Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Time Limit Exceeded):
from collections import defaultdict
from itertools import combinations
dic = defaultdict(lambda : 0)
n = int(input())
for _ in range(n):
    str = ''.join(sorted(input()))
    dic[str] += 1
count = 0
memos = defaultdict(lambda : 0)
for key in dic.keys():
    value = dic[key]
    if not value in memos.keys():
        x = len([i for i in combinations(range(value),2)])
        memos[value] = x
    else:
        x = memos[value]
    count += x
print(count)

Fixed submission:
from collections import defaultdict
dic = defaultdict(lambda : 0)
n = int(input())
for _ in range(n):
    str = ''.join(sorted(input()))
    dic[str] += 1
count = 0
memos = defaultdict(lambda : 0)
for key in dic.keys():
    value = dic[key]
    if not value in memos.keys():
        x = value*(value-1)/2
        memos[value] = int(x)
    else:
        x = memos[value]
    count += x
print(int(count))

Buggy python submission (verdict: Time Limit Exceeded):
from collections import defaultdict
from itertools import combinations
dic = defaultdict(lambda : 0)
n = int(input())
for _ in range(n):
    str = ''.join(sorted(input()))
    dic[str] += 1
count = 0
for key in dic.keys():
    count += len([i for i in combinations(range(dic[key]),2)])
print(count)

Fixed submission:
from collections import defaultdict
dic = defaultdict(lambda : 0)
n = int(input())
for _ in range(n):
    str = ''.join(sorted(input()))
    dic[str] += 1
count = 0
memos = defaultdict(lambda : 0)
for key in dic.keys():
    value = dic[key]
    if not value in memos.keys():
        x = value*(value-1)/2
        memos[value] = int(x)
    else:
        x = memos[value]
    count += x
print(int(count))
Buggy python submission (verdict: Time Limit Exceeded):
import sys
import numpy as np
n = int(input())
hight = np.array([int(i) for i in input().split()])
if n == 1:
    print('Yes')
    sys.exit()

diff = np.diff(hight)
if min(diff) < -1:
    print('No')
    sys.exit()

nonzero = np.nonzero(diff == -1)[0]
if len(nonzero) > 1:
    for i,j in enumerate(nonzero):
        for k in nonzero[i+1:]:
            if k == j+1:
                print('No')
                sys.exit()
print('Yes')

Fixed submission:
n = int(input())
h = [int(i) for i in input().split()]
h.reverse()
next = h[0]
import sys
for i in h[1:]:
    if i - next > 1:
        print('No')
        sys.exit()
    elif i - next == 1:
        next = i - 1
    else:
        next = i
print('Yes')

Buggy python submission (verdict: Runtime Error):
import numpy as np
import sys
n = int(input())
h = [int(i) for i in input().split()]
if n == 1:
    print('Yes')
    sys.exit()

diff_h = np.diff(h)
diff_h[diff_h >= 0] = 0
if np.count_nonzero(diff_h) > 1:
    print('No')
elif np.min(diff_h) < -1:
    print('No')
else:
    a = diff_h.nonzero()
    a = a[0][0]
    if (h[a] == h[a-1]) and a>0:
        print('No')
    else:
        print('Yes')

Fixed submission:
n = int(input())
h = [int(i) for i in input().split()]
h.reverse()
next = h[0]
import sys
for i in h[1:]:
    if i - next > 1:
        print('No')
        sys.exit()
    elif i - next == 1:
        next = i - 1
    else:
        next = i
print('Yes')
Buggy python submission (verdict: Runtime Error):
s = input()
print('YES') if (s.count('o')+15-len(k) >= 8) else print('NO')

Fixed submission:
s = input()
print('YES') if (s.count('o')+15-len(s) >= 8) else print('NO')

Buggy python submission (verdict: Runtime Error):
s = input()
print('YES') if s.count('o')+15-k >= 8 else print('NO')

Fixed submission:
s = input()
print('YES') if (s.count('o')+15-len(s) >= 8) else print('NO')
Buggy python submission (verdict: Time Limit Exceeded):
import numpy as np
n, m = map(int, input().split())
cards = np.zeros(n)
for _ in range(m):
    left, right = map(int, input().split())
    cards[left-1:right] += 1
print(len(cards[cards == m]))

Fixed submission:
n, m = map(int, input().split())
left = []
right = []
for _ in range(m):
    l, r = map(int, input().split())
    left.append(l)
    right.append(r)
x = min(right) - max(left)
print(x+1) if x >=0 else print(0)

