2]:
        score+=arr_2[3]
  max_score = max(max_score, score)
print(max_score)

Fixed submission:
import itertools

n,m,q = map(int, input().split())
list_ = [list(map(int, input().split())) for _ in range(q)]

num=1
seed = [[i] for i in range(1,m+1)]
while num!=n:
  num+=1
  tmp_list = []
  while seed:
    tmp = seed.pop()
    for i in range(tmp[-1],m+1):
      tmp_list.append(tmp+[i])
  seed = tmp_list.copy()

max_score = 0
visited = set()
for arr in seed:
  score = 0
  for arr_2 in list_:
    if arr[arr_2[1]-1] - arr[arr_2[0]-1] == arr_2[2]:
      score+=arr_2[3]
      max_score = max(max_score, score)
print(max_score)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
list_ = list(map(int, input().split()))

for i in range(1,n+1):
  print(list_.count(i))

Fixed submission:
n = int(input())

list_ = [0]*n
joshi_list = list(map(int, input().split()))[::-1]

for i,num in enumerate(joshi_list):
  list_[num-1]+=1

for num in list_:
  print(num)
Buggy python submission (verdict: Runtime Error):
a = int(input())

def factorization(n):
    arr = []
    tmp = n

    for i in range(2, int(n**0.5//1)+1):
        if tmp%i==0:
            cnt = 0
            while tmp%i==0:
                cnt+=1
                tmp//=i
            arr.append([i,cnt])
    if tmp!=1:
        arr.append([tmp,1])
    if arr==[]:
        arr.append([n,1])
    return arr

while True:
  arr = factorization(a)
  if (len(arr)==1) & (arr[1]==1):
    print(a)
    break
  a+=1

Fixed submission:
a = int(input())

def factorization(n):
    arr = []
    tmp = n

    for i in range(2, int(n**0.5//1)+1):
        if tmp%i==0:
            cnt = 0
            while tmp%i==0:
                cnt+=1
                tmp//=i
            arr.append([i,cnt])
    if tmp!=1:
        arr.append([tmp,1])
    if arr==[]:
        arr.append([n,1])
    return arr

while True:
  arr = factorization(a)
  if (len(arr)==1) & (arr[0][1]==1):
    print(a)
    break
  a+=1
Buggy python submission (verdict: Runtime Error):
n = inr(input())
s= input()
if n<=3200:
  print("red")
else:
  print(s)

Fixed submission:
n = int(input())
s= input()
if n<3200:
  print("red")
else:
  print(s)

Buggy python submission (verdict: Runtime Error):
n = inr(input())
s= input()
if n<=:
  print("red")
else:
  print(s)

Fixed submission:
n = int(input())
s= input()
if n<3200:
  print("red")
else:
  print(s)
Buggy python submission (verdict: Runtime Error):
n = int(input())
check = {}
lst = []

for _ in range(n):
  s = list(input())
  s.sort()
  s = "".join(s)
  lst.append(s)
  try:
    check[s]+=1
  else:
    check.update({s:1})
  
cnt=0
check_set = set(lst)
for c in check_set:
  temp_cnt = check[c]
  cnt +=  temp_cnt*(temp_cnt-1)/2
print(int(cnt))

Fixed submission:
n = int(input())
check = {}
lst = []

for _ in range(n):
  s = list(input())
  s.sort()
  s = "".join(s)
  lst.append(s)
  try:
    check[s]+=1
  except:
    check.update({s:1})
  
cnt=0
check_set = set(lst)
for c in check_set:
  temp_cnt = check[c]
  cnt +=  temp_cnt*(temp_cnt-1)/2
print(int(cnt))

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
check = []

for _ in range(n):
  s = list(input())
  s.sort()
  s = "".join(s)
  #print(s)
  check.append(s)
  
cnt=0
check_set = set(check)
for c in check_set:
  temp_cnt = check.count(c)
  if c==1:
    pass
  else:
    cnt +=  temp_cnt*(temp_cnt-1)/2
print(int(cnt))

