qyliang/CodeNanoFix huggingface dataset:
Buggy code:
n, k = list(map(int, input().split()))
a = list( map(int, input().split())) 

MOD = 10**9 + 7

ansR = 0
ansL = 0

for i in range(n):
    for j in range(n):
        if a[i] > a[j]:
            if i > j:
                ansL += 1
            if i < j:
                ansR += 1


ans = ansR*((k+1)*k/2)%MOD + ansL*((k-1)*k/2)%MOD

print(int(ans%MOD))

Fixed code:
n, k = list(map(int, input().split()))
a = list( map(int, input().split())) 

MOD = 10**9 + 7

ansR = 0
ansL = 0

for i in range(n):
    for j in range(n):
        if a[i] > a[j]:
            if i > j:
                ansL += 1
            if i < j:
                ansR += 1


ansR %= MOD
ansL %= MOD
Rn = (k+1)*k//2%MOD
Ln = (k-1)*k//2%MOD

ans = int(ansR*Rn)%MOD + int(ansL*Ln)%MOD

print(int(ans%MOD))
Buggy code:
N,K = map(int,input().split())
A = list(map(int,input().split()))

inf = 1000000007
ans = 0
for i in range(N):
    cnt1 = cnt2 = 0
    for j in range(i):
        if A[j] < A[i]:
            cnt1 += 1
    for j in range(i,N):
        if A[j] < A[i]:
            cnt2 += 1
    ans += int((K*(K+1)/2)*cnt2+((K-1)*K/2)*cnt1)
    ans %= inf

print(ans)

Fixed code:
N,K = map(int,input().split())
A = list(map(int,input().split()))
 
inf = 1000000007
ans = 0
for i in range(N):
    cnt1 = cnt2 = 0
    for j in range(i):
        if A[j] < A[i]:
            cnt1 += 1
    for j in range(i,N):
        if A[j] < A[i]:
            cnt2 += 1
    ans += (K*(K+1)//2)*cnt2+((K-1)*K//2)*cnt1
    ans %= inf

 
print(ans)
Buggy code:
# -*- coding: utf-8 -*-

def main():
    N, K = map(int,input().split())
    A = list(map(int,input().split()))

    inner = 0
    outer = 0
    for i in range(0,N):
        for j in range(0,i):
            if A[i] > A[j]:
                outer += 1
        for j in range(i+1,N):
            if A[i] > A[j]:
                inner += 1
                outer += 1
    count = (inner * K + outer * int(K * (K-1) / 2))
    count = count % (1000000000 +7)
    print(A)
    print(inner)
    print(outer)
    print(count)



if __name__ == "__main__":
    main()


Fixed code:
# -*- coding: utf-8 -*-

def main():
    N, K = map(int,input().split())
    A = list(map(int,input().split()))

    inner = 0
    outer = 0
    for i in range(0,N):
        for j in range(0,i):
            if A[i] > A[j]:
                outer += 1
        for j in range(i+1,N):
            if A[i] > A[j]:
                inner += 1
                outer += 1
    count = inner * K + outer * K * (K-1) // 2
    count = count % (10**9 +7)
    print(count)



if __name__ == "__main__":
    main()
Buggy code:
MOD = 10 ** 9 + 7

n,k = map(int,input().split())
a = list(map(int,input().split()))

incount = 0
for i in range(n-1):
    for j in range(i+1,n):
        if a[i] > a[j]:
            incount += 1

print(incount)

out = 0

for p in range(n):
    for q in range(n):
        if a[p] < a[q]:
            out += 1

print(out)

outcount = out * (k * (k-1)) //2

print((incount * k + outcount) % MOD)


Fixed code:
MOD = 10 ** 9 + 7

n,k = map(int,input().split())
a = list(map(int,input().split()))

incount = 0
for i in range(n-1):
    for j in range(i+1,n):
        if a[i] > a[j]:
            incount += 1

