Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
from sys import exit, setrecursionlimit, stderr
from functools import reduce
from itertools import *
from collections import defaultdict
from bisect import bisect

def read():
  return int(input())

def reads():
  return [int(x) for x in input().split()]

def test(x):
  return x % 2 == 1 and sum(x % y == 0 for y in range(1, x+1)) == 8

S = input()
K = read() - 1
i0 = next(i for i in range(len(S)) if S[i] != '1')
if K < i0:
  print(1)
else:
  print(S[i0])


Fixed submission:
from sys import exit, setrecursionlimit, stderr
from functools import reduce
from itertools import *
from collections import defaultdict
from bisect import bisect

def read():
  return int(input())

def reads():
  return [int(x) for x in input().split()]

def test(x):
  return x % 2 == 1 and sum(x % y == 0 for y in range(1, x+1)) == 8

S = input()
K = read() - 1
N = len(S)
i0 = next((i for i in range(N) if S[i] != '1'), N)
if K < i0:
  print(1)
else:
  print(S[i0])
Buggy python submission (verdict: Time Limit Exceeded):
from sys import exit, setrecursionlimit, stderr
from functools import reduce
from itertools import *
from collections import defaultdict
from bisect import bisect

import numpy as np

def read():
  return int(input())

def reads():
  return [int(x) for x in input().split()]

D = 20

N = read()
A = reads()

freq = [None] * (N+1)
freq[0] = np.zeros(D, dtype=int)
for i in range(N):
  freq[i+1] = freq[i] + np.asarray([A[i] >> d & 1 for d in range(D)])

r = 0
count = 0
for l in range(N):
  while r < N and np.all(freq[r+1] - freq[l] <= np.ones(D)):
    r += 1
  count += r - l
print(count)


Fixed submission:
from sys import exit, setrecursionlimit, stderr
from functools import reduce
from itertools import *
from collections import defaultdict
from bisect import bisect

def read():
  return int(input())

def reads():
  return [int(x) for x in input().split()]

D = 20

N = read()
A = reads()

psum = [[0]*(N+1) for _ in range(D)]
for d in range(D):
  for i in range(N):
    psum[d][i+1] = psum[d][i] + (A[i] >> d & 1)

r = 0
count = 0
for l in range(N):
  while r < N and all(psum[d][r+1] - psum[d][l] <= 1 for d in range(D)):
    r += 1
  count += r - l
print(count)
Buggy python submission (verdict: Time Limit Exceeded):
from bisect import *

def read():
  return int(input())

def reads():
  return [int(x) for x in input().split()]

N = read()
A = reads()
B = reads()

D = 28
xor = 0
for d in range(D + 1):
  mask = (1 << (d + 1)) - 1 # [1] * (d+1)
  BB = sorted(x & mask for x in B)
  count = 0
  for a in (x & mask for x in A):
    count ^= bisect_left(BB, (1 << (d + 1)) - a) - bisect_left(BB, (1 << d) - a)
    count ^= bisect_left(BB, (1 << (d + 2)) - a) - bisect_left(BB, (1 << d) + (1 << (d + 1)) - a)
  if count & 1:
    xor |= 1 << d

print(xor)



Fixed submission:
def read():
  return int(input())
 
def reads():
  return [int(x) for x in input().split()]
 
N = read()
A = reads()
B = reads()
 
D = 28
xor = 0
for d in range(D + 1):
  mask = (1 << (d + 1)) - 1 # [1] * (d+1)
  AA = sorted(x & mask for x in A)
  BB = sorted(x & mask for x in B)
  count = 0
  itr = [N] * 4
  for a in AA:
    vs = [
      (1 << d) - a,
      (1 << (d + 1)) - a,
      (1 << d) + (1 << (d + 1)) - a,
      (1 << (d + 2)) - a
    ]
    for i in range(4):
      while 0 < itr[i] and vs[i] <= BB[itr[i]-1]:
        itr[i] -= 1
    count += (itr[1] - itr[0]) + (itr[3] - itr[2])
  if count & 1:
    xor |= 1 << d
 
print(xor)

