Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
from sys import stdin


if __name__ == "__main__":
    _in = [_.rstrip() for _ in stdin.readlines()]
    s =     _in[0]   # type:str
    t =     _in[1]   # type:str
    # vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
    s_arr = [_s for _s in s]
    t_arr = [_t for _t in t]
    s_arr.sort()
    t_arr.sort(reverse=True)
    s = ''.join(s_arr)
    t = ''.join(t_arr)
    if s==t:
        TF = 'Yes' if len(s)<len(t) else 'No'
    else:
        for i in range(min(len(s),len(t))):
            if s[i] != t[i]:
                TF = 'Yes' if s[i]<t[i] else 'No'
                break
    # ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    print(TF)


Fixed submission:
from sys import stdin


if __name__ == "__main__":
    _in = [_.rstrip() for _ in stdin.readlines()]
    s =     _in[0]   # type:str
    t =     _in[1]   # type:str
    # vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
    s_arr = [_s for _s in s]
    t_arr = [_t for _t in t]
    s_arr.sort()
    t_arr.sort(reverse=True)
    s = ''.join(s_arr)
    t = ''.join(t_arr)
    if s==t:
        TF = 'Yes' if len(s)<len(t) else 'No'
    else:
        TF = 'Yes' if s<t else 'No'
    # ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    print(TF)
Buggy python submission (verdict: Runtime Error):
from sys import stdin
import math


if __name__ == "__main__":
    _in = [_.rstrip() for _ in stdin.readlines()]
    N = int(_in[0])  # type:int
    # vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
    cnt = 2**math.floor(math.log2(N))
    # ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    print(cnt)


Fixed submission:
from sys import stdin
import math


if __name__ == "__main__":
    _in = [_.rstrip() for _ in stdin.readlines()]
    N = int(_in[0])  # type:int
    # vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
    cnt = 2**math.floor(math.log(N,2))
    # ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    print(cnt)
Buggy python submission (verdict: Time Limit Exceeded):
from sys import stdin


if __name__ == "__main__":
    _in = [_.rstrip() for _ in stdin.readlines()]
    N = int(_in[0])  # type:int
    a_arr = [None]
    for i in range(N):
        _ = int(_in[i+1])  # type:int
        a_arr.append(_)
    # vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
    memo = []
    now = 1
    cnt = 0
    while True:
        cnt += 1
        _ = a_arr[now]
        if _ in memo or cnt>N:
            cnt = -1
            break
        elif _ == 2:
            break
        else:
            memo.append(_)
            now = _
    # ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    print(cnt)


Fixed submission:
from sys import stdin


if __name__ == "__main__":
    _in = [_.rstrip() for _ in stdin.readlines()]
    N = int(_in[0])  # type:int
    a_arr = [None]
    for i in range(N):
        _ = int(_in[i+1])  # type:int
        a_arr.append(_)
    # vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
    memo = []
    now = 1
    for i in range(N):
        _ = a_arr[now]
        if _ == 2:
            cnt = i+1
            break
        else:
            now = _
    else:
        cnt = -1
    # ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    print(cnt)

Buggy python submission (verdict: Time Limit Exceeded):
from sys import stdin


if __name__ == "__main__":
    _in = [_.rstrip() for _ in stdin.readlines()]
    N = int(_in[0])  # type:int
    a_arr = [None]
    for i in range(N):
        _ = int(_in[i+1])  # type:int
        a_arr.append(_)
    # vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
    memo = []
    now = 1
    cnt = 0
    while True:
        cnt += 1
        _ = a_arr[now]
        if _ in memo:
            cnt = -1
            break
        elif _ == 2:
            break
        else:
            memo.append(_)
            now = _
    # ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    print(cnt)


