qyliang/CodeNanoFix huggingface dataset:
Buggy code:
# -*- coding: utf-8 -*-
import sys
import copy
import collections
from bisect import bisect_left
from bisect import bisect_right
from collections import defaultdict
from heapq import heappop, heappush, heapify
import math
import itertools
import random
 
# NO, PAY-PAY
#import numpy as np
#import statistics
#from statistics import mean, median,variance,stdev
 
INF = float('inf')
def inputInt(): return int(input())
def inputMap(): return map(int, input().split())
def inputList(): return list(map(int, input().split()))
 
def main():
    N,K = inputMap()
    A = inputList()
    
    ten = 0
    ten_zen = 0
    for i,vol in enumerate(A):
        for j,val in enumerate(A):
            if i >= j:
                if vol > val:
                    print("{} {}".format(vol, val))
                    ten_zen += 1
                continue
            if vol > val:
                ten += 1
                ten_zen += 1
                
    ans = (K*ten) + ((K-1)*ten_zen)
    
    #print("{} {}".format(ten,ten_zen))
    print(ans)
    
    
if __name__ == "__main__":
	main()


Fixed code:
# -*- coding: utf-8 -*-
import sys
import copy
import collections
from bisect import bisect_left
from bisect import bisect_right
from collections import defaultdict
from heapq import heappop, heappush, heapify
import math
import itertools
import random
 
# NO, PAY-PAY
#import numpy as np
#import statistics
#from statistics import mean, median,variance,stdev
 
INF = float('inf')
def inputInt(): return int(input())
def inputMap(): return map(int, input().split())
def inputList(): return list(map(int, input().split()))
 
def main():
    N,K = inputMap()
    A = inputList()
    
    ten = 0
    ten_zen = 0
    for i,vol in enumerate(A):
        for j,val in enumerate(A):
            if i >= j:
                if vol > val:
                    #print("{} {}".format(vol, val))
                    ten_zen += 1
                continue
            if vol > val:
                ten += 1
                ten_zen += 1
                
    #ans = (K*ten) + ((K-1)*ten_zen)
    #ans = ans%1000000007
    
    ans = (K*ten)%1000000007
    tmp = (K*(K-1)) // 2
    ans = ans + ((tmp * ten_zen)%1000000007)
    
    print(ans%1000000007)
    
    
if __name__ == "__main__":
	main()
Buggy code:
#######################################
prime = 10**9+7

def sowa(num):
  return int((1+num)*num/2)
#######################################
n,k = map(int, input().split())
a = list(map(int, input().split()))

tento1 = [sum([1 if a[i]>a[j] else 0 for j in range(i+1,n)]) for i in range(n-1)]
tento2 = [sum([1 if a[i]>a[j] else 0 for j in range(n)]) for i in range(n)]


ret = (sum(tento1) *k %prime) + (sum(tento2) *(sowa(k) %prime) %prime)
print(ret%prime)


Fixed code:
#######################################
prime = 10**9+7

def sowa(num):
  return int((1+num)*num//2)
#######################################
n,k = map(int, input().split())
a = list(map(int, input().split()))

tento1 = [sum([1 if a[i]>a[j] else 0 for j in range(i+1,n)]) for i in range(n-1)]
tento2 = [sum([1 if a[i]>a[j] else 0 for j in range(n)]) for i in range(n)]


ret = (sum(tento1) *k %prime) + (sum(tento2) *(sowa(k-1) %prime) %prime)
print(int(ret%prime))
Buggy code:
n,k=map(int,input().split())
alist=[int(i) for i in input().split()]
blist=alist+alist
counta=0
countb=0
for i in range(n):
	for j in range(i+1,n):
		if alist[i] > alist[j]:
			counta+=1
for i in range(n*2):
	for j in range(i+1,n*2):
		if blist[i] > blist[j]:
			countb+=1
minus=countb-counta
print((counta+(k*(k-1)//2)*minus)%(10**9+7))