Buggy python submission (verdict: Time Limit Exceeded):
from bisect import *

def read():
  return int(input())

def reads():
  return [int(x) for x in input().split()]

N = read()
A = reads()
B = reads()

D = 28
xor = 0
for d in range(D + 1):
  mask = (1 << (d + 1)) - 1 # [1] * (d+1)
  BB = sorted(x & mask for x in B)
  count = 0
  for a in (x & mask for x in A):
    count += bisect_left(BB, (1 << (d + 1)) - a) - bisect_left(BB, (1 << d) - a)
    count += bisect_left(BB, (1 << (d + 2)) - a) - bisect_left(BB, (1 << d) + (1 << (d + 1)) - a)
  if count & 1:
    xor |= 1 << d

print(xor)



Fixed submission:
def read():
  return int(input())
 
def reads():
  return [int(x) for x in input().split()]
 
N = read()
A = reads()
B = reads()
 
D = 28
xor = 0
for d in range(D + 1):
  mask = (1 << (d + 1)) - 1 # [1] * (d+1)
  AA = sorted(x & mask for x in A)
  BB = sorted(x & mask for x in B)
  count = 0
  itr = [N] * 4
  for a in AA:
    vs = [
      (1 << d) - a,
      (1 << (d + 1)) - a,
      (1 << d) + (1 << (d + 1)) - a,
      (1 << (d + 2)) - a
    ]
    for i in range(4):
      while 0 < itr[i] and vs[i] <= BB[itr[i]-1]:
        itr[i] -= 1
    count += (itr[1] - itr[0]) + (itr[3] - itr[2])
  if count & 1:
    xor |= 1 << d
 
print(xor)
Buggy python submission (verdict: Time Limit Exceeded):
from sys import exit, setrecursionlimit, stderr
from functools import reduce
from itertools import *
from collections import *
from bisect import bisect
 
def read():
  return int(input())
 
def reads():
  return [int(x) for x in input().split()]

def main():
  N, M = reads()
  A = reads()

  d = Counter(A)
  uf = union_find(N)
  edges = [[] for _ in range(N)]
  for _ in range(M):
    x, y = reads()
    uf.unite(x, y)

  INF = 1 << 30
  mins = defaultdict(lambda: INF)
  for i in range(N):
    k = uf.root(i)
    mins[k] = min(mins[k], A[i])
  g = len(mins)

  if g == 1:
    print(0); exit()
  if (g - 1) * 2 > N:
    print("Impossible"); exit()

  ans = 0
  for k, v in mins.items():
    ans += v
    d[v] -= 1
  ans += sum(sorted(d.elements())[:g-2])
  print(ans)
  

class union_find:
  def __init__(self, n):
    self.par = [-1] * n
  def __repr__(self):
    return "union_find({0})".format(self.par)
  def unite(self, x, y):
    if self.root(x) != self.root(y):
      self.par[self.root(x)] = y
  def root(self, x):
    if self.par[x] == -1:
      return x
    else:
      self.par[x] = self.root(self.par[x])
      return self.par[x]
  def same(self, x, y):
    return self.root(x) == self.root(y)

main()

Fixed submission:
from sys import exit, setrecursionlimit, stderr
from functools import reduce
from itertools import *
from collections import *
from bisect import bisect
 
def read():
  return int(input())
 
def reads():
  return [int(x) for x in input().split()]

def main():
  N, M = reads()
  A = reads()
  if M == N-1:
    print(0); exit()

  d = Counter(A)
  uf = union_find(N)
  edges = [[] for _ in range(N)]
  for _ in range(M):
    x, y = reads()
    uf.unite(x, y)

