Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
H, W = map(int, input().rstrip().split())
s =[list(input().rstrip()) for _ in range(W)]

judge = True
for i in range(H):
    for j in range(W):
        if s[i][j] =='#':
            flag = 0
            if i-1 >= 0 and s[i-1][j] == '#':
                flag = 1
            if j-1 >= 0 and s[i][j-1] == '#':
                flag = 1
            if j+1 < W and s[i][j+1] == '#':
                flag = 1
            if i+1 < H and s[i+1][j] == '#':
                flag = 1
            if flag == 0:
                judge == False
                
if judge:
    print('Yes')
else:
    print('No')


Fixed submission:
H, W = map(int, input().rstrip().split())
s =[list(input().rstrip()) for _ in range(H)]

for i in range(H):
    for j in range(W):
        if s[i][j] =='#':
            flag = 0
            if i-1 >= 0 and s[i-1][j] == '#':
                flag = 1
            if j-1 >= 0 and s[i][j-1] == '#':
                flag = 1
            if j+1 < W and s[i][j+1] == '#':
                flag = 1
            if i+1 < H and s[i+1][j] == '#':
                flag = 1
            if flag == 0:
                print('No')
                exit()
                
print('Yes')

Buggy python submission (verdict: Runtime Error):
H, W = map(int, input().rstrip().split())
s =[list(input().rstrip()) for _ in range(W)]
colors = [['.' for _ in range(W)] for _ in range(H)] 
search = [[-1, 0], [0, -1], [0, 1], [1, 0]]

judge = True
for i in range(H):
    for j in range(W):
        if s[i][j] =='#':
            flag = 0
            for k in range(len(search)):
                x = i + search[k][0]
                y = j + search[k][1]
                if 0 <= x < H and 0 <= y < W and s[x][y] == '#':
                    colors[i][j] = colors[x][y] = '#'
                    flag = 1
                    if flag == 0:
                        judge = False
                        
if s != colors:
    judge = False

if judge:
    print('Yes')
else:
    print('No')

Fixed submission:
H, W = map(int, input().rstrip().split())
s =[list(input().rstrip()) for _ in range(H)]

for i in range(H):
    for j in range(W):
        if s[i][j] =='#':
            flag = 0
            if i-1 >= 0 and s[i-1][j] == '#':
                flag = 1
            if j-1 >= 0 and s[i][j-1] == '#':
                flag = 1
            if j+1 < W and s[i][j+1] == '#':
                flag = 1
            if i+1 < H and s[i+1][j] == '#':
                flag = 1
            if flag == 0:
                print('No')
                exit()
                
print('Yes')
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input().rstrip())
a = []
for n in range(N):
    a.append(int(input().rstrip()))

if all([num != 2 for num in a]):
    print(-1)
    exit()

button = [1]
for _ in range(N):
    button.append(a[button[-1] - 1])
    current = button[-1]
    if current == 2:
        print(len(button) - 1)
        exit()
    if any([b == current for b in button[:-1]]):
        break

print(-1)

Fixed submission:
N = int(input().rstrip())
a = []
for n in range(N):
    a.append(int(input().rstrip()))

button = [1]
for _ in range(N-1):
    button.append(a[button[-1] - 1])
    if button[-1] == 2:
        print(len(button) - 1)
        exit()
    if button[-1] == button[-2]:
        break
    
print(-1)

Buggy python submission (verdict: Time Limit Exceeded):
N = int(input().rstrip())
a = []
for n in range(N):
    a.append(int(input().rstrip()))

button = [1]
while True:
    button.append(a[button[-1] - 1])
    current = button[-1]
    if current == 2:
        break
    if any([b == current for b in button[:-1]]):
        print(-1)
        exit()

print(len(button) - 1)

