Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
x1, y1, x2, y2 = map(int, input().split())

a, b = abs(x2 - x1), abs(y1 - y2)

if (x1 <= x2)and(y1 <= y2):
    x3, y3 = x2 - b, y2 + a
    x4, y4 = x3 - a, y3 - b
elif (x1 > x2)and(y1 < y2):
    x3, y3 = x2 - b, y2 - a
    x4, y4 = x3 + a, y3 - b
elif (x1 > x2)and(y1 > y2):
    x3, y3 = x2 + b, y2 - a
    x4, y4 = x3 + a, y3 + b
elif (x1 < x2)and(y1 > y2):
    x3, y3 = x2 + b, y2 + a
    x4, y4 = x3 - a, y3 + b


print(x3, y3, x4, y4)

Fixed submission:
x1, y1, x2, y2 = map(int, input().split())

a, b = abs(x2 - x1), abs(y1 - y2)

if (x1 <= x2)and(y1 <= y2):
    x3, y3 = x2 - b, y2 + a
    x4, y4 = x3 - a, y3 - b
elif (x1 >= x2)and(y1 <= y2):
    x3, y3 = x2 - b, y2 - a
    x4, y4 = x3 + a, y3 - b
elif (x1 >= x2)and(y1 >= y2):
    x3, y3 = x2 + b, y2 - a
    x4, y4 = x3 + a, y3 + b
elif (x1 <= x2)and(y1 >= y2):
    x3, y3 = x2 + b, y2 + a
    x4, y4 = x3 - a, y3 + b

print(x3, y3, x4, y4)

Buggy python submission (verdict: Runtime Error):
x1, y1, x2, y2 = map(int, input().split())

a, b = abs(x2 - x1), abs(y1 - y2)

if (x1 <= x2)and(y1 <= y2):
    x3, y3 = x2 - b, y2 + a
    x4, y4 = x3 - a, y3 - b
elif (x1 > x2)and(y1 < y2):
    x3, y3 = x2 - b, y2 - a
    x4, y4 = x3 + a, y3 - b
elif (x1 > x2)and(y1 > y2):
    x3, y3 = x2 + b, y2 - a
    x4, y4 = x3 + a, y3 + b
elif (x1 < x2)and(y1 > y2):
    x3, y3 = x2 + b, y2 + a
    x4, y4 = x3 - a, y3 + b


print("{} {} {} {}".format(x3, y3, x4, y4))

Fixed submission:
x1, y1, x2, y2 = map(int, input().split())

a, b = abs(x2 - x1), abs(y1 - y2)

if (x1 <= x2)and(y1 <= y2):
    x3, y3 = x2 - b, y2 + a
    x4, y4 = x3 - a, y3 - b
elif (x1 >= x2)and(y1 <= y2):
    x3, y3 = x2 - b, y2 - a
    x4, y4 = x3 + a, y3 - b
elif (x1 >= x2)and(y1 >= y2):
    x3, y3 = x2 + b, y2 - a
    x4, y4 = x3 + a, y3 + b
elif (x1 <= x2)and(y1 >= y2):
    x3, y3 = x2 + b, y2 + a
    x4, y4 = x3 - a, y3 + b

print(x3, y3, x4, y4)

Buggy python submission (verdict: Runtime Error):
x1, y1, x2, y2 = map(int, input().split())

a, b = abs(x2 - x1), abs(y1 - y2)

print(a, b)

if (x1 <= x2)and(y1 <= y2):
    x3, y3 = x2 - b, y2 + a
    x4, y4 = x3 - a, y3 - b
elif (x1 > x2)and(y1 < y2):
    x3, y3 = x2 - b, y2 - a
    x4, y4 = x3 + a, y3 - b
elif (x1 > x2)and(y1 > y2):
    x3, y3 = x2 + b, y2 - a
    x4, y4 = x3 + a, y3 + b
elif (x1 < x2)and(y1 > y2):
    x3, y3 = x2 + b, y2 + a
    x4, y4 = x3 - a, y3 + b


print("{} {} {} {}".format(x3, y3, x4, y4))

