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

sr = lambda: sys.stdin.readline().rstrip()
ir = lambda: int(sr())
lr = lambda: list(map(int, sr().split()))

N, K = lr()
A = np.array([0] + lr())
A_cum = A.cumsum()
beauties = []
for i, j in itertools.combinations(range(N+1), 2):
    beauties.append(A_cum[j] - A_cum[i])

beauties.sort(reverse=True)
j = 0
def check(x):
    return sum([x&y == x for y in beauties]) >= K

answer = 0
for i in range(40, -1, -1):
    if check(answer + (1 << i)):
        answer += 1 << i

print(answer)
# 00


Fixed submission:
import sys
import numpy as np
import itertools

sr = lambda: sys.stdin.readline().rstrip()
ir = lambda: int(sr())
lr = lambda: list(map(int, sr().split()))

N, K = lr()
A = np.array([0] + lr())
A_cum = A.cumsum()
beauties = []
for i, j in itertools.combinations(range(N+1), 2):
    beauties.append(A_cum[j] - A_cum[i])

beauties = np.array(beauties)
j = 0
def check(x):
    return np.sum(beauties&x == x) >= K

answer = 0
for i in range(40, -1, -1):
    if check(answer + (1 << i)):
        answer += 1 << i

print(answer)
# 00

Buggy python submission (verdict: Runtime Error):
import sys
import numpy as np
import itertools

sr = lambda: sys.stdin.readline().rstrip()
ir = lambda: int(sr())
lr = lambda: list(map(int, sr().split()))

N, K = lr()
A = np.array([0] + lr())
A_cum = A.cumsum()
beauties = []
for i, j in itertools.combinations(range(N+1), 2):
    beauties.append(A_cum[j] - A_cum[i])

beauties = np.array(beauties)
j = 0
def check(x):
    return np.sum(beauties&x == x) >= K

answer = 0
for i in range(40, -1, -1):
    if check(answer + 1 << i):
        answer += 1 << i

print(answer)
# 00


Fixed submission:
import sys
import numpy as np
import itertools

sr = lambda: sys.stdin.readline().rstrip()
ir = lambda: int(sr())
lr = lambda: list(map(int, sr().split()))

N, K = lr()
A = np.array([0] + lr())
A_cum = A.cumsum()
beauties = []
for i, j in itertools.combinations(range(N+1), 2):
    beauties.append(A_cum[j] - A_cum[i])

beauties = np.array(beauties)
j = 0
def check(x):
    return np.sum(beauties&x == x) >= K

answer = 0
for i in range(40, -1, -1):
    if check(answer + (1 << i)):
        answer += 1 << i

print(answer)
# 00

Buggy python submission (verdict: Runtime Error):
import sys
import numpy as np
import itertools

sr = lambda: sys.stdin.readline().rstrip()
ir = lambda: int(sr())
lr = lambda: list(map(int, sr().split()))

N, K = lr()
A = np.array([0] + lr())
A_cum = A.cumsum()
beauties = []
for i, j in itertools.combinations(range(N+1), 2):
    beauties.append(A_cum[j] - A_cum[i])

beauties.sort(reverse=True)
j = 0
def check(x):
    return sum([x&y == x for y in beauties]) >= K

answer = 0
for i in range(40, -1, -1):
    if check(answer + 1 << i):
        answer += 1 << i

print(answer)
# 00


Fixed submission:
import sys
import numpy as np
import itertools

sr = lambda: sys.stdin.readline().rstrip()
ir = lambda: int(sr())
lr = lambda: list(map(int, sr().split()))

N, K = lr()
A = np.array([0] + lr())
A_cum = A.cumsum()
beauties = []
for i, j in itertools.combinations(range(N+1), 2):
    beauties.append(A_cum[j] - A_cum[i])

beauties = np.array(beauties)
j = 0
def check(x):
    return np.sum(beauties&x == x) >= K

answer = 0
for i in range(40, -1, -1):
    if check(answer + (1 << i)):
        answer += 1 << i

print(answer)
# 00