Buggy python submission (verdict: Time Limit Exceeded):
from functools import lru_cache
import sys
input = sys.stdin.readline


@lru_cache(None)
def int_bitmap(n: int, size=32) -> tuple:
    table = [0] * size
    for i in range(size):
        table[i] = (n >> i) & 1
    return tuple(table)


@lru_cache(None)
def add_array(A: tuple, B: tuple) -> tuple:
    if len(A) != len(B):
        return tuple()
    else:
        return tuple([a + b for a, b in zip(A, B)])


@lru_cache(None)
def sub_array(A: tuple, B: tuple) -> tuple:
    if len(A) != len(B):
        return -1
    else:
        return tuple([a - b for a, b in zip(A, B)])


def bin_search(A, start, end):
    left, right = start, end
    while left < right:
        mid = (left + right) // 2
        if max(sub_array(A[end], A[mid])) < 2:  # midが条件を満たすとき、左をmidに置き換える
            right = mid
        elif max(sub_array(A[end], A[mid])) > 1:  # midを満たさないとき、左をmidに置き換える
            left = mid + 1
    return left


n = int(input())
_A = [int_bitmap(int(i), 20) for i in input().split()]

cusum = [None]
cusum[0] = int_bitmap(int(0), 20)

ans = 0

# pre-processsing for cul_sum
for i in range(1, n + 1):
    cusum.append(add_array(cusum[i - 1], _A[i - 1]))

for i in range(1, n + 1):

    if max(cusum[i]) < 2:
        ans += i
    # 右端をiとしたときに条件を満たす最長区間を２分探索する
    else:
        p = bin_search(cusum, 0, i)
        ans += (i - p)

print(ans)


Fixed submission:
import sys
input = sys.stdin.readline


n = int(input())
A = [int(i) for i in input().split()]
_sum = 0
_xor = 0
l, r = 0, 0
ans = 0
while l < n:
    while r < n and _sum + A[r] == _xor ^ A[r]:
        _sum += A[r]
        _xor ^= A[r]
        r += 1
    ans += r - l
    _sum -= A[l]
    _xor ^= A[l]
    if l == r:
        r += 1
    l += 1

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
from functools import lru_cache
import sys
input = sys.stdin.readline


@lru_cache(None)
def int_bitmap(n: int, size=32) -> list:
    table = [0] * size
    for i in range(size):
        table[i] = (n >> i) & 1
    return table


def add_array(A: list, B: list) -> list:
    if len(A) != len(B):
        return -1
    else:
        return [a + b for a, b in zip(A, B)]


def sub_array(A: list, B: list) -> list:
    if len(A) != len(B):
        return -1
    else:
        return [a - b for a, b in zip(A, B)]


def bin_search(A, start, end):
    left, right = start, end
    while left < right:
        mid = (left + right) // 2
        if max(sub_array(A[end], A[mid])) < 2:  # midが条件を満たすとき、左をmidに置き換える
            right = mid
        elif max(sub_array(A[end], A[mid])) > 1:  # midを満たさないとき、左をmidに置き換える
            left = mid + 1
    return left


n = int(input())
_A = [int_bitmap(int(i), 20) for i in input().split()]

cusum = [None]
cusum[0] = int_bitmap(int(0), 20)

ans = 0

# pre-processsing for cul_sum
for i in range(1, n + 1):
    cusum.append(add_array(cusum[i - 1], _A[i - 1]))

for i in range(1, n + 1):

    if max(cusum[i]) < 2:
        ans += i
    # 右端をiとしたときに条件を満たす最長区間を２分探索する
    else:
        p = bin_search(cusum, 0, i)
        ans += (i - p)

print(ans)


Fixed submission:
import sys
input = sys.stdin.readline


n = int(input())
A = [int(i) for i in input().split()]
_sum = 0
_xor = 0
l, r = 0, 0
ans = 0
while l < n:
    while r < n and _sum + A[r] == _xor ^ A[r]:
        _sum += A[r]
        _xor ^= A[r]
        r += 1
    ans += r - l
    _sum -= A[l]
    _xor ^= A[l]
    if l == r:
        r += 1
    l += 1

