Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
N = int(input())
S = input()

cnt = 0
for i in range(N):
    if S[i] == 'A':
        if S[i+1] == 'B':
            if S[i+2] == 'C':
                cnt += 1

print(cnt)

Fixed submission:
N = int(input())
S = input()
 
cnt = 0
for i in range(N-2):
    if S[i] == 'A':
        if S[i+1] == 'B':
            if S[i+2] == 'C':
                cnt += 1
 
print(cnt)
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
A = [int(n) for n in input().split(' ')]

ans = 0
for i in range(60):
    x = 0
    for A_i in A:
        if A_i>>i&1:
            x += 1
    ans += x*(N-x)*2**i
ans = ans % (10**9+7)
print(ans)

Fixed submission:
N = int(input())
A = [int(n) for n in input().split(' ')]
 
ans = 0
for i in range(60):
    x = 0
    for A_i in A:
        if A_i>>i&1:
            x += 1
    ans += x*(N-x)*2**i
ans = ans % (10**9+7)
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
A = [int(n) for n in input().split(' ')]
s = 0
for i in set(range(N-1)):
    for j in set(range(i, N)):
        xor = A[i]^A[j]
        s += xor
    
ans = s % (10**9+7)
print(ans)

Fixed submission:
N = int(input())
A = [int(n) for n in input().split(' ')]
 
ans = 0
for i in range(60):
    x = 0
    for A_i in A:
        if A_i>>i&1:
            x += 1
    ans += x*(N-x)*2**i
ans = ans % (10**9+7)
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
A = [int(n) for n in input().split(' ')]
s = 0
for i in range(N-1):
    for j in range(i, N):
        xor = A[i]^A[j]
        s += xor
    
ans = s % (10**9+7)
print(ans)

Fixed submission:
N = int(input())
A = [int(n) for n in input().split(' ')]
 
ans = 0
for i in range(60):
    x = 0
    for A_i in A:
        if A_i>>i&1:
            x += 1
    ans += x*(N-x)*2**i
ans = ans % (10**9+7)
print(ans)
Buggy python submission (verdict: Runtime Error):
N = int(input())
a = []
 
for x in range(1, N):
    y = N-x
    if x == y:
        continue
    a.append([x, y])
 
print(len(a))
N = int(input())
a = []

for x in range(1, N):
    y = N-x
    if x == y:
        continue
    if x > y:
        break
    a.append([x, y])

print(len(a))
提出情報

Fixed submission:
N = int(input())
a = []
 
for x in range(1, N):
    y = N-x
    if x == y:
        continue
    if x > y:
        break
    a.append([x, y])
 
print(len(a))

Buggy python submission (verdict: Runtime Error):
N = input()
a = []

for x in range(1, N):
    y = N-x
    if x == y:
        continue
    a.append([x, y])

print(len(a))

Fixed submission:
N = int(input())
a = []
 
for x in range(1, N):
    y = N-x
    if x == y:
        continue
    if x > y:
        break
    a.append([x, y])
 
print(len(a))
Buggy python submission (verdict: Time Limit Exceeded):
S = input()

A = [0]

for i in range(len(S)):
    if S[i] == '<':
        A.append(A[i]+1)
    else:
        A.append(0)
    if A[i+1] < 0:
        A[i+1] += 1
    for j in reversed(range(i+1)):
        if S[j] == '<':
            if A[j] >= A[j+1]:
                A[j]-=1
        elif S[j] == '>':
            if A[j] <= A[j+1]:
                A[j]+=1

print(sum(A))



Fixed submission:
S = input()
a = [0] * (len(S) + 1)

for i in range(len(S)):
    if S[i] == '<':
        a[i + 1] = max(a[i + 1], a[i] + 1)
for i in reversed(range(len(S))):
    if S[i] == '>':
        a[i] = max(a[i], a[i + 1]+1)
ans = sum(a)

print(ans)
Buggy python submission (verdict: Runtime Error):
n = int(input())

flag = 0
for i in range(1, 10):
    m = n/i
    try:
        m = int(m)
        if m < 10:
          flag = 1
            print("Yes")
            break
    except:
        continue
if flag ==0:
    print("No")

