Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
n = int(input())
a = [int(i) for i in input().split()]
a.sort()
m,s = a[-1],a[0]
if m!=a[-2] or (m+1)//2!=s or (m%2 and s-a[1]) or ((not m%2) and s==a[1]) or any(a.count(i)<2 for i in range(s+1,m)) or s==a[1]==a[2]: print("Impossible")
else: print("Possible")

Fixed submission:
n = int(input())
a = [int(i) for i in input().split()]
a.sort()
m,s = a[-1],a[0]
if m!=a[-2] or (m+1)//2!=s or (m%2 and s-a[1]) or ((not m%2) and s==a[1]) or any(a.count(i)<2 for i in range(s+1,m)) or (n!=2 and s==a[1]==a[2]): print("Impossible")
else: print("Possible")
Buggy python submission (verdict: Time Limit Exceeded):
h,w,n = (int(i) for i in input().split())
x = [[int(i) for i in input().split()] for i in range(n)]
def sq(a,b,h,w):
	A,B,X = [a-2,a-1,a],[b-2,b-1,b],[]
	for i in A:
		for j in B:
			if 1<=i<=h-2 and 1<=j<=w-2: X.append([i,j])
	return X
y,ans = [],[0 for i in range(10)]
for i,j in x: y += sq(i,j,h,w)
y,i,num = sorted(y),0,1
while y!=[]:
	if y[i]==y[i+1]: num+=1
	else: ans[num],num = ans[num]+1,1
	if i==len(y)-2:
		ans[num]+=1
		break
	else: i+=1
ans[0] = (h-2)*(w-2)-sum(ans)
for i in ans: print(i)

Fixed submission:
h,w,n = (int(i) for i in input().split())
x = [[int(i) for i in input().split()] for i in range(n)]
def sq(a,b,h,w):
	A,B,X = [a-2,a-1,a],[b-2,b-1,b],[]
	for i in A:
		for j in B:
			if 1<=i<=h-2 and 1<=j<=w-2: X.append((i,j))
	return X
y,ans = [],[0 for i in range(10)]
for i,j in x: y += sq(i,j,h,w)
from collections import Counter
for (i,j),k in Counter(y).most_common(): ans[k]+=1
ans[0] = (h-2)*(w-2)-sum(ans)
for i in ans: print(i)
Buggy python submission (verdict: Time Limit Exceeded):
n,a = (int(i) for i in input().split())
x = [int(i) for i in input().split()]
m,answer = max(max(x),a),0
dp = [[[0]*(n*m+1) for i in range(n+1)] for i in range(n+1)]
dp[0][0][0] = 1
for i in range(n+1):
	for j in range(n+1):
		for k in range(n*m+1):
			if i>=1 and k<x[i-1]: dp[i][j][k] = dp[i-1][j][k]
			elif i>=1 and j>=1 and k>=x[i-1]: dp[i][j][k] = dp[i-1][j][k] + dp[i-1][j-1][k-x[i-1]]
for j in range(1,n+1):
	answer += dp[n][j][j*a]
print(answer)

Fixed submission:
n,a = (int(i) for i in input().split())
x = [int(i)-a for i in input().split()]
x = [0]+x
y = max(max(x)+a,a)
dp = [[0 for i in range(2*n*y+1)] for i in range(n+1)]
dp[0][n*y] = 1
for i in range(n+1):
	for j in range(2*n*y+1):
		if i>0 and (j-x[i]<0 or j-x[i]>2*n*y): dp[i][j]=dp[i-1][j]
		elif i>0 and 0<=j-x[i]<=2*n*y: dp[i][j]=dp[i-1][j]+dp[i-1][j-x[i]]
		else: pass
print(dp[n][n*y]-1)
Buggy python submission (verdict: Runtime Error):
from math import sqrt
n = int(input())
s = int(input())
def f(x,y):
	if y<x: return y
	else: return f(x,y//x)+(y%x)
if s==n: ans = n+1
else:
	ans = -1
	for i in range(2,int(sqrt(n))+1):
		if f(i,n)==s:
			ans = i
			break
	if ans==-1:
		for i in range(int(sqrt(n)),0,-1):
			b = (n-s)/i+1
			if b==int(b) and f(int(b),n)==s:
				ans = int(b)
				break
print(ans)