Fixed submission:
N = int(input().rstrip())
a = []
for n in range(N):
    a.append(int(input().rstrip()))

button = [1]
for _ in range(N-1):
    button.append(a[button[-1] - 1])
    if button[-1] == 2:
        print(len(button) - 1)
        exit()
    if button[-1] == button[-2]:
        break
    
print(-1)
Buggy python submission (verdict: Time Limit Exceeded):
a, b, x = [int(s) for s in input().rstrip().split()]
for i in range(a, a+x):
    if i % x == 0:
        min = i
        break
for i in range(b, b-x, -1):
    if i % x == 0:
        max = i
        break
print((max - min) // x + 1)

Fixed submission:
a, b, x = [int(s) for s in input().rstrip().split()]
if a % x == 0:
    ans = b // x - a // x + 1
else:
    ans = b // x - a // x
print(ans)
Buggy python submission (verdict: Runtime Error):
N, K = list(map(int, input().rstrip()))
ans = K * (K-1)**(N-1)
print(ans)

Fixed submission:
N, K = list(map(int, input().rstrip().split()))
ans = K * (K-1)**(N-1)
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
N,Q = map(int,input().split())
S = input()
l = [0] * Q
r = [0] * Q
a = []
for i in range(Q):
    l[i],r[i] = map(int,input().split())

for i in range(N-1):
    
    if S[i] == 'A' and S[i+1] == 'C':

        a.append(1)

    else:

        a.append(0)

for i in range(Q):

    print(a[l[i]-1:r[i]-1].count(1))

Fixed submission:
N,Q = map(int,input().split())
S = input()
l = [0] * Q
r = [0] * Q
a = 0
b = [0]
for i in range(Q):
    l[i],r[i] = map(int,input().split())

for i in range(N-1):
    
    if S[i] == 'A' and S[i+1] == 'C':

        a += 1
        b.append(a)

    else:

        b.append(a)

for i in range(Q):

    print(b[r[i]-1]-b[l[i]-1])

Buggy python submission (verdict: Time Limit Exceeded):
N,Q = map(int,input().split())
S = input()
l = [0] * Q
r = [0] * Q
a = []
for i in range(Q):
    l[i],r[i] = map(int,input().split())

for i in range(N-1):
    
    if S[i] == 'A' and S[i+1] == 'C':

        a.append(1)

    else:

        a.append(0)

for i in range(Q):

    print(a[l[i]-1:r[i]-1].count(1))

Fixed submission:
N,Q = map(int,input().split())
S = input()
l = [0] * Q
r = [0] * Q
a = 0
b = [0]
for i in range(Q):
    l[i],r[i] = map(int,input().split())

for i in range(N-1):
    
    if S[i] == 'A' and S[i+1] == 'C':

        a += 1
        b.append(a)

    else:

        b.append(a)

for i in range(Q):

    print(b[r[i]-1]-b[l[i]-1])
Buggy python submission (verdict: Runtime Error):
N,M = map(int,input().split())
A = [0] * N
B = [0] * N
C = [[0,0] for i in range(N)]
check = 0
money = 0
a = 0
k = 0

for i in range(N):

    A[i],B[i] = map(int,input().split())
    C[i] = [A[i],B[i]]

C.sort()

while a == 0:

    if check + C[k][1] <= M:

        check += C[k][1]
        money += C[k][0]*C[k][1]
        k += 1

    else:

        money += C[k][0] * (M-check)
        a += 1

print(money)



Fixed submission:
N,M = map(int,input().split())
A = [0] * N
B = [0] * N
C = [[0,0] for i in range(N)]
check = 0
money = 0
a = 0
k = 0

for i in range(N):

    A[i],B[i] = map(int,input().split())
    C[i] = [A[i],B[i]]

C.sort()

while a == 0:

    if check + C[k][1] < M:

        check += C[k][1]
        money += C[k][0]*C[k][1]
        k += 1

        
    else:

        money += C[k][0] * (M-check)
        a += 1

print(money)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
a = list(map(int,input().split()))
b = []
for i in range(n):

    if a[i] != max(a):
        
        b.append([abs((max(a)/2)-a[i]),i])

print('{} {}'.format(max(a),a[sorted(b)[0][1]]))


