problem_id
stringclasses
428 values
submission_id
stringlengths
10
10
status
stringclasses
2 values
code
stringlengths
5
816
p03673
s862748224
Accepted
from collections import deque n = int(input()) a = list(map(int, input().split())) q = deque() t = 0 for i in a: if t == 0: q.append(i) else: q.appendleft(i) t = -1 - t if t == 0: print(*q) else: print(*reversed(q))
p02761
s228428537
Accepted
n, m = [int(i) for i in input().split()] n_list = [10] * n for _ in range(m): si, ci = [int(i) for i in input().split()] if n_list[si - 1] == 10: n_list[si - 1] = ci elif n_list[si - 1] != ci: print(-1) exit() if n != 1: ans = n_list[0] if n_list[0] != 10 else 1 else: ans = n_list[0] if n_list[0] != 10 else 0 if ans == 0 and n != 1: print(-1) exit() for ai in n_list[1:]: if ai != 10: ans = ans * 10 + ai else: ans = ans * 10 print(ans)
p02951
s852682325
Wrong Answer
a,b,c=map(int, input().split()) print(b + c -a)
p02571
s637867129
Accepted
a = input() b = input() arr = [] la = len(a) lb = len(b) for i in range(la-lb+1): c = a[i:i+lb] cu = 0 for j in range(lb): if c[j] != b[j]: cu += 1 arr.append(cu) print(min(arr))
p03761
s179263486
Accepted
from collections import defaultdict N = int(input()) S = [input() for _ in range(N)] d = defaultdict(lambda: 50+1) for i in range(N): for c in range(ord("a"), ord("z")+1): d[chr(c)] = min(d[chr(c)], S[i].count(chr(c))) ans = "" for key, value in d.items(): ans += key * value print(ans)
p03339
s320767350
Accepted
N = int(input()) S = input() a = S.count("E") c = a for s in S: if s=="E": c-=1 else: c+=1 a=min(a,c) print(a)
p03835
s265092003
Wrong Answer
from math import * def nHr(n, r): if 0 <= r: return factorial(n+r-1) / (factorial(r) * factorial(n-1)) else: return 0 lst = input().split() K = int(lst[0]) S = int(lst[1]) a = nHr(3, S) b = (3 * nHr(3, S - K)) - (3 * nHr(3, S - (2*K))) print(int(a - b))
p03760
s817743634
Wrong Answer
o=list(input()) e=list(input()) for x,y in zip(o,e):print(x+y,end="")
p03815
s591073281
Wrong Answer
x=int(input()) if 0<=x%11<=5: ans=(x//11)*2+1 if x%11>5: ans=(x//11)*2+2 print(ans)
p03760
s329749235
Accepted
O,E=input(),input() ans='' for i in range(len(O+E)): if i%2==0: ans=ans+O[i//2] else: ans=ans=ans+E[i//2] print(ans)
p03284
s826400871
Accepted
n, k = map(int, input().split()) if n % k == 0: print(0) else: print(1)
p03494
s938610182
Wrong Answer
n=int(input()) a=list(map(int,input().split())) b=[] cnt=0 for i in range(n): while a[i]%2==0: a[i] /= 2 cnt += 1 b.append(cnt) cnt = 0 if min(b)!=0: print(min(b)-1) else: print('0')
p02843
s506798979
Accepted
x=int(input()) y=1 # y個購入すると題意をみたす時、1<=y<=x//100、実際に支払い可能な金額は100*y〜105*y if x<100: print(0) else: while y<=x//100+1: if y*100<=x<=y*105: print(1) break elif y>x//100: print(0) break else: y+=1
p03617
s299002018
Wrong Answer
Q, H, S, D = map(int, input().split()) N = int(input()) q, h, s, d = Q * 4, H * 2, S, D / 2 if N % 2 == 0: ans = N * min(q, h, s, d) else: if N == 1: ans = min(q, h, s) else: ans = (N - 1) * min(q, h, s, d) + min(q, h, s) print(int(ans))
p03475
s330794113
Wrong Answer
n = int(input()) cs = [] ss = [] fs = [] for _ in range(n-1): c, s, f = map(int, input().split()) cs.append(c) ss.append(s) fs.append(f) for i in range(n): t = 0 for j in range(i, n-1): if t < ss[j]: t = ss[j] + cs[j] elif t % fs[j] == 0: t += cs[j] else: t = t + t % fs[j] + cs[j] print(t) print(0)
p03711
s955722204