Fixed submission:
from math import sqrt
n = int(input())
s = int(input())
def f(x,y):
	if y<x: return y
	else: return f(x,y//x)+(y%x)
if s==n: ans = n+1
elif n<s: ans = -1
else:
	ans = -1
	for i in range(2,int(sqrt(n))+1):
		if f(i,n)==s:
			ans = i
			break
	if ans==-1:
		for i in range(int(sqrt(n)),0,-1):
			b = (n-s)/i+1
			if b==int(b) and f(int(b),n)==s:
				ans = int(b)
				break
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
a = [int(input()) for i in range(n)]
b,ans = sorted(a),0
for i in range(n):
	if i%2!=b.index(a[i])%2: ans+=1
print(ans//2)

Fixed submission:
n = int(input())
a = [int(input()) for i in range(n)]
b,ans = [],0
for i,x in enumerate(a): b.append([x,i])
b.sort()
for i in range(n):
	if i%2!=b[i][1]%2: ans+=1
print(ans//2)
Buggy python submission (verdict: Runtime Error):
a = int(input())
b = int(input())

if (a*b)%2 == 0 :
  print("Even")
else:
  print("Odd")

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

if (a*b)%2 == 0 :
  print("Even")
else:
  print("Odd")
Buggy python submission (verdict: Runtime Error):
week = {'SUN':7, 'MON':6, 'TUE':5, 'WED':4, 'THE':3, 'FRI':2, 'SAT':1}
S = input()
print(week[S])

Fixed submission:
week = {'SUN':7, 'MON':6, 'TUE':5, 'WED':4, 'THU':3, 'FRI':2, 'SAT':1}
S = input()
print(week[S])
Buggy python submission (verdict: Runtime Error):
a,b =map(int, input().split())
print(max[a+b, a-b, a*b])

Fixed submission:
a,b = map(int, input().split())
c=a+b
d=a-b
e=a*b
print(max(c, d, e))

Buggy python submission (verdict: Runtime Error):
a,b =map(int(), input().split())

c= a+b
d= a-b
e= a*b
max = [c,d,e]
print(max)

Fixed submission:
a,b = map(int, input().split())
c=a+b
d=a-b
e=a*b
print(max(c, d, e))
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
result = []
for i in range(1, N+1):
    if N % i == 0:
        result.append(i+int(N/i)-2)
print(min(result))

Fixed submission:
import numpy as np
N = int(input())
result = []
for i in range(1, np.sqrt(N).astype(int)+1):
    if N % i == 0:
        result.append(i+int(N/i)-2)
print(min(result))

Buggy python submission (verdict: Runtime Error):
N = int(input())
result = []
for i in tqdm(range(1, N+1)):
    if N % i == 0:
        result.append(i+int(N/i)-2)
print(min(result))

Fixed submission:
import numpy as np
N = int(input())
result = []
for i in range(1, np.sqrt(N).astype(int)+1):
    if N % i == 0:
        result.append(i+int(N/i)-2)
print(min(result))
Buggy python submission (verdict: Runtime Error):
import numpy as np
N = int(input())
print((a % 2).mean())

Fixed submission:
import numpy as np
N = int(input())
a = np.arange(1, N+1)
print((a % 2).mean())

Buggy python submission (verdict: Runtime Error):
import numpy as np
N = int(input())
print(np.mean([*map(lambda x: x % 2, np.arange(1, N+1))]))

Fixed submission:
import numpy as np
N = int(input())
a = np.arange(1, N+1)
print((a % 2).mean())

Buggy python submission (verdict: Runtime Error):
import numpy as np
import pandas as pd
N = int(input())
print(pd.Series(np.arange(1, N+1)).map(lambda x: x % 2).mean())

Fixed submission:
import numpy as np
N = int(input())
a = np.arange(1, N+1)
print((a % 2).mean())
Buggy python submission (verdict: Runtime Error):
import numpy as np
Nn, Kk, Qq = input().split()
N, K, Q = int(Nn), int(Kk), int(Qq)
a = []
for q in range(Q):
    a.append(int(input()))
result = np.ones(N) * (K - Q)
for i in a:
    result[i-1] += 1
result = result > 0
for r in result:
    if r:
        print("Yes")
    else:
        print("No")