Fixed submission:
n = int(input())
a = list(map(int,input().split()))
b = []
c = max(a)
d = -100
for i in range(n):

    if a[i] != c:

        if d == -100:

            d = abs((c/2)-a[i])
            e = i 

        else:

            if abs((c/2)-a[i]) < d:

                d = abs((c/2)-a[i]) 
                e = i 
        
        
print('{} {}'.format(c,a[e]))
Buggy python submission (verdict: Runtime Error):
a = int(input())
b = int(input())
c = int(input())
d = int(input())
e = int(input())

v = [a,b,c,d,e]

import math

times = [ math.ceil(a/10)*10,
          math.ceil(b/10)*10,
          math.ceil(c/10)*10,
          math.ceil(d/10)*10,
          math.ceil(e/10)*10 ]

digit1 = [a - a//10*10,
          b - b//10*10,
          c - c//10*10,
          d - d//10*10,
          e - e//10*10]

m = 10
tt = 0
idx = 99

for i in range(5):
    tt += times[i]
    if 0 < digit1[i] and digit1[i] < m:
        m = digit1[i]
        idx = i

print('{}'.format(tt - times[idx] + v[idx]))


Fixed submission:
a = int(input())
b = int(input())
c = int(input())
d = int(input())
e = int(input())

v = [a,b,c,d,e]

import math

times = [ math.ceil(a/10)*10,
          math.ceil(b/10)*10,
          math.ceil(c/10)*10,
          math.ceil(d/10)*10,
          math.ceil(e/10)*10 ]

digit1 = [a - a//10*10,
          b - b//10*10,
          c - c//10*10,
          d - d//10*10,
          e - e//10*10]

m = digit1[0]
tt = 0
idx = 0

for i in range(5):
    tt += times[i]
    if 0 < digit1[i] and digit1[i] < m:
        m = digit1[i]
        idx = i

print('{}'.format(tt - times[idx] + v[idx]))

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


nums = list(map(int, [input() for _ in range(5)]))
s = sum(math.ceil(num / 10) * 10 for num in nums)
m = min(int(str(num)[-1]) for num in nums if num % 10 != 0)
if m != 0:
  s -= (10-m)
print(s)

Fixed submission:
import math


nums = list(map(int, [input() for _ in range(5)]))
s = sum(math.ceil(num / 10) * 10 for num in nums)
m = min([int(str(num)[-1]) for num in nums if num % 10 != 0], default=0)
if m != 0:
  s -= (10-m)
print(s)
Buggy python submission (verdict: Time Limit Exceeded):
import sys

N, Q = map(int, input().split())
s = sys.stdin.readline().rstrip()
ac_list = []
start = 0
while True:
  index = s.find('AC', start)
  if index == -1:
    break
  ac_list.append([index + 1, index + 2])
  start = index + 1


for _ in range(Q):
  l, r = map(int, input().split())
  res = 0
  for a, c in ac_list:
    if l <= a and c <= r:
      res += 1
  print(res)

Fixed submission:
import sys
import bisect

N, Q = map(int, input().split())
s = sys.stdin.readline().rstrip()
ac_list = []
start = 0
while True:
  index = s.find('AC', start)
  if index == -1:
    break
  ac_list.append(index + 1)
  start = index + 1


for _ in range(Q):
  l, r = map(int, input().split())
  res = 0
  start = bisect.bisect_left(ac_list, l)
  end = bisect.bisect_right(ac_list, r-1) - 1
  print(end-start+1)

Buggy python submission (verdict: Time Limit Exceeded):
N, Q = map(int, input().split())
s = input()
for _ in range(Q):
  l, r = map(int, input().split())
  print(s.count('AC', l-1, r))

Fixed submission:
import sys
import bisect

N, Q = map(int, input().split())
s = sys.stdin.readline().rstrip()
ac_list = []
start = 0
while True:
  index = s.find('AC', start)
  if index == -1:
    break
  ac_list.append(index + 1)
  start = index + 1


for _ in range(Q):
  l, r = map(int, input().split())
  res = 0
  start = bisect.bisect_left(ac_list, l)
  end = bisect.bisect_right(ac_list, r-1) - 1
  print(end-start+1)