Fixed submission:
from sys import stdin


if __name__ == "__main__":
    _in = [_.rstrip() for _ in stdin.readlines()]
    N = int(_in[0])  # type:int
    a_arr = [None]
    for i in range(N):
        _ = int(_in[i+1])  # type:int
        a_arr.append(_)
    # vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
    memo = []
    now = 1
    for i in range(N):
        _ = a_arr[now]
        if _ == 2:
            cnt = i+1
            break
        else:
            now = _
    else:
        cnt = -1
    # ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    print(cnt)
Buggy python submission (verdict: Runtime Error):
from sys import stdin


if __name__ == "__main__":
    _in = [_.rstrip() for _ in stdin.readlines()]
    r,g,b = list(map(int,_in[0].split(' ')))  # type:list(int)
    # vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
    TF = 'YES' if int(f'{r}{g}{b}')%4==0 else 'NO'
    # ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    print(TF)


Fixed submission:
from sys import stdin


if __name__ == "__main__":
    _in = [_.rstrip() for _ in stdin.readlines()]
    r,g,b = _in[0].split(' ')  # type:list(str)
    # vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
    TF = 'YES' if int(r+g+b)%4==0 else 'NO'
    # ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    print(TF)
Buggy python submission (verdict: Runtime Error):
from sys import stdin


if __name__ == "__main__":
    _in = [_.rstrip() for _ in stdin.readlines()]
    S_arr = _in[0]  # type:list(int)
    # vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
    N = len(S_arr)-1
    cnt = 0
    for bit in range(1<<N):
        # bit = 0: '', 1: '+'
        tmp = []
        pointa = 0
        for i in range(N):
            if bit&(1<<i):
                tmp.append(int(S_arr[pointa:i+1]))
                pointa = i+1
        else:
            i+=1
            tmp.append(int(S_arr[pointa:i+1]))
        cnt += sum(tmp)
    # ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    print(cnt)


Fixed submission:
from sys import stdin


if __name__ == "__main__":
    _in = [_.rstrip() for _ in stdin.readlines()]
    S_arr = _in[0]  # type:list(int)
    # vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
    N = len(S_arr)-1
    cnt = 0
    for bit in range(1<<N):
        # bit = 0: '', 1: '+'
        tmp = []
        pointa = 0
        for i in range(N):
            if bit&(1<<i):
                tmp.append(int(S_arr[pointa:i+1]))
                pointa = i+1
        else:
            tmp.append(int(S_arr[pointa:]))
        cnt += sum(tmp)
    # ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    print(cnt)
Buggy python submission (verdict: Time Limit Exceeded):
from sys import exit, stderr
from inspect import currentframe
def debug(*args):
    names = {id(v):k for k,v in currentframe().f_back.f_locals.items()}
    print(', '.join(names.get(id(arg),'???')+' = '+repr(arg) for arg in args), file=stderr)
    return
N = int(input())
a = [int(_) for _ in input().split()]
b = set()
out = []
n = 0
for i in range(N-1, -1, -1):
    if a[i] == 1:
        out.append(i + 1)
        n += 1
        # print(i+1)
        for f in range(1, int((i+1)**0.5)+1):
            if (i+1)%f == 0:
                a[f-1] = 0 if a[f-1] == 1 else 1
                if f != (i+1)//f and f != 1:
                    a[(i+1)//f-1] = 0 if a[(i+1)//f-1] == 1 else 1
    debug(a)
print(n)
# print(b)
if len(out) > 0:
    for i in range(len(out)):
        print(out[i], end=" ")
    print()