Fixed submission:
import numpy as np
Nn, Kk, Qq = input().split()
N, K, Q = int(Nn), int(Kk), int(Qq)
a = []
for q in range(Q):
    a.append(int(input()))
result = np.ones(N) * (K - Q)
for i in a:
    result[i-1] += 1
result = result > 0
for r in result:
    if r:
        print("Yes")
    else:
        print("No")

Buggy python submission (verdict: Runtime Error):
import numpy as np
Nn, Kk, Qq = input().split()
N, K, Q = int(Nn), int(Kk), int(Qq)
a = []
for q in range(Q):
    a.append(int(input()))
r = (np.ones(N) * K).astype(int)
for i in a:
    b = np.ones(N)
    b[i-1] = 0
    r = r - b
print("\n".join(["Yes" if rr > 0 else "No" for rr in r]))

Fixed submission:
import numpy as np
Nn, Kk, Qq = input().split()
N, K, Q = int(Nn), int(Kk), int(Qq)
a = []
for q in range(Q):
    a.append(int(input()))
result = np.ones(N) * (K - Q)
for i in a:
    result[i-1] += 1
result = result > 0
for r in result:
    if r:
        print("Yes")
    else:
        print("No")

Buggy python submission (verdict: Time Limit Exceeded):
import numpy as np
Nn, Kk, Qq = input().split()
N, K, Q = int(Nn), int(Kk), int(Qq)
a = []
for q in range(Q):
    a.append(int(input()))
r = (np.ones(N) * K).astype(int)
for i in a:
    b = np.ones(N)
    b[i-1] = 0
    r = r - b
print("\n".join(["Yes" if rr > 0 else "No" for rr in r]))

Fixed submission:
import numpy as np
Nn, Kk, Qq = input().split()
N, K, Q = int(Nn), int(Kk), int(Qq)
a = []
for q in range(Q):
    a.append(int(input()))
result = np.ones(N) * (K - Q)
for i in a:
    result[i-1] += 1
result = result > 0
for r in result:
    if r:
        print("Yes")
    else:
        print("No")
Buggy python submission (verdict: Runtime Error):
import numpy as np[]
S = np.array(list(input()))
T = np.array(list(input()))
print((S == T).sum())


Fixed submission:
import numpy as np
S = np.array(list(input()))
T = np.array(list(input()))
print((S == T).sum())
Buggy python submission (verdict: Time Limit Exceeded):
N, M = map(int, input().split())
A_list = list(map(int, input().split()))
A_list.sort()
if N == 1:
    A_list[-1] = A_list[-1] // (2**M)
elif N > 1:
    while M > 0:
        A_list[-1] = A_list[-1] // 2
        if A_list[-1] < A_list[-2]:
            A_list.sort()
        M -= 1
print(sum(A_list))


Fixed submission:
# 優先度付きキューの考え方が必須
import heapq

N, M = map(int, input().split())
# 読み込み時に * -1 を乗算している
A_list = list(map(lambda x: int(x)*(-1), input().split()))
# A_listを優先度付きキューにする
heapq.heapify(A_list)

while M > 0:
    temp_max = heapq.heappop(A_list)
    # //2 で余りは切り捨てのため -1 を 2回 乗算している
    heapq.heappush(A_list, (-1)*((-1*temp_max)//2))
    M -= 1
print(-1*sum(A_list))

Buggy python submission (verdict: Time Limit Exceeded):
N, M = map(int, input().split())
A_list = list(map(int, input().split()))
A_list.sort()
while M > 0:
    A_list[-1] = A_list[-1] // 2
    A_list.sort()
    M -= 1
print(sum(A_list))


Fixed submission:
# 優先度付きキューの考え方が必須
import heapq

N, M = map(int, input().split())
# 読み込み時に * -1 を乗算している
A_list = list(map(lambda x: int(x)*(-1), input().split()))
# A_listを優先度付きキューにする
heapq.heapify(A_list)

while M > 0:
    temp_max = heapq.heappop(A_list)
    # //2 で余りは切り捨てのため -1 を 2回 乗算している
    heapq.heappush(A_list, (-1)*((-1*temp_max)//2))
    M -= 1
print(-1*sum(A_list))
Buggy python submission (verdict: Runtime Error):
S = list(input().split())
T = list(input().split())

ans =  0
for i in range(3):
    if S[i] == T[i]:
        ans += 1

print(ans)