Buggy python submission (verdict: Time Limit Exceeded):
N, Q = map(int, input().split())
s = input()
for _ in range(Q):
  l, r = map(int, input().split())
  print(s[l-1:r].count('AC'))

Fixed submission:
import sys
import bisect

N, Q = map(int, input().split())
s = sys.stdin.readline().rstrip()
ac_list = []
start = 0
while True:
  index = s.find('AC', start)
  if index == -1:
    break
  ac_list.append(index + 1)
  start = index + 1


for _ in range(Q):
  l, r = map(int, input().split())
  res = 0
  start = bisect.bisect_left(ac_list, l)
  end = bisect.bisect_right(ac_list, r-1) - 1
  print(end-start+1)
Buggy python submission (verdict: Runtime Error):
import itertools


def count_ones(n):
  res = []
  length = n.bit_length()
  power = 1
  while len(res) < length:
    d, m = divmod(n, 2**power)
    num_ones = 2**(power-1) * d + max(0, m + 1 - 2**(power-1))
    res.append(num_ones)
    power += 1
  return res

A, B = map(int, input().split())
ones_A = count_ones(A)
ones_B = count_ones(B)

ones = [nb - na for nb, na in itertools.zip_longest(ones_B, ones_A, fillvalue=0)]

change = [x % 2 for x in ones[::-1]]
change = int(''.join(map(str, change)), 2)
print(A ^ change)

Fixed submission:
import itertools


def count_ones(n):
  res = []
  length = n.bit_length()
  power = 1
  while len(res) < length:
    d, m = divmod(n, 2**power)
    num_ones = 2**(power-1) * d + max(0, m + 1 - 2**(power-1))
    res.append(num_ones)
    power += 1
  return res

A, B = map(int, input().split())
if B == 0:
  print(0)
else:
  ones_A = count_ones(A)
  ones_B = count_ones(B)

  ones = [nb - na for nb, na in itertools.zip_longest(ones_B, ones_A, fillvalue=0)]

  change = [x % 2 for x in ones[::-1]]
  change = int(''.join(map(str, change)), 2)
  print(A ^ change)
Buggy python submission (verdict: Runtime Error):
# -*- coding: utf-8 -*-

from collections import defaultdict


n, X = map(int, input().split())
s = list(map(int, input().split()))
s = sorted(s, reverse=True)

mod = 10 ** 9 + 7

dp = defaultdict(int)
dp[X] = 1

for i in range(n):
    new_dp = defaultdict(int)

    for x in dp:
        mod_x = x % s[i]
        new_dp[x] += dp[x] * (n - i - 1)
        new_dp[mod_x] += dp[x]
        print("new_dp", new_dp)

    dp = new_dp

total = 0
for x in dp:
    total += dp[x] * x

total %= mod

print(total)


Fixed submission:
# -*- coding: utf-8 -*-

from collections import defaultdict


n, X = map(int, input().split())
s = list(map(int, input().split()))
s = sorted(s, reverse=True)

mod = 10 ** 9 + 7

dp = defaultdict(int)
dp[X] = 1

for i in range(n):
    new_dp = defaultdict(int)

    for x in dp:
        mod_x = x % s[i]
        new_dp[x] += dp[x] * (n - i - 1)
        new_dp[mod_x] += dp[x]

    dp = new_dp

total = 0
for x in dp:
    total += dp[x] * x

total %= mod

print(total)

Buggy python submission (verdict: Runtime Error):
# -*- coding: utf-8 -*-

from itertools import permutations
from multiprocessing import Pool
import multiprocessing as multi

n, x = map(int, input().split())
s = list(map(int, input().split()))


def process(s_l):
    xx = x
    for ss in s_l:
        if xx < ss:
            continue
        xx = xx % ss
    return xx


p = Pool(multi.cpu_count())
result = p.map(process, [s_p for s_p in permutations(s)])
p.close()

print(sum(result) % 1000000007)


