Buggy python submission (verdict: Runtime Error):
# -*- coding: utf-8 -*-
from pprint import pprint
import itertools

N, K = map(int, input().split())
an = list(map(int, input().split()))

rui = [0]
tmp = 0
for a in an:
    rui.append(tmp+a)
    tmp += a

sum_list = [] 

for l in range(1,N+1):
    for r in range(l,N+1):
        tmp = rui[r] - rui[l-1]
        sum_list.append(tmp)

bin_list = [[0 for _ in range(32)] for _ in range(len(sum_list))]

for i,s in enumerate(sum_list):
    tmps = bin(s)[2:]
    for j, b in enumerate(reversed(tmps)):
        bin_list[i][j] = int(b)


Fixed submission:
# -*- coding: utf-8 -*-
from pprint import pprint
import itertools

N, K = map(int, input().split())
an = list(map(int, input().split()))

rui = [0]
tmp = 0
for a in an:
    rui.append(tmp+a)
    tmp += a

sum_list = [] 

for l in range(1,N+1):
    for r in range(l,N+1):
        tmp = rui[r] - rui[l-1]
        sum_list.append(tmp)

max_val = max(sum_list)
max_2pow = len(bin(max_val)[2:])
ans = 0
# print(ans,max_2pow)
while max_2pow > 0:
    tmp = ans + 2**(max_2pow-1)
    if sum([1 for v in sum_list if v & tmp == tmp]) >= K:
        ans += 2**(max_2pow-1)
    max_2pow -= 1

print(ans)

Buggy python submission (verdict: Runtime Error):
# -*- coding: utf-8 -*-
from pprint import pprint
import itertools

N, K = map(int, input().split())
an = list(map(int, input().split()))

rui = [0]
tmp = 0
for a in an:
    rui.append(tmp+a)
    tmp += a


sum_list = [] 

# print(rui)
for l in range(1,N+1):
    for r in range(l,N+1):
        tmp = rui[r] - rui[l-1]
        sum_list.append(tmp)

bin_list = [[0 for _ in range(32)] for _ in range(len(sum_list))]

for i,s in enumerate(sum_list):
    tmps = str(bin(s))[2:]
    for j, b in enumerate(reversed(tmps)):
        bin_list[i][j] = int(b)


Fixed submission:
# -*- coding: utf-8 -*-
from pprint import pprint
import itertools

N, K = map(int, input().split())
an = list(map(int, input().split()))

rui = [0]
tmp = 0
for a in an:
    rui.append(tmp+a)
    tmp += a

sum_list = [] 

for l in range(1,N+1):
    for r in range(l,N+1):
        tmp = rui[r] - rui[l-1]
        sum_list.append(tmp)

max_val = max(sum_list)
max_2pow = len(bin(max_val)[2:])
ans = 0
# print(ans,max_2pow)
while max_2pow > 0:
    tmp = ans + 2**(max_2pow-1)
    if sum([1 for v in sum_list if v & tmp == tmp]) >= K:
        ans += 2**(max_2pow-1)
    max_2pow -= 1

print(ans)

Buggy python submission (verdict: Runtime Error):
# -*- coding: utf-8 -*-
from pprint import pprint
import itertools

N, K = map(int, input().split())
an = list(map(int, input().split()))

rui = [0]
tmp = 0
for a in an:
    rui.append(tmp+a)
    tmp += a


sum_list = [] 

# print(rui)
for l in range(1,N+1):
    for r in range(l,N+1):
        tmp = rui[r] - rui[l-1]
        sum_list.append(tmp)

bin_list = [[0 for _ in range(32)] for _ in range(len(sum_list))]

for i,s in enumerate( sum_list):
    tmps = str(bin(s))[2:]
    for j,b in enumerate( reversed(tmps)):
        bin_list[i][j] = int(b)

# pprint(bin_list)

sum_bin = []
for j in range(32):
    tmp_bin = 0
    for i in range(len(sum_list)):
        tmp_bin += bin_list[i][j]
    sum_bin.append(tmp_bin)