  INF = 1 << 30
  mins = defaultdict(lambda: INF)
  for i in range(N):
    k = uf.root(i)
    mins[k] = min(mins[k], A[i])
  g = len(mins)

  if (g - 1) * 2 > N:
    print("Impossible"); exit()

  ans = 0
  for k, v in mins.items():
    ans += v
    d[v] -= 1
  ans += sum(sorted(d.elements())[:g-2])
  print(ans)

class union_find:
  def __init__(self, n): self.par = [-1] * n; self.rank = [0] * n
  def __repr__(self): return "union_find({0})".format([self.root(i) for i in range(n)])
  def unite(self, x, y):
    x = self.root(x); y = self.root(y)
    if x == y: return
    if self.rank[x] < self.rank[y]: self.par[x] = y
    else:
      self.par[y] = x
      if self.rank[x] == self.rank[y]: self.rank[x] += 1
  def root(self, x):
    if self.par[x] == -1: return x
    else: self.par[x] = self.root(self.par[x]); return self.par[x]
  def same(self, x, y): return self.root(x) == self.root(y)

main()
Buggy python submission (verdict: Runtime Error):
from sys import exit, setrecursionlimit, stderr
from functools import reduce
from itertools import *
from collections import defaultdict
from bisect import *

import numpy as np

def read():
  return int(input())

def reads():
  return [int(x) for x in input().split()]

N = read()
A = sorted(reads())
B = sorted(reads())
C = sorted(reads())

numB = [0] * N
for i in range(N):
  numB[i] = N - bisect_left(C, B[i]+1)
print(numB, file=stderr)

anumB = [0] * (N+1)
for i in range(N):
  anumB[i+1] = anumB[i] + numB[i]
print(anumB, file=stderr)

numA = [0] * N
for i in range(N):
  numA[i] = anumB[N] - anumB[bisect_left(B, A[i]+1)]
print(numA, file=stderr)

print(sum(numA))

Fixed submission:
from sys import exit, setrecursionlimit, stderr
from functools import reduce
from itertools import *
from collections import defaultdict
from bisect import *

def read():
  return int(input())

def reads():
  return [int(x) for x in input().split()]

N = read()
A = sorted(reads())
B = sorted(reads())
C = sorted(reads())

numB = [0] * N
for i in range(N):
  numB[i] = N - bisect_left(C, B[i]+1)
print(numB, file=stderr)

anumB = [0] * (N+1)
for i in range(N):
  anumB[i+1] = anumB[i] + numB[i]
print(anumB, file=stderr)

numA = [0] * N
for i in range(N):
  numA[i] = anumB[N] - anumB[bisect_left(B, A[i]+1)]
print(numA, file=stderr)

print(sum(numA))
Buggy python submission (verdict: Runtime Error):
from sys import exit, setrecursionlimit, stderr
from functools import reduce
from itertools import *
from collections import *
from bisect import *
from heapq import *

def read():
  return int(input())
 
def reads():
  return [int(x) for x in input().split()]

maxd = -1
ans = None

A, B, C, D, E, F = reads()
for i, j, k in product(range(31), range(31), range(3001)):
  water100 = A * i + B * j
  if C * k > water100 * E or water100 == 0:
    continue
  l = (water100 * E - C * k) // D
  sugar = C * k + D * l
  mass = water100 * 100 + sugar
  density = sugar / mass
  if mass <= F and maxd < density:
    maxd = density
    ans = (mass, sugar)

print(ans[0], ans[1])



Fixed submission:
from sys import exit, setrecursionlimit, stderr
from functools import reduce
from itertools import *
from collections import *
from bisect import *
from heapq import *

def read():
  return int(input())
 
def reads():
  return [int(x) for x in input().split()]

maxd = -1
ans = None

A, B, C, D, E, F = reads()
for i, j, k in product(range(31), range(31), range(3001)):
  water100 = A * i + B * j
  if C * k > water100 * E or C * k > F - water100 * 100 or water100 == 0:
    continue
  l = min(water100 * E - C * k, F - water100 * 100 - C * k) // D
  sugar = C * k + D * l
  mass = water100 * 100 + sugar
  density = sugar / mass
  if mass <= F and maxd < density:
    maxd = density
    ans = (mass, sugar)

print(ans[0], ans[1])