Fixed submission:
def is_integer_num(n):
    if isinstance(n, int):
        return True
    if isinstance(n, float):
        return n.is_integer()
    return False
  
n = int(input())

flag=0
for i in range(1, 10):
    m = n/i
    if is_integer_num(m) and m<10:
        flag = 1
        print("Yes")
        break
if flag == 0:
    print("No")
Buggy python submission (verdict: Runtime Error):
import math

R = (int)input()

print(2*math.pi*R)

Fixed submission:
import math

R = (int)(input())

print(2*math.pi*R)
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())

S = {}

for i in range(N):
  word = input()
  if word in S:
  	S[word] += 1
  else:
    S[word] = 1
    
max_S = [kv[0] for kv in S.items() if kv[1] == max(S.values())]

max_S.sort()
for out in max_S:
  print(out)

Fixed submission:
N = int(input())
 
S = {}
max = 0
 
for i in range(N):
  word = input()
  if word in S:
  	S[word] += 1
  else:
    S[word] = 1
  if S[word] > max:
    S_list = []
    max = S[word]
    S_list.append(word)
  elif S[word] == max:
    S_list.append(word)
    
S_list.sort()
for out in S_list:
  print(out)

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

S = {}

for i in range(N):
  word = input()
  if word in S:
  	S[word] += 1
  else:
    S[word] = 1
    
max_S = [kv[0] for kv in S.items() if kv[1] == max(S.values())]

max_S.sort()
for out in max_S:
  print(out)

Fixed submission:
N = int(input())
 
S = {}
max = 0
 
for i in range(N):
  word = input()
  if word in S:
  	S[word] += 1
  else:
    S[word] = 1
  if S[word] > max:
    S_list = []
    max = S[word]
    S_list.append(word)
  elif S[word] == max:
    S_list.append(word)
    
S_list.sort()
for out in S_list:
  print(out)
Buggy python submission (verdict: Runtime Error):
import sys
input = sys.stdin.readline

l,r,d = map(int,input().split())
cnt=0
for i in range(l,r+1):
    if i%d=0:
        cnt+=1
print(cnt)

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

l,r,d = map(int,input().split())
cnt=0
for i in range(l,r+1):
    if i%d==0:
        cnt+=1
print(cnt)
Buggy python submission (verdict: Runtime Error):

n=int(input())
a=[0]*n
g=[[0]*n for _ in range(n)]
for i in range(n):
    a[i]=int(input())
    for j in range(a[i]):
        x,y=map(int,input().split())
        g[i][x]=y
count=0
for i in range(n):
    for j in range(n):
        if i==j:
            break
        else:
            if g[i][j]==0 and g[j][i]==0:
                count+=1
print(count)


Fixed submission:
n=int(input())
a=[]
for i in range(n):
    m=int(input())
    a.append(list(list(map(int,input().split())) for i in range(m)))

ans=0
for i in range(2**n):
    r=1
    ib=list(format(i,"b").zfill(n))
    for j in range(n):
        if ib[j]=="1":
            for k in range(len(a[j])):
                if int(ib[a[j][k][0]-1])!=a[j][k][1]:
                    r=0
    if r==1:
        ans=max(ans,ib.count("1"))
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
N=int(input())
a=list(map(int,input().split()))
ans=0
for i in range(N-1):
    for j in range(i+1,N):
        ans+=a[i]^a[j]
print(ans%(10**9+7))