# pprint(sum_bin)

max_keta = -1
for i,s in enumerate( sum_bin):
    if s >= K:
        max_keta = i

if max_keta == -1:
    print(0)
    exit()

sub_sum_list = [a for a in sum_list if 2**(max_keta) <= a < 2**(max_keta+1)]

# pprint(sub_sum_list)

ans_list = []
for c in itertools.combinations(sub_sum_list, K):
    ans = c[0]
    for s in c[1:K]:
        ans &= s

    ans_list.append(ans)

if len(ans_list) == 0:
    print(0)
else:
    print(max(ans_list))


Fixed submission:
# -*- coding: utf-8 -*-
from pprint import pprint
import itertools

N, K = map(int, input().split())
an = list(map(int, input().split()))

rui = [0]
tmp = 0
for a in an:
    rui.append(tmp+a)
    tmp += a

sum_list = [] 

for l in range(1,N+1):
    for r in range(l,N+1):
        tmp = rui[r] - rui[l-1]
        sum_list.append(tmp)

max_val = max(sum_list)
max_2pow = len(bin(max_val)[2:])
ans = 0
# print(ans,max_2pow)
while max_2pow > 0:
    tmp = ans + 2**(max_2pow-1)
    if sum([1 for v in sum_list if v & tmp == tmp]) >= K:
        ans += 2**(max_2pow-1)
    max_2pow -= 1

print(ans)

Buggy python submission (verdict: Runtime Error):
rint(rui)
for l in range(1,N+1):
    for r in range(l,N+1):
        tmp = rui[r] - rui[l-1]
        sum_list.append(tmp)

bin_list = [[0 for _ in range(32)] for _ in range(len(sum_list))]

for i,s in enumerate( sum_list):
    tmps = str(bin(s))[2:]
    for j,b in enumerate( reversed(tmps)):
        bin_list[i][j] = int(b)

# pprint(bin_list)

sum_bin = []
for j in range(32):
    tmp_bin = 0
    for i in range(len(sum_list)):
        tmp_bin += bin_list[i][j]
    sum_bin.append(tmp_bin)

# pprint(sum_bin)

max_keta = -1
for i,s in enumerate( sum_bin):
    if s >= K:
        max_keta = i

if max_keta == -1:
    print(0)
    exit()

sub_sum_list = [a for a in sum_list if 2**(max_keta) <= a < 2**(max_keta+1)]

# pprint(sub_sum_list)

ans_list = []
for c in itertools.combinations(sub_sum_list, K):
    ans = c[0]
    for s in c[1:K]:
        ans &= s

    ans_list.append(ans)

if len(ans_list) == 0:
    print(0)
else:
    print(max(ans_list))


Fixed submission:
# -*- coding: utf-8 -*-
from pprint import pprint
import itertools

N, K = map(int, input().split())
an = list(map(int, input().split()))

rui = [0]
tmp = 0
for a in an:
    rui.append(tmp+a)
    tmp += a

sum_list = [] 

for l in range(1,N+1):
    for r in range(l,N+1):
        tmp = rui[r] - rui[l-1]
        sum_list.append(tmp)

max_val = max(sum_list)
max_2pow = len(bin(max_val)[2:])
ans = 0
# print(ans,max_2pow)
while max_2pow > 0:
    tmp = ans + 2**(max_2pow-1)
    if sum([1 for v in sum_list if v & tmp == tmp]) >= K:
        ans += 2**(max_2pow-1)
    max_2pow -= 1

print(ans)

Buggy python submission (verdict: Runtime Error):
# -*- coding: utf-8 -*-
from pprint import pprint
import itertools

N, K = map(int, input().split())
an = list(map(int, input().split()))

rui = [0]
tmp = 0
for a in an:
    rui.append(tmp+a)
    tmp += a


sum_list = [] 

for l in range(1,N+1):
    for r in range(l,N+1):
        tmp = rui[r] - rui[l-1]
        sum_list.append(tmp)

bin_list = [[0 for _ in range(30)] for _ in range(len(sum_list))]

for i,s in enumerate( sum_list):
    tmps = str(bin(s))[2:]
    for j,b in enumerate( reversed(tmps)):
        bin_list[i][j] = int(b)

