Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Time Limit Exceeded):
h,w = map(int,input().split())

al = []

for _ in range(h):
    a = list(input())
    al.append(a)
c = 0
job = []
for i in range(h):
    for j in range(w):
        if al[i][j] == "#":
            job.append((i, j))
            c += 1
ans = 0
while True:
    if c == h*w:
        print(ans)
        import sys
        sys.exit()
    ans += 1
    job2 = []
    for y, x in job:
        vec = [(-1, 0), (1, 0), (0, 1), (0, -1)]
        for v in vec:
            xx = v[0] + x
            yy = v[1] + y
            if 0 <= xx < w and 0 <= yy < h:
                if al[yy][xx] == ".":
                    al[yy][xx] = "#"
                    job2.append((yy,xx))
                    c += 1
    job = job2
            



Fixed submission:
h,w = map(int,input().split())

al = []

for _ in range(h):
    a = list(input())
    al.append(a)
c = 0
job = []
for i in range(h):
    for j in range(w):
        if al[i][j] == "#":
            job.append((i, j))
            c += 1
ans = 0
while True:
    if c == h*w:
        print(ans)
        import sys
        sys.exit()
    ans += 1
    job2 = []
    for y, x in job:
        vec = [(-1, 0), (1, 0), (0, 1), (0, -1)]
        for v in vec:
            xx = v[0] + x
            yy = v[1] + y
            if 0 <= xx < w and 0 <= yy < h:
                if al[yy][xx] == ".":
                    al[yy][xx] = "#"
                    job2.append((yy,xx))
                    c += 1
    job = job2

Buggy python submission (verdict: Time Limit Exceeded):
h,w = map(int,input().split())

al = []

for _ in range(h):
    a = list(input())
    al.append(a)
job = []
for i in range(h):
    for j in range(w):
        if al[i][j] == "#":
            job.append((i, j))
ans = 0
while True:
    for i in range(h):
        for j in range(w):
            if al[i][j] == ".":
                break
        else:
            continue
        break
    else:
        print(ans)
        import sys
        sys.exit()
    ans += 1
    job2 = []
    for y, x in job:
        vec = [(-1, 0), (1, 0), (0, 1), (0, -1)]
        for v in vec:
            xx = v[0] + x
            yy = v[1] + y
            if 0 <= xx < w and 0 <= yy < h:
                if al[yy][xx] == ".":
                    al[yy][xx] = "#"
                    job2.append((yy,xx))
    job = job2
            



Fixed submission:
h,w = map(int,input().split())

al = []

for _ in range(h):
    a = list(input())
    al.append(a)
c = 0
job = []
for i in range(h):
    for j in range(w):
        if al[i][j] == "#":
            job.append((i, j))
            c += 1
ans = 0
while True:
    if c == h*w:
        print(ans)
        import sys
        sys.exit()
    ans += 1
    job2 = []
    for y, x in job:
        vec = [(-1, 0), (1, 0), (0, 1), (0, -1)]
        for v in vec:
            xx = v[0] + x
            yy = v[1] + y
            if 0 <= xx < w and 0 <= yy < h:
                if al[yy][xx] == ".":
                    al[yy][xx] = "#"
                    job2.append((yy,xx))
                    c += 1
    job = job2
Buggy python submission (verdict: Runtime Error):
a,b = map(int,input().split())

if a == b:
    print(a)
    exit()
ansl = []
if a % 2 == 1:
    ansl.append(a)
    a += 1
if b % 2 == 0:
    ansl.append(b)
    b -= 1

k = b - a + 1
k = k // 2
if k % 2 == 1:
    ansl.append(1)
if len(ansl) == 0:
    print(0)
if len(ansl) == 1:
    print(ansl[0])
elif len(ansl) == 2:
    print(ansl[0] ^ ansl[1])
else:
    print(ansl[0] ^ ansl[1] ^ ansl[2])