Fixed submission:
n = int(input())
check = {}
lst = []

for _ in range(n):
  s = list(input())
  s.sort()
  s = "".join(s)
  lst.append(s)
  try:
    check[s]+=1
  except:
    check.update({s:1})
  
cnt=0
check_set = set(lst)
for c in check_set:
  temp_cnt = check[c]
  cnt +=  temp_cnt*(temp_cnt-1)/2
print(int(cnt))
Buggy python submission (verdict: Runtime Error):
import numpy as np

n = int(input())
lst = []
for _ in range(n):
  lst.append(int(input()))
max_idx = np.argmax(lst)
max_ = lst[max_idx]
lst[max_idx] = 0
next_max_ = max(lst)

for i in range(lst):
  if i == max_idx:
    print(next_max_)
  else:
    print(max_)

Fixed submission:
import numpy as np

n = int(input())
lst = []
for _ in range(n):
  lst.append(int(input()))
max_idx = np.argmax(lst)
max_ = lst[max_idx]
lst[max_idx] = 0
next_max_ = max(lst)

for i in range(len(lst)):
  if i == max_idx:
    print(next_max_)
  else:
    print(max_)

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
lst = []
for _ in range(n):
  lst.append(int(input()))
for i in range(n):
  temp = lst[:i]+lst[i+1:]
  print(max(temp))

Fixed submission:
import numpy as np

n = int(input())
lst = []
for _ in range(n):
  lst.append(int(input()))
max_idx = np.argmax(lst)
max_ = lst[max_idx]
lst[max_idx] = 0
next_max_ = max(lst)

for i in range(len(lst)):
  if i == max_idx:
    print(next_max_)
  else:
    print(max_)

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
lst = []
for _ in range(n):
  lst.append(int(input()))
for i in range(n):
  left = lst[:i]
  right = lst[i+1:]
  temp = left+right
  print(max(temp))

Fixed submission:
import numpy as np

n = int(input())
lst = []
for _ in range(n):
  lst.append(int(input()))
max_idx = np.argmax(lst)
max_ = lst[max_idx]
lst[max_idx] = 0
next_max_ = max(lst)

for i in range(len(lst)):
  if i == max_idx:
    print(next_max_)
  else:
    print(max_)
Buggy python submission (verdict: Runtime Error):
N,X = map(int,input().split())
L = list(map(input().split()))

cnt=1
dist=0

for l in L:
  cnt+=1
  dist+=l
  if dist>=X:
    break
    
print(cnt)
  

Fixed submission:
N,X = map(int,input().split())
L = list(map(int,input().split()))

cnt=1
dist=0

for l in L:
  dist+=l
  if dist>X:
    break
  cnt+=1
    
print(cnt)

Buggy python submission (verdict: Runtime Error):
N,X = map(int,input().split())
L = list(map,input().split())

cnt=1
dist=0

for l in L:
  cnt+=1
  dist+=l
  if dist>=X:
    break
    
print(cnt)
  

Fixed submission:
N,X = map(int,input().split())
L = list(map(int,input().split()))

cnt=1
dist=0

for l in L:
  dist+=l
  if dist>X:
    break
  cnt+=1
    
print(cnt)
Buggy python submission (verdict: Time Limit Exceeded):
n, m = map(int, input().split())
breaks = []
for _ in range(m):
  breaks.append(int(input())-1)
stairs = [0 for _ in range(n)]

if n == 1:
  print(1)
else:
  if 0 not in breaks:
    stairs[0]=1

  if 1 not in breaks:
    stairs[1]=1  

  for i in range(n):
    if i+1 not in breaks:
      if i+1>=n:
        pass
      else:
        stairs[i+1]=stairs[i]+stairs[i+1]
    if i+2 not in breaks:
      if i+2>=n:
        pass
      else:
        stairs[i+2]=stairs[i]+stairs[i+2]
    if i>3:
      if sum(stairs[i-3:]) == 0:
        break

  print(stairs[-1]%1000000007)
  

Fixed submission:
n, m = map(int, input().split())
stairs = [1]*(n+1)
for _ in range(m):
  stairs[int(input())] = -1

flg = False
for i in range(2,n+1):
  if stairs[i]==-1:
    pass
  elif stairs[i-1]==-1 and stairs[i-2]==-1:
    flg=True
    break
  elif stairs[i-1]==-1:
    stairs[i] = stairs[i-2]
  elif stairs[i-2]==-1:
    stairs[i] = stairs[i-1]
  else:
    stairs[i] = stairs[i-1] + stairs[i-2]
if flg:
  print(0)
else:
  print(stairs[-1]%1000000007)