Fixed code:
n,k=map(int,input().split())
alist=[int(i) for i in input().split()]
blist=alist+alist
counta=0
countb=0
for i in range(n):
	for j in range(i+1,n):
		if alist[i] > alist[j]:
			counta+=1
for i in range(n):
	for j in range(n,n*2):
		if blist[i] > blist[j]:
			countb+=1
print((counta*k+(k*(k-1)//2)*countb)%(10**9+7))
Buggy code:
N,K=[int(i) for i in input().split(" ")]
A=[int(i) for i in input().split(" ")]


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

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

print(inside,outside)

s=inside*K+outside*((K*(K-1))//2)

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


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


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

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

s=inside*K+outside*((K*(K-1))//2)

print(s%(10**9+7))
Buggy code:
from itertools import groupby

R = lambda: map(int, input().split())
n, k = R()
a = list(R())
w = [0] * n

def merge(b, e):
    m = b + (e - b) // 2
    i, j = b, mid
    r = 0
    while i < m and j < e:
        if a[i] <= a[j]:
            w[i + j] = a[i]
            i += 1
        else:
            r += m - i
            w[i + j] = a[j]
            j += 1
    a[e - m + i: e] = a[i: m]
    a[b: b + i + j] = w[:i + j]
    return r        
    
def mergesort(b, e):
    if e - b < 2:
        return 0
    mid = b + (e - b) // 2
    return mergesort(b, mid) + mergesort(mid, e) + merge(b, e)


r = k * mergesort(0, n)
print(a)
c = n * (n - 1) // 2
for _, g in groupby(a):
    x = sum(1 for _ in g)
    c -= x * (x - 1) // 2
print((r + c * k * (k - 1) // 2) % (10**9 + 7))


Fixed code:
from itertools import groupby

R = lambda: map(int, input().split())
n, k = R()
a = list(R())
w = [0] * n

def merge(b, e):
    mid = b + (e - b) // 2
    in1, in2 = b, mid
    out = 0
    r = 0
    while in1 < mid and in2 < e:
        if a[in1] <= a[in2]:
            w[out] = a[in1]
            in1 += 1
        else:
            r += mid - in1
            w[out] = a[in2]
            in2 += 1
        out += 1
    a[e - mid + in1: e] = a[in1: mid]
    a[b: b + out] = w[:out]
    return r        
    
def mergesort(b, e):
    if e - b < 2:
        return 0
    mid = b + (e - b) // 2
    return mergesort(b, mid) + mergesort(mid, e) + merge(b, e)


r = k * mergesort(0, n)
c = n * (n - 1) // 2
for _, g in groupby(a):
    x = sum(1 for _ in g)
    c -= x * (x - 1) // 2
print((r + c * k * (k - 1) // 2) % (10**9 + 7))
Buggy code:
N,K = map(int, input().split())
A = list(map(int, input().split()))
def bubble_sort(A):
    cnt = 0
    for i in range(len(A)):
        for j in range(len(A)-1, i, -1):
            if A[j] < A[j-1]:
                A[j], A[j-1] = A[j-1], A[j]
                cnt += 1
    return cnt
cnt_A = bubble_sort(A)
A_min=0
for i in range(len(A)):
  l_odd = [k for k in A if k<A[i]]
  A_min += len(l_odd)
result = int((cnt_A*K + A_min*(K-1)*K/2)%((10**9)+7))
print(result)

Fixed code:
N,K = map(int, input().split())
A = list(map(int, input().split()))
def bubble_sort(A):
    cnt = 0
    for i in range(len(A)):
        for j in range(len(A)-1, i, -1):
            if A[j] < A[j-1]:
                A[j], A[j-1] = A[j-1], A[j]
                cnt += 1
    return cnt
cnt_A = bubble_sort(A)
A_min=0
for i in range(len(A)):
  l_odd = [k for k in A if k<A[i]]
  A_min += len(l_odd)
result = int((cnt_A*K + A_min*(K-1)*K//2)%((10**9)+7))
print(result)
Buggy code:
n,k=map(int,input().split())
a=list(map(int,input().split()))

ans_mono=0
ans_di=0
for i in range(n):
    for j in range(i+1,n):
        if a[i]>a[j]:ans_mono+=1
for i in range(n):
    for j in range(n):
        if a[i]>a[j]:ans_di+=1
print(int((ans_mono*k+ans_di*(k*(k-1)//2))%(1e+9+7)))