Fixed submission:
# -*- coding: utf-8 -*-

from collections import defaultdict


n, X = map(int, input().split())
s = list(map(int, input().split()))
s = sorted(s, reverse=True)

mod = 10 ** 9 + 7

dp = defaultdict(int)
dp[X] = 1

for i in range(n):
    new_dp = defaultdict(int)

    for x in dp:
        mod_x = x % s[i]
        new_dp[x] += dp[x] * (n - i - 1)
        new_dp[mod_x] += dp[x]

    dp = new_dp

total = 0
for x in dp:
    total += dp[x] * x

total %= mod

print(total)

Buggy python submission (verdict: Runtime Error):
# -*- coding: utf-8 -*-

from itertools import permutations
from multiprocessing import Pool
import multiprocessing as multi

n, x = map(int, input().split())
s = list(map(int, input().split()))


def process(s_l):
    xx = x
    for ss in s_l:
        if xx < ss:
            continue
        xx = xx % ss
    return xx


p = Pool(multi.cpu_count())
result = p.map(process, [s_p for s_p in permutations(s)])
p.close()

print(sum(result) % 1000000007)


Fixed submission:
# -*- coding: utf-8 -*-

from collections import defaultdict


n, X = map(int, input().split())
s = list(map(int, input().split()))
s = sorted(s, reverse=True)

mod = 10 ** 9 + 7

dp = defaultdict(int)
dp[X] = 1

for i in range(n):
    new_dp = defaultdict(int)

    for x in dp:
        mod_x = x % s[i]
        new_dp[x] += dp[x] * (n - i - 1)
        new_dp[mod_x] += dp[x]

    dp = new_dp

total = 0
for x in dp:
    total += dp[x] * x

total %= mod

print(total)
Buggy python submission (verdict: Runtime Error):
# -*- coding: utf-8 -*-
dct = {}
d = {}
d2 = {}
ll = [0,1,2,3,4]

for i in range(5):
    inp = int(input())
    if inp % 10 != 0:
        d[i] = inp % 10
        d2[i] = inp
        dct[i] = int(inp/10)*10+10
    else:
        dct[i] = inp

last = sorted(d.items(), key=lambda x: x[1])[0][0]

ll.remove(last)

ans = d2[last]

for i in ll:
    ans += dct[i]

print(ans)


Fixed submission:
# -*- coding: utf-8 -*-
dct = {}
d = {}
d2 = {}
ll = [0,1,2,3,4]

for i in range(5):
    inp = int(input())
    if inp % 10 != 0:
        d[i] = inp % 10
        d2[i] = inp
        dct[i] = int(inp/10)*10+10
    else:
        dct[i] = inp

if len(d) == 0:
    ans = 0
else:
    last = sorted(d.items(), key=lambda x: x[1])[0][0]
    ll.remove(last)
    ans = d2[last]

for i in ll:
    ans += dct[i]

print(ans)

Buggy python submission (verdict: Runtime Error):
A, B, C, D, E = [int(input()) for _ in range(5)]

menu = [A, B, C, D, E]

time_dig = [-(-food // 10) for food in menu]
time_min_mod_10 = min([_ % 10 for _ in menu if _ % 10 != 0])

print((sum(time_dig) - 1) * 10 + time_min_mod_10)

Fixed submission:
A, B, C, D, E = [int(input()) for _ in range(5)]

menu = [A, B, C, D, E]

time_dig = [-(-food // 10) for food in menu]
time_mod_10 = [_ % 10 for _ in menu if _ % 10 != 0]
time_mod_10.append(10)

print((sum(time_dig) - 1) * 10 + min(time_mod_10))
Buggy python submission (verdict: Time Limit Exceeded):
X, Y, Z, K = [int(_) for _ in input().split()]
As = [int(_) for _ in input().split()]
Bs = [int(_) for _ in input().split()]
Cs = [int(_) for _ in input().split()]