#print(incount)

out = 0

for p in range(n):
    for q in range(n):
        if a[p] < a[q]:
            out += 1

#print(out)

outcount = out * (k * (k-1)) //2

print((incount * k + outcount) % MOD)
Buggy code:
n, k = map(int, input().split())
A = input().split()

tentosu_f = 0
tentosu_l = 0

for i in range(len(n)):
    for j in range(i+1, len(n)):
        if A[i] > A[j]:
            tentosu_f += 1

for i in range(n):
    for j range(n):
        if A[i] > A[j]:
            tentosu_l += 1
            
ans = ((tentosu_f * k) + ((k* (k-1)) / 2) * tentosu_l) % (10**9 + 7)
print(ans)

Fixed code:
n, k = map(int, input().split())
A = list(map(int, input().split()))

tentosu_f = 0
tentosu_l = 0
mod = 10**9 + 7
ans = 0

for i in range(n):
    for j in range(i, n):
        if A[i] > A[j]:
            tentosu_f += 1
          
for i in range(n):
    for j in range(n):
        if A[i] > A[j]:
            tentosu_l += 1
            
ans = (tentosu_f * k) + ((k * (k-1) // 2) * tentosu_l)
print(int(ans % mod))
Buggy code:
import sys

if sys.platform =='ios':
    sys.stdin=open('input_file.txt')
    
N,K=map(int,input().split())
l=list(map(int,input().split()))

cnt=0
cntt=0
p=10**9+7
for i in range(N):
	for j in range(N):
		if l[i]>l[j] and j>i:
			cnt+=1
for k in range(N):
	for m in range(N):
		if l[k]>l[m] and k>m:
			cntt+=1
Cn=cntt*int((K-1)*K/2)%p+int(K*(K+1)/2)*cnt%p
print(cnt,cntt)
print(Cn%p)

Fixed code:
import sys

if sys.platform =='ios':
    sys.stdin=open('input_file.txt')
    
N,K=map(int,input().split())
l=list(map(int,input().split()))

cnt=0
cnt2=0
p=10**9+7
for i in range(N):
	for j in range(N):
		if l[i]>l[j] and j>i:
			cnt+=1
for k in range(N):
	for m in range(N):
		if l[k]>l[m] and k>m:
			cnt2+=1
Cn=K*(K+1)//2*cnt+(K-1)*K//2*cnt2
print(Cn%p)
Buggy code:
N,K=map(int,input().split())
A=list(map(int,input().split()))
Mod=10**9+7
ans_first=0
ans_sec=0
for i in range(len(A)-1):
  for j in range(i,len(A)):
    if A[i]>A[j]:
      ans_first+=1
for i in A:
  for j in A:
    if i > j:
      ans_sec+=1
if K%2==0
  tmp=(2*ans_first+(K-1)*ans_sec)%Mod
  ans=(tmp*K)//2%Mod
else:
  tmp=(2*ans_first+(K-1)//2*ans_sec)%Mod
  ans=(tmp*K)%Mod
print(ans)

Fixed code:
N,K=map(int,input().split())
A=list(map(int,input().split()))
Mod=10**9+7
ans_first=0
ans_sec=0
for i in range(len(A)-1):
  for j in range(i,len(A)):
    if A[i]>A[j]:
      ans_first+=1
for i in A:
  for j in A:
    if i > j:
      ans_sec+=1
if K%2==0:
  tmp=(2*ans_first+(K-1)*ans_sec)%Mod
  K=K//2
  ans=(tmp*K)%Mod
else:
  tmp=(ans_first+(K-1)//2*ans_sec)%Mod
  ans=(tmp*K)%Mod
print(ans)
Buggy code:
def main():
  
  n,k=map(int,input().split())
  a=list(map(int,input().split()))
  
  count=lambda arr,now:sum(element<now for element in arr)
  b=[[count(a[:i],a[i]),count(a[i+1:],a[i])] for i in range(n)]

  ans=0
  prime=10**9+7
  
  for x in b:
    left=x[0]
    right=x[1]
    res=(k-1)*k//2*(right+left)+right*k
    ans+=res%prime
    
  print(ans%prime)

  if __name__=="__main__":
  main()