Buggy python submission (verdict: Runtime Error):
from sys import exit, setrecursionlimit, stderr
from functools import reduce
from itertools import *
from collections import *
from bisect import *
from heapq import *

def read():
  return int(input())
 
def reads():
  return [int(x) for x in input().split()]

maxd = 0
ans = None

A, B, C, D, E, F = reads()
for i, j, k in product(range(31), range(31), range(3001)):
  water100 = A * i + B * j
  if C * k > water100 * E or water100 == 0:
    continue
  l = (water100 * E - C * k) // D
  sugar = C * k + D * l
  mass = water100 * 100 + sugar
  density = sugar / mass
  if mass <= F and maxd < density:
    maxd = density
    ans = (mass, sugar)

print(ans[0], ans[1])



Fixed submission:
from sys import exit, setrecursionlimit, stderr
from functools import reduce
from itertools import *
from collections import *
from bisect import *
from heapq import *

def read():
  return int(input())
 
def reads():
  return [int(x) for x in input().split()]

maxd = -1
ans = None

A, B, C, D, E, F = reads()
for i, j, k in product(range(31), range(31), range(3001)):
  water100 = A * i + B * j
  if C * k > water100 * E or C * k > F - water100 * 100 or water100 == 0:
    continue
  l = min(water100 * E - C * k, F - water100 * 100 - C * k) // D
  sugar = C * k + D * l
  mass = water100 * 100 + sugar
  density = sugar / mass
  if mass <= F and maxd < density:
    maxd = density
    ans = (mass, sugar)

print(ans[0], ans[1])
Buggy python submission (verdict: Time Limit Exceeded):
from sys import exit, setrecursionlimit, stderr
from functools import reduce
from itertools import *
from collections import *
from bisect import *

def read():
  return int(input())
 
def reads():
  return [int(x) for x in input().split()]

N = read()
A = []
for _ in range(N):
  A.append(reads())

necc = [[True] * N for _ in range(N)]

for i, j, k in combinations(range(N), 3):
  a, b, c = sorted((
    (A[i][j], i, j),
    (A[i][k], i, k),
    (A[j][k], j, k)
  ))
  if a[0] + b[0] < c[0]:
    print(-1); exit()
  elif a[0] + b[0] == c[0]:
    necc[c[1]][c[2]] = False

ans = sum(A[i][j] for i, j in combinations(range(N), 2) if necc[i][j])
print(ans)

Fixed submission:
from sys import exit, setrecursionlimit, stderr
from functools import reduce
from itertools import *
from collections import *
from bisect import *

def read():
  return int(input())
 
def reads():
  return [int(x) for x in input().split()]

N = read()
A = []
for _ in range(N):
  A.append(reads())

necc = [[True] * N for _ in range(N)]

def fail():
  print(-1); exit()

for i, j, k in combinations(range(N), 3):
  if A[i][j] + A[j][k] < A[i][k] or A[i][j] + A[i][k] < A[j][k] or A[i][k] + A[j][k] < A[i][j]:
    fail()
  if A[i][j] + A[j][k] == A[i][k]:
    necc[i][k] = False
  if A[i][j] + A[i][k] == A[j][k]:
    necc[j][k] = False
  if A[i][k] + A[j][k] == A[i][j]:
    necc[i][j] = False

ans = sum(A[i][j] for i, j in combinations(range(N), 2) if necc[i][j])
print(ans)
Buggy python submission (verdict: Runtime Error):
from sys import exit, setrecursionlimit, stderr
from functools import reduce
from itertools import *
from collections import *
from bisect import *

def read():
  return int(input())
 
def reads():
  return [int(x) for x in input().split()]

N = read()
edges = [[] for _ in range(N)]
for _ in range(N-1):
  a, b = reads()
  a, b = a-1, b-1
  edges[a].append(b)
  edges[b].append(a)

def dist(u, d = None):
  if d == None:
    d = [-1] * N
  for v in edges[u]:
    if d[v] >= 0:
      continue
    d[v] = d[u] + 1
    dist(v, d)
  return d

distf = dist(0)
dists = dist(N-1)

numf = sum(distf[i] >= dists[i] for i in range(N))
nums = N - numf

if numf >= nums:
  print("Fennec")
else:
  print("Snuke")

Fixed submission:
from sys import exit, setrecursionlimit, stderr
from functools import reduce
from itertools import *
from collections import *
from bisect import *

def read():
  return int(input())
 
def reads():
  return [int(x) for x in input().split()]

setrecursionlimit(1 << 30)