Buggy python submission (verdict: Time Limit Exceeded):
n, m = map(int, input().split())
cards = {i for i in range(1,n+1)}
for _ in range(m):
    left, right = map(int, input().split())
    cards &= {i for i in range(left, right+1)}
print(len(cards))

Fixed submission:
n, m = map(int, input().split())
left = []
right = []
for _ in range(m):
    l, r = map(int, input().split())
    left.append(l)
    right.append(r)
x = min(right) - max(left)
print(x+1) if x >=0 else print(0)
Buggy python submission (verdict: Runtime Error):
a = input().split()
n, k, s = a
k = int(k)
print(s.replace(s[k-1], s[k-1].lower()))

Fixed submission:
n, k = [int(i) for i in input().split()]
s = input()
if k == 1:
    print(s[0].lower() + s[1:])
else:
    print(s[0:k-1] + s[k-1].lower() + s[k:])
Buggy python submission (verdict: Runtime Error):
A, B, T = map(int, input().split())

def biscuit_gen(A,B,T):
    total = 0
    num = int(T//A)
    return B*num

print(biscuit_gen(A,B,t))

Fixed submission:
A, B, T = map(int, input().split())

def biscuit_gen(A,B,T):
    total = 0
    num = int(T//A)
    return B*num

n = biscuit_gen(A,B,T)
print(n)
Buggy python submission (verdict: Runtime Error):
jewel = [i for i in input().split('\n')]
value = [int(i) for i in jewel[1].split()]
cost = [int(i) for i in jewel[2].split()]
diff = [i-j for i,j in zip(value, cost)]
price = 0
for i in sorted(diff):
    if i>0:
        price += i

print(price)

Fixed submission:
jewel = int(input())
value = [int(i) for i in input().split()]
cost = [int(i) for i in input().split()]
diff = [i-j for i,j in zip(value, cost)]
price = 0
for i in sorted(diff):
    if i>0:
        price += i

print(price)
Buggy python submission (verdict: Runtime Error):
x = []
for i in input().split():
    x.append(int(i))

if x[4]-x[0] > x[5]:
    print(':(')
else:
    print('Yay!')

Fixed submission:
a, b, c, d, e, k = [int(input()) for i in range(6)]
if e-a > k:
    print(':(')
else:
    print('Yay!')

Buggy python submission (verdict: Runtime Error):
a, b, c, d, e, k = [int(i) for i in input().split()]
if e-a > k:
    print(':(')
else:
    print('Yay')

Fixed submission:
a, b, c, d, e, k = [int(input()) for i in range(6)]
if e-a > k:
    print(':(')
else:
    print('Yay!')

Buggy python submission (verdict: Runtime Error):
n = input().rsplit()
points = [int(i) for i in n]
dist = points[-2] - points[0]
if dist > points[-1]:
    print(':(')
else:
    print('Yay!')

Fixed submission:
a, b, c, d, e, k = [int(input()) for i in range(6)]
if e-a > k:
    print(':(')
else:
    print('Yay!')

Buggy python submission (verdict: Runtime Error):
n = input().rsplit()
points = [int(i) for i in n]
distances = []
for i in range(len(points)-2):
   dist = points[-2] - points[i]
   distances.append(dist)

if max(distances) > points[-1]:
    print(':(')
else:
    print('Yay!')

Fixed submission:
a, b, c, d, e, k = [int(input()) for i in range(6)]
if e-a > k:
    print(':(')
else:
    print('Yay!')
Buggy python submission (verdict: Time Limit Exceeded):
n, q = map(int, input().split())
s = input()
for _ in range(q):
    l, r = map(int, input().split())
    if r == len(s):
        print(s[l -1:].count('AC'))
    else:
        print(s[l - 1: r].count('AC'))

Fixed submission:
n, q = map(int, input().split())
s = input()
total = [0] * len(s)
for i in range(1, len(s)):
    if s[i] == 'C' and s[i - 1] == 'A':
        total[i] = total[i - 1] + 1
    else:
        total[i] = total[i - 1]
for _ in range(q):
    l, r = map(int, input().split())
    if l == 1:
        print(total[r - 1])
    else:
        print(total[r - 1] - total[l - 1])
Buggy python submission (verdict: Time Limit Exceeded):
s = input()
n = len(s)
while '0' in s and '1' in s:
    s = s.replace('01', '')
    s = s.replace('10', '')
    s = s.replace('01', '')
print(n - len(s))