Fixed submission:
# from sys import exit, stderr
# from inspect import currentframe
# def debug(*args):
#     names = {id(v):k for k,v in currentframe().f_back.f_locals.items()}
#     print(', '.join(names.get(id(arg),'???')+' = '+repr(arg) for arg in args), file=stderr)
#     return
N = int(input())
a = [int(_) for _ in input().split()]
b = set()
out = []
n = 0
for i in range(N-1, -1, -1):
    if a[i] == 1:
        out.append(i + 1)
        n += 1
        # print(i+1)
        for f in range(1, int((i+1)**0.5)+1):
            if (i+1)%f == 0:
                a[f-1] = 0 if a[f-1] == 1 else 1
                if f != (i+1)//f and f != 1:
                    a[(i+1)//f-1] = 0 if a[(i+1)//f-1] == 1 else 1
    # debug(a)
print(n)
# print(b)
if len(out) > 0:
    for i in range(len(out)):
        print(out[i], end=" ")
    print()
Buggy python submission (verdict: Time Limit Exceeded):
from sys import exit
import queue
import numpy as np
Q = queue.Queue()
H,W = [int(n) for n in input().split()]
INF = (1 << 21)
dxy = [[1,0],[-1,0],[0,1],[0,-1]]
A = [0 for _ in range(H)]
black = []
dis = np.array([[0 for _ in range(W)] for _ in range(H)])
for i in range(H):
    A[i] = list(str(input()))
    for j in range(len(A[i])):
        if(A[i][j] == "#"):
            Q.put((i,j))
A = np.array(A)
while(not Q.empty()):
    now = Q.get()
    A[now[0]][now[1]] = "#"
    for d in dxy:
        i,j = now[0]+d[0], now[1]+d[1]
        if(0 <= i <= H-1 and 0 <= j <= W-1 and A[i][j] == "."):
            A[i][j] = "#"
            Q.put((i,j))
            dis[i][j] = dis[now[0]][now[1]] + 1
ans = 0
for i in range(H):
    tmp = np.max(dis[i])
    ans = max(ans,tmp)
print(ans)


Fixed submission:
from collections import deque
H, W = [int(n) for n in input().split()]
map = [0 for _ in range(H)]
INF = 10**8
dis = [[INF for _ in range(W)]for __ in range(H)]
Q = deque()
for i in range(H):
    map[i] = list(str(input()))
    for j in range(W):
        if map[i][j] == "#":
            Q.append((i, j))
            dis[i][j] = 0
dxy = [[1, 0], [0, 1], [-1, 0], [0, -1]]
ans = 0
while(len(Q) != 0):
    n = Q.pop()
    for d in dxy:
        tx, ty = n[0] + d[0], n[1] + d[1]
        if(0 <= tx <= H - 1 and 0 <= ty <= W - 1 and map[tx][ty] == "."):
            map[tx][ty] = "#"
            Q.appendleft((tx, ty))
            dis[tx][ty] = dis[n[0]][n[1]] + 1
            ans = max(dis[tx][ty], ans)
print(ans)
# for i in range(H):
#     print(dis[i])

Buggy python submission (verdict: Time Limit Exceeded):
from sys import exit
H,W = [int(n) for n in input().split()]
INF = (1 << 21)
dxy = [[1,0],[-1,0],[0,1],[0,-1]]
A = [0 for _ in range(H)]
black = []
for i in range(H):
    A[i] = list(str(input()))
    for j in range(len(A[i])):
        if(A[i][j] == "#"):
            black.append((i,j))
ans = 0
while(len(black) != H*W):
    tmp = []
    for b in black:
        for d in dxy:
            i = b[0] + d[0]
            j = b[1] + d[1]
            # print(i,j)
            if(0 <= i <= H-1 and 0 <= j <= W-1 and A[i][j] == "."):
                A[i][j]="#"
                tmp.append((i, j))
                # print("A")
    black.extend(tmp)
    ans+=1
print(ans)


Fixed submission:
from collections import deque
H, W = [int(n) for n in input().split()]
map = [0 for _ in range(H)]
INF = 10**8
dis = [[INF for _ in range(W)]for __ in range(H)]
Q = deque()
for i in range(H):
    map[i] = list(str(input()))
    for j in range(W):
        if map[i][j] == "#":
            Q.append((i, j))
            dis[i][j] = 0
dxy = [[1, 0], [0, 1], [-1, 0], [0, -1]]
ans = 0
while(len(Q) != 0):
    n = Q.pop()
    for d in dxy:
        tx, ty = n[0] + d[0], n[1] + d[1]
        if(0 <= tx <= H - 1 and 0 <= ty <= W - 1 and map[tx][ty] == "."):
            map[tx][ty] = "#"
            Q.appendleft((tx, ty))
            dis[tx][ty] = dis[n[0]][n[1]] + 1
            ans = max(dis[tx][ty], ans)
print(ans)
# for i in range(H):
#     print(dis[i])
Buggy python submission (verdict: Runtime Error):
from sys import exit
from collections import defaultdict
import itertools
H,W,N = [int(n) for n in input().split()]
Sr,Sc = [int(n) for n in input().split()]
#上に
Uout = H-Sr + 1
#下に
Dout = Sr
#右に落とすのに必要な歩数
Rout = W - Sc + 1
#左に
Lout = Sc
S = str(input())
T = str(input())