N = read()
edges = [[] for _ in range(N)]
for _ in range(N-1):
  a, b = reads()
  a, b = a-1, b-1
  edges[a].append(b)
  edges[b].append(a)

def dist(u, d):
  for v in edges[u]:
    if d[v] >= 0:
      continue
    d[v] = d[u] + 1
    dist(v, d)
  return d

distf = dist(0, [0]+[-1]*(N-1))
dists = dist(N-1, [-1]*(N-1)+[0])

numf = sum(distf[i] <= dists[i] for i in range(N))
nums = N - numf

if numf > nums:
  print("Fennec")
else:
  print("Snuke")
Buggy python submission (verdict: Time Limit Exceeded):
from sys import exit, setrecursionlimit, stderr
from functools import reduce
from itertools import *
from collections import *
from bisect import bisect
from heapq import *

def read():
  return int(input())
 
def reads():
  return [int(x) for x in input().split()]

MOD = 10**9 + 7
 
N = read()
A = reads()

fact = [1] * N
for i in range(1, N):
  fact[i] = (fact[i-1] * i) % MOD 
invfact = [0] * N; invfact[-1] = pow(fact[-1], MOD-2, MOD)
for i in range(N-2, -1, -1):
  invfact[i] = invfact[i+1] * (i+1)
def comb(n, k):
  # print(n, k)
  return fact[n] * invfact[n-k] * invfact[k] % MOD  

cnt = Counter(A)
q = next(i for i in range(1,N+1) if cnt[i] == 2)
i1 = A.index(q); i2 = A.index(q, i1+1)
m = N - (i2 - i1)
# print(m)

print(N)
for k in range(2, N+1):
  ans = comb(N-1, k-1) * 2 + comb(N-1, k-2)
  if m >= k-1:
    ans -= comb(m, k-1)
  if k <= N-1:
    ans += comb(N-1, k)
  print(ans % MOD)
print(1)

Fixed submission:
from sys import exit, setrecursionlimit, stderr
from functools import reduce
from itertools import *
from collections import *
from bisect import bisect
from heapq import *

def read():
  return int(input())
 
def reads():
  return [int(x) for x in input().split()]

MOD = 10**9 + 7
 
N = read()
A = reads()

fact = [1] * N
for i in range(1, N):
  fact[i] = (fact[i-1] * i) % MOD 
invfact = [0] * N; invfact[-1] = pow(fact[-1], MOD-2, MOD)
for i in range(N-2, -1, -1):
  invfact[i] = invfact[i+1] * (i+1) % MOD
def comb(n, k):
  return fact[n] * invfact[n-k] * invfact[k] % MOD  

cnt = Counter(A)
q = next(i for i in range(1,N+1) if cnt[i] == 2)
i1 = A.index(q); i2 = A.index(q, i1+1)
m = N - (i2 - i1)
# print(m)

print(N)
for k in range(2, N+1):
  ans = comb(N-1, k-1) * 2 + comb(N-1, k-2)
  if m >= k-1:
    ans -= comb(m, k-1)
  if k <= N-1:
    ans += comb(N-1, k)
  print(ans % MOD)
print(1)
Buggy python submission (verdict: Time Limit Exceeded):
from sys import stderr

def reads():
  return [int(x) for x in input().split()]

INF = 1 << 63

N, M, K = reads()
A = reads()

dp = A
for j in range(2, K+1):
  deq = [0] * N; l = r = 0
  q = [-INF] * N
  for i in range(N):
    # pop
    while l < r and deq[l] < i-M:
      l += 1
    # max
    q[i] = j * A[i] + (dp[deq[l]] if l < r else -INF)
    # append
    while l < r and dp[deq[r-1]] <= dp[i]:
      r -= 1
    deq[r] = i; r += 1
  dp = q

print(max(dp))


Fixed submission:
from sys import stderr

def reads():
  return [int(x) for x in input().split()]