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

a1 = 0
b1 = 0
l = []
if a % 2 != 0:
   a1 = 1
if b % 2 == 0:
   b1 = 1
if a1 == 1:
   l.append(a)
one = b - a + 1 - a1 -b1
if one // 2 % 2 == 0:
   l.append(0)
if one // 2 % 2 == 1:
   l.append(1)
if b1 == 1:
   l.append(b)

if len(l) == 1:
   print(l[0])
if len(l) == 2:
   print(l[0]^l[1])
if len(l) == 3:
   print(l[0]^l[1]^l[2])

Buggy python submission (verdict: Runtime Error):
a,b = map(int,input().split())

if a == b:
    print(a)
    exit()
ansl = []
if a % 2 == 1:
    ansl.append(a)
    a += 1
if b % 2 == 0:
    ansl.append(b)
    b -= 1

k = b - a + 1
k = k // 2
if k % 2 == 1:
    ansl.append(1)

if len(ansl) == 1:
    print(ansl[0])
elif len(ansl) == 2:
    print(ansl[0] ^ ansl[1])
else:
    print(ansl[0] ^ ansl[1] ^ ansl[2])

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

a1 = 0
b1 = 0
l = []
if a % 2 != 0:
   a1 = 1
if b % 2 == 0:
   b1 = 1
if a1 == 1:
   l.append(a)
one = b - a + 1 - a1 -b1
if one // 2 % 2 == 0:
   l.append(0)
if one // 2 % 2 == 1:
   l.append(1)
if b1 == 1:
   l.append(b)

if len(l) == 1:
   print(l[0])
if len(l) == 2:
   print(l[0]^l[1])
if len(l) == 3:
   print(l[0]^l[1]^l[2])

Buggy python submission (verdict: Runtime Error):
a,b = map(int,input().split())

if a == b:
    print(a)
    exit()
ansl = []
if a % 2 == 1:
    ansl.append(a)
    a += 1
if b % 2 == 0:
    ansl.append(b)
    b -= 1

k = b - a
k = k // 2

if k % 2 == 1:
    ansl.append(1)

if len(ansl) == 1:
    print(ansl[0])
elif len(ansl) == 2:
    print(ansl[0] ^ ansl[1])
else:
    print(ansl[0] ^ ansl[1] ^ ansl[2])

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

a1 = 0
b1 = 0
l = []
if a % 2 != 0:
   a1 = 1
if b % 2 == 0:
   b1 = 1
if a1 == 1:
   l.append(a)
one = b - a + 1 - a1 -b1
if one // 2 % 2 == 0:
   l.append(0)
if one // 2 % 2 == 1:
   l.append(1)
if b1 == 1:
   l.append(b)

if len(l) == 1:
   print(l[0])
if len(l) == 2:
   print(l[0]^l[1])
if len(l) == 3:
   print(l[0]^l[1]^l[2])
Buggy python submission (verdict: Time Limit Exceeded):
a,b,q = map(int,input().split())

sl = [-float("inf")]
for _ in range(a):
    sl.append(int(input()))
sl.append(float("inf"))
tl = [-float("inf")]
for _ in range(b):
    tl.append(int(input()))
tl.append(float("inf"))
    
import bisect


for _ in range(q):
    x = int(input())
    index1 = bisect.bisect(sl, x) 
    index2 = bisect.bisect(tl, x)
    rs = abs(sl[index1] - x) 
    ls = abs(sl[index1-1] - x)
    rt = abs(tl[index2] - x)
    lt = abs(tl[index2-1] - x)
    ansl = []
    ansl.append(max(rs,rt))
    ansl.append(max(ls,lt))
    ansl.append(2*min(rs,lt)+max(rs,lt))
    ansl.append(2*min(ls,rt)+max(ls,rt))
    print(min(ansl))
    

