Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Time Limit Exceeded):
def resolve():
    import numpy as np
    h, n = map(int, input().split())
    lab = np.zeros((n, 2), dtype=np.int)
    i = 0
    while True:
        try:
            a, b = map(int, input().split())
            lab[i][0] = a
            lab[i][1] = b
        except:
            break
        i += 1
    ma = np.max(lab[:, 0])
    dp = np.ones((n + 1, h + ma), dtype=np.int) * np.inf
    dp[0][0] = 0
    for i in range(n):
        for j in range(h + ma):
            dp[i+1][j] = min(dp[i+1][j], dp[i][j])
            if j >= lab[i][0]:
                dp[i+1][j] = min(dp[i+1][j-lab[i][0]] + lab[i][1], dp[i+1][j])
    print(np.int(np.min(dp[n, h:])))
resolve()

Fixed submission:
def resolve():
    h, n = map(int, input().split())
    lab = []
    while True:
        try:
            a, b = map(int, input().split())
            lab.append([a, b])
        except:
            break
    cost = [0] * (h+1)
    for i in range(1, h+1):
        mb = 10 ** 8
        for j in range(n):
            if i < lab[j][0]:
                mb = min(mb, lab[j][1])
            else:
                mb = min(mb, cost[i - lab[j][0]] + lab[j][1])
        cost[i] = mb
    print(cost[h])
resolve()

Buggy python submission (verdict: Time Limit Exceeded):
def resolve():
    import numpy as np
    h, n = map(int, input().split())
    lab = np.zeros((n, 2), dtype=np.int)
    i = 0
    while True:
        try:
            a, b = map(int, input().split())
            lab[i][0] = a
            lab[i][1] = b
        except:
            break
        i += 1
    ma = np.max(lab[:, 0])
    dp = np.ones((n + 1, h + ma), dtype=np.int) * np.inf
    dp[0][0] = 0
    for i in range(n):
        for j in range(h + ma):
            dp[i+1][j] = min(dp[i+1][j], dp[i][j])
            if j >= lab[i][0]:
                dp[i+1][j] = min(dp[i+1][j-lab[i][0]] + lab[i][1], dp[i+1][j])
    print(np.int(np.min(dp[1:, h:])))
resolve()

Fixed submission:
def resolve():
    h, n = map(int, input().split())
    lab = []
    while True:
        try:
            a, b = map(int, input().split())
            lab.append([a, b])
        except:
            break
    cost = [0] * (h+1)
    for i in range(1, h+1):
        mb = 10 ** 8
        for j in range(n):
            if i < lab[j][0]:
                mb = min(mb, lab[j][1])
            else:
                mb = min(mb, cost[i - lab[j][0]] + lab[j][1])
        cost[i] = mb
    print(cost[h])
resolve()
Buggy python submission (verdict: Runtime Error):
def resolve():
    import fractions
    n=int(input())
    a=[int(i) for i in input().split()]
    g=1
    dx=fractions.gcd
    for i in a:
        g*=i//dx(g,i)
    suml=0
    mod=10**9+7
    for i in a:
        suml+=g*pow(i,mod-2,mod)
        suml%=mod
    print(suml)
resolve()

Fixed submission:
def resolve():
    N, M = map(int, input().split())
    if N == M:
        print('Yes')
    else:
        print('No')
resolve()
Buggy python submission (verdict: Time Limit Exceeded):
def resolve():
    from copy import deepcopy
    N = int(input())
    A = list(map(int, input().split()))
    mA = 0
    for i in range(N):
        if mA < A[i]:
            mA = A[i]
    n = 2
    c = 1
    tA = deepcopy(A)
    while sum(A) > N:
        flag = False
        for i in range(N):
            if A[i] % n == 0:
                A[i] = A[i] // n
                flag = True
        if flag:
            c *= n
        else:
            n += 1
    b = 0
    for i in range(N):
        b += c // tA[i]
    print(b % (10**9+7))
resolve()

Fixed submission:
def resolve():
    import fractions
    n=int(input())
    a=[int(i) for i in input().split()]
    g=1
    dx=fractions.gcd
    for i in a:
        g*=i//dx(g,i)
    suml=0
    mod=10**9+7
    for i in a:
        suml+=g*pow(i,mod-2,mod)
        suml%=mod
    print(suml)
resolve()
Buggy python submission (verdict: Time Limit Exceeded):
def resolve():
    n, l, t = map(int, input().split())
    lx, lw = [], []
    while True:
        try:
            x, w = map(int, input().split())
            lx.append(x*2)
            lw.append(w-1)
        except EOFError:
            break
    l *= 2
    t *= 2
    for i in range(t):
        for j in range(n):
            if lw[j] == 0:
                lx[j] = (lx[j]+1)%l
            else:
                lx[j] = (lx[j]-1)%l
        for j in range(n):
            for k in range(j+1, n):
                if lx[j] == lx[k]:
                    lw[j] = (lw[j]+1)%2
                    lw[k] = (lw[k]+1)%2
    for x in lx:
        print(x//2)
resolve()