Fixed submission:
s = input()
a = s.count('0')
b = s.count('1')
print(a + b - abs(a - b))

Buggy python submission (verdict: Time Limit Exceeded):
s = input()
n = len(s)
while '0' in s and '1' in s:
    s = s.replace('01', '')
    s = s.replace('10', '')
print(n - len(s))

Fixed submission:
s = input()
a = s.count('0')
b = s.count('1')
print(a + b - abs(a - b))
Buggy python submission (verdict: Runtime Error):
x = [i for i in input().rsplit(1)]
money = []
unit = []
for i in x[1:]:
    m, u = i.split()
    money.append(float(m))
    unit.append(u)

total = 0.0
for m, u in zip(money, unit):
    if u == 'JPY':
        total += m
    else:
        total += 380000.0*m

print(total)

Fixed submission:
n = int(input())
money = []
unit = []
for i in range(n):
    m, u = input().split()
    money.append(float(m))
    unit.append(u)

total = 0.0
for m, u in zip(money, unit):
    if u == 'JPY':
        total += m
    else:
        total += 380000.0*m
print(total)
Buggy python submission (verdict: Runtime Error):
s = int(input())
n = 1
tmp = s
if s == 1 or s == 2:
    print(4)
else:
    for i in range(1, 1000000):
        if tmp == 4:
            n = i
            break
        elif tmp % 2 == 0:
            tmp = tmp//2
        else:
            tmp = 3*tmp + 1
    print(n+3)

Fixed submission:
a, b, c = map(int, input().split())
area = int(1/2*a*b)
print(area)
Buggy python submission (verdict: Time Limit Exceeded):
n, k = map(int, input().split())
h = [int(i) - 1 for i in input().split()]
d = [float('inf')] * n
d[0] = 0
for i in range(1, n):
    costs = []
    for j in range(1, k + 1):
        if i - j >= 0:
            costs.append(d[i - j] + abs(h[i] - h[i - j]))
    d[i] = min(d[i], min(costs))
print(d[-1])

Fixed submission:
n, k = map(int, input().split())
h = [int(i) - 1 for i in input().split()]
d = [float('inf')] * n
d[0] = 0
for i in range(1, n):
    costs = []
    for j in range(1, k + 1):
        if i - j >= 0:
            costs.append(d[i - j] + abs(h[i] - h[i - j]))
    d[i] = min(d[i], min(costs))
print(d[-1])
Buggy python submission (verdict: Runtime Error):
x = [int(i) for i in input().split()]
pay = sum(x[1:]) - max(x[1:])//2
print(pay)

Fixed submission:
x = int(input())
p = [int(input()) for i in range(x)]
pay = sum(p) - max(p)//2
print(pay)

Buggy python submission (verdict: Runtime Error):
x = [int(i) for i in input().split()]
x.pop(0)
pay = int(sum(x) - max(x)/2)
print(pay)

Fixed submission:
x = int(input())
p = [int(input()) for i in range(x)]
pay = sum(p) - max(p)//2
print(pay)

Buggy python submission (verdict: Runtime Error):
x = [int(i) for i in input().split()]
x.pop(0)
pay = sum(x) - max(x)/2
print(int(pay))

Fixed submission:
x = int(input())
p = [int(input()) for i in range(x)]
pay = sum(p) - max(p)//2
print(pay)
Buggy python submission (verdict: Runtime Error):
mess = [int(i) for i in input().rsplit()]
if mess[0] == 1:
    print('Hello World')
else:
    print(mess[1]+mess[2])

Fixed submission:
age = int(input())
if age == 1:
    print('Hello World')
else:
    a, b = [int(input()) for i in range(2)]
    print(a+b)

Buggy python submission (verdict: Runtime Error):
mess = [i for i in input().rsplit()]
if mess[0] == '1':
    print('Hello World')
else:
    print(int(mess[1])+int(mess[2]))

Fixed submission:
age = int(input())
if age == 1:
    print('Hello World')
else:
    a, b = [int(input()) for i in range(2)]
    print(a+b)
Buggy python submission (verdict: Runtime Error):
s, t = map(str, input().split())
x = len(s)
n = 0
if s == t:
    n = 1
else:
    for i in range(x):
        s = s[-1] + s[:-1]
        if s == t:
            n = 1

if n == 0:
    print('No')
else:
    print('Yes')