def check(outcnt, C, A, lim, B):
    re = False
    for s,t in zip(S,T):
        if s == B and outcnt == lim -1:
            re = True
            break
        if( s == C):
            outcnt -= 1
        if(outcnt == 0 ):
            print("NO")
            exit()
        if(t == A and outcnt < lim):
            outcnt += 1
    if(re):
        check(outcnt, C, A, lim-1, B)
check(Rout, "R", "L", W, "L")
check(Lout, "L", "R", W, "R")
check(Uout, "U", "D", H, "D")
check(Dout, "D", "U", H, "U")
print("YES")


Fixed submission:
from sys import exit
from collections import defaultdict
H,W,N = [int(n) for n in input().split()]
Sr,Sc = [int(n) for n in input().split()]
#上に
Dout = H-Sr + 1
#下に
Uout = Sr
#右に落とすのに必要な歩数
Rout = W - Sc + 1
#左に
Lout = Sc
# print(Uout, Dout,Rout, Lout)
S = str(input())
T = str(input())
ptrC = defaultdict(int)
ptrA = defaultdict(int)
for s,t in zip(S,T):
    ptrC[s]+=1
    ptrA[t]+=1
# print(ptrC,ptrA)
# if ptrC["R"] - ptrA["L"] >= Rout or ptrC["L"] - ptrA["R"] >= Lout or ptrC["D"] - ptrA["U"] >= Dout or ptrC["U"] - ptrA["D"] >= Uout:
#     print("NO")
#     exit()
def check(outcnt, C, A, lim, B):
    backed = 0
    for s,t in zip(S,T):
        if s == B and outcnt == lim -1 and backed > 0:
            outcnt -= 1
            backed -= 1
        if( s == C ):
            outcnt -= 1
        if( outcnt == 0 ):
            print("NO")
            exit()
        if( t == A and outcnt < lim ):
            outcnt += 1
            backed += 1

check(Rout, "R", "L", W, "L")
check(Lout, "L", "R", W, "R")
check(Uout, "U", "D", H, "D")
check(Dout, "D", "U", H, "U")
print("YES")
Buggy python submission (verdict: Runtime Error):
from sys import exit
N,K = [int(n) for n in input().split()]
# N = int(input())
# a = [int(input()) for _ in range(N)]
S = str(input())
L = len(S)
if(S[0] == "0"):#偶数Indexがブリッジ
    st0 = True
else:
    st0 = False
tmp = S[0]
lis = []
maxlen = 0
for i in range(1,L):
    if(S[i]!=S[i-1]):
        lis.append(len(tmp))
        maxlen = max(maxlen,len(tmp))
        tmp =S[i]
    else:
        tmp+=S[i]
maxlen = max(maxlen,len(tmp))
lis.append(len(tmp))
# print(maxlen)
# print(lis)
# print(maxlen)
# print(st0)
ans = maxlen
# tmpans = maxlen
L = len(lis)
if(st0):#奇数Indexをうめる時！0001010100000
    l = 0
    r = 0
    tmpans = 0
    tmpk = 0#うめたかず
    for i in range(0,L,2):
        if(tmpk < K and i+1 < L):#うめられるだけうめてない
            tmpk+=1
            tmpans+=lis[i]+lis[i+1]
        elif i+1 < L:#うめきった
            ans = max(ans,tmpans)
            if(l == 0):
                tmpans-=lis[r]
                l=9
            else:
                tmpans-=lis[r]+lis[r+1]
            tmpans+=lis[i]+lis[i+1]
            # print(tmpans,i)
            r+=2
        elif i+1 == L:#0が最後
            ans = max(ans,tmpans)
            tmpans-=lis[r]+lis[r+1]
            tmpans+=lis[i]
    print(max(ans,tmpans))
else:#偶数Indexをうめる時！11101010110011
    r = 0
    tmpans = lis[0]
    tmpk = 0#うめたかず
    for i in range(1,L,2):
        if(tmpk < K and i+1 < L):#うめられるだけうめてない
            tmpk+=1
            tmpans+=lis[i]+lis[i+1]