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

ans_mono=0
ans_di=0
for i in range(n):
    for j in range(i+1,n):
        if a[i]>a[j]:ans_mono+=1
for i in range(n):
    for j in range(n):
        if a[i]>a[j]:ans_di+=1
print((ans_mono*k+ans_di*(k*(k-1)//2))%int(1e+9+7))
Buggy code:
n, k = map(int, input().split())
a = list(map(int, input().split()))
from collections import Counter
c = Counter(a)
x = 0
for i in range(n-1):
    for j in range(i + 1, n):
        if a[i] > a[j]:
            x += 1
y = 0
mod = 10 ** 9 + 7
for i in range(n):
    for j in c.keys():
        if j < a[i]:
            y += c[j]
print((((y*k*(k-1)//2 )%mod)+(k*y)%mod)%mod)

Fixed code:
n, k = map(int, input().split())
a = list(map(int, input().split()))
from collections import Counter
c = Counter(a)
x = 0
for i in range(n-1):
    for j in range(i + 1, n):
        if a[i] > a[j]:
            x += 1
y = 0
mod = 10 ** 9 + 7
for i in range(n):
    for j in c.keys():
        if j < a[i]:
            y += c[j]
print((((y*k*(k-1)//2 ))+(k*x)%mod)%mod)
Buggy code:
def solve():
    N, K, *a_l = map(int, open(0).read().split())
    MOD = 10**9+7
    count_a, count_b = 0, 0
    inversion = 0

    for i in range(N):
        for j in range(N):
            if a_l[i] > a_l[j]:
                if i < j:
                    count_a += 1
                count_b += 1

    inversion = count_a * K + count_b * (K * (K - 1)) // 2
    print(inversion%MOD)
    print(count_a)
    print(count_b)


if __name__ == '__main__':
    solve()


Fixed code:
def solve():
    N, K, *a_l = map(int, open(0).read().split())
    MOD = 10**9+7
    count_a, count_b = 0, 0
    inversion = 0

    for i in range(N):
        for j in range(N):
            if a_l[i] > a_l[j]:
                if i < j:
                    count_a += 1
                count_b += 1

    inversion = count_a * K + count_b * (K * (K - 1)) // 2
    print(inversion%MOD)



if __name__ == '__main__':
    solve()
Buggy code:
N, K = map(int, input().split())
a_array = [int(i) for i in input().split()]

countR=0
countA=0

for i in range(N):
    for j in range(i+1, N):
        if a_array[i] > a_array[j]:
            countR += 1

    for j in range(N):
        if a_array[i] > a_array[j]:
            countA += 1

print(int(countR * K + countA * K * (K-1) / 2)%(10**9+7))

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

countR=0
countA=0

for i in range(N):
    for j in range(i+1, N):
        if a_array[i] > a_array[j]:
            countR += 1

    for j in range(N):
        if a_array[i] > a_array[j]:
            countA += 1

print(int((countR * K + countA * K * (K-1) // 2)%(10**9+7)))
Buggy code:
from itertools import combinations, accumulate
n,m = map(int,input().split())
a = list(map(int,input().split()))
mod = 10**9+7
ans = 0
ls = [0]*2001
for i in a:
  ls[i] += 1
accls = list(accumulate(a))
for i,j in combinations(a,2):
  if i>j:
    ans += 1
for i in range(1,2001):
  if ls[i]>=1:
    ans = (ans + accls[i-1]*(m-1))%mod
print(ans)

Fixed code:
from itertools import combinations, accumulate
n,m = map(int,input().split())
a = list(map(int,input().split()))
mod = 10**9+7
ans = 0
ls = [0]*2001
for i in a:
  ls[i] += 1
accls = list(accumulate(ls))
for i,j in combinations(a,2):
  if i>j:
    ans += 1
ans = ans*m%mod
for i in range(1,2001):
  if ls[i]>=1:
    ans = (ans + ls[i]*accls[i-1]*m*(m-1)//2)%mod
print(ans)
Buggy code:
n,k=map(int,input().split())
a=list(map(int,input().split()))
ans=0
ans1=0
l=0
for i in range(k):
  l+=i
for i in range(n):
  for j in a:
    if a[i]<j:
      ans+=1
for i in range(n-1):
  for j in range(i+1,n):
    if a[i]>a[j]:
      ans1+=1
print((ans1*k+(ans+ans1)*l)%(10**9+7))
  