Fixed submission:
def resolve():
    n, l, t = map(int, input().split())
    lx, lw = [], []
    while True:
        try:
            x, w = map(int, input().split())
            lx.append(x)
            lw.append(w)
        except EOFError:
            break
    cnt = 0
    zero = 0
    x0 = lx[0]
    if lw[0] == 1:
        for i in range(1, n):
            if lw[i] == 2 and t * 2 >= lx[i] - lx[0]:
                cnt += (t * 2 - (lx[i] - lx[0])) // l + 1
        for i in range(n):
            if lw[i] == 1:
                lx[i] = (lx[i] + t) % l
            else:
                lx[i] = (lx[i] - t) % l
        slx = sorted(lx)
        for i in range(n):
            if (x0 + t) % l == slx[i]:
                zero = (i - cnt) % n
        for i in range(n):
            print(slx[(zero + i) % n])
    else:
        for i in range(1, n):
            if lw[i] == 1 and t * 2 >= l + lx[0] - lx[i]:
                cnt += (t * 2 - (l + lx[0] - lx[i])) // l + 1
        for i in range(n):
            if lw[i] == 1:
                lx[i] = (lx[i] + t) % l
            else:
                lx[i] = (lx[i] - t) % l
        slx = sorted(lx)
        for i in range(n-1, -1, -1):
            if (x0 - t) % l == slx[i]:
                zero = (i + cnt) % n
        for i in range(n):
            print(slx[(zero + i) % n])
resolve()
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
l = [input() for i in range(N)]
count = 0
for i in range(N):
    l[i] = ''.join(sorted(l[i]))
    for j in range(i):
        if(l[i]==l[j]):
            count += 1
print(count)

Fixed submission:
N = int(input())
l = [input() for i in range(N)]
mydict = {}
times = [1]*N
count = 0
value = 1

for i in range(N):
    l[i] = ''.join(sorted(l[i]))
    if l[i] in mydict.keys():
        count += times[mydict[l[i]]]
        times[mydict[l[i]]] += 1
    else:
        mydict[l[i]] = value
        value += 1
print(count)

Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
l = [input() for i in range(N)]
for i in range(N):
    l[i] = ''.join(sorted(l[i]))
count = 0
for i in range(N):
    for j in range(i+1,N):
        if(l[i]==l[j]):
            count += 1
print(count)

Fixed submission:
N = int(input())
l = [input() for i in range(N)]
mydict = {}
times = [1]*N
count = 0
value = 1

for i in range(N):
    l[i] = ''.join(sorted(l[i]))
    if l[i] in mydict.keys():
        count += times[mydict[l[i]]]
        times[mydict[l[i]]] += 1
    else:
        mydict[l[i]] = value
        value += 1
print(count)

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

Fixed submission:
N = int(input())
l = [input() for i in range(N)]
mydict = {}
times = [1]*N
count = 0
value = 1

for i in range(N):
    l[i] = ''.join(sorted(l[i]))
    if l[i] in mydict.keys():
        count += times[mydict[l[i]]]
        times[mydict[l[i]]] += 1
    else:
        mydict[l[i]] = value
        value += 1
print(count)
Buggy python submission (verdict: Time Limit Exceeded):
L, R = ( int(a) for a in input().split() )
mi = 2018
for i in range( L, R ):
    for j in range( i + 1, R + 1 ):
        mi = min( mi, ( i * j ) % 2019 )
        if mi == 0:
            break
print( mi )

Fixed submission:
l, r = map(int, input().split())
x = []
for i in range(l, r):
    for j in range(i + 1, r + 1):
        mod = i * j % 2019
        x.append(mod)
        if mod == 0:
            print(0)
            exit()
print(min(x))

Buggy python submission (verdict: Time Limit Exceeded):
L, R = (int(a) for a in input().split())
mi = 2019
for i in range(L,R):
    for j in range(i+1,R+1):
        mi = min(mi, i*j%2019)
        if mi == 0:
            break
print(mi)