Wrong Answer
A = [1,3,5,7,10,12] B = [4,6,9,11] a,b = map(int, input().split()) if ((a in A)and(b in A)) or ((a in B) and (b in B)) or a == b == 2: print("Yes") else: print("No")
p03817
s045038670
Wrong Answer
x = int(input()) ans = 0 ans = x//11*2 x %= 11 # 0 <= x < 11 になっている if x == 0: pass elif x < 6: ans += 1 else: ans += 2 print(ans)
p03543
s734653179
Wrong Answer
print('NYoe s'[len(set(input()))<3::2])
p03943
s352041069
Accepted
a, b, c = map(int, input().split()) if max(a, b, c) == a + b + c - max(a, b, c): print('Yes') else: print('No')
p02711
s364535448
Accepted
if '7' in str(input()): print('Yes') else: print('No')
p04044
s658867066
Wrong Answer
n,b=list(map(int,input().split())) a=[input() for i in range(n)] print(''.join(a))
p02989
s172875644
Accepted
n=int(input()) a=list(map(int,input().split())) a.sort() m=n//2 print(a[m]-a[m-1])
p03262
s488878257
Accepted
import fractions from functools import reduce def gcd_list(numbers): return reduce(fractions.gcd, numbers) N,X=map(int,input().split()) W=list(map(int,input().split())) ans=[] for i in W: ans.append(abs(i-X)) print(gcd_list(ans))
p02661
s808379946
Accepted
n = int(input()) ab = [list(map(int, input().split())) for _ in range(n)] a = [x[0] for x in ab] a.sort() b = [y[1] for y in ab] b.sort() if n % 2 == 0: print((b[n // 2 - 1] + b[n // 2]) - (a[n // 2 - 1] + a[n // 2]) + 1) else: print(b[(n - 1) // 2] - a[(n - 1) // 2] + 1)
p02939
s404519137
Accepted
s = input() ans = 0 n = len(s) prev = "" now = 0 while now<n: if prev != s[now]: prev = s[now] now += 1 else: if now != n-1: now += 2 prev = "" else: break ans += 1 print(ans)
p03387
s055036445
Wrong Answer
a=list(map(int,input().split())) a.sort() cnt=0 if a[0]==a[1]==a[2]: print(0) exit() if a[0]==[1]: print(a[2]-a[1]) exit() if a[1]==a[2]: if (a[2]-a[0])%2==0: print(a[2]-a[0]) exit() else: print(a[2]-a[0]+1) exit() cnt+=a[2]-a[1] a[0]+=cnt if a[0]%2==0: cnt+=a[2]-a[0] else: cnt+=a[2]-a[0]+1 print(cnt)
p03767
s945882773
Wrong Answer
N = int(input()) A = list(map(int, input().split())) A.sort(reverse=True) # print(A) ans = sum(A[N:2*N]) print(ans)
p03997
s169891644
Accepted
#!/usr/bin/env python3 print((int(input())+int(input()))*int(input())//2)
p03161
s795441800
Wrong Answer
n , k = map(int, input().split()) H = list(map(int, input().split())) DP = [100000 for i in range(n)] DP[0] = 0 for i in range(1, n): for j in range(1, k+1): if i - j >= 0: tmp = DP[i - j] + abs(H[i - j] - H[i]) DP[i] = min(DP[i], tmp) else: pass print(DP[n - 1])
p02768
s351340773
Wrong Answer
M = 10**9 + 7 n, a, b = map(int, input().split()) r = (pow(2, n, M) - 1) % M f = c = 1 for i in range(b): f = f * (i + 1) % M c = c * (n - i) % M if i + 1 == a: r = (r - c * pow(f, M - 2, M)) % M print((r - c * pow(f, M - 2, M) % M))
p03719
s937019949
Accepted
A, B, C = map(int, input().split()) if (C >= A) and (C <= B): print( "Yes" ) else : print( "No" )
p02860
s750102550
Wrong Answer
n = int(input()) s = input() if n%2 == 1: print("No") slise = (n/2)+1 a = s[:int(slise)] b = s[int(slise):] if a==b: print("Yes") else: print("No")
p02696
s338311245
Accepted
from math import floor a, b, n = map(int, input().split()) if b > n: print(floor(a*n/b)) else: print(floor(a*(b-1)/b))
p02759
s219996123
Wrong Answer
N = int(input()) if N % 2 ==1: print(N//2 +1) else: print(N/2)
p03043
s660273226
Wrong Answer