Fixed code:
n,k=map(int,input().split())
a=list(map(int,input().split()))
ans=0
ans1=0
for i in range(n):
  for j in a:
    if a[i]<j:
      ans+=1
for i in range(n-1):
  for j in range(i+1,n):
    if a[i]>a[j]:
      ans1+=1
print((ans1*k+ans*(k*(k-1)//2))%(10**9+7))
Buggy code:
import bisect
mod = 10**9+7
def main():
    n,k=map(int,input().split(' '))
    a = list(map(int,input().split(' ')))
    a_fall= 0
    a_rev = sorted(a,reverse=True)
    u_cnt = 0
    for i in range(n-1):
        a_sorted = sorted(a[i+1:])
        a_fall += bisect.bisect_left(a_sorted,a[i])
        a_fall %=mod
    for i in range(n-1):
        if a_rev[i] > a_rev[i+1]:
            u_cnt += n-i-1
    ans = a_fall+u_cnt*(k-1)//2
    ans %= mod
    ans *= k
    ans %= mod
    print(ans)

if __name__ == '__main__':
    main()

Fixed code:
import bisect
mod = 10**9+7
def main():
    n,k=map(int,input().split(' '))
    a = list(map(int,input().split(' ')))
    a_fall= 0
    a_rev = sorted(a,reverse=True)
    u_cnt = 0
    for i in range(n-1):
        a_sorted = sorted(a[i+1:])
        a_fall += bisect.bisect_left(a_sorted,a[i])
        a_fall %=mod
    a_sorted = sorted(a)
    for i in a:
        u_cnt += bisect.bisect_left(a_sorted,i)
    ans = a_fall*k+u_cnt*(k-1)*k//2
    ans %= mod
    print(ans)

if __name__ == '__main__':
    main()
Buggy code:
import bisect
n,k=map(int,input().split())
mod=10**9+7;ans=0
a=list(map(int,input().split()))
c=sorted(a)
d=[0]*n
e=[0]*n
for i in range(n):
  d[i]=bisect.bisectleft(c,a[i])
for i in range(n):
  cnt=0
  for j in range(i,n):
    if a[i]>a[j]:
      cnt+=1
  e[i]=cnt
st=sum(e)*k%mod
ad=sum(d)%mod
print((st+(ad*(k-1)*k//2)%mod)%mod)

Fixed code:
import bisect
n,k=map(int,input().split())
mod=10**9+7
a=list(map(int,input().split()))
c=sorted(a)
d=[0]*n
e=[0]*n
for i in range(n):
  d[i]=bisect.bisect_left(c,a[i])
for i in range(n):
  cnt=0
  for j in range(i,n):
    if a[i]>a[j]:
      cnt+=1
  e[i]=cnt
st=sum(e)*k%mod
ad=sum(d)%mod
print((st+(ad*(k-1)*k//2)%mod)%mod)
Buggy code:
import math
def counter(A):
    cnt = 0
    for i,ai in enumerate(A):
        cnt += sum(a < ai for a in A[i+1:])
    return cnt
def counter_two(A):
    cnt = 0
    for i,ai in enumerate(A):
        cnt += sum(a < ai for a in A)
    return cnt
  

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

one_a = counter_one(A)
two_a = counter_two(A)

ans = (one_a*K)+((two_a)*(K*(K-1)//2))
print(int(ans%((10**9)+7)))  

Fixed code:
import math
def counter_one(A):
    cnt = 0
    for i,ai in enumerate(A):
        cnt += sum(a < ai for a in A[i+1:])
    return cnt
def counter_two(A):
    cnt = 0
    for i,ai in enumerate(A):
        cnt += sum(a < ai for a in A)
    return cnt
  