Fixed submission:
l, r = map(int, input().split())
x = []
for i in range(l, r):
    for j in range(i + 1, r + 1):
        mod = i * j % 2019
        x.append(mod)
        if mod == 0:
            print(0)
            exit()
print(min(x))

Buggy python submission (verdict: Time Limit Exceeded):
L, R = (int(a) for a in input().split())
mi = 2019
for i in range(L,R):
    for j in range(i+1,R+1):
        mi = min(mi, i*j%2019)
print(mi)

Fixed submission:
l, r = map(int, input().split())
x = []
for i in range(l, r):
    for j in range(i + 1, r + 1):
        mod = i * j % 2019
        x.append(mod)
        if mod == 0:
            print(0)
            exit()
print(min(x))

Buggy python submission (verdict: Time Limit Exceeded):
L, R = (int(a) for a in input().split())
mi = 2019
for i in range(L,R):
    for j in range(i+1,R+1):
        mi = min(mi, i*j%2019)
print(mi)

Fixed submission:
l, r = map(int, input().split())
x = []
for i in range(l, r):
    for j in range(i + 1, r + 1):
        mod = i * j % 2019
        x.append(mod)
        if mod == 0:
            print(0)
            exit()
print(min(x))
Buggy python submission (verdict: Runtime Error):
import math
def lcm(x, y):
    return (x * y) // math.gcd(x, y)
A, B, C, D = (int(a) for a in input().split())
a = B - A + 1
b = abs(B // C - (A - 1) // C)
c = abs(B // D - (A - 1) // D)
d = abs(B // (C * D) - (A - 1) // (lcm(C, D)))
print(a - (b + c - d))

Fixed submission:
def gcd(x, y):
    while y != 0:
        x, y = y, x % y
    return x
import math
A, B, C, D = (int(a) for a in input().split())
lcm = gcd(C, D)
a = B - A + 1
b = abs(B // C - (A - 1) // C)
c = abs(B // D - (A - 1) // D)
d = abs(B // ((C * D) // lcm) - (A - 1) // ((C * D) // lcm))
print(a - (b + c - d))
Buggy python submission (verdict: Runtime Error):
X,A = int(a) for a in input().split()
if X<A:
    print("0")
else:
    print("10")

Fixed submission:
X,A = (int(a) for a in input().split())
if A>X:
  print("0")
else:
  print("10")
Buggy python submission (verdict: Time Limit Exceeded):
N, M = list(map(int, input().split()))
ID = [i for i in range(1, N+1)]
for i in range(M):
    L, R = list(map(int, input().split()))
    r = [i for i in range(L, R+1)]
    ID = set(ID) & set(r)
    if len(ID) == 0:
        print(0)
        exit()
if len(ID) > N:
    print(N)
else:
    print(len(ID))

Fixed submission:
N, M = list(map(int, input().split()))
LR = [list(map(int,input().split())) for i in range(M)]
max = 1
min = 100000
for i in range(M):
    if max < LR[i][0]:
        max = LR[i][0]
    if min > LR[i][1]:
        min = LR[i][1]
if max <= min:
    print(min - max + 1)
else:
    print(0)

Buggy python submission (verdict: Time Limit Exceeded):
N, M = list(map(int, input().split()))
ID = list(range(1, N+1))
for i in range(M):
    L, R = list(map(int, input().split()))
    r = list(range(L, R+1))
    ID = set(ID) & set(r)
    if len(ID) == 0:
        print(0)
        exit()
if len(ID) > N:
    print(N)
else:
    print(len(ID))

Fixed submission:
N, M = list(map(int, input().split()))
LR = [list(map(int,input().split())) for i in range(M)]
max = 1
min = 100000
for i in range(M):
    if max < LR[i][0]:
        max = LR[i][0]
    if min > LR[i][1]:
        min = LR[i][1]
if max <= min:
    print(min - max + 1)
else:
    print(0)

Buggy python submission (verdict: Time Limit Exceeded):
N, M = list(map(int, input().split()))
ID = list(range(1, N+1))
for i in range(M):
    L, R = list(map(int, input().split()))
    r = list(range(L, R+1))
    ID = set(ID) & set(r)
    if len(ID) == 0:
        print(0)
        exit()
if len(ID) > N:
    print(N)
else:
    print(len(ID))

Fixed submission:
N, M = list(map(int, input().split()))
LR = [list(map(int,input().split())) for i in range(M)]
max = 1
min = 100000
for i in range(M):
    if max < LR[i][0]:
        max = LR[i][0]
    if min > LR[i][1]:
        min = LR[i][1]
if max <= min:
    print(min - max + 1)
else:
    print(0)