Fixed code:
def main():
  
  n,k=map(int,input().split())
  a=list(map(int,input().split()))
  
  count=lambda arr,now:sum(element<now for element in arr)
  b=[[count(a[:i],a[i]),count(a[i+1:],a[i])] for i in range(n)]

  ans=0
  prime=10**9+7
  
  for x in b:
    left=x[0]
    right=x[1]
    res=(k-1)*k//2*(right+left)+right*k
    ans+=res%prime
    
  print(ans%prime)

if __name__=="__main__":
  main()
Buggy code:
n, k = map(int, input().split())
la = list(map(int, input().split()))

count = 0
for i in range(n):
    for j in range(n-i-1):
        jj = j+1+i
        if la[i] > la[jj]:
            count += 1

count2 = 0
laa = sorted(la)
for i in range(n):
    for j in range(n-i-1):
        jj = j+1+i
      
        if laa[i] < laa[jj]:
            count2 += 1
result = (count*k + (count2)*((1/2)*(k-1)*(k)))
print(int(result)%(pow(10,9)+7))


Fixed code:
n, k = map(int, input().split())
la = list(map(int, input().split()))

count = 0
for i in range(n):
    for j in range(n-i-1):
        jj = j+1+i
        if la[i] > la[jj]:
            count += 1

count2 = 0
laa = sorted(la)
for i in range(n):
    for j in range(n-i-1):
        jj = j+1+i
      
        if laa[i] < laa[jj]:
            count2 += 1

a = count * k
b = count2 * (((k-1)*k)//2)
result = int(a)+int(b)

print(result%(pow(10,9)+7))
Buggy code:
MOD = int(1e9+7)
N,K = map(int,input().split())
A = list(map(int,input().split()))
inv = pow(2,MOD-2,MOD)
ans = 0
for i in range(N):
    cnt = 0
    for j in range(N):
        if A[i] > A[j]:
            cnt += 1
    val = (cnt * (K+1) * K * inv) % MOD
    cnt = 0
    for j in range(i):
        if A[i] > A[j]:
            cnt += 1
    val -= cnt
    val %= MOD
    ans += val
    ans %= MOD
print(ans)


Fixed code:
MOD = int(1e9) + 7
N,K = map(int,input().split())
A = list(map(int, input().split()))
ans = 0
inv = pow(2,MOD-2,MOD)
for i in range(N):
    cnt = 0
    for j in range(N):
        if A[i] > A[j]:
            cnt += 1
    ans += (cnt * K * (K-1) * inv) % MOD
    for j in range(i,N):
        if A[i] > A[j]:
            ans += K
            ans %= MOD
    ans %= MOD
print(ans)
Buggy code:
n,k=map(int, input().split())
a=list(map(int, input().split()))

sf=[0]*n
sb=[0]*n

for i in range(n):
    for j in range(n):
        if i<j:
            if a[i]>a[j]:
                sf[i]+=1
        else:
            if a[i]>a[j]:
                sb[j]+=1
ans=0
for i in range(n):
    ans+=k*sf[i]+k*(k-1)*(sf[i]+sb[i])/2

print(round(ans%(10**9+7)))


Fixed code:
n,k=map(int, input().split())
a=list(map(int, input().split()))

sf=[0]*n
sb=[0]*n

for i in range(n):
    for j in range(n):
        if i<j:
            if a[i]>a[j]:
                sf[i]+=1
        else:
            if a[i]>a[j]:
                sb[j]+=1
ans=0
for i in range(n):
    ans+=k*sf[i]+k*(k-1)*(sf[i]+sb[i])//2

print(round(ans%(10**9+7)))
Buggy code:
import sys

sys.setrecursionlimit(10 ** 7)
INF = 10 ** 18
MOD = 10 ** 9 + 7


def LI():
    return list(map(int, sys.stdin.readline().split()))