Fixed submission:
a,b,q = map(int,input().split())

sl = [-float("inf")]
for _ in range(a):
    sl.append(int(input()))
sl.append(float("inf"))
tl = [-float("inf")]
for _ in range(b):
    tl.append(int(input()))
tl.append(float("inf"))
    
import bisect


for _ in range(q):
    x = int(input())
    index1 = bisect.bisect(sl, x) 
    index2 = bisect.bisect(tl, x)
    rs = abs(sl[index1] - x) 
    ls = abs(sl[index1-1] - x)
    rt = abs(tl[index2] - x)
    lt = abs(tl[index2-1] - x)
    ansl = []
    ansl.append(max(rs,rt))
    ansl.append(max(ls,lt))
    ansl.append(2*min(rs,lt)+max(rs,lt))
    ansl.append(2*min(ls,rt)+max(ls,rt))
    print(min(ansl))
Buggy python submission (verdict: Runtime Error):
def Frog1():
    import numpy as np
    n = int(input())
    h = list(map(int, input().split()))
    ans = [np.inf for i in range(n)]
    ans[0] = 0
    def dp(ans, h, k):
        if n == k + 1:
            return
        if n != k + 2:
            ans[k + 2] = min(ans[k + 2], ans[k] + abs(h[k + 2] - h[k]))
        ans[k + 1] = min(ans[k + 1], ans[k] + abs(h[k + 1] - h[k]))
        dp(ans, h , k + 1)
    dp(ans, h, 0)
    print(ans[-1])
Frog1()


Fixed submission:
n = int(input())
hl = list(map(int,input().split()))

dp = [float("inf") for i in range(n)]

dp[0] = 0
for idx, h in enumerate(hl):
    if idx + 2 < n:
        dp[idx+2] = min(dp[idx] + abs(hl[idx] - hl[idx+2]), dp[idx+2])
    if idx+1 < n:
        dp[idx+1] = min(dp[idx] + abs(hl[idx] - hl[idx+1]), dp[idx+1])

print(dp[n-1])

Buggy python submission (verdict: Runtime Error):
    import numpy as np
    n = int(input())
    h = list(map(int, input().split()))
    ans = [np.inf for i in range(n)]
    ans[0] = 0
    def dp(ans, h, k):
        if n == k + 1:
            return
        if n != k + 2:
            ans[k + 2] = min(ans[k + 2], ans[k] + abs(h[k + 2] - h[k]))
        ans[k + 1] = min(ans[k + 1], ans[k] + abs(h[k + 1] - h[k]))
        dp(ans, h , k + 1)
    dp(ans, h, 0)
    print(ans[-1])

Fixed submission:
n = int(input())
hl = list(map(int,input().split()))

dp = [float("inf") for i in range(n)]

dp[0] = 0
for idx, h in enumerate(hl):
    if idx + 2 < n:
        dp[idx+2] = min(dp[idx] + abs(hl[idx] - hl[idx+2]), dp[idx+2])
    if idx+1 < n:
        dp[idx+1] = min(dp[idx] + abs(hl[idx] - hl[idx+1]), dp[idx+1])

print(dp[n-1])
Buggy python submission (verdict: Time Limit Exceeded):
n,k = map(int,input().split())

hl = list(map(int,input().split()))

dp = [float("inf") for i in range(n)]

dp[0] = 0
for idx, h in enumerate(hl):
    for i in range(1,k+1):
        if i + idx < n:
            dp[idx+i] = min(dp[idx+i], dp[idx]+ abs(hl[idx]-hl[i+idx]))


print(dp[n-1])

Fixed submission:
n,k = map(int,input().split())

hl = list(map(int,input().split()))

dp = [float("inf") for i in range(n)]

dp[0] = 0
for idx, h in enumerate(hl):
    for i in range(1,k+1):
        if i + idx < n:
            dp[idx+i] = min(dp[idx+i], dp[idx]+ abs(hl[idx]-hl[i+idx]))


print(dp[n-1])
Buggy python submission (verdict: Runtime Error):
s = list(input())
t = list(input())


dp = [["" for _ in range(len(s)+2)] for _ in range(len(t)+2)]

for i in range(len(s)):
    for j in range(len(t)):
        if s[i] == t[j]:
            if len(dp[i][j]) + 1 > len(dp[i][j+1]) and len(dp[i][j]) + 1 > len(dp[i+1][j]):
                dp[i+1][j+1] = dp[i][j] + s[i]
            elif len(dp[i][j+1]) > len(dp[i][j]) + 1 and len(dp[i][j+1]) > len(dp[i+1][j]):
                dp[i+1][j+1] = dp[i][j+1]
            else:
                dp[i+1][j+1] = dp[i+1][j]
        else:
            if len(dp[i+1][j]) > len(dp[i][j+1]):
                dp[i+1][j+1] = dp[i+1][j]
            else:
                dp[i+1][j+1] = dp[i][j+1]

print(dp[len(s)][len(t)])

