Buggy python submission (verdict: Time Limit Exceeded):
N, M, K = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
a = [0]*(N+1)
b = [0]*(M+1)

#累積和の計算
for i in range(1, N+1):
    a[i] = a[i-1] + A[i-1]
for j in range(1, M+1):
    b[j] = b[j-1] + B[j-1]

ans = 0
j = M
for i in range(N+1):
    left = 0
    right = j
    if K - a[i] < 0:
        break
    while left < right:
        mid = (left + right)//2
        if b[mid] < K - a[i]:
            left = mid + 1
        elif b[mid] > K - a[i]:
            right = mid - 1
    if b[left] <= K - a[i]:
        j = left
    else:
        j = left - 1
    ans = max(ans, i + j)
print(ans)

Fixed submission:
N, M, K = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
a = [0]*(N+1)
b = [0]*(M+1)
for i in range(1, N+1):
    a[i] = a[i-1] + A[i-1]
for j in range(1, M+1):
    b[j] = b[j-1] + B[j-1]

ans = 0
j = M
for i in range(N+1):
    if K - a[i] < 0:
        break
    while b[j] > K - a[i]:
        j -= 1
    ans = max(ans, i+j)
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
N, M, K = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
a = [0]*(N+1)
b = [0]*(M+1)

#累積和の計算
for i in range(1, N+1):
    a[i] = a[i-1] + A[i-1]
for j in range(1, M+1):
    b[j] = b[j-1] + B[j-1]

ans = 0
j = M
for i in range(N+1):
    left = 0
    right = j
    if K - a[i] < 0:
        break
    while left < right:
        mid = (left + right)//2
        if b[mid] < K - a[i]:
            left = mid + 1
        elif b[mid] > K - a[i]:
            right = mid - 1
    if b[left] <= K - a[i]:
        j = left
    else:
        j = left - 1
    ans = max(ans, i + j)
print(ans)

Fixed submission:
N, M, K = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
a = [0]*(N+1)
b = [0]*(M+1)
for i in range(1, N+1):
    a[i] = a[i-1] + A[i-1]
for j in range(1, M+1):
    b[j] = b[j-1] + B[j-1]

ans = 0
j = M
for i in range(N+1):
    if K - a[i] < 0:
        break
    while b[j] > K - a[i]:
        j -= 1
    ans = max(ans, i+j)
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
from sys import stdin
input = stdin.readline
N, M, K = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
a = [0]*(N+1)
b = [0]*(M+1)

#累積和の計算
for i in range(1, N+1):
    a[i] = a[i-1] + A[i-1]
for j in range(1, M+1):
    b[j] = b[j-1] + B[j-1]

ans = 0
for i in range(N+1):
    left = 0
    right = M
    if K - a[i] < 0:
        break
    while left < right:
        mid = (left + right)//2
        if b[mid] < K - a[i]:
            left = mid + 1
        elif b[mid] > K - a[i]:
            right = mid - 1
    if b[left] <= K - a[i]:
        j = left
    else:
        j = left - 1
    ans = max(ans, i + j)
print(ans)

Fixed submission:
N, M, K = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
a = [0]*(N+1)
b = [0]*(M+1)
for i in range(1, N+1):
    a[i] = a[i-1] + A[i-1]
for j in range(1, M+1):
    b[j] = b[j-1] + B[j-1]

ans = 0
j = M
for i in range(N+1):
    if K - a[i] < 0:
        break
    while b[j] > K - a[i]:
        j -= 1
    ans = max(ans, i+j)
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
N, M, K = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
a = [0]*(N+1)
b = [0]*(M+1)

#累積和の計算
for i in range(1, N+1):
    a[i] = a[i-1] + A[i-1]
for j in range(1, M+1):
    b[j] = b[j-1] + B[j-1]

ans = 0
for i in range(N+1):
    left = 0
    right = M
    if K - a[i] < 0:
        break
    while left < right:
        mid = (left + right)//2
        if b[mid] < K - a[i]:
            left = mid + 1
        elif b[mid] > K - a[i]:
            right = mid - 1
    if b[left] <= K - a[i]:
        j = left
    else:
        j = left - 1
    ans = max(ans, i + j)
print(ans)