Fixed submission:
S = list(input())
T = list(input()) 

ans =  0
for i in range(3):
    if S[i] == T[i]:
        ans += 1

print(ans)
Buggy python submission (verdict: Runtime Error):
N = int(input())
v_list = input().split()
v_list = [int(v_list(i)) for i in range(N)]
v_list.sort()
ans = int(v_list[0])
for i in range(1, N):
    ans = (ans + int(v_list[i]))/2 
print(ans)

Fixed submission:
N = int(input())
v_list = input().split()
v_list = [int(v_list[i]) for i in range(N)]
v_list.sort()
ans = int(v_list[0])
for i in range(1, N):
    ans = (ans + int(v_list[i]))/2 
print(ans)
Buggy python submission (verdict: Runtime Error):
A, B = map(int(), input().split())

print(max(A+B, A-B, int(A*B)))

Fixed submission:
A, B = map(int, input().split())
print(max(A+B, A-B, A*B))

Buggy python submission (verdict: Runtime Error):
A, B = map(int(), input().split())
 
print(max(A+B, A-B, A*B))

Fixed submission:
A, B = map(int, input().split())
print(max(A+B, A-B, A*B))

Buggy python submission (verdict: Runtime Error):
A, B = int(input())

print(max(A+B, A-B, A*B))

Fixed submission:
A, B = map(int, input().split())
print(max(A+B, A-B, A*B))
Buggy python submission (verdict: Runtime Error):
S_dict = {}
N = int(input())
for _ in range(N):
    s = ''.join(sorted(input()))
    if s not in S_dict.keys():
        S_dict[s] = 0
    else:
        S_dict[s] += S_dict[s] + 1
print(sum(map(long, S_dict.values())))

Fixed submission:
ans = 0
N = int(input())
s_list = [''.join(sorted(input())) for _ in range(N)]
s_list.sort()

count = 1
for i in range(1, N):
    if s_list[i] == s_list[i-1]:
        count += 1
    else:
        ans += (count*(count-1))/2
        count = 1

    if i == N-1:
        ans += (count*(count-1))/2

print(int(ans))

Buggy python submission (verdict: Time Limit Exceeded):
ans = 0
S = set()
N = int(input())
s_list = [''.join(sorted(input())) for _ in range(N)]
for i in range(len(s_list)-1):
    for j in range(i+1, len(s_list)):
        if s_list[i] == s_list[j]:
            ans += 1
print(ans)

Fixed submission:
ans = 0
N = int(input())
s_list = [''.join(sorted(input())) for _ in range(N)]
s_list.sort()

count = 1
for i in range(1, N):
    if s_list[i] == s_list[i-1]:
        count += 1
    else:
        ans += (count*(count-1))/2
        count = 1

    if i == N-1:
        ans += (count*(count-1))/2

print(int(ans))
Buggy python submission (verdict: Runtime Error):
import math

def cal(n, i):
    x = 1
    for j in range(1, i+1):
        x *= (n-j+1) / j
    return x

N, K = map(int, input().split())
for i in range(1, K+1):
    if i > N-K+1:
        print(0)
    else:
        ans = cal(N-K+1, i)
        ans *= cal(K-1, i-1)
        ans = ans % 1000000007
        print(int(ans))

Fixed submission:
def cal(n, i):
    numerator = 1
    denominator = 1
    for j in range(1, i+1):
        numerator *= (n-j+1) 
        denominator *= j
    x = numerator // denominator
    return x

N, K = map(int, input().split())
for i in range(1, K+1):
    if i > N-K+1:
        print(0)
    else:
        ans = cal(N-K+1, i)
        ans *= cal(K-1, i-1)
        ans = ans % 1000000007
        print(int(ans))

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

def cal(n, i):
    numerator = math.factorial(n)
    denominator = math.factorial(i)*math.factorial(n-i)

    return numerator / denominator

N, K = map(int, input().split())
for i in range(1, K+1):
    if i > N-K+1:
        print(0)
    else:
        ans = cal(N-K+1, i)
        ans *= cal(K-1, i-1) % 1000000007
        print(int(ans))