Fixed submission:
x1, y1, x2, y2 = map(int, input().split())

a, b = abs(x2 - x1), abs(y1 - y2)

if (x1 <= x2)and(y1 <= y2):
    x3, y3 = x2 - b, y2 + a
    x4, y4 = x3 - a, y3 - b
elif (x1 >= x2)and(y1 <= y2):
    x3, y3 = x2 - b, y2 - a
    x4, y4 = x3 + a, y3 - b
elif (x1 >= x2)and(y1 >= y2):
    x3, y3 = x2 + b, y2 - a
    x4, y4 = x3 + a, y3 + b
elif (x1 <= x2)and(y1 >= y2):
    x3, y3 = x2 + b, y2 + a
    x4, y4 = x3 - a, y3 + b

print(x3, y3, x4, y4)
Buggy python submission (verdict: Runtime Error):
N = int(input())
a = list(map(int, input().split()))

alice = 0
bob = 0

for n in range(N):
    card = max(a)
    alice += card
    a.remove(card)
    if len(a) == 0:
        break
    card = max(a)
    bob += card
    a.remove(card)

print(alice - bob)

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

alice = 0
bob = 0

for n in range(N):
    if len(a) == 0:
        break
    card = max(a)
    alice += card
    a.remove(card)
    if len(a) == 0:
        break
    card = max(a)
    bob += card
    a.remove(card)

print(alice - bob)
Buggy python submission (verdict: Runtime Error):
N = int(input())

ans = 0


for x in range(1, N + 1):
    ans_ = 0
    k = x
    for y in range(999):
        if x % 2 == 0:
            x /= 2
            ans_ += 1
        else:
            break
    if ans_ > ans:
        ans = ans_
        kk = k
print(kk)

Fixed submission:
N = int(input())

ans = 0

kk = 1
for x in range(1, N + 1):
    ans_ = 0
    k = x
    for y in range(999):
        if x % 2 == 0:
            x /= 2
            ans_ += 1
        else:
            break
    if ans_ > ans:
        ans = ans_
        kk = k
print(kk)

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

ans = 0


for x in range(1, N + 1):
    ans_ = 0
    k = x
    for y in range(x):
        if x % 2 == 0:
            x /= 2
            ans_ += 1
        else:
            break
    if ans_ > ans:
        ans = ans_
        kk = k
print(kk)

Fixed submission:
N = int(input())

ans = 0

kk = 1
for x in range(1, N + 1):
    ans_ = 0
    k = x
    for y in range(999):
        if x % 2 == 0:
            x /= 2
            ans_ += 1
        else:
            break
    if ans_ > ans:
        ans = ans_
        kk = k
print(kk)
Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
l=list(map(int,input().split()))
m=10**9+7
s=0
for i in range(n-1):
    s+=l[i]*sum(l[i+1:])
print(s%m)


Fixed submission:
n=int(input())
l=list(map(int,input().split()))
a=sum(l[1:])
m=10**9+7
s=0
for v,u in zip(l[:-1],l[1:]):
    s+=v*a
    a-=u
print(s%m)
Buggy python submission (verdict: Time Limit Exceeded):
n,k=map(int,input().split())
al=list(map(int,input().split()))
b=1
for v in al[:k]:
    b*=v
for i in range(k,n):
    c=1
    for v in al[i-k+1:i+1]:
        c*=v
    print('Yes'if b<c else 'No')
    b=c


Fixed submission:
n,k=map(int,input().split())
al=list(map(int,input().split()))
for b,c in zip(al,al[k:]):
    print('Yes'if b<c else'No')
Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
d=dict({i:0 for i in range(1,n+1)})
for s in range(3,501):
    for x in range(1,s+1-2):
        for y in range(1,s+1-x-1):
            z=s-x-y
            if x<y or y<z:
                continue
            v=x**2+y**2+z**2+x*y+y*z+z*x
            if not v in d:
                continue
            if x==y==z:
                d[v]+=1
            else:
                d[v]+=3
for k in d.keys():
    print(d[k])


Fixed submission:
n=int(input())
d=dict({i:0 for i in range(1,n+1)})
for s in range(3,201):
    for x in range(1,s+1-2):
        for y in range(1,s+1-x-1):
            z=s-x-y
            v=x**2+y**2+z**2+x*y+y*z+z*x
            if not v in d:
                continue
            d[v]+=1
for k in d.keys():
    print(d[k])
Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
as_=list(map(int,input().split()))
for i in range(1,n):
    print(as_[i-1:].count(i))
print(0)