Buggy python submission (verdict: Time Limit Exceeded):
N, M = list(map(int, input().split()))
ID = list(range(1, N+1))
for i in range(M):
    L, R = list(map(int, input().split()))
    r = list(range(L, R+1))
    ID = set(ID) & set(r)
if len(ID) > N:
    print(N)
else:
    print(len(ID))

Fixed submission:
N, M = list(map(int, input().split()))
LR = [list(map(int,input().split())) for i in range(M)]
max = 1
min = 100000
for i in range(M):
    if max < LR[i][0]:
        max = LR[i][0]
    if min > LR[i][1]:
        min = LR[i][1]
if max <= min:
    print(min - max + 1)
else:
    print(0)
Buggy python submission (verdict: Time Limit Exceeded):
import copy
n = int(input())
ls = []
for i in range(n):
    ls.append(int(input()))
for j in range(n):
    lss = copy.deepcopy(ls) 
    del lss[j]
    tmpmax = max(lss)
    print(tmpmax)

Fixed submission:
import numpy as np
ls = []
n = int(input())
for i in range(n):
    ls.append(int(input()))
ls = np.array(ls)
maxindex1 = np.argmax(ls)
for j in range(n):
    if j != maxindex1:
        print(ls[maxindex1])
    else:
        tmp = ls[maxindex1]
        ls[maxindex1] = 0 
        maxindex2 = np.argmax(ls)
        print(ls[maxindex2])
        ls[maxindex1] = tmp
Buggy python submission (verdict: Time Limit Exceeded):
import numpy as np
N = int(input())
A = [int(x) for x in input().split()]
solls = np.zeros(N)
for i in range(N):
    tmp = []
    tmp.append(solls[N-(i+1)])
    for j in range(N):
        if (j+2)*(N-(i+1)) <= (N-1):
            tmp.append(solls[(j+2)*(N-(i+1))])
    if sum(tmp)%2 != A[N-(i+1)]:
        solls[N-(i+1)] = 1

s = 0
ansint = []
for i in range(N):
    if solls[i] == 1:
        s = s+1
        ansint.append(i+1)

print(s)
print(*ansint) 

Fixed submission:
import numpy as np
N = int(input())
A = [int(x) for x in input().split()]
solls = np.zeros(N+1)
A.insert(0,0)
solls[N//2+1:] = A[N//2+1:]

for i in range(N//2,0,-1):
    s = 0
    for j in range(2*i,N+1,i):
        s = s+solls[j]
    if (s%2 == 0)and(A[i] == 1):
        solls[i] = 1
    if (s%2 == 1)and(A[i] == 0):
        solls[i] = 1

s = 0
ls = []
for i in range(N+1):
    if solls[i] == 1:
        ls.append(i)
        s = s+1

print(s)
print(*ls)
Buggy python submission (verdict: Runtime Error):
l, r = (int(x) for x in input().split())
tmpmin = 2020
tmprem = i*r%2019
if l*r<2019:
    print(l*(l+1))
else:
    for i in range(l, r+1):
        for j in range(l+1, r+1):
            tmp = (i*j)%2019
            tmpnxt = (i*(j+1))%2019
            if tmp < tmpmin:
                tmpmin = tmp
            if tmp < tmpnxt:
                break
    print(tmpmin)

Fixed submission:
l, r = (int(x) for x in input().split())
tmpmin = 2019
if r-l >= 2019:
    print(0)
else:
    for i in range(l, r):
        for j in range(l+1, r+1):
            tmp = (i*j)%2019
            if tmp < tmpmin:
                tmpmin = tmp
                if tmpmin == 0:
                    break
    print(tmpmin)
Buggy python submission (verdict: Time Limit Exceeded):
#imsosorryididntwanttoimplementmodpow
import math
n,m = [int(x) for x in input().split()]

def comb(n, r):
    return math.factorial(n) // (math.factorial(n-r)*math.factorial(r))

i = 2
ans = 1
while (i<=m):
    if m%i==0:
        mult = 0
        while (m%i==0):
            mult += 1
            m //= i
        ans *= comb(n+mult-1,n-1)
    i += 1
if m!=1:
    ans *= comb(n,n-1)

print(ans%int(1e9+7))