As.sort()
Bs.sort()
Cs.sort()

choice_stack = [(len(As) - 1, len(Bs) - 1, len(Cs) - 1)]
choice_stack_next = []
choice_log = set()
sums = []

j = 0
while True:
    for Ai, Bi, Ci in choice_stack:
        sums.append(As[Ai] + Bs[Bi] + Cs[Ci])
        cA = (max(0, Ai - 1), Bi, Ci)
        cB = (Ai, max(0, Bi - 1), Ci)
        cC = (Ai, Bi, max(0, Ci - 1))
        if not (cA in choice_log):
            choice_stack_next.append(cA)
            choice_log.add(cA)
        if not (cB in choice_log):
            choice_stack_next.append(cB)
            choice_log.add(cB)
        if not (cC in choice_log):
            choice_stack_next.append(cC)
            choice_log.add(cC)

    sums.sort()
    print(sums.pop())
    choice_stack = [_ for _ in choice_stack_next]
    choice_stack_next.clear()
    j += 1
    if j >= K:
        break


Fixed submission:
X, Y, Z, K = [int(_) for _ in input().split()]
As = [int(_) for _ in input().split()]
Bs = [int(_) for _ in input().split()]
Cs = [int(_) for _ in input().split()]

As.sort()
Bs.sort()
Cs.sort()

choice_stack = [(As[-1] + Bs[-1] + Cs[-1], len(As) - 1, len(Bs) - 1, len(Cs) - 1)]
choice_log = set()

j = 0
while True:
    choice_stack.sort()
    chosen_sum, Ai, Bi, Ci = choice_stack.pop()

    print(chosen_sum)

    step_A = (As[max(0, Ai - 1)] + Bs[Bi] + Cs[Ci], max(0, Ai - 1), Bi, Ci)
    step_B = (As[Ai] + Bs[max(0, Bi - 1)] + Cs[Ci], Ai, max(0, Bi - 1), Ci)
    step_C = (As[Ai] + Bs[Bi] + Cs[max(0, Ci - 1)], Ai, Bi, max(0, Ci - 1))

    if not (step_A in choice_log):
        choice_stack.append(step_A)
        choice_log.add(step_A)
    if not (step_B in choice_log):
        choice_stack.append(step_B)
        choice_log.add(step_B)
    if not (step_C in choice_log):
        choice_stack.append(step_C)
        choice_log.add(step_C)

    j += 1
    if j >= K:
        break
Buggy python submission (verdict: Runtime Error):
S = input()

AGCT = {"A", "G", "C", "T"}

j = 0
l = 0
l_log = []

while j < len(S):
    if S[j] in AGCT:
        j += 1
        l += 1
    else:
        l_log.append(l)
        l = 0
        j += 1

print(max(l_log))


Fixed submission:
S = input()

AGCT = {"A", "G", "C", "T"}

j = 0
l = 0
l_log = []

while j < len(S):
    if S[j] in AGCT:
        l += 1
        if j == len(S) - 1:
            l_log.append(l)
    else:
        l_log.append(l)
        l = 0
    j += 1

print(max(l_log))
Buggy python submission (verdict: Runtime Error):
from scipy.misc import comb

N = int(input())
S = input()

kind = set(S)
each_char =[]

for char in kind:
    each_char.append(S.count(char))

length = len(kind)
over_stock = len(S) - len(kind)

count = 0
for i in range(over_stock + 1):
    count += (2 ** (length - i)) * comb(over_stock, i, exact=True) % (10 ** 9 + 7)

print((count - 1) % (10 ** 9 + 7))

Fixed submission:
N = int(input())
S = input()

mod = 10 ** 9 + 7

kind = set(S)
each_char = []

for char in kind:
    each_char.append(S.count(char))

count = 1
for i in each_char:
    count = (count % mod) * ((i + 1) % mod) % mod

print((count - 1) % mod)

Buggy python submission (verdict: Runtime Error):
from scipy.misc import comb

N = int(input())
S = input()

kind = set(S)
each_char =[]

for char in kind:
    each_char.append(S.count(char))

length = len(kind)
over_stock = len(S) - len(kind)

count = 0
for i in range(over_stock + 1):
    count += (2 ** (length - i)) * comb(over_stock, i, exact=True)

print(count - 1)