Fixed submission:
def cal(n, i):
    numerator = 1
    denominator = 1
    for j in range(1, i+1):
        numerator *= (n-j+1) 
        denominator *= j
    x = numerator // denominator
    return x

N, K = map(int, input().split())
for i in range(1, K+1):
    if i > N-K+1:
        print(0)
    else:
        ans = cal(N-K+1, i)
        ans *= cal(K-1, i-1)
        ans = ans % 1000000007
        print(int(ans))

Buggy python submission (verdict: Runtime Error):
def cal_position(a, i):
    x = 1
    for j in range(1, i+1):
        x *= (a - (j-1)) / j
    return x


def cal_pattern(position_num, red_num):
    return (cal_position(position_num + red_num, position_num)) % 1000000007


N, K = map(int, input().split())
for i in range(K):
    red_num = N - K - i
    if red_num < 0:
        print(0)
    else:
        ans = cal_position(K-1, i)
        ans *= cal_pattern(i+1, red_num)
        print(int(ans))

Fixed submission:
def cal(n, i):
    numerator = 1
    denominator = 1
    for j in range(1, i+1):
        numerator *= (n-j+1) 
        denominator *= j
    x = numerator // denominator
    return x

N, K = map(int, input().split())
for i in range(1, K+1):
    if i > N-K+1:
        print(0)
    else:
        ans = cal(N-K+1, i)
        ans *= cal(K-1, i-1)
        ans = ans % 1000000007
        print(int(ans))
Buggy python submission (verdict: Runtime Error):
N, X = map(int, input().split())
L_list = list(map(int, input().split()))
D = 0
ans = 0
for i in range(N+1):
    if D > X:
        break
    else:
        D += L_list[i]
        ans += 1
print(ans)

Fixed submission:
N, X = map(int, input().split())
L_list = list(map(int, input().split()))
D = 0
ans = 1
for i in range(N):
    D += L_list[i]
    if D > X:
        break
    else:
        ans += 1
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
N, M = map(int, input().split())
A_list = list(map(int, input().split()))
A_list.sort()

BC_list = [list(map(int, input().split())) for _ in range(M)]
BC_list = [BC_list[i][1] for i in range(M) for _ in range(BC_list[i][0])]
A_list.extend(BC_list)
A_list.sort()

print(sum(A_list[-N:]))


Fixed submission:
N, M = map(int, input().split())
A_list = list(map(int, input().split()))
A_list.sort()

BC_list = [list(map(int, input().split())) for _ in range(M)]
BC_list = sorted(BC_list, key=lambda x: x[1])

ans = 0
count = 0
i = N-1
m = M-1
while count < N:
    if A_list[i] < BC_list[m][1]:
        for _ in range(BC_list[m][0]):
            ans += BC_list[m][1]
            count += 1
            if count >= N:
                break
        m -= 1
    else:
        ans += A_list[i]
        count += 1
        i -= 1

    if m < 0:
        break

for _ in range(count, N):
    ans += A_list[i]
    i -= 1

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
N, M = map(int, input().split())
A_list = list(map(int, input().split()))
A_list.sort()
for j in range(M):
    B, C = map(int, input().split())
    for k in range(B):
        if A_list[k] < C:
            A_list[k] = C
        else:
            break
    A_list.sort()
print(sum(A_list))

Fixed submission:
N, M = map(int, input().split())
A_list = list(map(int, input().split()))
A_list.sort()

BC_list = [list(map(int, input().split())) for _ in range(M)]
BC_list = sorted(BC_list, key=lambda x: x[1])

ans = 0
count = 0
i = N-1
m = M-1
while count < N:
    if A_list[i] < BC_list[m][1]:
        for _ in range(BC_list[m][0]):
            ans += BC_list[m][1]
            count += 1
            if count >= N:
                break
        m -= 1
    else:
        ans += A_list[i]
        count += 1
        i -= 1

    if m < 0:
        break

for _ in range(count, N):
    ans += A_list[i]
    i -= 1

print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())