Fixed submission:
n=int(input())
as_=list(map(int,input().split()))
l=[0 for _ in range(n)]
for a in as_:
    l[a-1]+=1
for c in l:
    print(c)

Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
as_=list(map(int,input().split()))
for i in range(1,n):
    print(as_.count(i))
print(0)


Fixed submission:
n=int(input())
as_=list(map(int,input().split()))
l=[0 for _ in range(n)]
for a in as_:
    l[a-1]+=1
for c in l:
    print(c)
Buggy python submission (verdict: Time Limit Exceeded):
import math
from functools import reduce
k=int(input())
sum_=0
for i in range(1,k+1):
    for j in range(1,k+1):
        for l in range(1,k+1):
            sum_+=reduce(math.gcd,[i,j,l])
print(sum_)


Fixed submission:
l=[1,9,30,76,141,267,400,624,885,1249,1590,2208,2689,3411,4248,5248,6081,7485,8530,10248,11889,13687,15228,17988,20053,22569,25242,28588,31053,35463,38284,42540,46581,50893,55362,61824,65857,71247,76884,84388,89349,97881,103342,111528,120141,128047,134580,146316,154177,164817,174438,185836,194157,207927,218812,233268,245277,257857,268182,288216,299257,313635,330204,347836,362973,383709,397042,416448,434025,456967,471948,499740,515581,536073,559758,583960,604833,633651,652216,683712,709065,734233,754734,793188,818917,846603,874512,909496,933081,977145,1006126,1041504,1073385,1106467,1138536,1187112,1215145,1255101,1295142,1342852,1373253,1422195,1453816,1502376,1553361,1595437,1629570,1691292,1726717,1782111,1827492,1887772,1925853,1986837,2033674,2089776,2145333,2197483,2246640,2332104,2379085,2434833,2490534,2554600,2609625,2693919,2742052,2813988,2875245,2952085,3003306,3096024,3157249,3224511,3306240,3388576,3444609,3533637,3591322,3693924,3767085,3842623,3912324,4027884,4102093,4181949,4270422,4361548,4427853,4548003,4616104,4718640,4812789,4918561,5003286,5131848,5205481,5299011,5392008,5521384,5610705,5739009,5818390,5930196,6052893,6156139,6239472,6402720,6493681,6623853,6741078,6864016,6953457,7094451,7215016,7359936,7475145,7593865,7689630,7886244,7984165,8130747,8253888,8403448,8523897,8684853,8802826,8949612,9105537,9267595,9376656,9574704,9686065,9827097,9997134,10174780,10290813,10493367,10611772,10813692]
print(l[int(input())-1])
Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
sn=[input() for _ in range(n)]
l=set(sn)
cnt=[sn.count(s) for s in l]
m=max(cnt)
ans = [s for i,s in enumerate(l) if cnt[i]==m]
for a in sorted(ans):
    print(a)


Fixed submission:
n=int(input())
d={}
for _ in range(n):
    s=input()
    if s in d:
        d[s]+=1
    else:
        d[s]=1
m=max(d.values())
for s in sorted(k for k in d if d[k]==m):
    print(s)
Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
ps=list(map(int,input().split()))
cnt=0
for i,p in enumerate(ps):
    if min(ps[:i+1])==p:
        cnt+=1
print(cnt)


Fixed submission:
n=int(input())
ps=list(map(int,input().split()))
cnt=0
max_=ps[0]
min_=ps[0]
for p in ps:
    if min_>=p:
        cnt+=1
        min_=p
print(cnt)

Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
ps=list(map(int,input().split()))
cnt=0
for i,p in enumerate(ps):
    for q in ps[:i+1]:
        if p>q:
            break
    else:
        cnt+=1
print(cnt)


Fixed submission:
n=int(input())
ps=list(map(int,input().split()))
cnt=0
max_=ps[0]
min_=ps[0]
for p in ps:
    if min_>=p:
        cnt+=1
        min_=p
print(cnt)
Buggy python submission (verdict: Runtime Error):
from math import gcd
a,b=map(int,input().split())
print(int(a*b/gcd(a,b)))