Fixed submission:
s = input()
t = input()

def solve(S, T):
    L1 = len(S)
    L2 = len(T)
    dp = [[0]*(L2+1) for i in range(L1+1)]

    for i in range(L1-1, -1, -1):
        for j in range(L2-1, -1, -1):
            r = max(dp[i+1][j], dp[i][j+1])
            if S[i] == T[j]:
                r = max(r, dp[i+1][j+1] + 1)
            dp[i][j] = r

    # dp[0][0] が長さの解

    # ここからは復元処理
    res = []
    i = 0; j = 0
    while i < L1 and j < L2:
        if S[i] == T[j]:
            res.append(S[i])
            i += 1; j += 1
        elif dp[i][j] == dp[i+1][j]:
            i += 1
        elif dp[i][j] == dp[i][j+1]:
            j += 1
    return "".join(res)

print(solve(s,t))
Buggy python submission (verdict: Runtime Error):
import numpy as np
n,m = map(int,input().split())

pyl = []
pyl2 = [[] for i in range(n)]    
for _ in range(m):
    p,y = map(int,input().split())
    pyl.append((p,y))
    pyl2[p-1].append(y)
    
argsortpyl = []
for p in pyl2:
    argsortpyl.append(list(np.argsort(np.array(p))))
    
for p,y in pyl:
    x = argsortpyl[p-1].pop(0)
    print(str(p).zfill(6) + str(x+1).zfill(6))

Fixed submission:
n,m = map(int,input().split())

pyl = []
pyl2 = [[] for i in range(n)]    
for i in range(m):
    p,y = map(int,input().split())
    pyl.append((p,y))
    pyl2[p-1].append((y,i))
    
argsortpyl = []
for p in pyl2:
    argsortpyl.append(sorted(p))
    

ansl = ["" for i in range(m)]

for idx, py in enumerate(argsortpyl):
    for ud,(y,i) in enumerate(py):
        ansl[i] = (idx+1, ud+1)
        
for x,y in ansl:
    print(str(x).zfill(6) + str(y).zfill(6))
Buggy python submission (verdict: Time Limit Exceeded):
n,m = map(int,input().split())

ans = 1
for i in range(1,m//n+1):
    rest = m - (i * (n - 1))
    if rest % i == 0:
        ans = i

print(ans)

Fixed submission:
import sys
n,m = map(int,input().split())

ans = 1
for i in range(m//n,0,-1):
    rest = m - (i * (n - 1))
    if rest % i == 0:
        print(i)
        sys.exit()

Buggy python submission (verdict: Time Limit Exceeded):
n,m = map(int,input().split())

ans = 1
for i in range(1,m//n+1):
    rest = m - (i * (n - 1))
    if rest % i == 0:
        ans = i

print(ans)

Fixed submission:
import sys
n,m = map(int,input().split())

ans = 1
for i in range(m//n,0,-1):
    rest = m - (i * (n - 1))
    if rest % i == 0:
        print(i)
        sys.exit()
Buggy python submission (verdict: Runtime Error):
h,w = map(int,input().split())

al_l = []

for _ in range(h):
    al = list(map(int,input().split()))
    al_l.append(al)
    
ansl = []
get = False
for i in range(h):
    for j in range(w-1):
        if not get:
            if al_l[i][j] % 2 == 1:
                get = True
                al_l[i][j] -= 1
                al_l[i][j+1] += 1
                ansl.append(str(i+1)+" "+str(j+1)+" "+str(i+1)+" "+str(j+2))
        elif get:
            if al_l[i][j] % 2 == 0:
                get = False
            else:
                al_l[i][j] -= 1
                al_l[i][j+1] += 1
                ansl.append(str(i+1)+" "+str(j+1)+" "+str(i+1)+" "+str(j+2))
            