Buggy python submission (verdict: Runtime Error):
n, m = map(int, input().split())
breaks = []
for _ in range(m):
  breaks.append(int(input())-1)
stairs = [0 for _ in range(n)]

if n == 1:
  print(1)
else:
  if 0 not in breaks:
    stairs[0]=1

  if 1 not in breaks:
    stairs[1]=1  

  for i in range(n):
    if i+1 not in breaks:
      if i+1>=n:
        pass
      else:
        stairs[i+1]=stairs[i]+stairs[i+1]
    if i+2 not in breaks:
      if i+2>=n:
        pass
      else:
        stairs[i+2]=stairs[i]+stairs[i+2]
    if len(n)>3:
      if sum(stairs[-3:]) == 0:
        break

  print(stairs[-1]%1000000007)
  

Fixed submission:
n, m = map(int, input().split())
stairs = [1]*(n+1)
for _ in range(m):
  stairs[int(input())] = -1

flg = False
for i in range(2,n+1):
  if stairs[i]==-1:
    pass
  elif stairs[i-1]==-1 and stairs[i-2]==-1:
    flg=True
    break
  elif stairs[i-1]==-1:
    stairs[i] = stairs[i-2]
  elif stairs[i-2]==-1:
    stairs[i] = stairs[i-1]
  else:
    stairs[i] = stairs[i-1] + stairs[i-2]
if flg:
  print(0)
else:
  print(stairs[-1]%1000000007)

Buggy python submission (verdict: Runtime Error):
n, m = map(int, input().split())
breaks = []
for _ in range(m):
  breaks.append(int(input())-1)
stairs = [0 for _ in range(n)]

if 0 not in breaks:
  stairs[0]=1

if 1 not in breaks:
  stairs[1]=1  

for i in range(n):
  if i+1 not in breaks:
    if i+1>=n:
      pass
    else:
      stairs[i+1]=stairs[i]+stairs[i+1]
  if i+2 not in breaks:
    if i+2>=n:
      pass
    else:
      stairs[i+2]=stairs[i]+stairs[i+2]
      
print(stairs[-1]%1000000007)
  

Fixed submission:
n, m = map(int, input().split())
stairs = [1]*(n+1)
for _ in range(m):
  stairs[int(input())] = -1

flg = False
for i in range(2,n+1):
  if stairs[i]==-1:
    pass
  elif stairs[i-1]==-1 and stairs[i-2]==-1:
    flg=True
    break
  elif stairs[i-1]==-1:
    stairs[i] = stairs[i-2]
  elif stairs[i-2]==-1:
    stairs[i] = stairs[i-1]
  else:
    stairs[i] = stairs[i-1] + stairs[i-2]
if flg:
  print(0)
else:
  print(stairs[-1]%1000000007)
Buggy python submission (verdict: Time Limit Exceeded):
n, m = map(int, input().split())
init_set = None

for i in range(m):
  l,m = map(int, input().split())
  tmp_set = set([i for i in range(l,m+1)])
  if init_set is None:
    init_set = tmp_set
  else:
    init_set = init_set.intersection(tmp_set)
print(min(n,len(init_set)))

Fixed submission:
n,m = map(int,input().split())
a_min = 1
a_max = n
for _ in range(m):
  l,r = map(int,input().split())
  a_min = max(a_min,l)
  a_max = min(a_max,r)
if a_min>a_max:
  print(0)
else:
  print(a_max-a_min+1)

Buggy python submission (verdict: Time Limit Exceeded):
n,m = map(int,input().split())
a = {i for i in range(1,n+1)}
for _ in range(m):
  l,r = map(int,input().split())
  temp = list(range(l,r+1))
  a = a.intersection(temp)
print(len(a))


Fixed submission:
n,m = map(int,input().split())
a_min = 1
a_max = n
for _ in range(m):
  l,r = map(int,input().split())
  a_min = max(a_min,l)
  a_max = min(a_max,r)
if a_min>a_max:
  print(0)
else:
  print(a_max-a_min+1)