Fixed submission:
#imsosorryididntwanttoimplementmodpow
import math
n,m = [int(x) for x in input().split()]

def comb(n, r):
    return math.factorial(n) // (math.factorial(n-r)*math.factorial(r))

i = 2
ans = 1
while (i<=m):
    if m%i==0:
        mult = 0
        while (m%i==0):
            mult += 1
            m //= i
        ans *= comb(n+mult-1,n-1)
    i += 1
if m!=1:
    ans *= comb(n,n-1)

print(ans%int(1e9+7))
Buggy python submission (verdict: Runtime Error):
def getLastMatch(s,t):
    for i in range(len(s)-len(t), -1, -1):
        if s[i] == '?' or s[i] == t[0]:
            match = True
            for j in range(len(t)):
                if s[i+j] == '?': continue
                if s[i+j] != t[j]:
                    match = False
                    break
            if match: return i
    return -1

s,t = input(), input()
lastMatch = getLastMatch(s,t)
if lastMatch == -1:
    print('UNRESTORABLE')
else:
    for i in range(len(s)):
        if i >= lastMatch:
            print(t[i-lastMatch],end='')
            continue
        
        if s[i] == '?': print('a',end='')
        else: print(s[i],end='')
    print()



Fixed submission:
def getLastMatch(s,t):
    for i in range(len(s)-len(t), -1, -1):
        if s[i] == '?' or s[i] == t[0]:
            match = True
            for j in range(len(t)):
                if s[i+j] == '?': continue
                if s[i+j] != t[j]:
                    match = False
                    break
            if match: return i
    return -1

def getS(s,t,lastMatch):
    s = list(s)
    for i in range(len(t)):
        s[i+lastMatch] = t[i]
    for i in range(len(s)):
        if s[i]=='?': s[i] = 'a'
    res = ''
    for c in s: res+=c
    return res


s,t = input(), input()
lastMatch = getLastMatch(s,t)
if lastMatch == -1:
    print('UNRESTORABLE')
else:
    print(getS(s,t,lastMatch))
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
t = [int(x) for x in input().split()]
v = [int(x) for x in input().split()]
tTotal = sum(t)*2
speed = [min(i/2,(tTotal-i)/2) for i in range(tTotal+1)]
#?

start=0
end=0
#iter through segments
for i in range(n):
    end += t[i]*2
    for j in range(tTotal+1):
        speed[j] = min(speed[j], v[i] + max(0, -(j-start)/2, (j-end)/2))
    start = end

print(sum(speed)/2)

Fixed submission:
n = int(input())
t = [int(x) for x in input().split()]
v = [int(x) for x in input().split()]
tTotal = sum(t)*2
speed = [min(i/2,(tTotal-i)/2) for i in range(tTotal+1)]
#?

start=0
end=0
#iter through segments
for i in range(n):
    end += t[i]*2
    for j in range(tTotal+1):
        speed[j] = min(speed[j], v[i] + max(0, -(j-start)/2, (j-end)/2))
    start = end

print(sum(speed)/2)

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
t = [int(x) for x in input().split()]
v = [int(x) for x in input().split()] + [0]
tTotal = sum(t)*2
speed = []
for i in range(tTotal+1):
    speed.append(min(i/2,(tTotal-i)/2))

start=0
end=0
#iter through segments
for i in range(n):
    end += t[i]*2
    for j in range(tTotal+1):
        speed[j] = min(speed[j], v[i] + max(0, -(j-start)/2, (j-end)/2))
    start = end

print(sum(speed)/2)


Fixed submission:
n = int(input())
t = [int(x) for x in input().split()]
v = [int(x) for x in input().split()]
tTotal = sum(t)*2
speed = [min(i/2,(tTotal-i)/2) for i in range(tTotal+1)]
#?

start=0
end=0
#iter through segments
for i in range(n):
    end += t[i]*2
    for j in range(tTotal+1):
        speed[j] = min(speed[j], v[i] + max(0, -(j-start)/2, (j-end)/2))
    start = end

print(sum(speed)/2)
Buggy python submission (verdict: Runtime Error):
x=int(intput())
if x==3||x==5||x==7:
  print ("YES")
else :
	print("NO")

Fixed submission:
x=int(input())
if x==3 or x==5 or x==7:
  print ("YES")
else :
	print("NO")
Buggy python submission (verdict: Runtime Error):
A,B,X = map (int,input().split())
if A+B>=X and not A>X :
	print "YES"
else:
	print "NO"

Fixed submission:
A,B,X = map (int,input().split())
if A+B>=X and not A>X :
	print ('YES')
else:
	print ('NO')

Buggy python submission (verdict: Runtime Error):
A,B,X = map (int,input().split())
if A+B>=X and not A>X
	print "YES"
else
	print "NO"
  