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
def int_bitmap(n: int, size=32) -> list:
    table = [0] * size
    for i in range(size):
        table[i] = (n >> i) & 1
    return table


def add_array(A: list, B: list) -> list:
    if len(A) != len(B):
        return -1
    else:
        return [a + b for a, b in zip(A, B)]


def sub_array(A: list, B: list) -> list:
    if len(A) != len(B):
        return -1
    else:
        return [a - b for a, b in zip(A, B)]


def bin_search(A, start, end):
    left, right = start, end
    while left < right:
        mid = (left + right) // 2
        if max(sub_array(A[end], A[mid])) < 2:  # midが条件を満たすとき、左をmidに置き換える
            right = mid
        elif max(sub_array(A[end], A[mid])) > 1:  # midを満たさないとき、左をmidに置き換える
            left = mid + 1
    return left


n = int(input())
_A = [int_bitmap(int(i), 20) for i in input().split()]

cusum = [int_bitmap(int(0), 20) for _ in range(n + 1)]

ans = 0

# pre-processsing for cul_sum
for i in range(1, n + 1):
    cusum[i] = add_array(cusum[i - 1], _A[i - 1])

for i in range(1, n + 1):
    # 右端をiとしたときに条件を満たす最長区間を２分探索する
    p = bin_search(cusum, 0, i)
    ans += (i - p)

print(ans)


Fixed submission:
import sys
input = sys.stdin.readline


n = int(input())
A = [int(i) for i in input().split()]
_sum = 0
_xor = 0
l, r = 0, 0
ans = 0
while l < n:
    while r < n and _sum + A[r] == _xor ^ A[r]:
        _sum += A[r]
        _xor ^= A[r]
        r += 1
    ans += r - l
    _sum -= A[l]
    _xor ^= A[l]
    if l == r:
        r += 1
    l += 1

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
import numpy as np


def int_bitmap(n: int, size=32) -> list:
    table = np.array([0] * size)
    for i in range(size):
        table[i] = (n >> i) & 1
    return table


def bin_search(A, start, end):
    left, right = start, end
    while left < right:
        mid = (left + right) // 2
        if max(A[end] - A[mid]) < 2:  # midが条件を満たすとき、左をmidに置き換える
            right = mid
        elif max(A[end] - A[mid]) > 1:  # midを満たさないとき、左をmidに置き換える
            left = mid + 1
    return left


n = int(input())
_A = [int_bitmap(int(i), 20) for i in input().split()]

cul_sum = [int_bitmap(int(0), 20) for _ in range(n + 1)]

ans = 0

# pre-processsing for cul_sum
for i in range(1, n + 1):
    cul_sum[i] = cul_sum[i - 1] + _A[i - 1]

for i in range(1, n + 1):
    # 右端をiとしたときに条件を満たす最長区間を２分探索する
    p = bin_search(cul_sum, 0, i)
    ans += (i - p)

print(ans)


Fixed submission:
import sys
input = sys.stdin.readline


n = int(input())
A = [int(i) for i in input().split()]
_sum = 0
_xor = 0
l, r = 0, 0
ans = 0
while l < n:
    while r < n and _sum + A[r] == _xor ^ A[r]:
        _sum += A[r]
        _xor ^= A[r]
        r += 1
    ans += r - l
    _sum -= A[l]
    _xor ^= A[l]
    if l == r:
        r += 1
    l += 1

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
A = [int(i) for i in input().split()]

ans = 0
for i in range(n):
    ans += 1
    _xor = A[i]
    _sum = A[i]
    for j in range(i + 1, n):
        _sum += A[j]
        _xor ^= A[j]
        if _sum == _xor:
            ans += 1
        else:
            break
print(ans)


Fixed submission:
import sys
input = sys.stdin.readline


n = int(input())
A = [int(i) for i in input().split()]
_sum = 0
_xor = 0
l, r = 0, 0
ans = 0
while l < n:
    while r < n and _sum + A[r] == _xor ^ A[r]:
        _sum += A[r]
        _xor ^= A[r]
        r += 1
    ans += r - l
    _sum -= A[l]
    _xor ^= A[l]
    if l == r:
        r += 1
    l += 1

print(ans)