def II():
    return int(sys.stdin.readline())


def LS():
    return list(map(list, sys.stdin.readline().split()))


def S():
    return sys.stdin.readline()[:-1]


def main():
    n, k = LI()
    a_s = LI()
    ts = [0 for i in range(n)]
    f_ts = [0 for i in range(n)]
    for i in range(n):
        for j in range(n):
            if a_s[j] < a_s[i]:
                ts[i] += 1
                if j > i:
                    f_ts[i] += 1
    sum_f = sum(f_ts)
    sum_ = sum(ts)
    print(f_ts, sum_f)
    print(ts, sum_)
    ans = (2 * (sum_f) + sum_ * (k - 1)) * k / 2 % MOD
    print(int(ans))


if __name__ == "__main__":
    main()


Fixed code:
import sys

sys.setrecursionlimit(10 ** 7)
INF = 10 ** 18
MOD = 10 ** 9 + 7


def LI():
    return list(map(int, sys.stdin.readline().split()))


def II():
    return int(sys.stdin.readline())


def LS():
    return list(map(list, sys.stdin.readline().split()))


def S():
    return sys.stdin.readline()[:-1]


def main():
    n, k = LI()
    a_s = LI()
    ts = [0 for i in range(n)]
    f_ts = [0 for i in range(n)]
    for i in range(n):
        for j in range(n):
            if a_s[j] < a_s[i]:
                ts[i] += 1
                if j > i:
                    f_ts[i] += 1
    sum_f = sum(f_ts)
    sum_ = sum(ts)
    if (k - 1) % 2 == 0:
        ans = (sum_f + int(sum_ * (k - 1) / 2)) % MOD
        print(int(ans) % MOD * k % MOD)
    else:
        ans = 2 * sum_f + sum_ * (k - 1) % MOD
        print(int(ans) % MOD * int(k / 2) % MOD)


if __name__ == "__main__":
    main()
Buggy code:
n,k=map(int,input().split())
A = list(map(int,input().split()))
B = A*k
lA = len(A)
lB = len(B)
mod=10**9+7
cnt1=0
for i in range(lA):
    for j in range(i+1,lA):
        if A[i] > A[j]:
            cnt1+=1
cnt2=0
for i in range(lA):
    for j in range(lA):
        if A[i] > A[j]:
            cnt2+=1
print((cnt1*k+cnt2*(k*(k-1)//2))%mod)

Fixed code:
n,k=map(int,input().split())
A = list(map(int,input().split()))
lA = len(A)
mod=10**9+7
cnt1=0
for i in range(lA):
    for j in range(i+1,lA):
        if A[i] > A[j]:
            cnt1+=1
cnt2=0
for i in range(lA):
    for j in range(lA):
        if A[i] > A[j]:
            cnt2+=1
print((cnt1*k+cnt2*(k*(k-1)//2))%mod)
Buggy code:
n, k = map(int, input().split())
a = [int(x) for x in input().split()]
b = [sorted(a).index(a[i]) for i in range(n)]
p = [b[i] * (k*(k+1)//2)for i in range(n)]
q = [0] * n
for i in range(n):
    num = 0
    for j in range(i,n):
        if a[j] > a[i]:
            num += 1
    q[i] = num

print(sum(p)-sum(q)*k)

Fixed code:
n, k = map(int, input().split())
a = [int(x) for x in input().split()]
b = [sorted(a).index(a[i]) for i in range(n)]
p = [b[i] * (k*(k+1)//2)for i in range(n)]
q = [0] * n
for i in range(n):
    num = 0
    for j in range(i,n):
        if a[j] > a[i]:
            num += 1
    q[i] = num
ans = sum(p)-sum(q)*k
print(ans%1000000007)
Buggy code:
n, k = map(int, input().split())
alist = list(map(int, input().split()))

mlist=[0]*n
nlist=[0]*n

for i in range(n):
    for j in range(n):
        if alist[i]>alist[j] and i>j:
            mlist[i]+=1
        elif alist[i]>alist[j] and i<j:
            nlist[i]+=1