A_list = list(map(int, input().split())) # case1 : [7, 6, 8]

def gcd(a, b):
    while b != 0:
        a, b = b, int(a%b)
    return a

ans = 0

for i in range(N):
    left_gcd = 0
    right_gcd = 0

    for j in range(0, i):
        left_gcd = gcd(A_list[j], left_gcd)

    for k in range(i+1, N):
        right_gcd = gcd(A_list[k], right_gcd)

    i_gcd = gcd(left_gcd, right_gcd)

    if ans < i_gcd:
        ans = i_gcd

print(ans)

Fixed submission:
N = int(input())

A_list = list(map(int, input().split())) # case1 : [7, 6, 8]

def gcd(a, b):
    while b != 0:
        a, b = b, int(a%b)
    return a

left_gcd = [0] * (N+1)
right_gcd = [0] * (N+1)
for i in range(N):
    left_gcd[i+1] = gcd(A_list[i], left_gcd[i])
for i in range(N-1, 0, -1):
    right_gcd[i] = gcd(A_list[i], right_gcd[i+1])

ans = 0

for i in range(N):
    i_gcd = gcd(left_gcd[i], right_gcd[i+1])
    if ans < i_gcd:
        ans = i_gcd

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())

A_list = list(map(int, input().split())) # case1 : [7, 6, 8]

def gcd(a, b):
    while b != 0:
        a, b = b, a%b
    return a

ans = 0

for i in range(N):
    left_gcd = 0
    right_gcd = 0

    for j in range(0, i):
        left_gcd = gcd(A_list[j], left_gcd)

    for k in range(i+1, N):
        right_gcd = gcd(A_list[k], right_gcd)

    i_gcd = gcd(left_gcd, right_gcd)

    if ans < i_gcd:
        ans = gcd(left_gcd, right_gcd)

print(ans)

Fixed submission:
N = int(input())

A_list = list(map(int, input().split())) # case1 : [7, 6, 8]

def gcd(a, b):
    while b != 0:
        a, b = b, int(a%b)
    return a

left_gcd = [0] * (N+1)
right_gcd = [0] * (N+1)
for i in range(N):
    left_gcd[i+1] = gcd(A_list[i], left_gcd[i])
for i in range(N-1, 0, -1):
    right_gcd[i] = gcd(A_list[i], right_gcd[i+1])

ans = 0

for i in range(N):
    i_gcd = gcd(left_gcd[i], right_gcd[i+1])
    if ans < i_gcd:
        ans = i_gcd

print(ans)
Buggy python submission (verdict: Runtime Error):
S = list(input())
ans = 0
count = 0
for i in len(S):
    if S[i] == 'A' or S[i] == 'C' or S[i] == 'G' or S[i] == 'T':
        count += 1
    else:
        if ans < count:
            ans = count
        else:
            pass
        count = 0
print(ans)

Fixed submission:
S = list(input())
ans = 0
count = 0
for i in range(len(S)):
    if S[i] == 'A' or S[i] == 'C' or S[i] == 'G' or S[i] == 'T':
        count += 1
    else:
        if ans < count:
            ans = count
        else:
            pass
        count = 0
if ans < count:
    ans = count
else:
    pass
print(ans)
Buggy python submission (verdict: Runtime Error):
N, M = map(int, input().split())

if M == 1:
	print(0)
elif M == 2:
	if N == 1:
		X_list = [int(_) for _ in list(input().split())]
		print(abs(X_list[0]-X_list[1]))
	else:
		print(0)
else:
	X_list = [int(_) for _ in list(input().split())]

	X_list.sort()
	X_list.reverse()

	X_diff_list = [X_list[i-1]-X_list[i] for i in range(1, M)]
	X_diff_list.sort()
	X_diff_list.reverse()

	answer = sum(X_diff_list)

	if N == 1:
		print(answer)
	else:
		for n in range(N-1):
			answer -= X_diff_list[n]
		print(answer)


Fixed submission:
N, M = map(int, input().split())

if M <= N:
	print(0)
elif M == 2:
	if N == 1:
		X_list = [int(_) for _ in list(input().split())]
		print(abs(X_list[0]-X_list[1]))
	else:
		print(0)
else:
	X_list = [int(_) for _ in list(input().split())]

	X_list.sort()
	X_list.reverse()