# pprint(bin_list)

sum_bin = []
for j in range(30):
    tmp_bin = 0
    for i in range(len(sum_list)):
        tmp_bin += bin_list[i][j]
    sum_bin.append(tmp_bin)

# pprint(sum_bin)

max_keta = -1
for i,s in enumerate( sum_bin):
    if s >= K:
        max_keta = i

if max_keta == -1:
    print(0)
    exit()

sub_sum_list = [a for a in sum_list if 2**(max_keta) <= a < 2**(max_keta+1)]

# pprint(sub_sum_list)

ans_list = []
for c in itertools.combinations(sub_sum_list, K):
    ans = c[0]
    for s in c[1:K]:
        ans &= s

    ans_list.append(ans)

if len(ans_list) == 0:
    print(0)
else:
    print(max(ans_list))


Fixed submission:
# -*- coding: utf-8 -*-
from pprint import pprint
import itertools

N, K = map(int, input().split())
an = list(map(int, input().split()))

rui = [0]
tmp = 0
for a in an:
    rui.append(tmp+a)
    tmp += a

sum_list = [] 

for l in range(1,N+1):
    for r in range(l,N+1):
        tmp = rui[r] - rui[l-1]
        sum_list.append(tmp)

max_val = max(sum_list)
max_2pow = len(bin(max_val)[2:])
ans = 0
# print(ans,max_2pow)
while max_2pow > 0:
    tmp = ans + 2**(max_2pow-1)
    if sum([1 for v in sum_list if v & tmp == tmp]) >= K:
        ans += 2**(max_2pow-1)
    max_2pow -= 1

print(ans)

Buggy python submission (verdict: Runtime Error):
# -*- coding: utf-8 -*-
from pprint import pprint
import itertools

N, K = map(int, input().split())
an = list(map(int, input().split()))

rui = [0]
tmp = 0
for a in an:
    rui.append(tmp+a)
    tmp += a


sum_list = [] 

for l in range(1,N+1):
    for r in range(l,N+1):
        tmp = rui[r] - rui[l-1]
        sum_list.append(tmp)

bin_list = [[0 for _ in range(30)] for _ in range(len(sum_list))]

for i,s in enumerate( sum_list):
    tmps = str(bin(s))[2:]
    for j,b in enumerate( reversed(tmps)):
        bin_list[i][j] = int(b)

# pprint(bin_list)

sum_bin = []
for j in range(30):
    tmp_bin = 0
    for i in range(len(sum_list)):
        tmp_bin += bin_list[i][j]
    sum_bin.append(tmp_bin)

# pprint(sum_bin)

max_keta = -1
for i,s in enumerate( sum_bin):
    if s >= K:
        max_keta = i

if max_keta == -1:
    print(0)
    exit()

sub_sum_list = [a for a in sum_list if 2**(max_keta) <= a < 2**(max_keta+1)]

# pprint(sub_sum_list)

ans_list = []
for c in itertools.combinations(sub_sum_list, K):
    ans = c[0]
    for s in c[1:K]:
        ans &= s

    ans_list.append(ans)

print(max(ans_list))


Fixed submission:
# -*- coding: utf-8 -*-
from pprint import pprint
import itertools

N, K = map(int, input().split())
an = list(map(int, input().split()))

rui = [0]
tmp = 0
for a in an:
    rui.append(tmp+a)
    tmp += a

sum_list = [] 

for l in range(1,N+1):
    for r in range(l,N+1):
        tmp = rui[r] - rui[l-1]
        sum_list.append(tmp)

max_val = max(sum_list)
max_2pow = len(bin(max_val)[2:])
ans = 0
# print(ans,max_2pow)
while max_2pow > 0:
    tmp = ans + 2**(max_2pow-1)
    if sum([1 for v in sum_list if v & tmp == tmp]) >= K:
        ans += 2**(max_2pow-1)
    max_2pow -= 1

print(ans)