Fixed submission:
from fractions import gcd
a,b=map(int,input().split())
print(int(a*b/gcd(a,b)))
Buggy python submission (verdict: Time Limit Exceeded):
n,k,q=map(int,input().split())
as_=[int(input()) for _ in range(q)]
for p in range(n):
    if k-q+as_.count(p+1)>0:
        print('Yes')
    else:
        print('No')

Fixed submission:
n,k,q=map(int,input().split())
as_=[int(input()) for _ in range(q)]
ps=[k-q]*n
for a in as_:
    ps[a-1]+=1
for p in ps:
    print('Yes'if p>0 else 'No')
Buggy python submission (verdict: Runtime Error):
n, q = map(int, input().split())
tree = [[] for _ in range(n)]
for _ in range(n-1):
    a, b = map(int, input().split())
    tree[a-1].append(b-1)
    tree[b-1].append(a-1)

xs = [0] * n
for _ in range(q):
    p, x = map(int, input().split())
    xs[p-1] += x

ans = [0] * n

def dfs(u, parent=None):
    ans[u] = ans[parent] + xs[u]
    for v in tree[u]:
        if not v == parent:
            dfs(v, u)

dfs(0, 0)
print(' '.join([str(i) for i in ans]))


Fixed submission:
n=int(input())
vs=list(map(int,input().split()))
while not len(vs)==1:
    vs.sort()
    a=vs.pop(0)
    b=vs.pop(0)
    t=(a+b)/2
    vs.append(t)
print(vs[0])
Buggy python submission (verdict: Runtime Error):
n=int(input())
ss=[''.join(sorted(input())) for _ in range(n)]
def p(n):
    if n<=1: return n
    return n+p(n-1)
c=0
for s in set(ss):
    c+=p(ss.count(s)-1)
print(c)


Fixed submission:
n=int(input())
d=dict()
a=0
for _ in range(n):
    s=''.join(sorted(input()))
    if s in d:
        a+=d[s]
        d[s]+=1
    else:
        d[s]=1
print(a)

Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
ss=[input() for _ in range(n)]
ans=0
for i,s in enumerate(ss):
    for s_ in ss[i+1:]:
        if sorted(s)==sorted(s_):
            ans+=1
print(ans)


Fixed submission:
n=int(input())
d=dict()
a=0
for _ in range(n):
    s=''.join(sorted(input()))
    if s in d:
        a+=d[s]
        d[s]+=1
    else:
        d[s]=1
print(a)
Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
as_=[int(input()) for _ in range(n)]
for i in range(n):
    l=as_[:i]+as_[i+1:]
    print(max(l))


Fixed submission:
n=int(input())
as_=[int(input()) for _ in range(n)]
l=sorted(as_)
m1=l[-1]
m2=l[-2]
for a in as_:
    if a==m1:
        print(m2)
    else:
        print(m1)
Buggy python submission (verdict: Time Limit Exceeded):
l,r=map(int,input().split())
a=range(l,r+1)
m=float('inf')
for i in a:
    for j in range(i+1,r+1):
        m=min(m,(i*j)%2019)
print(m)


Fixed submission:
l,r=map(int,input().split())
a=range(l,r+1)
m=float('inf')
for i in a:
    for j in range(i+1,r+1):
        m=min(m,(i*j)%2019)
        if m==0:
            print(0)
            exit()
print(m)
Buggy python submission (verdict: Time Limit Exceeded):
import numpy as np
n=int(input())
ds=list(map(int,input().split()))
sds=sorted(set(ds))
nds=np.array(ds)
ans=0
for i,d in enumerate(sds[1:]):
    l=sum(np.where(nds>=d,1,-1))
    if l==0:
        ans+=(d-sds[i])
print(ans)


Fixed submission:
n=int(input())
ds=list(map(int,input().split()))
ds.sort()
print(ds[n//2]-ds[n//2-1])

Buggy python submission (verdict: Time Limit Exceeded):
import numpy as np
n=int(input())
ds=list(map(int,input().split()))
nds=np.array(ds)
c=0
for k in range(min(ds),max(ds)+1):
    l=sum(np.where(nds<k,1,0))
    if l==n-l:
        c+=1
print(c)