Fixed submission:
n=int(input())
a=list(map(int,input().split()))
ans=0
for i in range(62):
    c=0
    for ai in a:
        if ai&(1<<i):
            c+=1
    r=c*(n-c)
    ans+=(1<<i)*r
    ans%=(10**9+7)
print(ans)
Buggy python submission (verdict: Runtime Error):
t1,t2=map(int,input().split())
a1,a2=map(int,input().split())
b1,b2=map(int,input().split())
sa1=(a1-b1)*t1
sa2=(a2-b2)*t2
if sa1>=0:
    --sa1
    --sa2
if sa1+sa2==0:
    print("infinity")
if sa1+sa2<0:
    print(0)
if sa1+sa2>0:
    ans=((-sa1)//(sa2+sa1))*2+1
    if sa1%(sa1+sa2)==0:
        ans-=1
    print(ans)


Fixed submission:
m1,d1=map(int,input().split())
m2,d2=map(int,input().split())
if d2==1:
    print(1)
else:
    print(0)
Buggy python submission (verdict: Time Limit Exceeded):
from itertools import combinations
from collections import Counter
n=int(input())
s=input()
a=list(s)
c=list(combinations(a,3))

num=len(Counter(c))
print(num)


Fixed submission:
n=int(input())
s=list(input())

ans=0
for i in range(10):
    for j in range(10):
        for k in range(10):
            for p in range(len(s)):
                if s[p]==str(i):
                    for q in range(p+1,len(s)):
                        if s[q]==str(j):
                            for r in range(q+1,len(s)):
                                if s[r]==str(k):
                                    ans+=1
                                    break
                            break
                    break

print(ans)
Buggy python submission (verdict: Runtime Error):
from collections import deque
N=int(input())

G=[[] for _ in range(N+1)]
edge={}

for i in range(N-1):
    a,b=map(int, input().split())
    G[a].append(b)
    G[b].append(a)
    edge[(a,b)]=i
    edge[(b,a)]=i
que=deque()
que.append(1)
visited=[0]*(N+1)
visited[1]=0
ans=[0]*(N-1)
while que:
    v=que.pop()
    j=1
    for u in G[v]:
        if visited[u]==0:
            if j==viisted[v]:
                j+=1
            visited[u]=j
            ans[edge[(u,v)]]=j
            que.appendleft(u)
            j+=1
print(max(ans))
for a in ans:
    print(a)


Fixed submission:
from collections import deque
N=int(input())

G=[[] for _ in range(N+1)]
edge={}

for i in range(N-1):
    a,b=map(int, input().split())
    G[a].append(b)
    G[b].append(a)
    edge[(a,b)]=i
    edge[(b,a)]=i
que=deque()
que.append(1)
visited=[-1]*(N+1)
visited[1]=0
ans=[0]*(N-1)
while que:
    v=que.pop()
    j=1
    for u in G[v]:
        if visited[u]<0:
            if j==visited[v]:
                j+=1
            visited[u]=j
            ans[edge[(u,v)]]=j
            que.appendleft(u)
            j+=1
print(max(ans))
for a in ans:
    print(a)
Buggy python submission (verdict: Time Limit Exceeded):
N,K=map(int, input().split())
A=list(map(int,input().split()))
count=0
for l in range(N):
    if A[l]%K==1:
        count+=1
for l in range(N-1):
    sum=A[l]
    for r in range(l+1,N):
        sum+=A[r]
        if sum%K==r-l+1:
            count+=1
print(count)


Fixed submission:
from collections import defaultdict
N,K=map(int, input().split())
A=list(map(int,input().split()))
"""count=0
for l in range(N):
    if A[l]%K==1:
        count+=1
for l in range(N-1):
    sum=A[l]
    for r in range(l+1,N):
        sum+=A[r]
        if sum%K==r-l+1:
            count+=1
print(count)"""
cum=[0]*(N+1)
for i in range(N):
    cum[i+1]=(cum[i]+A[i]-1)%K
dic=defaultdict(int)
ans=0
for i in range(N+1):
    ans+=dic[cum[i]]
    dic[cum[i]]+=1
    if i-(K-1)>=0:
        dic[cum[i-(K-1)]]-=1
print(ans)
Buggy python submission (verdict: Runtime Error):
n=int(input())
d=sorted(list(map(int, input().split())))
num=[0]*(max(d)+1)
num_=0
count=0
j=0
for i in range(len(d)):
    if d[i]==j:
        num[j]+=1
    elif d[i]==j+1:
        num[j+1]+=1
        j+=1
    else:
        j+=1
#print(num)
ans=1
for i in range(1, max(d)+1):
    #print(num[i-1]**num[i])
    #ans = ans * pow(num[i-1], num[i], 998244353)%998244353
    ans*=num[i-1]**num[i]