Fixed submission:
s = input()
t = input()
x = len(s)
n = 0
if s == t:
    n = 1
else:
    for i in range(x):
        s = s[-1] + s[:-1]
        if s == t:
            n = 1
 
if n == 0:
    print('No')
else:
    print('Yes')
Buggy python submission (verdict: Runtime Error):
x = [int(i) for i in input().split()]
seq = x[1:]
print(max(seq)-min(seq))

Fixed submission:
x = int(input())
seq = [int(i) for i in input().split()]
print(max(seq)-min(seq))
Buggy python submission (verdict: Runtime Error):
x = int(input())
if x == 1:
    print(x)
else:
    n = 1
    for i in range(1,32):
        for j in range(2,10):
            m = i**j
            if m <= x and m > n:
                n = m
print(n)

Fixed submission:
a, b, c, d = map(int, input().split())
if abs(c-a) <= d:
    print('Yes')
elif abs(b-a) <= d and abs(c-b) <= d:
    print('Yes')
else:
    print('No')
Buggy python submission (verdict: Runtime Error):
x = int(input())
if x == 1:
    print(1)
else:
    n = 1
    for i in range(1,32):
        for j in range(2,10):
            m = i**j
            if m <= x and m > n:
                n = m
print(n)

Fixed submission:
x = int(input())
if x == 1:
    print(x)
else:
    n = 1
    for i in range(1,32):
        for j in range(2,10):
            m = i**j
            if m <= x and m > n:
                n = m
    print(n)
Buggy python submission (verdict: Runtime Error):
a, b, c, d = map(int, input().split())
print(min([a,b])+min([c,d]))

Fixed submission:
a, b, c, d = [int(input()) for i in range(4)]
print(min([a,b])+min([c,d]))

Buggy python submission (verdict: Runtime Error):
a, b, c, d = map(int, input().split())
total = 0
if a > b:
    total += b
else:
    total += a

if c > d:
    total += d
else:
    total += c

print(total)

Fixed submission:
a, b, c, d = [int(input()) for i in range(4)]
print(min([a,b])+min([c,d]))
Buggy python submission (verdict: Runtime Error):
n = int(input())
f = [0] * n
f[0] = 2
f[1] = 1
for i in range(2,n):
    f[i] = f[i-1] + f[i-2]
print(f[-1])

Fixed submission:
n = int(input())
f = [0] * (n+1)
f[0] = 2
f[1] = 1
for i in range(2,n+1):
    f[i] = f[i-1] + f[i-2]
print(f[-1])
Buggy python submission (verdict: Time Limit Exceeded):
import numpy as np
from scipy import stats
n = int(input())
a = np.array([int(i) for i in input().split()])
x = np.hstack([a - 1, a, a + 1])
r = stats.mode(x)
print(int(r[1]))

Fixed submission:
import numpy as np
n = int(input())
a = np.array([int(i) for i in input().split()])
x = np.hstack([a - 1, a, a + 1])
x[x < 0] = 0
r = np.bincount(x)
print(r[1:].max())
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
a = [int(i) for i in input().split()]
b = []
for i in a:
    b.append(i)
    b.reverse()
print(*b)

Fixed submission:
from collections import deque
n = int(input())
a = [int(i) for i in input().split()]
b = deque()
if n % 2 == 0:
    for i, j in enumerate(a):
        if (i + 1) % 2 == 0:
            b.appendleft(j)
        else:
            b.append(j)
else:
    for i, j in enumerate(a):
        if (i +1) % 2 == 0:
            b.append(j)
        else:
            b.appendleft(j)
print(*b)

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
a = [int(i) for i in input().split()]
b = []
for i in a:
    b.append(i)
    b.reverse()
print(*b)

Fixed submission:
from collections import deque
n = int(input())
a = [int(i) for i in input().split()]
b = deque()
if n % 2 == 0:
    for i, j in enumerate(a):
        if (i + 1) % 2 == 0:
            b.appendleft(j)
        else:
            b.append(j)
else:
    for i, j in enumerate(a):
        if (i +1) % 2 == 0:
            b.append(j)
        else:
            b.appendleft(j)
print(*b)

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
a = [int(i) for i in input().split()]
b = []
for i in a:
    b.append(i)
    b = b[::-1]
print(*b)