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

one_a = counter_one(A)
two_a = counter_two(A)

ans = (one_a*K)+((two_a)*(K*(K-1)//2))
print(int(ans%((10**9)+7)))
Buggy code:
N,K=(input().split())
N,K=int(N),int(K)
seq=list(input().split())
seq=[int(x) for x in seq]
print(seq)
cou=0
C=0
inc=0
for i in range(len(seq)):
    for j in range(i+1,len(seq)):
        if seq[i]>seq[j]: cou+=1
        if seq[i]<seq[j]: inc+=1
for m in range(K):
    C+=((K-m)*cou+m*inc)
print(C%(10**9+7))


Fixed code:
N,K=(input().split())
N,K=int(N),int(K)
seq=list(input().split())
seq=[int(x) for x in seq]
cou=0
C=0
inc=0
for i in range(len(seq)):
    for j in range(i+1,len(seq)):
        if seq[i]>seq[j]: cou+=1
for i in range(len(seq)):
    for j in range(len(seq)):
        if seq[i]>seq[j]: inc+=1
C=(K*(K-1)//2)*inc+K*cou
print(C%(10**9+7))
Buggy code:
import sys
sys.setrecursionlimit(100000000)
#input = sys.stdin.readline

def solve():
  n,k = (int(i) for i in input().split())
  a = list(int(i) for i in input().split())
  mod = 10**9+7
  firstt = [0]*n
  for i in range(n-1):
    for j in range(i+1,n):
     if a[i] > a[j]:
      firstt[i] += 1
      
  secondt = [0]*n
  a2 =  a + a
  for i in range(n):
   for j in range(i+1,2*n):
    if a2[i] > a2[j]:
      secondt[i] += 1
  
  query = []
  for i in range(n):
    query.append(secondt[i]-2*firstt[i])

  ans = 0
  for i in range(n):
    
    ans += (query[i]*(k*(k-1)%mod))
    ans += (firstt[i]*(k*(k+1)%mod))
    ans //= 2
    ans %= mod
  print(int(ans%mod))
solve()


Fixed code:
import sys
sys.setrecursionlimit(100000000)
#input = sys.stdin.readline

def solve():
  n,k = (int(i) for i in input().split())
  a = list(int(i) for i in input().split())
  mod = 10**9+7
  firstt = [0]*n
  for i in range(n-1):
    for j in range(i+1,n):
     if a[i] > a[j]:
      firstt[i] += 1
      
  secondt = [0]*n
  a2 =  a + a
  for i in range(n):
   for j in range(i+1,2*n):
    if a2[i] > a2[j]:
      secondt[i] += 1
  
  query = []
  for i in range(n):
    query.append(secondt[i]-2*firstt[i])

  ans = 0
  for i in range(n):
    tmp = 0
    tmp += (query[i]*(k*(k-1)))
    tmp += (firstt[i]*(k*(k+1)))
    tmp //= 2
    ans += tmp
  print(ans%mod)
solve()
Buggy code:
n,k=map(int,input().split())
a=list(map(int,input().split()))
mod=10**9+7
print(sum((r+((sum(a[i]>j for j in a[i:])*(k*(k+1)//2)%mod)+(sum(a[i]>j for j in a[:i+1])*(k*(k-1)//2)%mod))%mod)%mod for i in range(n)))

Fixed code:
n,k=map(int,input().split())
a=list(map(int,input().split()))
mod=10**9+7
print(sum((((sum(a[i]>j for j in a[i:])*(k*(k+1)//2)%mod)+(sum(a[i]>j for j in a[:i+1])*(k*(k-1)//2)%mod))%mod) for i in range(n))%mod)
Buggy code:
n, k = map(int, input().split())
a = list(map(int, input().split()))
total_1 = 0
for i in range (n - 1):
    for j in range (i, n):
        if a[i] > a[j]:
            total_1 += 1
total_2 = 0
for i in range (n):
    for j in range (i):
        if a[i] > a[j]:
            total_2 += 1
print((total_1 * k + total_2 * k * k - 1 // 2) % 10 ** 9 + 7)