Fixed submission:
N, M, K = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
a = [0]*(N+1)
b = [0]*(M+1)
for i in range(1, N+1):
    a[i] = a[i-1] + A[i-1]
for j in range(1, M+1):
    b[j] = b[j-1] + B[j-1]

ans = 0
j = M
for i in range(N+1):
    if K - a[i] < 0:
        break
    while b[j] > K - a[i]:
        j -= 1
    ans = max(ans, i+j)
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
N, M, K = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
a = [0]*(N+1)
b = [0]*(M+1)

#累積和の計算
for i in range(1, N+1):
    a[i] = a[i-1] + A[i-1]
for j in range(1, M+1):
    b[j] = b[j-1] + B[j-1]

ans = 0
for i in range(N+1):
    left = 0
    right = M
    if K - a[i] < 0:
        break
    while left < right:
        mid = (left + right)//2
        if b[mid] < K - a[i]:
            left = mid + 1
        elif b[mid] > K - a[i]:
            right = mid - 1
    if b[left] <= K - a[i]:
        j = left
    else:
        j = left - 1
    ans = max(ans, i + j)
print(ans)

Fixed submission:
N, M, K = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
a = [0]*(N+1)
b = [0]*(M+1)
for i in range(1, N+1):
    a[i] = a[i-1] + A[i-1]
for j in range(1, M+1):
    b[j] = b[j-1] + B[j-1]

ans = 0
j = M
for i in range(N+1):
    if K - a[i] < 0:
        break
    while b[j] > K - a[i]:
        j -= 1
    ans = max(ans, i+j)
print(ans)

Buggy python submission (verdict: Runtime Error):
N, M, K = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
a = [0]*(N+1)
b = [0]*(M+1)

#累積和の計算
for i in range(1, N+1):
    a[i] = a[i-1] + A[i-1]
for j in range(1, M+1):
    b[j] = b[j-1] + B[j-1]

ans = 0
for i in range(N+1):
    left = 0
    right = M+1
    while left <= right:
        mid = (left + right)//2
        if b[mid] < K - a[i]:
            left = mid + 1
        elif b[mid] > K - a[i]:
            right = mid - 1
    if b[mid] <= K - a[i]:
        j = mid
    else:
        j = mid - 1
    ans = max(ans, i + j)
print(ans)

Fixed submission:
N, M, K = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
a = [0]*(N+1)
b = [0]*(M+1)
for i in range(1, N+1):
    a[i] = a[i-1] + A[i-1]
for j in range(1, M+1):
    b[j] = b[j-1] + B[j-1]

ans = 0
j = M
for i in range(N+1):
    if K - a[i] < 0:
        break
    while b[j] > K - a[i]:
        j -= 1
    ans = max(ans, i+j)
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
N, M, K = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
ans = 0
sum_a = 0
for i in range(len(A)+1):
    if i == 0:
        sum_a = 0
    else:
        sum_a += A[i-1]
    if sum_a > K:
        break
    sum_b = 0
    for j in range(len(B)+1):
        if j == 0:
            sum_b = 0
        else:
            sum_b += B[j-1]
        if sum_b > K - sum_a:#Bを全部読み切れない場合
            ans = max(ans, i+j-1)
            break
        if j == len(B): #Bを全部読み切れる場合
            ans = max(ans, i+j)
print(ans)

Fixed submission:
N, M, K = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
a = [0]*(N+1)
b = [0]*(M+1)
for i in range(1, N+1):
    a[i] = a[i-1] + A[i-1]
for j in range(1, M+1):
    b[j] = b[j-1] + B[j-1]

ans = 0
j = M
for i in range(N+1):
    if K - a[i] < 0:
        break
    while b[j] > K - a[i]:
        j -= 1
    ans = max(ans, i+j)
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
N, M, K = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
ans = 0
sum_a = 0
for i in range(len(A)+1):
    if i == 0:
        sum_a = 0
    else:
        sum_a += A[i-1]
    if sum_a > K:
        break
    sum_b = 0
    for j in range(len(B)+1):
        if j == 0:
            sum_b = 0
        else:
            sum_b += B[j-1]
        if sum_b > K - sum_a:#Bを全部読み切れない場合
            ans = max(ans, i+j-1)
            break
        if j == len(B): #Bを全部読み切れる場合
            ans = max(ans, i+j)
print(ans)