if d[0]!=0 or d.count(0)!=1:
    print(0)
else:
    print(ans%998244353)


Fixed submission:
n=int(input())
if n%2 == 0:
    print((n>>1)-1)
else:
    print(n>>1)

Buggy python submission (verdict: Runtime Error):
n=int(input())
d=sorted(list(map(int, input().split())))
num=[0]*(max(d)+1)
num_=0
count=0
j=0
for i in range(len(d)):
    if d[i]==j:
        num[j]+=1
    elif d[i]==j+1:
        num[j+1]+=1
        j+=1
    else:
        j+=1
#print(num)
ans=1
for i in range(1, max(d)+1):
    #print(num[i-1]**num[i])
    #ans = ans * pow(num[i-1], num[i], 998244353)%998244353
    ans*=num[i-1]**num[i]

if d[0]!=0 or d.count(0)!=1:
    print(0)
else:
    print(ans)


Fixed submission:
n=int(input())
if n%2 == 0:
    print((n>>1)-1)
else:
    print(n>>1)

Buggy python submission (verdict: Runtime Error):
n=int(input())
d=sorted(list(map(int, input().split())))
num=[0]*(max(d)+1)
num_=0
count=0
j=0
for i in range(len(d)):
    if d[i]==j:
        num[j]+=1
    elif d[i]==j+1:
        num[j+1]+=1
        j+=1
    else:
        j+=1
#print(num)
ans=1
error=0
if num[0]!=1:
    error=1
for i in range(1, max(d)+1):
    #print(num[i-1]**num[i])
    ans = ans * pow(num[i-1], num[i], 998244353)
    #ans*=num[i-1]**num[i]
    if num[i]==0:
        error=1
if error==0:
    print(ans)
else:
    print(0)


Fixed submission:
n=int(input())
if n%2 == 0:
    print((n>>1)-1)
else:
    print(n>>1)

Buggy python submission (verdict: Runtime Error):
n=int(input())
d=sorted(list(map(int, input().split())))
num=[]

for i in range(max(d)+1):
    count=d.count(i)
    num.append(count)
ans=1
if d[0]!=0:
    print(0)
else:
    for i in range(1, max(d)+1):
        ans*=num[i-1]**num[i]
    print(ans)


Fixed submission:
n=int(input())
if n%2 == 0:
    print((n>>1)-1)
else:
    print(n>>1)
Buggy python submission (verdict: Runtime Error):
n=int(input())
d=sorted(list(map(int, input().split())))
num=[0]*(max(d)+1)
num_=0
count=0
j=0
for i in range(len(d)):
    if d[i]==j:
        num[j]+=1
    elif d[i]==j+1:
        num[j+1]+=1
        j+=1
    else:
        j+=1
#print(num)
ans=1
for i in range(1, max(d)+1):
    #print(num[i-1]**num[i])
    ans = ans * pow(num[i-1], num[i], 998244353)%998244353
    #ans*=num[i-1]**num[i]

if d[0]!=0 or d.count(0)=!1:
    print(0)
else:
    print(ans)