get = False  
for i in range(h-1):
    if not get:
        if al_l[i][-1] % 2 == 1:
            get = True
            al_l[i][-1] -= 1
            al_l[i+1][-1] += 1
            ansl.append(str(i+1)+" "+str(j+1)+" "+str(i+2)+" "+str(j+1))
    elif get:
        if al_l[i][-1] % 2 == 0:
            get = False
        else:
            al_l[i][-1] -= 1
            al_l[i+1][-1] += 1
            ansl.append(str(i+1)+" "+str(j+1)+" "+str(i+2)+" "+str(j+1))

print(len(ansl))
for ans in ansl:
    print(ans)
        



Fixed submission:
h,w = map(int,input().split())

al_l = []

for _ in range(h):
    al = list(map(int,input().split()))
    al_l.append(al)
    
ansl = []
get = False
for i in range(h):
    for j in range(w-1):
        if not get:
            if al_l[i][j] % 2 == 1:
                get = True
                al_l[i][j] -= 1
                al_l[i][j+1] += 1
                ansl.append(str(i+1)+" "+str(j+1)+" "+str(i+1)+" "+str(j+2))
        elif get:
            if al_l[i][j] % 2 == 0:
                get = False
            else:
                al_l[i][j] -= 1
                al_l[i][j+1] += 1
                ansl.append(str(i+1)+" "+str(j+1)+" "+str(i+1)+" "+str(j+2))
            
get = False  
for i in range(h-1):
    if not get:
        if al_l[i][-1] % 2 == 1:
            get = True
            al_l[i][-1] -= 1
            al_l[i+1][-1] += 1
            ansl.append(str(i+1)+" "+str(w)+" "+str(i+2)+" "+str(w))
    elif get:
        if al_l[i][-1] % 2 == 0:
            get = False
        else:
            al_l[i][-1] -= 1
            al_l[i+1][-1] += 1
            ansl.append(str(i+1)+" "+str(w)+" "+str(i+2)+" "+str(w))

print(len(ansl))
for ans in ansl:
    print(ans)
Buggy python submission (verdict: Runtime Error):
n,k = map(int,input().split())

k = k // 2
x = n // k
if x % 2 == 0:
    ans = 2 * (x / 2) ** 3
else:
    ans = ((x // 2) + 1) ** 3 + (x // 2) ** 3

print(ans)

Fixed submission:
n,k = map(int,input().split())

if k % 2 == 1:
    print((n//k) ** 3)
else:
    print((n//k) ** 3 + ((n-k//2)//k+1)**3)

Buggy python submission (verdict: Runtime Error):
n,k = map(int,input().split())

k = k // 2
x = n // k
if x % 2 == 0:
    ans = 2 * (x / 2) ** 3
else:
    ans = ((x // 2) + 1) ** 3 + (x // 2) ** 3

print(int(ans))

Fixed submission:
n,k = map(int,input().split())

if k % 2 == 1:
    print((n//k) ** 3)
else:
    print((n//k) ** 3 + ((n-k//2)//k+1)**3)
Buggy python submission (verdict: Time Limit Exceeded):
n,m,Q = map(int,input().split())

dp = [[0 for i in range(n)] for j in range(n)]

for _ in range(m):
    l,r = map(int,input().split())
    dp[l-1][r-1] += 1


for _ in range(Q):
    p,q = map(int,input().split())
    ans = 0
    for i in range(p, q+1):
        for j in range(i, q+1):
            ans += dp[i-1][j-1]
    print(ans)


    
    

Fixed submission:
#a[i][j]
def da_generate(h,w,a):
    da = [[0]*w for j in range(h)]
    da[0][0] = a[0][0]
    for i in range(1,w):
        da[0][i] = da[0][i-1]+a[0][i]
    for i in range(1,h):
        cnt_w = 0
        for j in range(w):
            cnt_w += a[i][j]
            da[i][j] = da[i-1][j]+cnt_w
    return da