n, k = map(int, input().split()) ans = [] for i in range(1, n+1): if i < k: cnt = 0 while i < k: i *= 2 cnt += 1 tmp = 1/n * ((1/2) ** cnt) ans.append(tmp) print(sum(ans))
p02640
s888498130
Accepted
X, Y = map(int, input().split()) f = 0 for a in range(100): for b in range(100): x = a + b y = 2 * a + 4 * b if x == X and y == Y: f = 1 break if f == 1: break print(['No', 'Yes'][f])
p02578
s501363924
Accepted
N=input() *A, = map(int,input().split()) ans = 0 h = A[0] for a in A: ans += max(0,h-a) h = max(h,a) print(ans)
p02718
s112582475
Accepted
n, m = map(int, input().split()) a =list(map(int, input().split())) b = [i for i in a if i >= sum(a)*(1/(4*m))] if len(b) >= m: print("Yes") else: print("No")
p02983
s891991047
Wrong Answer
l, r = map(int, input().split()) m = 2019 if r - l < 673: print(0) else: ans = 2018 l = l%m r = r%m for i in range(l, r): for j in range(i+1, r+1): ans = min(ans, (i*j)%m) print(ans)
p03457
s215590088
Wrong Answer
""" a,b,c=map(int,input().split()) s=[a,b,c] s.sort() print(s[0]+s[1]) """ n = int(input()) count=0 temp=0 xtemp=0 ytemp=0 for i in range(0,n): t,x,y = map(int, input().split()) if (t-temp)>=x-xtemp+y-ytemp and (x-xtemp+y-ytemp-(t-temp))%2==0: count=count+1 temp=t xtemp=x ytemp=y if count==n: print("Yes") else: print("No")
p02786
s042566482
Accepted
H = int(input()) def func(h): if h == 1: return 1 else: return func(h // 2) * 2 + 1 r = func(H) print(r)
p02658
s272145174
Wrong Answer
import numpy as np N = int(input()) AList = np.array(input().split(" "), dtype=np.int64) result = AList.prod() if result > 10 ** 18: print("-1") else: print(result)
p03359
s194644857
Wrong Answer
a,b = map(int, input().split()) if a>=b: print(a-1) else: print(a)
p02995
s787822372
Wrong Answer
import math A, B, C, D = map(int, input().split()) CD = int(C * D // math.gcd(C, D)) B_in_C = int(B/C) B_in_D = int(B/D) B_in_CD = int(B/(CD)) B_con = B - (B_in_C + B_in_D - B_in_CD) A = A-1 if A > 1 else A A_in_C = int(A/C) A_in_D = int(A/D) A_in_CD = int(A/(CD)) A_con = A - (A_in_C + A_in_D - A_in_CD) print(B_con - A_con)
p03821
s803041164
Wrong Answer
N = int(input()) ls = [] for i in range(N): a,b = map(int,input().split()) ls.append([a,b]) ls.reverse() #貪欲法 (aをbの倍数にする) ans = 0 for i in range(N): A = ls[i][0] B = ls[i][1] if i != 0: A += ans if B == 1: continue else: ans += B - A % B print(ans)
p03243
s338150752
Accepted
l=[i*111 for i in range(1,10)] N=int(input()) for i in l: if N>i: continue else: print(i) break
p02995
s740747687
Accepted
import fractions a,b,c,d = map(int, input().split()) x = (b//c - (a - 1)//c) y = (b//d - (a - 1)//d) z = (b//((c * d)//fractions.gcd(c,d)) - (a - 1)//((c * d)//fractions.gcd(c,d))) print(int((b - a + 1) - (x + y - z)))
p03162
s680731233
Accepted
n = int(input()) lst = [list(map(int, input().split())) for i in range(n)] ans = [[0]*3 for i in range(n)] ans[0] = lst[0] for i in range(1, n): ans[i][0] = lst[i][0] + max(ans[i-1][1], ans[i-1][2]) ans[i][1] = lst[i][1] + max(ans[i-1][0], ans[i-1][2]) ans[i][2] = lst[i][2] + max(ans[i-1][0], ans[i-1][1]) res = max(ans[n-1][0], max(ans[n-1][1], ans[n-1][2])) print(res)
p03720
s014910025
Wrong Answer
N, M = map(int, input().split()) mat = [[0 for _ in range(N)] for _ in range(N)] for i in range(M): a, b = map(int, input().split()) a -= 1 b -= 1 mat[a][b] = 1 mat[b][a] = 1 for i in range(N): cnt = 0 for j in range(N): if mat[i][j] != 0: cnt += 1 print(cnt)