Fixed submission:
import collections
n=int(input())
d=list(map(int, input().split()))
num=collections.Counter(d)
"""d=sorted(list(map(int, input().split())))
num=[0]*(max(d)+1)
num_=0
count=0
j=0
for i in range(len(d)):
    if d[i]==j:
        num[j]+=1
    elif d[i]==j+1:
        num[j+1]+=1
        j+=1
    else:
        j+=1"""
#print(num)
ans=1
for i in range(1, max(d)+1):
    #print(num[i-1]**num[i])
    #ans = ans * pow(num[i-1], num[i], 998244353)%998244353
    ans*=num[i-1]**num[i]

if d[0]!=0 or d.count(0)!=1:
    print(0)
else:
    print(ans%998244353)
Buggy python submission (verdict: Runtime Error):
n=int(input())
for i in range(int(n**0.5),0,-1):
    if n%i==0:
        ptint(i+n//1)
        exit()


Fixed submission:
n=int(input())
for i in range(int(n**0.5),0,-1):
    if n%i==0:
        print(i+n//i-2)
        exit()
Buggy python submission (verdict: Time Limit Exceeded):
N,M,L=map(int,input().split())

def war(d):
    for k in range(N):
        for i in range(N):
            for j in range(N):
                d[i][j]=min(d[i][j],d[i][k]+d[k][j])
    return d

d=[[float("inf")]*N for _ in range(N)]
d2=[[float("inf")]*N for _ in range(N)]

for _ in range(M):
    A,B,C=map(int,input().split())
    if C>L:
        continue
    d[A-1][B-1]=C
    d[B-1][A-1]=C

for i in range(N):
    d[i][i]=0

d=war(d)

for i in range(N):
    for j in range(N):
        if d[i][j]<=L:
            d2[i][j]=1
for i in range(N):
    d2[i][i]=0
d2=war(d2)
#print(d)
#print(d2)
Q=int(input())
for i in range(Q):
    s,t=map(int,input().split())
    print(d2[s-1][t-1]-1 if d2[s-1][t-1]!=float("inf") else -1)


Fixed submission:
import sys
input = sys.stdin.readline
N,M,L=map(int,input().split())

def war(d):
    for k in range(N):
        for i in range(N):
            for j in range(N):
                d[i][j]=min(d[i][j],d[i][k]+d[k][j])
    return d
INF=(L+1)*N
d=[[INF]*N for _ in range(N)]
d2=[[INF]*N for _ in range(N)]

for _ in range(M):
    A,B,C=map(int,input().split())
    if C>L:
        continue
    d[A-1][B-1]=C
    d[B-1][A-1]=C

for i in range(N):
    d[i][i]=0

d=war(d)

for i in range(N):
    for j in range(N):
        if d[i][j]<=L:
            d2[i][j]=1
for i in range(N):
    d2[i][i]=0
d2=war(d2)
#print(d)
#print(d2)
Q=int(input())
for i in range(Q):
    s,t=map(int,input().split())
    print(d2[s-1][t-1] %INF -1)
Buggy python submission (verdict: Runtime Error):
print(int(input()**3)

Fixed submission:
n=int(input())

print(n**3)
Buggy python submission (verdict: Runtime Error):
n=int(input())
print(long(n*(n-1)/2)


Fixed submission:
s=input()
t=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())
h=list(map(int,input(),split()))
a=0
max=0
for i in range(1,n):
    if h[i]<=h[i-1]:
        a+=1
    else :
        max=a
        a=0
print(max)


Fixed submission:
n=int(input())
h=list(map(int,input().split()))
a=0
max=0
for i in range(1,n):
    if h[i]<=h[i-1]:
        a+=1
        if i==n-1 and a>max:
            max=a
    elif a>max:
        max=a
        a=0
    else:
        a=0
print(max)

Buggy python submission (verdict: Runtime Error):
n=int(input())
h=list(map(int,input(),split()))
a=0
max=0
for i in range(1,n):
    if h[i]>h[i-1]:
        a+=1
    else :
        max=a
        a=0
print(max)


Fixed submission:
n=int(input())
h=list(map(int,input().split()))
a=0
max=0
for i in range(1,n):
    if h[i]<=h[i-1]:
        a+=1
        if i==n-1 and a>max:
            max=a
    elif a>max:
        max=a
        a=0
    else:
        a=0
print(max)