N, M, K = reads()
A = reads()

dp = [[0] * N, list(A)]
deq = [0] * N
for j in range(2, K+1):
  l = r = 0
  b = j & 1
  prev = dp[1-b]; curr = dp[b]
  for i in range(N):
    # pop
    while l < r and deq[l] < i-M:
      l += 1
    # max
    curr[i] = (j * A[i] + prev[deq[l]]) if (i >= j-1 and l < r) else 0
    # append
    while l < r and prev[deq[r-1]] <= prev[i]:
      r -= 1
    deq[r] = i; r += 1

print(max(dp[K & 1]))

Buggy python submission (verdict: Time Limit Exceeded):
from sys import exit, setrecursionlimit
from functools import reduce
from itertools import *
from collections import defaultdict
from bisect import bisect

def read():
  return int(input())

def reads():
  return [int(x) for x in input().split()]

setrecursionlimit(1000000)

INF = 10**10

(N, M, K) = reads()
A = [None] + reads()

if N == M:
  print(sum(i * A[i] for i in range(N+1)))

d = defaultdict(lambda: -INF)

d[0, 0] = 0

for n in range(1,N+1):
  k = 1
  # print("aa")
  d[n,1] = A[n]
  # print("d[{1},{2}] = {0}".format(d[n,k], n, k))


# d[n, k]: n枚目のパネルで丁度k枚とる点数の最大値
for k in range(2,K+1):
  for n in range(1,N+1):
    d[n, k] = k * A[n] + max(d[n-i, k-1] for i in range(1,M+1))
    # print("d[{1},{2}] = {0}".format(d[n,k], n, k))


print(max(d[n, K] for n in range(N+1)))


Fixed submission:
from sys import stderr

def reads():
  return [int(x) for x in input().split()]

N, M, K = reads()
A = reads()

dp = [[0] * N, list(A)]
deq = [0] * N
for j in range(2, K+1):
  l = r = 0
  b = j & 1
  prev = dp[1-b]; curr = dp[b]
  for i in range(N):
    # pop
    while l < r and deq[l] < i-M:
      l += 1
    # max
    curr[i] = (j * A[i] + prev[deq[l]]) if (i >= j-1 and l < r) else 0
    # append
    while l < r and prev[deq[r-1]] <= prev[i]:
      r -= 1
    deq[r] = i; r += 1

print(max(dp[K & 1]))
Buggy python submission (verdict: Runtime Error):
from sys import exit

def reads():
  return [int(x) for x in input().split()]

(N, A) = reads()
x = reads()

assert(N <= 16)

count = 0

for b in range(1, 1<<N):
  bits = [bool(b&(1 << i)) for i in range(N)]
  if sum(x[i] for i in range(N) if bits[i]) == A * sum(bits):
    count += 1
    # print(bits)

print(count)


Fixed submission:
from sys import exit

def reads():
  return [int(x) for x in input().split()]

(N, A) = reads()
x = reads()

d = dict()

d[0] = 1

for i in range(N):
  for (s, N) in list(d.items()):
    k = s + x[i] - A
    d[k] = d.get(k, 0) + N

print(d[0]-1)
Buggy python submission (verdict: Runtime Error):
num=input()
c=False
for i in range(1,len(num)+1):
  if num[i]==num[i-1]:
    c=True
    
if c==True:
  print("Bad")
else:
  print("Good")

Fixed submission:
num=input()
c=False
for i in range(1,len(num)):
  if num[i]==num[i-1]:
    c=True
    
if c==True:
  print("Bad")
else:
  print("Good")
Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())

def f(a,b):
    return max(len(str(a)),len(str(b)))
m=10000
for a in range(1,10**10):
    if n%a==0:
        m=min(f(a,n//a),m)
    if n<a:
        break
print(m)

Fixed submission:
#n, *d = map(int, open(0).read().split())
# dream dreamer erase eraser 
n=int(input())

def f(a,b):
    return max(len(str(a)),len(str(b)))
m=10000
for a in range(1,10**10):
    if n%a==0:
        m=min(f(a,n//a),m)
    if n<a or n//a<a:
        break
print(m)
Buggy python submission (verdict: Time Limit Exceeded):
L,R=map(int,input().split())
#print(L,R)  