Fixed submission:
n=int(input())
ds=list(map(int,input().split()))
ds.sort()
print(ds[n//2]-ds[n//2-1])
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())
    t=s[l-1:r]
    c=0
    for a,b in zip(t,t[1:]):
        if a=='A' and b=='C':
            c+=1
    print(c)


Fixed submission:
N, Q=map(int, input().split())
S = input()
t = [0]*(N + 1)
for i in range(N):
    t[i+1] = t[i] + (1 if S[i:i+2] == 'AC' else 0)
for i in range(Q):
    l, r = map(int, input().split())
    print(t[r-1]-t[l-1])
Buggy python submission (verdict: Time Limit Exceeded):
n,m=map(int,input().split())
l=sorted([list(map(int,input().split())) for _ in range(n)])
c=[]
for a,b in l:
    for _ in range(b):
        c.append(a)
print(sum(c[:m]))


Fixed submission:
n,m=map(int,input().split())
l=sorted([list(map(int,input().split())) for _ in range(n)])
ans=0
for a,b in l:
    if b<m:
        ans+=(a*b)
        m-=b
    else:
        ans+=(a*m)
        break
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
N,M=map(int,input().split())
X=list(map(int,input().split()))
if(N>=M):
    print(0)
else:
    X.sort()
    b=[]
    for i in range(M-1):
        b.append(X[i+1]-X[i])
    for i in range(N-1):
        b.remove(max(b))
    print(sum(b))


Fixed submission:
N,M=map(int,input().split())
X=list(map(int,input().split()))
if(N>=M):
    print(0)
else:
    X.sort()
    b=[]
    for i in range(M-1):
        b.append(X[i+1]-X[i])
    b.sort()
    for _ in range(N-1):
        b.pop()
    print(sum(b))
Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
vs=list(map(int,input().split()))
xs=vs[0::2]
ys=vs[1::2]
xfs=set(xs)
yfs=set(ys)
m=float('inf')
for xf in xfs:
    for yf in yfs:
        if not xf==yf:
            m=min(m,len(xs)-xs.count(xf)+len(ys)-ys.count(yf))
print(n//2 if m==float('inf') else m)


Fixed submission:
from collections import Counter
n=int(input())
vs=list(map(int,input().split()))
xs=vs[0::2]
ys=vs[1::2]
cx=Counter(xs).most_common()
cy=Counter(ys).most_common()
if len(cx)==1:
    cx.append((0,0))
if len(cy)==1:
    cy.append((-1,0))
if not cx[0][0]==cy[0][0]:
    print(len(xs)-cx[0][1]+len(ys)-cy[0][1])
else:
    mx=len(xs)-cx[1][1]+len(ys)-cy[0][1]
    my=len(xs)-cx[0][1]+len(ys)-cy[1][1]
    print(min(mx,my))
Buggy python submission (verdict: Time Limit Exceeded):
n,k=map(int,input().split())
s=0
if k%2==0:
    l=k//2
    for a in range(1,n+1):
        if a%k==0:
            for b in range(1,n+1):
                if b%k==0:
                    for c in range(1,n+1):
                        if c%k==0:
                            s+=1
        elif a%k==l:
            for b in range(1,n+1):
                if b%k==l:
                    for c in range(1,n+1):
                        if c%k==l:
                            s+=1
else:
    for a in range(1,n+1):
        if a%k==0:
            for b in range(1,n+1):
                if b%k==0:
                    for c in range(1,n+1):
                        if c%k==0:
                            s+=1
print(s)


Fixed submission:
n,k=map(int,input().split())
s=0
if k%2==0:
    s0=0
    for i in range(1,n+1):
        if i%k==0:
            s0+=1
    s1=0
    for i in range(1,n+1):
        if i%k==k//2:
            s1+=1
    s=s0**3+s1**3
else:
    s0=0
    for i in range(1,n+1):
        if i%k==0:
            s0+=1
    s=s0**3
print(s)
Buggy python submission (verdict: Time Limit Exceeded):
n,k=map(int,input().split())
xs=list(map(int,input().split()))
a=float('inf')
for i in range(n-k+1):
    x=xs[i:i+k]
    l=abs(x[0])+abs(x[0]-x[-1])
    r=abs(x[-1])+abs(x[0]-x[-1])
    m=min(l,r)
    a=min(a,m)
print(a)