#da_calc(p,q,x,y):(p,q)~(x,y)の長方形の和
def da_calc(p,q,x,y,da):
    if p > x or q > y:
        return 0
    if p == 0 and q == 0:
        return da[x][y]
    if p == 0:
        return da[x][y]-da[x][q-1]
    if q == 0:
        return da[x][y]-da[p-1][y]
    return da[x][y]-da[p-1][y]-da[x][q-1]+da[p-1][q-1]

n,m,q = map(int,input().split())
lrl = [[0 for i in range(n)] for j in range(n)]
for _ in range(m):
   l,r = map(int,input().split())
   lrl[l-1][r-1] += 1

da = da_generate(n, n, lrl)

for _ in range(q):
   p,q = map(int,input().split())
   p -= 1
   q -= 1
   print(da_calc(p,p,q,q,da))

Buggy python submission (verdict: Time Limit Exceeded):
n,m,Q = map(int,input().split())

lrl = []
for _ in range(m):
    l,r = map(int,input().split())
    lrl.append((l,r))
    
lrl = sorted(lrl)

import bisect

for _ in range(Q):
    ans = 0
    p,q = map(int,input().split())
    lidx = bisect.bisect_left(lrl, (p,p))
    ridx = bisect.bisect_right(lrl, (q,q))
    new_lrl = lrl[lidx:ridx]
    print(len([i[1] for i in new_lrl if i[1] <= q]))
    
    
    
    

Fixed submission:
#a[i][j]
def da_generate(h,w,a):
    da = [[0]*w for j in range(h)]
    da[0][0] = a[0][0]
    for i in range(1,w):
        da[0][i] = da[0][i-1]+a[0][i]
    for i in range(1,h):
        cnt_w = 0
        for j in range(w):
            cnt_w += a[i][j]
            da[i][j] = da[i-1][j]+cnt_w
    return da

#da_calc(p,q,x,y):(p,q)~(x,y)の長方形の和
def da_calc(p,q,x,y,da):
    if p > x or q > y:
        return 0
    if p == 0 and q == 0:
        return da[x][y]
    if p == 0:
        return da[x][y]-da[x][q-1]
    if q == 0:
        return da[x][y]-da[p-1][y]
    return da[x][y]-da[p-1][y]-da[x][q-1]+da[p-1][q-1]

n,m,q = map(int,input().split())
lrl = [[0 for i in range(n)] for j in range(n)]
for _ in range(m):
   l,r = map(int,input().split())
   lrl[l-1][r-1] += 1

da = da_generate(n, n, lrl)

for _ in range(q):
   p,q = map(int,input().split())
   p -= 1
   q -= 1
   print(da_calc(p,p,q,q,da))
Buggy python submission (verdict: Runtime Error):
import numpy as np
n = int(input())
al = list(map(int,input().split()))

for i in range(n):
    al[i] -= i + 1

med = np.median(np.array(al))

ans = 0
for a in al:
    ans += abs(a-med)
print(int(ans))

Fixed submission:
import numpy as np
n = int(input())
al = list(map(int,input().split()))

for i in range(n):
    al[i] -= i + 1

med = np.median(np.array(al))

ans = 0
for a in al:
    ans += abs(a-med)
print(int(ans))

Buggy python submission (verdict: Runtime Error):
import statistics
n = int(input())
al = list(map(int,input().split()))

for i in range(n):
    al[i] -= i + 1

median = statistics.median(al)

ans = 0
for a in al:
    ans += abs(median - a)

print(int(ans))

Fixed submission:
import numpy as np
n = int(input())
al = list(map(int,input().split()))

for i in range(n):
    al[i] -= i + 1

med = np.median(np.array(al))

ans = 0
for a in al:
    ans += abs(a-med)
print(int(ans))

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
al = list(map(int,input().split()))


ave = sum(al) // len(al)
start = ave
ans = float("inf")
while True:
    tmp = 0
    for idx, a in enumerate(al):
        tmp += abs(start+ idx - a)
    if ans >= tmp:
        ans = tmp
    else:
        break
    start += 1

start = ave
while True:
    tmp = 0
    for idx, a in enumerate(al):
        tmp += abs(start +idx - a)
    if ans >= tmp:
        ans = tmp
    else:
        break
    start -= 1

print(ans)