        elif i+1 < L:#うめきった
            ans = max(ans,tmpans)
            # print(tmpans,i)
            tmpans-=lis[r]+lis[r+1]
            tmpans+=lis[i]+lis[i+1]
            r+=2
        elif i+1 == L:#0が最後
            ans = max(ans,tmpans)
            tmpans-=lis[r]+lis[r+1]
            tmpans+=lis[i]
    print(max(ans,tmpans))
# 14 2
# 11101010110011
# 10 1
# 0000000001


Fixed submission:
from sys import exit
N,K = [int(n) for n in input().split()]
# N = int(input())
# a = [int(input()) for _ in range(N)]
S = str(input())
L = len(S)
lis = []
if(S[0] == "0"):#偶数Indexがブリッジ
    lis.append(0)
tmp = S[0]

for i in range(1,L):
    if(S[i]!=S[i-1]):
        lis.append(len(tmp))
        tmp =S[i]
    else:
        tmp+=S[i]
lis.append(len(tmp))
#0で終わっていたら最後に１が0個であるとする
if("0" in tmp):
    lis.append(0)
# print(lis)

#累積和をとる
L = len(lis)
# print(L)
asum = [0]*(L+1)
asum[0] = 0
for i in range(1,L+1):
    asum[i] = asum[i-1] + lis[i-1]
# print(asum)

#尺をとる
l = 0
ans = max(lis) if l+2*K+1 < L+1 else sum(lis)
for r in range(l+2*K+1 , L+1,2):
    # print(l,r)
    # print(asum[r] - asum[l])
    ans = max(asum[r] - asum[l],ans)
    l+=2
print(ans)

# 14 2
# 11101010110011
# 10 1
# 0000000001
Buggy python submission (verdict: Runtime Error):
from sys import exit
H,W,K = [int(n) for n in input().split()]
memo = [[0 for _ in range(H+1)] for __ in range(W)]
memo[0][0] = 1
for h in range(1,H+1):
    for pt in range((1 << W-1)):#1 == 線あり 0 == 線なし　とする
        pts = bin(pt)[2:]
        pts = pts[::-1]#反転
        if "11" in pts: continue
        # print(pts)
        #各パターンの時の各線の計算
        for i in range(W):
            if i < len(pts) and pts[i] == "1":
                # print(i)
                memo[i][h] += memo[i+1][h-1]
                memo[i+1][h] += memo[i][h-1]
                i+=1#よみとばす
            else:
                memo[i][h] += memo[i][h-1]
        for wt in range(0,W):
            # print(memo[wt])
print(memo[K-1][H])
    # for wt in range(0,W):
    #     print(memo[wt])
        # for i in range(0,N):
        #     if(bit & (1 << i)):#1が一本たっていて、iだけ横にシフトするものとマスクとの共通部分
        #         print(i)
            # print("BIT:", end="")
            # print(bin(1 << i))
exit()


Fixed submission:


H,W,K = [int(n) for n in input().split()]
memo = [[0 for _ in range(W)] for __ in range(H+1)]
memo[0][0] = 1
MOD = 10**9 + 7
for h in range(1,H+1):
    for pt in range((1 << W-1)):#1 == 線あり 0 == 線なし　とする
        # pts = bin(pt)[2:]
        # pts = pts[::-1]#反転
        if "11" in bin(pt): continue
        #各パターンの時の各線の計算
        goto = [i for i in range(W)]
        for i in range(W):
            if (1 << i) & pt:
                goto[i], goto[i + 1] = goto[i + 1], goto[i]
        for i in range(W):
            memo[h][goto[i]] += memo[h-1][i]
            memo[h][goto[i]] %= MOD


print(memo[H][K-1])
Buggy python submission (verdict: Runtime Error):
import sys
import math
N,M = [int(n) for n in input().split()]
S = str(input())
T = str(input())

def lcm(N,M):
    return(N*M/math.gcd(N,M))

if (N % M == 0 or M % N == 0):
    if S!= T:
        print(-1)
        sys.exit()
else:
    print(int(lcm(N,M)))


Fixed submission:
import sys
N,M = [int(n) for n in input().split()]
S = str(input())
T = str(input())

# N < M
def gcd(N,M):
    if(N > M):
        tmp = N
        N = M
        M = tmp
    r = M % N
    while(r != 0):
        M = N
        N = r
        r = M%N
    return N

def lcm(N,M):
    return(N*M/gcd(N,M))

if (N % M == 0):
    if S == T:
        print(M)
    else:
        p = int(N/M)
        for i in range(M):
            if T[i] != S[i*p]:
                print(-1)
                sys.exit()
        print(N)
elif (M % N == 0):
    if S == T:
        print(M)
    else:
        p = int(M/N)
        for i in range(N):
            if S[i] != T[i*p]:
                print(-1)
                sys.exit()
        print(M)
else:
    mngcd = gcd(N,M)
    k = int(N/mngcd)
    m = int(M/mngcd)
    for i in range(mngcd):
        if S[i*k] != T[i*m]:
            print(-1)
            sys.exit()
    print(int(lcm(N,M)))
Buggy python submission (verdict: Runtime Error):
import sys
# N,M = [int(n) for n in input().split()]
# S = str(input())
# T = str(input())
S = str(input())
K = int(input())

for i in range(len(S)):
    if(S[i] == "1" and i+1 == K:
        print("1")
        sys.exit()
    elif(S[i]!="1"):
        print(S[i])
        sys.exit()


Fixed submission:
import sys
# N,M = [int(n) for n in input().split()]
# S = str(input())
# T = str(input())

S = str(input())
K = int(input())
numplace = 0

for i in range(len(S)):
    if (S[i] == "1"):
        numplace+=1
    else:
        numplace+= 5000000000000000**int(S[i])
    if(numplace>=K):
        print(S[i])
        sys.exit()

Buggy python submission (verdict: Time Limit Exceeded):
import sys
# N,M = [int(n) for n in input().split()]
# S = str(input())
# T = str(input())

S = str(input())
K = int(input())
numplace = 0

for i in range(len(S)):
    if (S[i] == "1"):
        numplace+=1
    else:
        numplace+= int(S[i])**5000000000000000
    if(numplace>=K):
        print(S[i])
        sys.exit()


Fixed submission:
import sys
# N,M = [int(n) for n in input().split()]
# S = str(input())
# T = str(input())

S = str(input())
K = int(input())
numplace = 0

for i in range(len(S)):
    if (S[i] == "1"):
        numplace+=1
    else:
        numplace+= 5000000000000000**int(S[i])
    if(numplace>=K):
        print(S[i])
        sys.exit()
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
S = str(input())


ans = 4000000
for l in range(N):#Leader
    changecount = 0
    for i in range(N):
        if(i<l and S[i] == "W") or (i>l and S[i] == "E"):
            changecount+=1
    ans = min(ans,changecount)
print(ans)