Fixed code:
n, k = map(int, input().split())
a = list(map(int, input().split()))
total_1 = 0
for i in range (n - 1):
    for j in range (i + 1, n):
        if a[i] > a[j]:
            total_1 += 1
total_2 = 0
for i in range (n):
    for j in range (n):
        if a[i] > a[j]:
            total_2 += 1
print((total_1 * k + (total_2 * k * (k - 1)) // 2) % (10 ** 9 + 7))
Buggy code:
n, k = map(int, input().split())
a = list(map(int, input().split()))
mod = 10**9 + 7
ans = 0
fflag = 0
bflag = 0

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

ans = (int((fflag+bflag)*k*(k+1)/2) - fflag*k)%mod
print(ans)

Fixed code:
n, k = map(int, input().split())
a = list(map(int, input().split()))
mod = 10**9 + 7
ans = 0
fflag = 0
bflag = 0

for i in range(n):
    for j in range(n):
        if i > j:
            if a[i] > a[j]:
                fflag += 1
        elif i < j:
            if a[i] > a[j]:
                bflag += 1

ans = ((fflag+bflag)*k*(k+1)//2 - fflag*k)%mod
print(ans)
Buggy code:
import sys
input = sys.stdin.readline

n,k = map(int,input().split())
a = list(map(int,input().split()))
cnt = 0
for i in range(n-1):
  for j in range(i+1,n):
    if a[i] > a[j]:
      cnt += k*(k+1)/2

b = list(reversed(a))
for l in range(n-1):
  for m in range(l+1,n):
    if b[l] > b[m]:
      cnt += (k-1)*k/2
      
x = 10**9 + 7
print(int(cnt%x))

Fixed code:
import sys
input = sys.stdin.readline

n,k = map(int,input().split())
a = list(map(int,input().split()))
cnt1 = 0
for i in range(n-1):
  for j in range(i+1,n):
    if a[i] > a[j]:
      cnt1 += 1
cnt1 = cnt1*k

cnt2 = 0
for l in range(n):
  for m in range(n):
    if a[l] > a[m]:
      cnt2 += 1
cnt2 = cnt2*k*(k-1)//2

cnt = cnt1 + cnt2

x = 10**9 + 7
print(int(cnt%x))
Buggy code:
import sys
input = sys.stdin.readline

n, k = map(int, input().split())
a = list(map(int, input().split()))
a = a + a
print(a)
l = [0 for _ in range(2*n)]
for j in range(1, 2 * n):
	cnt = 0
	for i in range(j):
		if a[i] > a[j]:
			cnt += 1
	l[j] = cnt
base = sum(l[:n])
inc = sum(l[n:])
inc -= base
if k == 1:
	print(base)
else:
	print((base * k + inc * k * (k - 1) // 2) % (int(1e9 + 7)))


Fixed code:
import sys
input = sys.stdin.readline

n, k = map(int, input().split())
a = list(map(int, input().split()))
a = a + a
#print(a)
l = [0 for _ in range(2*n)]
for j in range(1, 2 * n):
	cnt = 0
	for i in range(j):
		if a[i] > a[j]:
			cnt += 1
	l[j] = cnt
base = sum(l[:n])
inc = sum(l[n:])
inc -= base
if k == 1:
	print(base)
else:
	print((base * k + inc * k * (k - 1) // 2) % (int(1e9 + 7)))
Buggy code:
# coding: utf-8

list1 = input().split()
list2 = input().split()
N = int(list1[0])
K = int(list1[1])
a = [int(i) for i in list2]

cnt_l = 0
cnt_r = 0
for j in range(len(a)):
    for i in range(j):
        if a[i] > a[j]:
            cnt_l = cnt_l + 1
    for i in range(j, len(a)):
        if a[i] > a[j]:
            cnt_r = cnt_r + 1

res = ((cnt_l * K * (K+1) / 2) + (cnt_r * (K-1) * K /2)) % (10**9 + 7)

print(int(res))

Fixed code:
# coding: utf-8

list1 = input().split()
list2 = input().split()
N = int(list1[0])
K = int(list1[1])
a = [int(i) for i in list2]

cnt_l = 0
cnt_r = 0
for j in range(len(a)):
    for i in range(j):
        if a[i] > a[j]:
            cnt_l = cnt_l + 1
    for i in range(j, len(a)):
        if a[i] > a[j]:
            cnt_r = cnt_r + 1

res = ((cnt_l * K * (K+1) // 2) + (cnt_r * (K-1) * K //2)) % (10**9 + 7)

print(int(res))
Buggy code:
from collections import defaultdict

def main():
    N, K = map(int, input().split())
    A = list(map(int, input().split()))
    