Buggy python submission (verdict: Runtime Error):
n=int(input())
h=list(map(int,input(),split()))
a=0
for i in range(1,n):
    if h[i]>h[i-1]:
        a+=1
    else :
        a=0
print(a)


Fixed submission:
n=int(input())
h=list(map(int,input().split()))
a=0
max=0
for i in range(1,n):
    if h[i]<=h[i-1]:
        a+=1
        if i==n-1 and a>max:
            max=a
    elif a>max:
        max=a
        a=0
    else:
        a=0
print(max)
Buggy python submission (verdict: Runtime Error):
n=int(input())
print(long(n*(n-1)/2)


Fixed submission:
n=int(input())
print(n*(n-1)//2)
Buggy python submission (verdict: Runtime Error):
a,b=map(int,input().split())
ptint(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: Time Limit Exceeded):
from collections import Counter
from math import factorial
def cmb(n, r):
    if n - r < r: r = n - r
    if r == 0: return 1
    if r == 1: return n

    numerator = [n - r + k + 1 for k in range(r)]
    denominator = [k + 1 for k in range(r)]

    for p in range(2,r+1):
        pivot = denominator[p - 1]
        if pivot > 1:
            offset = (n - r) % p
            for k in range(p-1,r,p):
                numerator[k - offset] /= pivot
                denominator[k] /= pivot

    result = 1
    for k in range(r):
        if numerator[k] > 1:
            result *= int(numerator[k])

    return result
n=int(input())
s=[0]*n
dic={}
group={}
ans=0
dic2=[0]*n
for i in range(n):
    s[i]=sorted(input())
    dic[i]=str(Counter(s[i]))
    dic2[i]=dic[i]
group=Counter(dic2)

for i in list(group):
    if group[i]==1:
        continue
    ans+=cmb(group[i],2)
print(ans)


Fixed submission:
from collections import Counter

N = int(input())
a=[]
for i in range(N):
    s=input()
    S=[]
    for j in range(10):
        S.append(s[j])
    S.sort()
    s="".join(S).split()
    a.append(s[0])
x=Counter(a)
num=x.values()
#print(list(num))
ans=0
for i in (list(num)):
    ans+=i*(i-1)//2
print(ans)
Buggy python submission (verdict: Runtime Error):
import heapq
n,m=map(int,input().split())
ab=[[0]*2 for _ in range(n)]


for i in range(n):
    ab[i]=list(map(int,input().split()))
ab.sort()
hq=[]
tmp=0
ans=0
for i in range(1,m+1):
    while tmp<n and ab[tmp][0]<=i:
        heapq.heappush(hq,-ab[tmp][1])
        tmq+=1
    if hq:
        ans-=heapq.heappop(hq)
print(ans)

Fixed submission:
import heapq
n,m=map(int,input().split())
ab=[[0]*2 for _ in range(n)]


for i in range(n):
    ab[i]=list(map(int,input().split()))
ab.sort()
hq=[]
tmp=0
ans=0
for i in range(1,m+1):
    while tmp<n and ab[tmp][0]<=i:
        heapq.heappush(hq,-ab[tmp][1])
        tmp+=1
    if hq:
        ans-=heapq.heappop(hq)
print(ans)
Buggy python submission (verdict: Runtime Error):
a,b=map(int,input().split())
if (a+b)%2===0:
    print((a+b)//2)
else:
    print("IMPOSSIBLE")


Fixed submission:
a,b=map(int,input().split())
if (a+b)%2==0:
    print((a+b)//2)
else:
    print("IMPOSSIBLE")

Buggy python submission (verdict: Runtime Error):
a,b=map(int,input().split())
if (a+b)%2===0:
    print((a+b)//2)
else("IMPOSSIBLE")