p03962
s132948640
Accepted
print(len(set(input().split())))
p02732
s603819602
Accepted
import sys from collections import Counter input = sys.stdin.readline N = int(input()) A = list(map(int, input().split())) count = Counter(A) sm = {} sm2 = {} for key, value in count.items(): sm[key] = value*(value-1)//2 sm2[key] = (value-1)*(value-2)//2 total = sum(sm.values()) for num in A: print(total - sm[num] + sm2[num])
p02714
s309154056
Accepted
n = int(input()) s = input() ans = s.count('R') * s.count('G') * s.count('B') for i in range((n-3)//2+1): for j in range(n-3-i*2+1): j1 = j+i+1 j2 = j+i*2+2 if s[j] != s[j1] and s[j1] != s[j2] and s[j2] != s[j]: ans -= 1 print(ans)
p02785
s295649128
Wrong Answer
import numpy as np N,K = map(int,input().split()) H = list(map(int,input().split())) H.sort j=0 if K >= N: print(N) else: for i in range (N-K): j+=H[i] print(j+K)
p02755
s397266676
Accepted
m,n=map(int,input().split()) l=[] for i in range(1,12500): if i*2//25==m and i//10==n: l.append(i) if len(l)==0: print(-1) else: print(min(l))
p02987
s753836014
Accepted
a=list(input()) b=set(a) count=0 for i in range(4): if a[0]==a[i]: count+=1 if len(b)==2 and (count==2): print('Yes') else: print('No')
p03951
s845182934
Accepted
n=int(input()) s=input() r=input() t=s+r f=0 for i in range(n): if(s[i:]==r[:n-i]): t=s[:i]+r f=1 break if(f==1): print(len(t)) else: print(2*n)
p03208
s627049151
Wrong Answer
import sys import numpy as np input = sys.stdin.readline def readstr(): return input().strip() def readint(): return int(input()) def readnums(): return map(int, input().split()) def readstrs(): return input().split() def main(): N, K = readnums() h = np.sort(np.array([readint() for _ in range(N)])) print(min(h[K - 1] - h[0], h[-1] - h[-K])) if __name__ == "__main__": main()
p02994
s876593595
Accepted
N, L = map(int, input().split()) taste_list = list(range(L, N + L, 1)) print(sum(taste_list) - min(taste_list, key=lambda x: -x if x < 0 else x))
p03494
s521570989
Accepted
n = int(input()) A = list(map(int, input().split())) cont = 0 cont_list =[] for a in A: if a % 2 != 0: cont_list.append(cont) break else: while a % 2==0: a //= 2 cont += 1 cont_list.append(cont) cont=0 print(min(cont_list))
p03137
s150177173
Accepted
N, M = map(int, input().split()) X = list(map(int, input().split())) Y = [] X.sort() for i in range(1, M): Y.append(X[i] - X[i-1]) Y.sort() if N >= M: print(0) else: print(sum(Y[:M-N]))
p02933
s775760707
Accepted
#!/usr/bin/env python from collections import deque, defaultdict from itertools import combinations, combinations_with_replacement import bisect from math import factorial, sqrt, log, ceil, floor def main(): #N, M = map(int, input().split()) #N, K = map(int, input().split()) a = int(input()) s = input() if a >= 3200: print(s) else: print("red") if __name__ == '__main__': main()
p02879
s120542020
Accepted
a,b = map(int,input().split()) print(a*b if a<=9 and b<=9 else -1)
p03324
s838369408
Wrong Answer
d,n = map(int,input().split()) print(n*100**d)
p03711
s112729142
Accepted
G1 = [1,3,5,7,8,10,12] G2 = [4,6,9,11] x,y = map(int, input().split()) if x in G1 and y in G1: print('Yes') elif x in G2 and y in G2: print('Yes') else: print('No')
p03012
s870346703
Accepted
N = int(input()) W = list(map(int,input().split())) ans = float("inf") for T in range(N): ans = min(ans, abs(sum(W[:T]) - sum(W[T:]))) print(ans)