Fixed submission:
A,B,X = map (int,input().split())
if A+B>=X and not A>X :
	print ('YES')
else:
	print ('NO')
Buggy python submission (verdict: Runtime Error):
a=int(input())
s=string(input())
if (a>=3200) :
 print(s)
else :
 print("red")


Fixed submission:
a=int(input())
s=(input())
if (a>=3200) :
 print(s)
else :
 print("red")
Buggy python submission (verdict: Runtime Error):
N = int(input(""))
R = int(input(""))

if N < 10:
    R += 100 * (10 - N)

print(R)

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

if N < 10:
    print(R + 100 * (10 - N))
else:
    print(R)
Buggy python submission (verdict: Runtime Error):
H, N = map(int, input().split())
A = list(map(int, input().split()))
if H <= sum(A):
  print ('Yse')
else:
  print ('No')

Fixed submission:
#a,b = map(int, input().split())
import math
if __name__ == "__main__":
    H,A = map(int,input().split())
    print(math.ceil(H / A))
Buggy python submission (verdict: Runtime Error):
# D
N, K = map(int, input().split())
A = list(map(int, input().split()))
dct = {i+1:a for i,a in enumerate(A)}
visited = [0] * N
visited[0] = 1
if (K <= 2 * 10**5):
    nex = 1
    for _ in range(K):
        nex = dct[nex]
    print(nex)
else:
    cnt = 0
    nex = 1
    for _ in range(N):
        cnt += 1
        nex = dct[nex]
        visited[nex-1] += 1
        if visited[nex-1] > 1:
            break
    cnt1 = 0
    nex1 = 1
    for _ in range(N):
        cnt1 += 1
        nex1 = dct[nex1]
        if nex1 == nex:
            break
    l = (K - cnt1) % (cnt - cnt1)
    for i in range(l):
        nex = dct[nex]
print(nex)

Fixed submission:
# D
N, K = map(int, input().split())
A = list(map(int, input().split()))
dct = {i+1:a for i,a in enumerate(A)}
visited = [0] * N
visited[0] = 1
if (K <= 2 * 10**5):
    nex = 1
    for _ in range(K):
        nex = dct[nex]
    print(nex)
else:
    cnt = 0
    nex = 1
    for _ in range(N):
        cnt += 1
        nex = dct[nex]
        visited[nex-1] += 1
        if visited[nex-1] > 1:
            break
    cnt1 = 0
    nex1 = 1
    for _ in range(N):
        cnt1 += 1
        nex1 = dct[nex1]
        if nex1 == nex:
            break
    if (cnt - cnt1) == 0:
        print(1)
    else:
        l = (K - cnt1) % (cnt - cnt1)
        for i in range(l):
            nex = dct[nex]
        print(nex)

Buggy python submission (verdict: Runtime Error):
# D
N, K = map(int, input().split())
A = list(map(int, input().split()))
dct = {i+1:a for i,a in enumerate(A)}
visited = [0] * N
visited[0] = 1
cnt = 0
if (K <= 2 * 10**5):
    nex = 1
    for _ in range(K):
        nex = dct[nex]
else:
    nex = 1
    for _ in range(N):
        cnt += 1
        nex = dct[nex]
        visited[nex-1] += 1
        if visited[nex-1] > 1:
            break
    cnt1 = 0
    nex1 = 1
    for _ in A:
        cnt1 += 1
        nex1 = dct[nex1]
        if nex1 == nex:
            break
    l = (K - cnt1) % (cnt - cnt1)
    for i in range(l):
        nex = dct[nex]
print(nex)

Fixed submission:
# D
N, K = map(int, input().split())
A = list(map(int, input().split()))
dct = {i+1:a for i,a in enumerate(A)}
visited = [0] * N
visited[0] = 1
if (K <= 2 * 10**5):
    nex = 1
    for _ in range(K):
        nex = dct[nex]
    print(nex)
else:
    cnt = 0
    nex = 1
    for _ in range(N):
        cnt += 1
        nex = dct[nex]
        visited[nex-1] += 1
        if visited[nex-1] > 1:
            break
    cnt1 = 0
    nex1 = 1
    for _ in range(N):
        cnt1 += 1
        nex1 = dct[nex1]
        if nex1 == nex:
            break
    if (cnt - cnt1) == 0:
        print(1)
    else:
        l = (K - cnt1) % (cnt - cnt1)
        for i in range(l):
            nex = dct[nex]
        print(nex)