Fixed submission:
N, M, K = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
a = [0]*(N+1)
b = [0]*(M+1)
for i in range(1, N+1):
    a[i] = a[i-1] + A[i-1]
for j in range(1, M+1):
    b[j] = b[j-1] + B[j-1]

ans = 0
j = M
for i in range(N+1):
    if K - a[i] < 0:
        break
    while b[j] > K - a[i]:
        j -= 1
    ans = max(ans, i+j)
print(ans)

Buggy python submission (verdict: Runtime Error):
N, M, K = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
ans = 0
sum_a = 0
for i in range(len(A)+1):
    if i == 0:
        sum_a = 0
    else:
        sum_a += A[i-1]
        if sum_a > K:
            break
        sum_b = 0
    for j in range(len(B)):
        sum_b += B[j]
        if sum_b > K - sum_a:
            ans = max(ans, i+j)
            break
        if j == len(B)-1:
            ans = max(ans, i+j+1)
print(ans)

Fixed submission:
N, M, K = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
a = [0]*(N+1)
b = [0]*(M+1)
for i in range(1, N+1):
    a[i] = a[i-1] + A[i-1]
for j in range(1, M+1):
    b[j] = b[j-1] + B[j-1]

ans = 0
j = M
for i in range(N+1):
    if K - a[i] < 0:
        break
    while b[j] > K - a[i]:
        j -= 1
    ans = max(ans, i+j)
print(ans)

Buggy python submission (verdict: Runtime Error):
N, M, K = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
ans = 0
sum_a = 0
for i in range(len(A)+1):
    if i == 0:
        sum_a = 0
    else:
        sum_a += A[i-1]
        if sum_a > K:
            break
        sum_b = 0
    for j in range(len(B)):
        sum_b += B[j]
        if sum_b > K - sum_a:#Bを全部読み切れない場合
            ans = max(ans, i+j)
            break
        if j == len(B)-1: #Bを全部読み切れる場合
            ans = max(ans, i+j+1)
print(ans)

Fixed submission:
N, M, K = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
a = [0]*(N+1)
b = [0]*(M+1)
for i in range(1, N+1):
    a[i] = a[i-1] + A[i-1]
for j in range(1, M+1):
    b[j] = b[j-1] + B[j-1]

ans = 0
j = M
for i in range(N+1):
    if K - a[i] < 0:
        break
    while b[j] > K - a[i]:
        j -= 1
    ans = max(ans, i+j)
print(ans)

Buggy python submission (verdict: Runtime Error):
N, M, K = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
ans = 0
sum_a = 0
for i in range(-1, len(A)):
    if i == -1:
        sum_a = 0
    else:
        sum_a += A[i]
        if sum_a > K:
            break
        sum_b = 0
    for j in range(len(B)):
        sum_b += B[j]
        if sum_b > K - sum_a:#Bを全部読み切れない場合
            ans = max(ans, i+1+j)
            break
        if j == len(B)-1: #Bを全部読み切れる場合
            ans = max(ans, i+j+2)
print(ans)

Fixed submission:
N, M, K = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
a = [0]*(N+1)
b = [0]*(M+1)
for i in range(1, N+1):
    a[i] = a[i-1] + A[i-1]
for j in range(1, M+1):
    b[j] = b[j-1] + B[j-1]

ans = 0
j = M
for i in range(N+1):
    if K - a[i] < 0:
        break
    while b[j] > K - a[i]:
        j -= 1
    ans = max(ans, i+j)
print(ans)

Buggy python submission (verdict: Runtime Error):
N, M, K = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
ans = 0
sum_a = 0
for i in range(-1, len(A)):
    if i == -1:
        sum_a = 0
    else:
        sum_a += A[i]
        if sum_a > K:
            break
        sum_b = 0
    for j in range(len(B)):
        sum_b += B[j]
        if sum_b > K - sum_a:#Bを全部読み切れない場合
            ans = max(ans, i+1+j)
            print("i = {0}, j = {1}, i+j +1 = {2}".format(i, j, i+j+1))
            break
        if j == len(B)-1: #Bを全部読み切れる場合
            ans = max(ans, i+j+2)
print(ans)

Fixed submission:
N, M, K = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
a = [0]*(N+1)
b = [0]*(M+1)
for i in range(1, N+1):
    a[i] = a[i-1] + A[i-1]
for j in range(1, M+1):
    b[j] = b[j-1] + B[j-1]

ans = 0
j = M
for i in range(N+1):
    if K - a[i] < 0:
        break
    while b[j] > K - a[i]:
        j -= 1
    ans = max(ans, i+j)
print(ans)