#print(mlist, nlist)
kotae=0
for i in range(n):
    kotae+=int(nlist[i]*k*(k+1)/2)%(10**9+7)
    kotae+=int(mlist[i]*(k)*(k-1)/2)%(10**9+7)

print(kotae%(10**9+7))

Fixed code:
n, k = map(int, input().split())
alist = list(map(int, input().split()))

mlist=[0]*n
nlist=[0]*n

for i in range(n):
    for j in range(n):
        if alist[i]>alist[j] and i>j:
            mlist[i]+=1
        elif alist[i]>alist[j] and i<j:
            nlist[i]+=1

#print(mlist, nlist)
kotae=0
for i in range(n):
    if k%2==1:
        a1=k*int((k+1)/2)
        a2=k*int((k-1)/2)
    else:
        a1=int(k/2)*(k+1)
        a2=int(k/2)*(k-1)
    kotae+=nlist[i]*a1
    kotae+=mlist[i]*a2
    kotae=kotae%(10**9+7)

print(kotae%(10**9+7))
Buggy code:
def count_inv(lst):
    ret = 0
    for i in range(len(lst)):
        for j in range(i + 1, len(lst)):
            if lst[i] > lst[j]:
                ret += 1
    return ret


def count_smaller_elements(lst):
    ret = 0
    for i in range(len(lst)):
        tmp = 0
        for j in range(len(lst)):
            if i != j and lst[i] > lst[j]:
                tmp += 1
        ret += tmp
    return ret


def main():
    N, K = map(int, input().split())
    lst_A = list(map(int, input().split()))
    MOD = 10 ** 9 + 7

    a = count_inv(lst_A)
    print(a)
    num1 = a * K % MOD

    b = count_smaller_elements(lst_A)
    print(b)
    num2 = b * (K * (K - 1) // 2) % MOD

    ans = (num1 + num2) % MOD
    print(ans)


if __name__ == "__main__":
    main()

Fixed code:
def count_inv(lst):
    ret = 0
    for i in range(len(lst)):
        for j in range(i + 1, len(lst)):
            if lst[i] > lst[j]:
                ret += 1
    return ret


def count_smaller_elements(lst):
    ret = 0
    for i in range(len(lst)):
        tmp = 0
        for j in range(len(lst)):
            if i != j and lst[i] > lst[j]:
                tmp += 1
        ret += tmp
    return ret


def main():
    N, K = map(int, input().split())
    lst_A = list(map(int, input().split()))
    MOD = 10 ** 9 + 7

    a = count_inv(lst_A)
    num1 = a * K % MOD

    b = count_smaller_elements(lst_A)
    num2 = b * (K * (K - 1) // 2) % MOD

    ans = (num1 + num2) % MOD
    print(ans)


if __name__ == "__main__":
    main()
Buggy code:
n,K=map(int,input().split())
A=list(map(int,input().split()))
s=0
for i in range(1,n):
    k=i
    while A[k]<A[k-1]:
        A[k],A[k-1]=A[k-1],A[k]
        k-=1
        s+=1
        if k==0:
            break
j=0
l=1
S=0
while j<n-1:
    if A[j]==A[j+1]:
        l+=1
        j+=1
    else:
        S=S+l*(n-1-j)
        l=1
        j+=1
B=s*K+(S*K*(K-1))/2
print(int(B)%1000000007)

Fixed code:
n,K=map(int,input().split())
A=list(map(int,input().split()))
s=0
for i in range(1,n):
    k=i
    while A[k]<A[k-1]:
        A[k],A[k-1]=A[k-1],A[k]
        k-=1
        s+=1
        if k==0:
            break
j=0
l=1
S=0
while j<n-1:
    if A[j]==A[j+1]:
        l+=1
        j+=1
    else:
        S=S+l*(n-1-j)
        l=1
        j+=1
B=int(s*K+(S*K*(K-1))//2)
C=int(s*K)%1000000007
D=(K*(K-1)//2)%1000000007
print((C+S*D)%1000000007)
Buggy code:

N, K = map(int,input().split())
A= list((map(int, input().split())))
an = (K*(K+1))//2
a = ((K-1)*K)//2
au =0
al = 0
for i in range(N):
    for j in range(N):
        au += 1 if A[i]<A[j] and i>j else 0
        al += 1 if A[i]<A[j] and i<j else 0
    print(au,al)
print((au*an+al*a)%(10**9+7))

Fixed code:

N, K = map(int,input().split())
A= list((map(int, input().split())))
an = (K*(K+1))//2
a = ((K-1)*K)//2
au =0
al = 0
for i in range(N):
  for j in range(N):
    au += 1 if A[i]<A[j] and i>j else 0
    al += 1 if A[i]<A[j] and i<j else 0
print((au*an+al*a)%(10**9+7))
Buggy code:
n, k = map(int, input().split())
mod = 10**9 + 7
arr = list(map(int, input().split()))
ans = 0
for i in range(n):
    b = 0
    for j in range(i + 1, n):
        if arr[i] > arr[j]:
            b += 1
    ans += b * k * (k + 1) // 2
print(ans % mod)


Fixed code:
n, k = map(int, input().split())
mod = 10**9 + 7
arr = list(map(int, input().split()))
ans = 0
for i in range(n):
    a, b = 0, 0
    for j in range(i + 1):
        if arr[i] > arr[j]:
            a += 1
    for j in range(i + 1, n):
        if arr[i] > arr[j]:
            b += 1
    ans += b * k + (b + a) * k * (k - 1) // 2
print(ans % mod)
Buggy code:
N, K = map(int,input().split())
An = list(map(int,input().split()))
f_count = 0
r_count = 0

for i in range(N):
    for j in range(N):
        if i < j:
            if An[i] < An[j]:
                f_count += 1
            elif An[i] > An[j]:
                r_count += 1

Ans = f_count + (f_count * K*(K-1)/2 + r_count * K*(K+1)/2) % (10**9+7)

print(int(Ans))

Fixed code:
N, K = map(int,input().split())
An = list(map(int,input().split()))
f_count = 0
r_count = 0

for i in range(N):
    for j in range(N):
        if i < j:
            if An[i] < An[j]:
                f_count += 1
            elif An[i] > An[j]:
                r_count += 1

Ans = (f_count * K*(K-1)//2 + r_count * (K*(K+1)//2)) % (10**9+7)

print(int(Ans))
Buggy code:
N,K = [int(i) for i in input().split()]
A_list = [int(i) for i in input().split()]

mod = 10**9+7


rightlist = [0 for i in A_list]
alllist = [0 for i in A_list]

for i in range(len(A_list)):
    ct1 = 0
    ct2 = 0
    a = A_list[i]
    right = A_list[i:]
    
    for j in right:
        #print(a,j)
        if a > j:
            ct1+=1
    
    for j in A_list:
        if a > j:
            ct2+=1
    rightlist[i] = ct1
    alllist[i] = ct2


R = sum(rightlist)
A  =sum(alllist)
ans = (R*K+A*K*(K-1)/2)%mod

print(int(ans))

Fixed code:
N,K = [int(i) for i in input().split()]
A_list = [int(i) for i in input().split()]

mod = 10**9+7


rightlist = [0 for i in A_list]
alllist = [0 for i in A_list]

for i in range(len(A_list)):
    ct1 = 0
    ct2 = 0
    a = A_list[i]
    right = A_list[i:]
    
    for j in right:
        #print(a,j)
        if a > j:
            ct1+=1
    
    for j in A_list:
        if a > j:
            ct2+=1
    rightlist[i] = ct1
    alllist[i] = ct2