Fixed submission:
from collections import deque
n = int(input())
a = [int(i) for i in input().split()]
b = deque()
if n % 2 == 0:
    for i, j in enumerate(a):
        if (i + 1) % 2 == 0:
            b.appendleft(j)
        else:
            b.append(j)
else:
    for i, j in enumerate(a):
        if (i +1) % 2 == 0:
            b.append(j)
        else:
            b.appendleft(j)
print(*b)
Buggy python submission (verdict: Time Limit Exceeded):
from collections import defaultdict
from itertools import permutations
n = int(input())
dicts = []
sets = []
da = dicts.append
sa = sets.append
for i in [input() for _ in range(n)]:
    tmp_dict = defaultdict(lambda: 0)
    for j in i:
        tmp_dict[j] += 1
    tmp_set = set(tmp_dict.keys())
    da(tmp_dict)
    sa(tmp_set)

intersection = sets[0]
for i in sets:
    intersection = intersection & i

final_dict = {}
final_words = ''
for i in list(intersection):
    tmp = 100
    for j in dicts:
        t = j[i]
        if t < tmp:
            tmp = t
    final_words += i*tmp
words = [i for i in permutations(final_words)]
for i in sorted(words[0]):
    print(i, end='')

Fixed submission:
from collections import defaultdict
n = int(input())
dicts = []
sets = []
da = dicts.append
for i in [input() for _ in range(n)]:
    tmp_dict = defaultdict(lambda: 0)
    for j in i:
        tmp_dict[j] += 1
    da(tmp_dict)

intersection = set(dicts[0].keys())
for i in dicts[1:]:
    intersection = intersection & i.keys()
final_words = ''
for i in sorted(list(intersection)):
    tmp = 100
    for j in dicts:
        t = j[i]
        if t < tmp:
            tmp = t
    final_words += i*tmp
print(final_words)

Buggy python submission (verdict: Time Limit Exceeded):
from collections import defaultdict
from itertools import permutations
n = int(input())
strings = [input() for _ in range(n)]
dicts = []
sets = []
for i in strings:
    tmp_dict = defaultdict(lambda: 0)
    temp_set = set()
    for j in i:
        tmp_dict[j] += 1
        temp_set.add(j)
    dicts.append(tmp_dict)
    sets.append(temp_set)

intersection = sets[0]
for i in sets:
    intersection = intersection & i

final_dict = {}
for i in list(intersection):
    tmp = 100
    for j in dicts:
        t = j[i]
        if t < tmp:
            tmp = t
    final_dict[i] = tmp

final_words = ''
for f in final_dict.keys():
    final_words += final_dict[f]*f
words = [i for i in permutations(final_words)]
for i in words[0]:
    print(i, end='')

Fixed submission:
from collections import defaultdict
n = int(input())
dicts = []
sets = []
da = dicts.append
for i in [input() for _ in range(n)]:
    tmp_dict = defaultdict(lambda: 0)
    for j in i:
        tmp_dict[j] += 1
    da(tmp_dict)

intersection = set(dicts[0].keys())
for i in dicts[1:]:
    intersection = intersection & i.keys()
final_words = ''
for i in sorted(list(intersection)):
    tmp = 100
    for j in dicts:
        t = j[i]
        if t < tmp:
            tmp = t
    final_words += i*tmp
print(final_words)
Buggy python submission (verdict: Runtime Error):
n = int(input())
f = float('inf')
for a in range(1, int(n**0.5)):
    if n % a == 0:
        b = n // a
        x = max(len(str(a)), len(str(b)))
        if f > x:
            f = x
print(x)

Fixed submission:
n = int(input())
f = float('inf')
for a in range(1, int(n**0.5)+1):
    if n % a == 0:
        b = n // a
        x = max(len(str(a)), len(str(b)))
        if f > x:
            f = x
print(x)
Buggy python submission (verdict: Runtime Error):
import sys
n, m = map(int, input().split())
A = [input() for _ in range(n)]
B = [input() for _ in range(m)]
count = 0
idx = 0
position = []
for b in B:
    if idx == 0:
        for i, a in enumerate(A[:-m]):
            if b in a:
                position.append(a.find(b))
                if a.count(b) > 1:
                    position.append(a.rfind())
                    position.append(a.find(b, a.find(b)))
                count += 1
                idx = i
                break
        if count == 0:
            print('No')
            sys.exit()
    else:
        for i, a in enumerate(A[idx+1:]):
            for p in position:
                if b == a[p:p + m]:
                    break
                print('No')
                sys.exit()
print('Yes')

Fixed submission:
n, m = map(int, input().split())
a = [input() for _ in range(n)]
b = [input() for _ in range(m)]
flag = 0
for i in range(n-m+1):
    for j in range(n-m+1):
        c = [x[j:j+m] for x in a[i:i+m]]
        if c == b:
            flag = 1
            break
print('Yes') if flag == 1 else print('No')