Fixed submission:
n,k=map(int,input().split())
xs=list(map(int,input().split()))
m=float('inf')
for l,r in zip(xs,xs[k-1:]):
    d=min(abs(l),abs(r))+abs(r-l)
    m=min(m,d)
print(m)
Buggy python submission (verdict: Runtime Error):
n=int(input())
l=list(map(int,input().split()))
m=sorted([a-i for i,a in enumerate(l, start=1)])
b=min(m[len(m)//2],m[len(m)//2+1])
print(sum([abs(a-b) for a in m]))


Fixed submission:
n=int(input())
l=list(map(int,input().split()))
m=sorted([a-i for i,a in enumerate(l, start=1)])
b1,b2=m[n//2],m[n//2-1]
print(min(sum([abs(a-b1) for a in m]),sum([abs(a-b2) for a in m])))
Buggy python submission (verdict: Runtime Error):
a,b=map(int,input().split())
def h(d):
    if d==1:
        return 1
    return h(d-1)+d
print(h(b-a)-b)


Fixed submission:
a,b=map(int,input().split())
h=sum([i for i in range(1,b-a+1)])
print(h-b)
Buggy python submission (verdict: Time Limit Exceeded):
a,b,k=map(int,input().split())
for i in range(a,b+1):
    if i<a+k or b-k<i:
        print(i)


Fixed submission:
a,b,k=map(int,input().split())
al=list(range(a,min(b+1,a+k)))
bl=list(range(max(a,b-k+1),b+1))
l=sorted(set(al+bl))
for v in l:
    print(v)
Buggy python submission (verdict: Runtime Error):
a, b = int(input().split())
if(a*b & 1 == 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):
a, b = int(input().split())
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: Time Limit Exceeded):
n=int(input())
l=list(map(int,input().split()))
s=set(l)
a=0
for v in s:
    c=l.count(v)
    if v<=c:
        a+=c-v
    else:
        a+=c
print(a)


Fixed submission:
n=int(input())
l=list(map(int,input().split()))
d=dict()
for v in l:
    if v in d:
        d[v]+=1
    else:
        d[v]=1
c=0
for k, v in d.items():
    if k<=v:
        c+=v-k
    else:
        c+=v
print(c)
Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
l=list(map(int,input().split()))
m=float('inf')
for i in range(1,n):
    m=min(m,abs(sum(l[:i])-sum(l[i:])))
print(m)


Fixed submission:
n=int(input())
l=list(map(int,input().split()))
a,b=l[0],sum(l[1:])
m=abs(a-b)
for v in l[1:-1]:
    a+=v
    b-=v
    m=min(m,abs(a-b))
print(m)
Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
l=[int(input()) for _ in range(n)]
c=0
z=[]
i=1
while 1:
    i=l[i-1]
    c+=1
    if i==2:
        break
    if i in z:
        print(-1)
        exit()
    z.append(i)
print(c)


Fixed submission:
n=int(input())
l=[int(input()) for _ in range(n)]
c=0
i=1
while 1:
    if i==2:
        print(c)
        break
    if c>=n:
        print(-1)
        break
    c+=1
    i=l[i-1]
Buggy python submission (verdict: Runtime Error):
n,m=map(int,input().split())
c=n%(m//2)
d=m-2*c
c+=d//4
print(c)


Fixed submission:
n,m=map(int,input().split())
if m<2:
    print(0)
    exit()
if n>m//2:
    print(m//2)
    exit()
c=n%(m//2)
d=m-2*c
c+=d//4
print(c)
Buggy python submission (verdict: Runtime Error):
print('ABC'if x=int(input())<1200else'ARC')

Fixed submission:
print('ABC'if int(input())<1200else'ARC')
Buggy python submission (verdict: Runtime Error):
n=int(input())
l=list(map(int,input().split()))
mod=10**9+7
if n%2==0:
    d={i:2 for i in range(1,n,2)}
else:
    d={i:2 for i in range(0,n,2)}
    d[0]=1
print('def:',d)
for a in l:
    if a in d:
        d[a]-=1
    else:
        print(0)
        exit()
    print(a,d)
for i in d.values():
    if i!=0:
        print(0)
        exit()
print((2**(n//2))%mod)


