Buggy python submission (verdict: Runtime Error):
from itertools import accumulate

n, m, k = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))

A = [0] + A
A = list(accumulate(A))

B = [0] + B
B = list(accumulate(B))

ans = 0
b_cnt = m
for a_cnt in range(n+1):
    if a_cnt > k: continue

    while A[a_cnt]+B[b_cnt] > k:
        b_cnt -= 1
    ans = max(ans, a_cnt+b_cnt)

print(ans)

Fixed submission:
from itertools import accumulate

n, m, k = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))

A = [0] + A
A = list(accumulate(A))

B = [0] + B
B = list(accumulate(B))

ans = 0
b_cnt = m
for a_cnt in range(n+1):
    if A[a_cnt] > k: continue

    while A[a_cnt]+B[b_cnt] > k:
        b_cnt -= 1
    ans = max(ans, a_cnt+b_cnt)

print(ans)

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

input = lambda: sys.stdin.readline().rstrip()

n, m, k = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))

cnt = 0
if A[0] < B[0] and A[0] <= k:
    cnt += 1
    k -= A[0]

idx_a = 1
idx_b = 0

while k > 0:
    if B[idx_b] > A[idx_a]:
        k -= A[idx_a]
        if k >= 0: cnt += 1
        if idx_a < n - 1: idx_a += 1

    if B[idx_b] < A[idx_a]:
        k -= B[idx_b]
        if k >= 0: cnt += 1
        if idx_b < m - 1: idx_b += 1

    if B[idx_b] == A[idx_a]:
        k -= A[idx_a]
        if k >= 0: cnt += 1
        if idx_a < n - 1: idx_a += 1
        
        k -= B[idx_b]
        if k >= 0: cnt += 1
        if idx_b < m - 1: idx_b += 1

print(cnt)


Fixed submission:
from itertools import accumulate

n, m, k = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))

A = [0] + A
A = list(accumulate(A))

B = [0] + B
B = list(accumulate(B))

ans = 0
b_cnt = m
for a_cnt in range(n+1):
    if A[a_cnt] > k: continue

    while A[a_cnt]+B[b_cnt] > k:
        b_cnt -= 1
    ans = max(ans, a_cnt+b_cnt)

print(ans)

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

input = lambda: sys.stdin.readline().rstrip()

n, m, k = map(int, input().split())
A = sorted(list(map(int, input().split())))
B = sorted(list(map(int, input().split())))

cnt = 0
if A[0] < B[0] and A[0] <= k:
    cnt += 1
    k -= A[0]

idx_a = 1
idx_b = 0

while k > 0:
    if B[idx_b] > A[idx_a]:
        k -= A[idx_a]
        if k >= 0: cnt += 1
        if idx_a < n - 1: idx_a += 1

    if B[idx_b] < A[idx_a]:
        k -= B[idx_b]
        if k >= 0: cnt += 1
        if idx_b < m - 1: idx_b += 1

    if B[idx_b] == A[idx_a]:
        k -= A[idx_a]
        if k >= 0: cnt += 1
        if idx_a < n - 1: idx_a += 1
        
        k -= B[idx_b]
        if k >= 0: cnt += 1
        if idx_b < m - 1: idx_b += 1

print(cnt)

Fixed submission:
from itertools import accumulate

n, m, k = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))

A = [0] + A
A = list(accumulate(A))

B = [0] + B
B = list(accumulate(B))

ans = 0
b_cnt = m
for a_cnt in range(n+1):
    if A[a_cnt] > k: continue

    while A[a_cnt]+B[b_cnt] > k:
        b_cnt -= 1
    ans = max(ans, a_cnt+b_cnt)

print(ans)

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

input = lambda: sys.stdin.readline().rstrip()

n, m, k = map(int, input().split())
A = sorted(list(map(int, input().split())))
B = sorted(list(map(int, input().split())))

cnt = 0
if A[0] < B[0] and A[0] <= k:
    cnt += 1
    k -= A[0]

idx_a = 1
idx_b = 0

while k >= 0:
    if B[idx_b] > A[idx_a]:
        k -= A[idx_a]
        if k >= 0: cnt += 1
        if idx_a < n - 1: idx_a += 1

    if B[idx_b] < A[idx_a]:
        k -= B[idx_b]
        if k >= 0: cnt += 1
        if idx_b < m - 1: idx_b += 1

    if B[idx_b] == A[idx_a]:
        k -= A[idx_a]
        k -= B[idx_b]
        if k >= 0: cnt += 2
        if idx_a < n - 1: idx_a += 1
        if idx_b < m - 1: idx_b += 1

print(cnt)

Fixed submission:
from itertools import accumulate

n, m, k = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))

A = [0] + A
A = list(accumulate(A))

B = [0] + B
B = list(accumulate(B))

ans = 0
b_cnt = m
for a_cnt in range(n+1):
    if A[a_cnt] > k: continue

    while A[a_cnt]+B[b_cnt] > k:
        b_cnt -= 1
    ans = max(ans, a_cnt+b_cnt)

print(ans)

Buggy python submission (verdict: Runtime Error):
import sys
input = lambda: sys.stdin.readline().rstrip()

n, m, k = map(int, input().split())
A = sorted(list(map(int, input().split())))
B = sorted(list(map(int, input().split())))

cnt = 0
if A[0] < B[0] and A[0] <= k:
    cnt += 1
    k -= A[0]

idx_a = 1
idx_b = 0

while k >= 0:
    if B[idx_b] > A[idx_a]:
        k -= A[idx_a]
        if k >= 0: cnt += 1
        if idx_a < n-1: idx_a += 1

    if B[idx_b] < A[idx_a]:
        k -= B[idx_b]
        if k >= 0: cnt += 1
        if idx_b < m-1: idx_b += 1
        
    if B[idx_b] == A[idx_a]:
        k -= A[idx_a]
        if k >= 0: cnt += 2
        if idx_a < n - 1: idx_a += 1
        if idx_b < m - 1: idx_b += 1

print(cnt)

Fixed submission:
from itertools import accumulate

n, m, k = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))

A = [0] + A
A = list(accumulate(A))

B = [0] + B
B = list(accumulate(B))

ans = 0
b_cnt = m
for a_cnt in range(n+1):
    if A[a_cnt] > k: continue

    while A[a_cnt]+B[b_cnt] > k:
        b_cnt -= 1
    ans = max(ans, a_cnt+b_cnt)

print(ans)

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

input = lambda: sys.stdin.readline().rstrip()

n, m, k = map(int, input().split())
A = sorted(list(map(int, input().split())))
B = sorted(list(map(int, input().split())))

cnt = 0
if A[0] < B[0] and A[0] <= k:
    cnt += 1
    k -= A[0]

idx_a = 1
idx_b = 0
while k >= 0:
  if B[idx_b] > A[idx_a]:
    k -= A[idx_a]
    if k >= 0: cnt += 1
    if idx_a < n-1: idx_a += 1

  else:
    k -= B[idx_b]
    if k >= 0: cnt += 1
    if idx_b < m-1: idx_b += 1
        
print(cnt)

Fixed submission:
from itertools import accumulate

n, m, k = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))

A = [0] + A
A = list(accumulate(A))

B = [0] + B
B = list(accumulate(B))

ans = 0
b_cnt = m
for a_cnt in range(n+1):
    if A[a_cnt] > k: continue

    while A[a_cnt]+B[b_cnt] > k:
        b_cnt -= 1
    ans = max(ans, a_cnt+b_cnt)

print(ans)