COUNT=2019
NUMBER=0

for i in range(L,R+1):
  for j in range(i+1,R+1):
    
    NUMBER=i*j%2019
    #print(i,j,NUMBER)
    if COUNT>NUMBER:
      COUNT=NUMBER
      #print(i,j,NUMBER)

    
print(COUNT)

Fixed submission:
L,R=map(int,input().split())

R=min(R,L+2019)
#print(L,R)  
 
COUNT=2019
NUMBER=0
 
for i in range(L,R+1):
  for j in range(i+1,R+1):
    
    NUMBER=i*j%2019
    #print(i,j,NUMBER)
    if COUNT>NUMBER:
      COUNT=NUMBER
      #print(i,j,NUMBER)
 
    
print(COUNT)
Buggy python submission (verdict: Runtime Error):
M=input()


if M.count(M[0])+ M.count(M[1])+ M.count(M[2])+ M.count(M[3])=8:
  print("Yes")
else:
  print("No")

Fixed submission:
M=input()


if M.count(M[0])+ M.count(M[1])+ M.count(M[2])+ M.count(M[3])==8:
  print("Yes")
else:
  print("No")
Buggy python submission (verdict: Runtime Error):
X,A=map(int,input().split())
print(10*(A=<X))


Fixed submission:
X,A=map(int,input().split())
print(10*(A<=X))
Buggy python submission (verdict: Runtime Error):
n,m=map(int,input().split())
points=list(map(int,input().split()))
points.sort()
score=0
score=points[-1]-points[0]

sas=[]
for i in range(0,m-1):
  sas.append(points[i+1]-points[i])

if sas==[]:
  print(0)
  exit()

for j in range(0,n-1):
  score-=max(sas)
  sas.remove(max(sas))

print(score)

Fixed submission:
n,m=map(int,input().split(" "))
points=list(map(int,input().split(" ")))
points.sort()
score=0
#score=points[-1]-points[0]
sas=[]

for i in range(0,m-1):
  sas.append(points[i+1]-points[i])
sas.sort()

#score-=sum(sas[-n+1:]) 
if n>=m:
  print(0)
  exit()
else:
  print(sum(sas[:m-n]))

Buggy python submission (verdict: Runtime Error):
n,m=map(int,input().split())
points=list(map(int,input().split()))
points.sort()
#print(points)

sas=[]
for i in range(0,m-1):
  sas.append(points[i+1]-points[i])
  
#print(sas)

score=0
score=max(points)-min(points)

if sas==[]:
  print(0)
  exit()

for j in range(0,n-1):
  score-=max(sas)
  sas.remove(max(sas))

print(score)

Fixed submission:
n,m=map(int,input().split(" "))
points=list(map(int,input().split(" ")))
points.sort()
score=0
#score=points[-1]-points[0]
sas=[]

for i in range(0,m-1):
  sas.append(points[i+1]-points[i])
sas.sort()

#score-=sum(sas[-n+1:]) 
if n>=m:
  print(0)
  exit()
else:
  print(sum(sas[:m-n]))
Buggy python submission (verdict: Time Limit Exceeded):
N=int(input())
tlist=[]
alist=[]
dlist=[]

for i in range(0,N):
    t,a=map(int,input().split(" "))
    d=t+a
    tlist.append(t)
    alist.append(a)
    dlist.append(d)
#print(tlist,alist,dlist)

count=0
tscore=0
ascore=0
number=0

for count in range(0,N):
    if count%2==0:
        number=dlist.index(max(dlist))
        tscore+=tlist[number]
    else:
        number=dlist.index(max(dlist))
        ascore+=alist[number]

    #print(tscore,ascore)
    del tlist[number]
    del alist[number]
    del dlist[number]      

print(tscore-ascore)


Fixed submission:
N=int(input())
flist=[]

for i in range(0,N):
    t,a=map(int,input().split(" "))
    d=t+a
    flist.append([d,t,a])
#print(flist)

count=0
score=0
number=0
flist.sort(reverse=True)
#print(flist)

for count in range(0,N):
    if count%2==0:
        score+=flist[count][1]
    else:
        score-=flist[count][2]

    #print(score)
print(score)