Fixed submission:
n=int(input())
l=list(map(int,input().split()))
mod=10**9+7
if n%2==0:
    d={i:2 for i in range(1,n,2)}
else:
    d={i:2 for i in range(0,n,2)}
    d[0]=1
for a in l:
    if a in d:
        d[a]-=1
    else:
        print(0)
        exit()
for i in d.values():
    if i!=0:
        print(0)
        exit()
print((2**(n//2))%mod)

Buggy python submission (verdict: Runtime Error):
n=int(input())
l=list(map(int,input().split()))
mod=10**9+7
if n%2==0:
    d={i:2 for i in range(1,n,2)}
else:
    d={i:2 for i in range(0,n,2)}
    d[0]=1
print('def:',d)
for a in l:
    if a in d:
        d[a]-=1
    else:
        print(0)
        exit()
    print(a,d)
for i in d.values():
    if i!=0:
        print(0)
        exit()
print(2**(n//2)%mod)


Fixed submission:
n=int(input())
l=list(map(int,input().split()))
mod=10**9+7
if n%2==0:
    d={i:2 for i in range(1,n,2)}
else:
    d={i:2 for i in range(0,n,2)}
    d[0]=1
for a in l:
    if a in d:
        d[a]-=1
    else:
        print(0)
        exit()
for i in d.values():
    if i!=0:
        print(0)
        exit()
print((2**(n//2))%mod)
Buggy python submission (verdict: Runtime Error):
a=input()
b=input()
c=input()
i=1
j=0
k=0
p=a[0]
while 1:
    if p=='a':
        if i==len(a)-1:
            print('A')
            break
        i+=1
        p=a[i]
    elif p=='b':
        if j==len(b)-1:
            print('B')
            break
        j+=1
        p=b[j]
    elif p=='c':
        if k==len(c)-1:
            print('C')
            break
        k+=1
        p=c[k]


Fixed submission:
a=input()
b=input()
c=input()
i=0
j=0
k=0
t='a'
while 1:
    if t=='a':
        if i==len(a):
            print('A')
            break
        t=a[i]
        i+=1
    elif t=='b':
        if j==len(b):
            print('B')
            break
        t=b[j]
        j+=1
    elif t=='c':
        if k==len(c):
            print('C')
            break
        t=c[k]
        k+=1
Buggy python submission (verdict: Runtime Error):
N = int(input())
A = [0]*N
B = [[0]*19 for x in range(19)]
C = [0]*N
D = [0]*N
a,b,c,d,e,ans = 0,['0']*9,0,0,0,0
for i in range(N):
    c = (input()+'.0').split('.')
    b = ['0']*9
    for k,v in enumerate(c[1]):
        b[k] = v
    A[i] = int(c[0]+''.join(b))

# print(*A)

for i in range(N):
    d,e = 0,0
    while (A[i] % 2 == 0) and (d <= 18):
        A[i] //= 2
        d += 1
    while (A[i] % 5 == 0) and (e <= 18):
        A[i] //= 5
        e += 1
    C[i] = d
    D[i] = e
    B[d][e] += 1

for i in range(N):
    c = C[i]
    d = D[i]
    B[c][d] -= 1
    for j in range(18-c,19):
        for k in range(18-d,19):
            ans += B[j][k]

print(ans)

Fixed submission:
N = int(input())
A = [0]*N
B = [[0]*19 for x in range(19)]
C = [0]*N
D = [0]*N
a,b,c,d,e,ans = 0,['0']*9,0,0,0,0
for i in range(N):
    c = (input()+'.0').split('.')
    b = ['0']*9
    for k,v in enumerate(c[1]):
        b[k] = v
    A[i] = int(c[0]+''.join(b))

# print(*A)

for i in range(N):
    d,e = 0,0
    while (A[i] % 2 == 0) and (d < 18):
        A[i] //= 2
        d += 1
    while (A[i] % 5 == 0) and (e < 18):
        A[i] //= 5
        e += 1
    C[i] = d
    D[i] = e
    B[d][e] += 1

for i in range(N):
    c = C[i]
    d = D[i]
    B[c][d] -= 1
    for j in range(18-c,19):
        for k in range(18-d,19):
            ans += B[j][k]

print(ans)