p02779
s576499348
Accepted
N = int(input()) L_a = [int(s) for s in input().rstrip().split(' ')] l_a = set(L_a) if len(l_a) == len(L_a): print("YES") else: print("NO")
p03485
s376077662
Wrong Answer
a, b = (int(x) for x in input().split()) x = (a+b) / 2 if (a+b) % 2 == 0: print(x) else: print(x + 0.5)
p03434
s142490537
Accepted
n = int(input()) a = list(map(int, input().split())) a.sort(reverse=True) if n%2 == 1: a.append(0) n += 1 ans = 0 for i in range(n//2): ans += a[2*i] ans -= a[2*i+1] print(ans)
p02971
s566595843
Accepted
import math import collections def main(): n = int(input()) s = [] dd = collections.defaultdict(int) for i in range(n): a = int(input()) dd[a]+=1 s.append(a) k = max(dd.keys()) lis = sorted(list(dd.keys()),reverse = True) for i in range(n): if(s[i]==k and dd[s[i]]==1): print(lis[1]) else: print(k) if __name__ == '__main__': main()
p02899
s773093115
Accepted
n = int(input()) a=list(map(int,input().split())) ans = [-1]*n for i,b in enumerate(a): ans[b-1]=i+1 print(*ans)
p03555
s088839525
Accepted
a=input() b=input() if(a[2]==b[0] and a[1]==b[1] and a[0]==b[2]): print('YES') else: print('NO')
p02660
s077303397
Wrong Answer
from math import sqrt def eratosthenes(x): prime = [] for i in range(2, int(sqrt(x)) + 1): if x % i == 0: prime.append(i) while x % i == 0: x //= i return prime N = int(input()) prime = eratosthenes(N) ans = 0 for x in prime: i = 1 while N % x**i == 0: ans += 1 N /= x**i i += 1 print(ans)
p03071
s497100364
Wrong Answer
A,B = map(int,input().split()) print(max(2*A-1, A+B, 2*B+1))
p03328
s765187086
Wrong Answer
a,b = map(int,input().split()) l = [i*(i+1)//2 for i in range(1,101)] ans = 0 for i in range(100): a += 1 b += 1 ans += 1 if a in l and b in l: print(ans) break
p02595
s734389518
Wrong Answer
A,B = map(int,input().split()) t=0 for i in range(A): X,Y = map(int,input().split()) if (X^2+Y^2)>=B^2: t=t+1 else: t=t print(t)
p03998
s105406128
Accepted
S={suit:list(input()) for suit in 'abc'} s='a' while S[s]:s=S[s].pop(0) print(s.upper())
p02848
s024925669
Accepted
N = int(input()) S = input() for i in range(len(S)): print(chr(ord("A") + (ord(S[i]) - ord("A") + N) % 26), end="")
p02645
s968654051
Accepted
S = input() print(S[:3])
p03672
s473198220
Accepted
S=input() N=len(S) ans="" for i in range(2,N,2): T=S[:i] T1=T[:i//2] T2=T[i//2:] if T1==T2: ans=T print(len(ans))
p02743
s792493581
Accepted
import math s = input().split() a = int(s[0]) b = int(s[1]) c = int(s[2]) if a + b >= c : print('No') else: if 4*a*b < ( c - a - b ) ** 2 : print('Yes') else: print('No')
p02772
s458574372
Accepted
N = int(input()) A = list(map(int,input().split())) for a in A: if a%2 == 0: if a%3 != 0 and a%5 != 0: print("DENIED") exit() print("APPROVED")
p02645
s001243843
Accepted
S=str(input()) n=[] for i in range(3): n.append(S[i]) print(''.join(n))
p02583
s188279283
Accepted
from itertools import combinations def main(): _ = int(input()) A = list(map(int, input().split())) if len(set(A)) < 3: print(0) return C = combinations(A, 3) ans = 0 for c in C: c = sorted(c) if c[0] != c[1] and c[0] != c[1] and c[1] != c[2]: if c[2] < c[1] + c[0]: ans += 1 print(ans) if __name__ == '__main__': main()
p02917
s818324449
Accepted
n = int(input()) li = list(map(int,input().split())) ans_li=[10 ** 5 + 1] * n ans_li[0] = li[0] for i in range(len(li)-1): ans_li[i] = min(li[i], ans_li[i]) ans_li[i+1] = min(li[i], li[i+1]) ans_li[-1] = li[-1] print(sum(ans_li))