Buggy python submission (verdict: Runtime Error):
import sys
n, m = map(int, input().split())
A = [input() for _ in range(n)]
B = [input() for _ in range(m)]
count = 0
idx = 0
position = []
for b in B:
    if idx == 0:
        for i, a in enumerate(A[:-m]):
            if b in a:
                position.append(a.find(b))
                if a.count(b) > 1:
                    position.append(a.rfind())
                count += 1
                idx = i
                break
        if count == 0:
            print('No')
            sys.exit()
    else:
        for i, a in enumerate(A[idx+1:-m]):
            for p in position:
                if b == a[p:p + m]:
                    break
                print('No')
                sys.exit()
print('Yes')

Fixed submission:
n, m = map(int, input().split())
a = [input() for _ in range(n)]
b = [input() for _ in range(m)]
flag = 0
for i in range(n-m+1):
    for j in range(n-m+1):
        c = [x[j:j+m] for x in a[i:i+m]]
        if c == b:
            flag = 1
            break
print('Yes') if flag == 1 else print('No')
Buggy python submission (verdict: Runtime Error):
N = input()
if N % 9 == 0:
    print("Yes")
else :
    print("No")

Fixed submission:
N = int(input())
if N % 9 == 0:
    print("Yes")
else :
    print("No")
Buggy python submission (verdict: Runtime Error):
N = input()
A = list(map(int,input().split()))
Sum = 0

for i in range(N-1):
  if(A[i] - A[i+1] > 0):
    Sum += A[i] - A[i+1]
    A[i+1] += A[i] - A[i+1]
 
print(Sum)

Fixed submission:
N = int(input())
A = list(map(int,input().split()))
Sum = 0

for i in range(N-1):
  if(A[i] - A[i+1] > 0):
    Sum += A[i] - A[i+1]
    A[i+1] += A[i] - A[i+1]
 
print(Sum)

Buggy python submission (verdict: Runtime Error):
N = int(input())
A = list(map(int,input().split()))
Sum = 0

for i in range(N-1):
  if(A[N] - A[N+1] > 0):    
    Sum += A[N] - A[N+1]
    A[N+1] += A[N] - A[N+1]
    
print(Sum)

Fixed submission:
N = int(input())
A = list(map(int,input().split()))
Sum = 0

for i in range(N-1):
  if(A[i] - A[i+1] > 0):
    Sum += A[i] - A[i+1]
    A[i+1] += A[i] - A[i+1]
 
print(Sum)

Buggy python submission (verdict: Runtime Error):
N = int(input())
A = list(map(int,input().split()))
Sum = 0

for i in range(N-1):
  if(A[N+1] - A[N] > 0):
    Sum += A[N+1] - A[N]
    
print(Sum)

Fixed submission:
N = int(input())
A = list(map(int,input().split()))
Sum = 0

for i in range(N-1):
  if(A[i] - A[i+1] > 0):
    Sum += A[i] - A[i+1]
    A[i+1] += A[i] - A[i+1]
 
print(Sum)

Buggy python submission (verdict: Runtime Error):
N = int(input())
A = list(map(int,input.split()))
Sum = 0

for i in range(N-1):
  Sum += A[i+1] - A[i]
 
print(Sum)

Fixed submission:
N = int(input())
A = list(map(int,input().split()))
Sum = 0

for i in range(N-1):
  if(A[i] - A[i+1] > 0):
    Sum += A[i] - A[i+1]
    A[i+1] += A[i] - A[i+1]
 
print(Sum)
Buggy python submission (verdict: Runtime Error):
import numpy as np

N, X, T = map(int, input().split())

for n in range(1:1000):
  if T*n >= np.ceil(N/X):
    break
print(T*n)  

Fixed submission:
import numpy as np

N, X, T = map(int, input().split())

for n in range(1,1000):
    if n>=N/X:
        break
    n+=1

print(T*n)
Buggy python submission (verdict: Time Limit Exceeded):
n, a, b = map(int, input().split())
s = ''
while len(s) < n:
    for _ in range(a):
        s += 'a'
    for _ in range(b):
        s += 'b'

print(s[0:n].count('a'))


Fixed submission:
n, a, b = map(int, input().split())

ans = n // (a + b) * a
rem = n % (a + b)
ans += min(rem, a)

print(ans)