	X_diff_list = [X_list[i-1]-X_list[i] for i in range(1, M)]
	X_diff_list.sort()
	X_diff_list.reverse()

	answer = sum(X_diff_list)

	if N == 1:
		print(answer)
	else:
		for n in range(N-1):
			answer -= X_diff_list[n]
		print(answer)

Buggy python submission (verdict: Runtime Error):
N, M = map(int, input().split())

if M == 1:
	print(0)
else:
	X_list = [int(_) for _ in list(input().split())]

	X_list.sort()
	X_list.reverse()

	X_diff_list = [X_list[i-1]-X_list[i] for i in range(1, M)]
	X_diff_list.sort()
	X_diff_list.reverse()

	answer = sum(X_diff_list)

	if N == 1:
		print(answer)
	else:
		for n in range(N-1):
			answer -= X_diff_list[n]
		print(answer)


Fixed submission:
N, M = map(int, input().split())

if M <= N:
	print(0)
elif M == 2:
	if N == 1:
		X_list = [int(_) for _ in list(input().split())]
		print(abs(X_list[0]-X_list[1]))
	else:
		print(0)
else:
	X_list = [int(_) for _ in list(input().split())]

	X_list.sort()
	X_list.reverse()

	X_diff_list = [X_list[i-1]-X_list[i] for i in range(1, M)]
	X_diff_list.sort()
	X_diff_list.reverse()

	answer = sum(X_diff_list)

	if N == 1:
		print(answer)
	else:
		for n in range(N-1):
			answer -= X_diff_list[n]
		print(answer)
Buggy python submission (verdict: Runtime Error):
AB BC CD = map(int, input().split())

print(int(AB*BC*0.5))

Fixed submission:
AB, BC, CD = map(int, input().split())

print(int(AB*BC*0.5))
Buggy python submission (verdict: Time Limit Exceeded):
S = list(input())

i = 0
answer = 0

def back_check(S, m, answer):
	for i in range(m, 0, -1):
		m_color = S[i-1]
		n_color = S[i]
		if m_color == 'B' and n_color == 'W':
			S[i-1] = 'W'
			S[i] = 'B'
			answer += 1
		else:
			break

	return S, answer

while i < len(S)-1:
	i_color = S[i]
	j_color = S[i+1]
	if i_color == 'B' and j_color == 'W':
		S[i] = 'W'
		S[i+1] = 'B'
		answer += 1
		S, answer = back_check(S, i, answer)

	i += 1

print(answer)

Fixed submission:
S = list(input())

i = 0
answer = 0
b_count = 0

while i < len(S)-1:
	i_color = S[i]
	j_color = S[i+1]
	if i_color == 'B' and j_color == 'B':
		b_count += 1
	elif i_color == 'B' and j_color == 'W':
		S[i] = 'W'
		S[i+1] = 'B'
		answer = answer + b_count + 1
	else:
		b_count = 0

	i += 1

print(answer)
Buggy python submission (verdict: Runtime Error):
N = int(input())

answer = 0
big = 0

for i in range(N):
	a = int(input())
	answer += a
	if big < a:
		big = a

print(int(answer-(big/2))

Fixed submission:
N = int(input())

answer = 0
big = 0

for i in range(N):
	a = int(input())
	answer += a
	if big < a:
		big = a

print(int(answer-(big/2)))
Buggy python submission (verdict: Runtime Error):
N, X = map(int, input().split())

a, p = [1], [1]

for i in range(N):
	a.append(a[i] * 2 + 3)
	p.append(p[i] * 2 + 1)

def f(N, X):
	if N == 0:
		return 0 if X <= 0 else 1
	elif X <= 1 + a[N+1]:
		return f(N-1, X-1)
	else:
		return p[N-1] + 1 + f(N-1, X-2-a[N-1])

print(f(N, X))

Fixed submission:
N, X = map(int, input().split())

a, p = [1], [1]

for i in range(N):
	a.append(a[i] * 2 + 3)
	p.append(p[i] * 2 + 1)

def f(N, X):
	if N == 0:
		return 0 if X <= 0 else 1
	elif X <= 1 + a[N-1]:
		return f(N-1, X-1)
	else:
		return p[N-1] + 1 + f(N-1, X-2-a[N-1])

print(f(N, X))