Fixed submission:
import sys
# N,M = [int(n) for n in input().split()]
# S = str(input())
# T = str(input())
# a,b,c = [int(n) for n in input().split()]
# ←W, E→
# EEELWWWWにしたい
N = int(input())
S = str(input())
cusum = [0]*N
cusum[0] = 1 if S[0] == 'E' else 0

for i in range(1,N):
    cusum[i] = cusum[i-1]
    if S[i] == 'E':
        cusum[i]+=1
ans = 999999999999
for i in range(N):
    if i == 0:
        tmp = cusum[N-1] - cusum[0]
    elif i == N-1:
        tmp = N-1 - cusum[N-2]
    else:
        tmp = i - cusum[i-1]
        tmp += cusum[N-1] - cusum[i]
    ans = min(tmp, ans)
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
s = str(input())
K = int(input())
S = set()
anslength = 1
while len(s) >= anslength:
    for i in range(0,len(s)-anslength+1):
        S.add(s[i:i+anslength])
    anslength+=1
LS = list(S)
LS.sort()
print(LS[K-1])


Fixed submission:
s = str(input())
K = int(input())
S = set()
anslength = K
while 0 < anslength:
    for i in range(0,len(s)-anslength+1):
        S.add(s[i:i+anslength])
    anslength-=1
LS = list(S)
LS.sort()
print(LS[K-1])
Buggy python submission (verdict: Runtime Error):
import sys
# A,B,C = [int(n) for n in input().split()]
N = int(input())
# S = str(input())
# T = str(input())
t = [0]*N
x = [0]*N
y = [0]*N
for i in range(N):
    t[i],x[i],y[i] = [int(n) for n in input().split()]
dt = t[0]
d = x[0] + y[0]
if(dt < d || dt%2 != d%2):
    print("No")
    sys.exit()
for i in range(1,N):
    dt = t[i] - t[i-1]
    d = abs(x[i] - x[i-1]) + abs(y[i] - y[i-1])
    if(dt < d || dt%2 != d%2):
        print("No")
        sys.exit()
print("Yes")


Fixed submission:
import sys
N = int(input())
t = [0]*N
x = [0]*N
y = [0]*N
for i in range(N):
    t[i],x[i],y[i] = [int(n) for n in input().split()]
dt = t[0]
d = x[0] + y[0]
if(dt < d or dt%2 != d%2):
    print("No")
    sys.exit()
for i in range(1,N):
    dt = t[i] - t[i-1]
    d = abs(x[i] - x[i-1]) + abs(y[i] - y[i-1])
    if(dt < d or dt%2 != d%2):
        print("No")
        sys.exit()
print("Yes")
Buggy python submission (verdict: Runtime Error):
import sys
# A,B,C = [int(n) for n in input().split()]
N,K = [int(n) for n in input().split()]
# S = str(input())
# T = str(input())
bucket = [0]*(N+1)
A = [int(n) for n in input().split()]
s = set(A)
for a in A:
    bucket[a]+=1
bucket = [n for n in bucket if n != 0]
rc = len(s) - K
ans = 0
for r in range(rc):
    tminid = bucket.index(tmin)
    ans += bucklet[tminid]
    bucket[tminid]=200006
print(ans if ans >=0 else 0)


Fixed submission:
import sys
N = int(input())

a = [int(n) for n in input().split()]

dic = {}
for ak in a:
    if not(ak in dic):
        dic[ak] = 1
    else:
        dic[ak] += 1
ans = 0
for k in dic.keys():
    if(dic[k] - k > 0):
        ans+=dic[k] - k
    elif(dic[k] - k < 0):
        ans+=dic[k]
print(ans)
Buggy python submission (verdict: Runtime Error):
from sys import exit
# A,B,C = [int(n) for n in input().split()]
N = int(input())
# a = [int(input()) for _ in range(N)]
for i in range(1,N+1):
    if(i**2>N):
        anss = i-1
        break
print(anss**2)

Fixed submission:
from sys import exit
# A,B,C = [int(n) for n in input().split()]
N = int(input())
# a = [int(input()) for _ in range(N)]
anss = 1
for i in range(1,N+1):
    if(i**2>N):
        anss = i-1
        break
print(anss**2)