Fixed submission:
a,b=map(int,input().split())
if (a+b)%2==0:
    print((a+b)//2)
else:
    print("IMPOSSIBLE")
Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
a=[0]*n
for i in range(n):
    a[i]=int(input())
iro=[0]
iro[0]=a[0]

for i in range(1,n):

    flag=True
    for j in range(len(iro)-1):
        if a[i]>iro[j] and a[i]<=iro[j+1]:
            iro[j]=a[i]
            flag=False
    if a[i]>iro[-1]:
        iro[-1]=a[i]
        flag=False
    if flag:
        iro.append(a[i])
#print(iro)
print(len(iro))


Fixed submission:
from bisect import bisect as br
n=int(input())
x=[-1]*n
for _ in range(n):
    a=int(input())
    i=br(x,a-1)-1
    x[i]=a
print(n-x.count(-1))

Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
a=[0]*n
for i in range(n):
    a[i]=int(input())
iro=[0]
iro[0]=a[0]
for i in range(1,n):
    iro.sort()
    flag=True
    for j in range(len(iro)-1):
        if a[i]>iro[j] and a[i]<=iro[j+1]:
            iro[j]=a[i]
            flag=False
    if a[i]>iro[-1]:
        iro[-1]=a[i]
        flag=False
    if flag:
        iro.append(a[i])
#print(iro)
print(len(iro))


Fixed submission:
from bisect import bisect as br
n=int(input())
x=[-1]*n
for _ in range(n):
    a=int(input())
    i=br(x,a-1)-1
    x[i]=a
print(n-x.count(-1))
Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
a=list(map(int,input().split()))
asum=sum(a)
y=[0]*(n+1)
for i in range(asum+1):
    y[0]=i
    flag=True
    for j in range(1,n+1):
        y[j]=(a[j-1]-y[j-1]//2)*2
        if y[j]<0:
            flag=False
            break
    if flag:
        if y[0]==y[n]:
            y.pop(n)
            print(*y)
            exit()


Fixed submission:
n=int(input())
a=list(map(int,input().split()))
asum=sum(a)
y=[0]*n
y[-1]=a[-1]
for i in range(n-1):
    if i%2==0:
        y[-1]-=a[i]
    else:
        y[-1]+=a[i]
for i in range(n-1):
    y[i]=a[i-1]*2-y[i-1]
print(*y)
Buggy python submission (verdict: Runtime Error):
s=int(input())
s.sort()
flag=True
if s[0]==s[1]:
    if s[1]!=s[1]:
        if s[2]==s[3]:
            print("Yes")
            flag=False
if flag:
    print("No")


Fixed submission:
s=list(input())
s.sort()
flag=True
if s[0]==s[1]:
    if s[1]!=s[2]:
        if s[2]==s[3]:
            print("Yes")
            flag=False
if flag:
    print("No")
Buggy python submission (verdict: Runtime Error):
n,l=map(int,input().split())
ringo=[0]*n
for i in range(n):
    ringo[i]+=i+l
for i in range(n):
    if ringo[i]<0:
        ringo[i]=-ringoz[i]
print(sum(ringo)-min(ringo))


Fixed submission:
n,l=map(int,input().split())
ringo=[0]*n
ringoz=[0]*n
min=1000000000000000
mini=0
for i in range(n):
    ringo[i]+=i+l
    if ringo[i]<0:
        ringoz[i]=-ringo[i]
    else:
        ringoz[i]=ringo[i]
    if ringoz[i]<min:
        min=ringoz[i]
        mini=i
ringo.pop(mini)

print(sum(ringo))
Buggy python submission (verdict: Runtime Error):
from math import gcd
a,b,c,d=map(int,input().split())
print(b-a-(b-a)//c-(b-a)//d+(b-a)//(c*d//gcd(c,d)))


Fixed submission:
from fractions import gcd
a,b,c,d=map(int,input().split())
e=c*d//gcd(c,d)
x=b//c+b//d-b//e
y=(a-1)//c+(a-1)//d-(a-1)//e
print(b-a+1-(x-y))