Fixed submission:
N = int(input())
S = input()

mod = 10 ** 9 + 7

kind = set(S)
each_char = []

for char in kind:
    each_char.append(S.count(char))

count = 1
for i in each_char:
    count = (count % mod) * ((i + 1) % mod) % mod

print((count - 1) % mod)

Buggy python submission (verdict: Runtime Error):
from scipy.special import comb

N = int(input())
S = input()

kind = set(S)
each_char =[]

for char in kind:
    each_char.append(S.count(char))

length = len(kind)
over_stock = len(S) - len(kind)

count = 0
for i in range(over_stock + 1):
    count += (2 ** (length - i)) * comb(over_stock, i, exact=True)

print(count - 1)

Fixed submission:
N = int(input())
S = input()

mod = 10 ** 9 + 7

kind = set(S)
each_char = []

for char in kind:
    each_char.append(S.count(char))

count = 1
for i in each_char:
    count = (count % mod) * ((i + 1) % mod) % mod

print((count - 1) % mod)
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
A = [int(_) for _ in input().split()]

accumulation_plus = [A[0]]
accumulation_xor = [A[0]]

count = 0

for A_i in A[1:]:
    A_plus = accumulation_plus[-1] + A_i
    accumulation_plus.append(A_plus)

    A_xor = accumulation_xor[-1] ^ A_i
    accumulation_xor.append(A_xor)

    if A_plus == A_xor:
        count += 1

accumulation_plus_box = []
accumulation_xor_box = []

for A_i in A:
    for ac_plus, ac_xor in zip(accumulation_plus, accumulation_xor):
        A_plus_minus = ac_plus - A_i
        accumulation_plus_box.append(A_plus_minus)

        A_xor_minus = ac_xor ^ A_i
        accumulation_xor_box.append(A_xor_minus)

        if A_plus_minus == A_xor_minus:
            count += 1

    accumulation_plus = accumulation_plus_box[1:]
    accumulation_xor = accumulation_xor_box[1:]
    accumulation_plus_box = []
    accumulation_xor_box = []

print(count  - N + 1)


Fixed submission:
N = int(input())
A = [int(_) for _ in input().split()]

r = 0
l_r_max = []
A_plus = 0
A_xor = 0
flag = 0

for l in range(N):
    while r < N:
        A_plus += (A[r] if flag == 0 else -A[l - 1])
        A_xor ^= (A[r] if flag == 0 else A[l - 1])

        if A_plus == A_xor:
            r += 1
            flag = 0
            continue
        else:
            flag = 1
            break

    l_r_max.append(r - l)

print(sum(l_r_max))
Buggy python submission (verdict: Runtime Error):
N, H = [int(_) for _ in input().split()]
katana = [[int(_) for _ in input().split()] for _ in range(N)]

katana.sort(key=lambda x:x[1], reverse=True)
a_max_katana = max(katana)

a_max = a_max_katana[0]
a_max_b = a_max_katana[1]
a_max_index = katana.index(a_max_katana)
katana.pop(a_max_index)

count = 0
j = 0

while H > a_max_b:
    katana_use = katana[j]
    if katana_use[1] < a_max or j == N - 2:
        count += max(0, (H - a_max_b) // a_max + bool((H - a_max_b) % a_max)) + 1
        break
    else:
        H -= katana_use[1]
        count += 1
        j += 1
else:
    count += 1

print(count)

Fixed submission:
N, H = [int(_) for _ in input().split()]
katana = [[int(_) for _ in input().split()] for _ in range(N)]

katana.sort(key=lambda x:x[1], reverse=True)
a_max_katana = max(katana)

a_max = a_max_katana[0]
a_max_b = a_max_katana[1]
katana.pop(katana.index(a_max_katana))

count = 0

for katana_use in katana:
    if katana_use[1] > a_max:
        H -= katana_use[1]
        count += 1
        if H > a_max_b:
            continue
        else:
            count += 1
            break
    else:
        count += (H - a_max_b) // a_max + bool((H - a_max_b) % a_max) + 1
        break

else:
    count += (H - a_max_b) // a_max + bool((H - a_max_b) % a_max) + 1

print(count)