R = int(sum(rightlist))
A  =int(sum(alllist))
K = int(K%mod)
R = int(R%mod)
A = int(A%mod)

ans = int(int(R*K)+A*int(K*(K-1)//2))
print(ans%mod)
Buggy code:
N,K=input().split()
N,K=int(N),int(K)
A=input().split()

A=[int(N) for N in A]

prev=0
foll=0
for i in range(N):
    print('Ai',A[i])
    for j in range(i):
        if A[i]>A[j]:
            prev+=1
    for j in range(i,N):
        if A[i]>A[j]:
            foll+=1
    print(foll)

a = (K*(K-1)//2)%(10**9+7)
b = foll*K%(10**9+7)
u= (prev+foll)*a+b
print(u%(10**9+7))

Fixed code:
N,K=input().split()
N,K=int(N),int(K)
A=input().split()

A=[int(N) for N in A]

prev=0
foll=0
for i in range(N):
    for j in range(i):
        if A[i]>A[j]:
            prev+=1
    for j in range(i,N):
        if A[i]>A[j]:
            foll+=1

a = (K*(K-1)//2)%(10**9+7)
b = foll*K%(10**9+7)
u= (prev+foll)*a+b
print(u%(10**9+7))
Buggy code:
MOD = 1000000000 + 7

N,K = map(int,input().split())
A = list(map(int,input().split()))
B = A*2
d = []

for i in range(N*2):
  num = B[i]
  target = B[i+1:]
  d.append(len([n for n in target if num > n]))
  
d_each = sum(d[:N]) - sum(d[N:])
first = sum(d[N:])
print(int( K/2*((2*first)+((K-1)*d_each)%MOD)%MOD ))

Fixed code:

N,K = map(int,input().split())
A = list(map(int,input().split()))
B = A*2
d = []

for i in range(N*2):
  num = B[i]
  target = B[i+1:]
  d.append(len([n for n in target if num > n]))
  
d_each = sum(d[:N]) - sum(d[N:])
first = sum(d[N:])
print(int((K * first + K * (K - 1) * d_each // 2) % (10 ** 9 + 7)))
Buggy code:
N,K = list(map(int,input().split()))
A = list(map(int,input().split()))

ans = 0

for n in range(N):
    for i in range(N):
        if A[n] > A[i]:
            if n<i:ans += K*(K+1)/2
            else:ans+=K*(K-1)/2
            
print(int(ans%(10**9+7)))


Fixed code:
N,K = list(map(int,input().split()))
A = list(map(int,input().split()))

ans = 0
mod = 10**9+7

for n in range(N):
    for i in range(N):
        if A[n] > A[i]:
            if n<i:ans += (K*(K+1)//2)%mod
            else:ans+=(K*(K-1)//2)%mod

print(ans%mod)
Buggy code:
n,k = map(int, input().split())
*a, = map(int, input().split())
ans = 0
wer = 0

for i in range(n-1):
  for j in range(i, n):
  	if a[i] > a[j]:
      ans += 1
ans *= k

for i in range(n):
  for j in range(n):
    if a[i] > a[j]:
      wer += k-1
wer *= k*(k-1)//2

ans += wer
ans %= 10**9 + 7
  
print(ans)

Fixed code:
n,k = map(int, input().split())
*a, = map(int, input().split())
ans = 0
wer = 0

for i in range(n-1):
  for j in range(i+1, n):
    if a[i] > a[j]:
      ans += 1
ans *= k

for i in range(n):
  for j in range(n):
    if a[i] > a[j]:
      wer += 1
wer *= k*(k-1)//2

ans += wer
ans %= 10**9 + 7
  
print(ans)
Buggy code:
N,K = map(int, input().split())
A = list(map(int, input().split()))
sorted_A = sorted(A)

inv_A = 0
for i in range(0,N):
  for j in range(0,N):
    if i<j and A[i] > A[j]:
      inv_A += 1

inv_sorted_A = 0
for i in range(0,N):
  for j in range(0,N):
    if i<j and sorted_A[i] < sorted_A[j]:
      inv_sorted_A += 1

count = inv_A
for i in range(1,K):
  count += (inv_sorted_A * i) % 1000000007 + inv_A % 1000000007

print(count)  