    A2 = A + A
    d2 = defaultdict(int)
    for i in range(2*N):
        for j in range(i,2*N):
            if A2[i] > A2[j]:
                d2[A2[i]] += 1

    d = defaultdict(int)
    for i in range(N):
        for j in range(i,N):
            if A[i] > A[j]:
                d2[A2[i]] -= 1
                d[A[i]] += 1
    ans = 0
    for key,value in d2.items():
        ans += (K / 2) * (2 * d[key] + (K - 1) * (value - d[key])) 
        
    print(int(ans) % (10 ** 9 + 7) )

main()

Fixed code:
from collections import defaultdict

def main():
    N, K = map(int, input().split())
    A = list(map(int, input().split()))
    MOD = 10 ** 9 + 7
    A2 = A + A
    d2 = defaultdict(int)
    for i in range(2*N):
        for j in range(i,2*N):
            if A2[i] > A2[j]:
                d2[A2[i]] += 1

    d = defaultdict(int)
    for i in range(N):
        for j in range(i,N):
            if A[i] > A[j]:
                d2[A2[i]] -= 1
                d[A[i]] += 1
    ans = 0

    for key,value in d2.items():
        ans += (K * ((2 * d[key] + (K - 1) * (value - d[key])))) // 2
        
    print(int(ans) % MOD)

main()
Buggy code:

SOSU = (10**9 + 7)

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

#print(A)

cntall = 0
cntusiro = 0

for indexi, i in enumerate(A):
    for indexj, j in enumerate(A):
        if i > j :
            cntall += 1
            if indexi < indexj:
                cntusiro += 1

anst = (k*(k -1))*cntall/2 + k * cntusiro 


ans = anst % SOSU

print(int(ans))

Fixed code:

SOSU = (10**9 + 7)

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

#print(A)

cntall = 0
cntusiro = 0

for indexi, i in enumerate(A):
    for indexj, j in enumerate(A):
        if i > j :
            cntall += 1
            if indexi < indexj:
                cntusiro += 1
        #print("roop:",i,j,indexi,indexj,cntall,cntusiro)

anst = (k*(k -1))*cntall//2 + k * cntusiro 


ans = anst % SOSU

#print ( cntall, cntusiro)
#print(anst)
print(int(ans) )
Buggy code:
mod=10**9+7
n,k=map(int,input().split())

l=list(map(int,input().split()))

ain=0
aout=0

for i in range(n):
    for j in range(n):
        if l[i]>l[j]:
            aout+=1
            if i>j:
                ain+=1
ain*=k
aout*=k*(k-1)//2
print((ain+aout)%mod)



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

l=list(map(int,input().split()))
mod=10**9+7

ain=0
aout=0

for i in range(n):
    for j in range(n):
        if l[i]>l[j]:
            aout+=1
            if i<j:
                ain+=1
ain*=k
aout*=k*(k-1)//2

print((ain+aout)%mod)
Buggy code:

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

MOD = pow(10,9) + 7

p = 0

c = 0
d = 0
for i in range(n):
    for j in range(i+1,n):
      if(a[i] > a[j]):
        c += 1
        d += 1
      elif(a[i] < a[j]):
        d += 1


ans = int(c * k % MOD) + int( int((k *(k-1)/2) % MOD) * d)
ans = int(ans%MOD)

print(ans)

Fixed code:
import sys
sys.setrecursionlimit(10**9)

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

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

MOD = pow(10,9) + 7

p = 0

c = 0
d = 0
for i in range(n):
  for j in range(i+1,n):
    if(a[i] > a[j]):
      c += 1
      d += 1
    elif(a[i] < a[j]):
      d += 1


ans = int(c * k % MOD) + int( (k *(k-1)//2) % MOD * d)
ans = int(ans%MOD)

print(ans)