Fixed submission:
import numpy as np
n = int(input())
al = list(map(int,input().split()))

for i in range(n):
    al[i] -= i + 1

med = np.median(np.array(al))

ans = 0
for a in al:
    ans += abs(a-med)
print(int(ans))
Buggy python submission (verdict: Runtime Error):
n = int(input())

s = n
b = []
while n:
    b.append(n%10)
    n = n // 10

if s % sum(b) == 0:
    print("Yes")
else:

Fixed submission:
n = int(input())

s = n
b = []
while n:
    b.append(n%10)
    n = n // 10

if s % sum(b) == 0:
    print("Yes")
else:
    print("No")
Buggy python submission (verdict: Time Limit Exceeded):
s = input()
k = int(input())



rank = []
for i in range(len(s)):
    for j in range(i+1, max(i+6,len(s)+1)):
        ss = s[i:j]
        rank.append(ss)

rank = sorted(list(set(rank)))
print(rank[k-1])


Fixed submission:
s = input()
k = int(input())



rank = []
for i in range(len(s)):
    for j in range(i+1, min(i+6,len(s)+1)):
        ss = s[i:j]
        rank.append(ss)

rank = sorted(list(set(rank)))
print(rank[k-1])

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

if len(s) == 1:
    print(s)
    import sys
    sys.exit()

rank = []
for i in range(len(s)):
    for j in range(i+1, len(s)+1):
        ss = s[i:j]
        print(ss)
        if ss not in rank:
            if len(rank) < k:
                rank.append(ss)
            else:
                # print(ss)
                if ss <= rank[-1]:
                    rank.pop()
                    rank.append(ss)
                    rank = sorted(rank)
                    # print(rank)

print(rank[-1])


Fixed submission:
s = input()
k = int(input())



rank = []
for i in range(len(s)):
    for j in range(i+1, min(i+6,len(s)+1)):
        ss = s[i:j]
        rank.append(ss)

rank = sorted(list(set(rank)))
print(rank[k-1])
Buggy python submission (verdict: Runtime Error):
n, c = map(int,input().split())

xvl = []
for _ in range(n):
    x,v = map(int,input().split())
    xvl.append((x,v))

get_l = []
sum_v = 0
for x, v in xvl:
    sum_v += v
    get_l.append(sum_v - x)

import itertools
get_l_ac = list(itertools.accumulate(get_l, max))
get_r = []
sum_v = 0
for x, v in xvl[::-1]:
    sum_v += v
    get_r.append(sum_v - (c - x))


ans = 0
x = 0
for i in range(n):
    tmp = 0
    if i > 0:
        x = c - xvl[-i][0]
        tmp += get_r[i-1]
    ans = max(tmp, tmp - x + get_l_ac[n - i - 1], ans)

get_r_ac = list(itertools.accumulate(get_r, max))
x = 0
for i in range(n):
    tmp = 0
    if i > 0:
        x = xvl[i-1][0]
        tmp += get_l[i-1]
    ans = max(tmp, tmp - x + get_r_ac[n - i - 1], ans)

print(ans)

Fixed submission:
n, c = map(int,input().split())

xvl = []
for _ in range(n):
    x,v = map(int,input().split())
    xvl.append((x,v))

get_l = []
sum_v = 0
for x, v in xvl:
    sum_v += v
    get_l.append(sum_v - x)

import itertools
get_l_ac = list(itertools.accumulate(get_l, max))
get_r = []
sum_v = 0
for x, v in xvl[::-1]:
    sum_v += v
    get_r.append(sum_v - (c - x))


ans = 0
x = 0
for i in range(n):
    tmp = 0
    if i > 0:
        x = c - xvl[-i][0]
        tmp += get_r[i-1]
    ans = max(tmp, tmp - x + get_l_ac[n - i - 1], ans)

get_r_ac = list(itertools.accumulate(get_r, max))
x = 0
for i in range(n):
    tmp = 0
    if i > 0:
        x = xvl[i-1][0]
        tmp += get_l[i-1]
    ans = max(tmp, tmp - x + get_r_ac[n - i - 1], ans)

print(ans)