Fixed code:
N,K = map(int, input().split())
A = list(map(int, input().split()))
sorted_A = sorted(A)

inv_A = 0
for i in range(0,N):
  for j in range(0,N):
    if i<j and A[i] > A[j]:
      inv_A += 1

inv_sorted_A = 0
for i in range(0,N):
  for j in range(0,N):
    if i<j and sorted_A[i] < sorted_A[j]:
      inv_sorted_A += 1

if K == 1:
  print(inv_A)
else:  
  count = inv_sorted_A * K * (K-1) // 2  + inv_A * K 
  print(count % 1000000007)
Buggy code:
from sys import stdin
import numpy as np

n, k = map(int, stdin.readline().rstrip().split(' '))
arg = np.array(list(map(int, stdin.readline().rstrip().split(' '))))
small = []
for i, val in enumerate(arg):
    small.append([np.count_nonzero(arg[:i+1] < val), np.count_nonzero(arg[i+1:] < val)])
smallnd = np.array(small)
a, b = np.sum(smallnd, axis=0)
#k_d = k % (10**9+7)
res = k*(a*(k-1)+b*(k+1))//2
print(int(res % (10**9+7)))

Fixed code:
from sys import stdin
import numpy as np

n, k = map(int, stdin.readline().rstrip().split(' '))
arg = np.array(list(map(int, stdin.readline().rstrip().split(' '))))
small = []
for i, val in enumerate(arg):
    small.append([np.count_nonzero(arg[:i] < val), np.count_nonzero(arg[i+1:] < val)])
smallnd = np.array(small)

a, b = np.sum(smallnd, axis=0)

res = k*(int(a)*(k-1)+int(b)*(k+1))//2

print(int(res % (10**9+7)))
Buggy code:
from decimal import Decimal

N,K = map(int,input().split())
A = list(map(int,input().split()))
mod = 10 ** 9 + 7
ans = 0

def tosa(a,n):
    s = Decimal(n / 2) * (2*a+(n-1)*a)
    return int(s)

if N == 1:
    print(ans)
    exit()

for i in range(N-1):
    for j in range(i+1,N):
        if A[i] > A[j]:
            ans += 1

print(tosa(ans,K)%mod)

Fixed code:
from decimal import Decimal

N,K = map(int,input().split())
A = list(map(int,input().split()))
mod = 10 ** 9 + 7
ans = 0
cnt = 0

def tosa(a,n,d):
    s = Decimal(n / 2) * (2*a+(n-1)*d)
    return int(s)

if N == 1:
    print(ans)
    exit()

for i in range(N-1):
    for j in range(i+1,N):
        if A[i] == A[j]:
            cnt += 1
        if A[i] > A[j]:
            ans += 1

d = N*(N-1)//2
print(tosa(ans,K,d-cnt)%mod)
Buggy code:
n,k=map(int,input().split())
box=list(map(int,input().split()))

count=0
for i in range(n):
    for j in box[i:]:
        if box[i]>j:
            count +=1

count_2=0
for i in range(n):
    for j in box:
        if box[i]>j:
            count_2 +=1

ans=(count*k)%10**9+7 + (count_2*k*(k-1)//2)%10**9+7
print(ans%(10**9+7))

Fixed code:
n,k=map(int,input().split())
box=list(map(int,input().split()))

count=0
for i in range(n):
    for j in box[i:]:
        if box[i]>j:
            count +=1

count_2=0
for i in range(n):
    for j in box:
        if box[i]>j:
            count_2 +=1

ans=(count*k)%(10**9+7) + ((count_2*k*(k-1))//2)%(10**9+7)
print(ans%(10**9+7))