p03611
s706120096
Accepted
n = int(input()) a = list(map(int,input().strip().split())) import collections c = collections.Counter(a) _max = 0 for i in range(max(a)+1): _sum = c[i-1] + c[i] + c[i+1] if _max < _sum: _max = _sum print(_max)
p02689
s071546805
Accepted
n,m=map(int,input().split()) h=list(map(int,input().split())) flag=[1]*n for i in range(m): a,b = map(int,input().split()) a-=1 b-=1 if h[a] == h[b]: flag[a] =0 flag[b] =0 elif h[a] > h[b]: flag[b] = 0 else: flag[a] = 0 print(sum(flag))
p03796
s029154790
Wrong Answer
import functools import operator import time N = int(input()) start = time.time() power_list = [x+1 for x in range(N)] result = functools.reduce(operator.mul, power_list) print(result % (10**9+7)) elapsed_time = time.time() - start print(elapsed_time)
p03206
s600049573
Accepted
import sys ri = lambda: int(sys.stdin.readline()) s = ri() print(['Christmas Eve Eve Eve', 'Christmas Eve Eve', 'Christmas Eve', 'Christmas'][s-22])
p02622
s695659266
Wrong Answer
S= list(map(str, input().split())) T= list(map(str, input().split())) STand = set(S) & set(T) STlist = list(STand ) print(len(STlist))
p02627
s136431312
Wrong Answer
N=input() if N.isupper()=="TRUE": print("A") else: print("a")
p03286
s525543100
Wrong Answer
n=int(input()) ans='' while n: ans+=str(n%2) n-=n%2 n//=-2 print([''.join(ans[::-1]),0][n==0])
p02786
s203789535
Wrong Answer
H=int(input()) ans=1 num=1 while H>0: ans+=num num*=2 H//=2 print(ans)
p02753
s265428434
Accepted
s = input() if s == 'AAA' or s == 'BBB': print('No') else: print('Yes')
p03109
s273096834
Accepted
S0,S1,S2=input().split("/") if int(S1)<5: print("Heisei") else: print("TBD")
p03339
s433504089
Accepted
N = int(input()) S = input() Wlist = [0]*(N+1) Elist = [0]*(N+1) for i in range(1,N+1): if S[i-1] == 'W': Wlist[i] = Wlist[i-1] + 1 else: Wlist[i] = Wlist[i-1] if S[i-1] == 'E': Elist[i] = Elist[i-1] + 1 else: Elist[i] = Elist[i-1] ans = [] for i in range(1,N+1): ans.append((Elist[-1] - Elist[i]) + (Wlist[i-1])) print(min(ans))
p02629
s124108392
Accepted
n = int(input()) ans = '' l = [] while n>0: w = chr(96+n%26) if not n%26: w = 'z' n-=26 l.append(w) n = int(n//26) l.reverse() ans = ''.join(l) print(ans)
p03705
s004172845
Accepted
import sys # sys.setrecursionlimit(100000) def input(): return sys.stdin.readline().strip() def input_int(): return int(input()) def input_int_list(): return [int(i) for i in input().split()] def main(): n, a, b = input_int_list() if b < a or (n == 1 and a != b): print(0) sys.exit() n -= 2 if n == 0: print(1) else: ans = (b * n) - (a * n) + 1 print(ans) return if __name__ == "__main__": main()
p02713
s244327654
Accepted
import math K = int(input()) ans = 0 for i in range(1, K+1): for j in range(1, K+1): tmp = math.gcd(i, j) for k in range(1, K+1): ans += math.gcd(tmp, k) print(ans)
p02784
s212837088
Wrong Answer
H,N=map(int,input().split()) As=[int(i) for i in input().split()] if sum(As)>H: print("Yes") else: print("No")
p02684
s822278949
Accepted
n,k = map(int, input().split()) l = [0]+list(map(int, input().split())) journey = [1] for i in range(2*n): next = l[journey[-1]] journey.append(next) if k <= n+1: print(journey[k]) exit() end = n start = n-1 while journey[start] != journey[end]: start -= 1 period = end - start k %= period while k < n: k += period print(journey[k])