Harryxun/sft_time huggingface dataset:
### BUGGY CODE ###

# 頂点 v の所属するグループを調べる
def root(v, uni):
  if uni[v] < 0:  # v が親の場合
    return v
  else:           # v が子の場合
    uni[v] = root(uni[v], uni)  # 親のrootを調べる
    return uni[v]

# 頂点 a と頂点 b をつなぐ。もともと同じグループのとき、False を返す
def connect(a, b, uni, sets):
  # まずはそれぞれ根の番号に置き換える
  ra = root(a, uni)
  rb = root(b, uni)
  if ra == rb:  # a と b がそもそも同じグループに属しているなら即終了
    return False
  
  # ra と rb を結合し、rb の親を ra とする
  sets[ra] += sets[rb]
  uni[rb] = ra
  return True


##
N, K, L = map(int, input().split())

road = [0]*(N+1)
rail = [0]*(N+1)

road_sets = [0]*(N+1)
rail_sets = [0]*(N+1)

for i in range(1, N+1):
  road[i] = -i
  rail[i] = -i
  road_sets[i] = [i]
  rail_sets[i] = [i]

for i in range(K):
  a, b = map(int, input().split())
  connect(a, b, road, road_sets)

for i in range(L):
  a, b = map(int, input().split())
  connect(a, b, rail, rail_sets)

for i in range(1, N+1):
  tmp = set(road_sets[root(i, road)]) & set(rail_sets[root(i, rail)])
  ans = len(tmp)
  if i == N:
    print(ans)
  else:
    print(ans, end=" ")

### FIXED CODE ###

# 頂点 v の所属するグループを調べる
def root(v, uni):
  if uni[v] < 0:  # v が親の場合
    return v
  else:           # v が子の場合
    uni[v] = root(uni[v], uni)  # 親のrootを調べる
    return uni[v]

# 頂点 a と頂点 b をつなぐ。もともと同じグループのとき、False を返す
def connect(a, b, uni):
  # まずはそれぞれ根の番号に置き換える
  ra = root(a, uni)
  rb = root(b, uni)
  if ra == rb:  # a と b がそもそも同じグループに属しているなら即終了
    return False
	
  # ra を大きなグループにしたいので、逆であれば入れ替える
  if uni[ra] > uni[rb]: # rbの方が要素数が多ければ
    tmp = ra
    ra  = rb 
    rb  = tmp

  # ra と rb を結合し、rb の親を ra とする
  uni[ra] += uni[rb]
  uni[rb] = ra
  return True
      
##
N, K, L = map(int, input().split())

road = [-1]*(N+1)
rail = [-1]*(N+1)

for i in range(K):
  a, b = map(int, input().split())
  connect(a, b, road)

for i in range(L):
  a, b = map(int, input().split())
  connect(a, b, rail)


##
dp = [0]*(N+1)
for i in range(1, N+1):
  dp[i] = (root(i, road), root(i, rail))

dic = {}
for i in range(1, N+1):
  key = dp[i]
  if key not in dic:
    dic[key] = 1
  else:
    dic[key] += 1

for i in range(1, N+1):
  ans = dic[dp[i]]
  if i == N:
    print(ans)
  else:
    print(ans, end=" ")
### BUGGY CODE ###

n = int(input())
ans = 0
def make_divisors(n):
    lower_divisors , upper_divisors = [], []
    i = 1
    while i*i <= n:
        if n % i == 0:
            lower_divisors.append(i)
            if i != n // i:
                upper_divisors.append(n//i)
        i += 1
    return lower_divisors + upper_divisors[::-1]
for i in range(1,n+1):
    ans += (i *len(make_divisors(i)))
print(ans)

### FIXED CODE ###

n = int(input())
ans = 0
for i in range(1,n+1):
    ans += 0.5 * int(n/i) * (2 * i + (int(n/i) - 1) * i)
print(int(ans))
### BUGGY CODE ###

# -*- coding: utf-8 -*-
import sys


def main():
    N = int( sys.stdin.readline() )
    A_list = list(map(int, sys.stdin.readline().split()))
    
    
    mod = 10**9 + 7
    S = 0

    for i in range(len(A_list)-1):
        for j in range(i+1, len(A_list)):
            S += ( A_list[i] * A_list[j] ) % mod
            S %= mod
    
    print(S)


if __name__ == "__main__":
    main()


### FIXED CODE ###

# -*- coding: utf-8 -*-
import sys


def main():
    N = int( sys.stdin.readline() )
    A_list = list(map(int, sys.stdin.readline().split()))
    
    cum_sum = 0
    A_cum_sum = []

    for i in range(len(A_list)):
        cum_sum += A_list[i]
        A_cum_sum.append(cum_sum)


    mod = 10**9 + 7
    S = 0

    for i in range(len(A_list)):
        S += A_list[i] * ( A_cum_sum[-1] - A_cum_sum[i] )
        S %= mod
    
    print(S)


if __name__ == "__main__":
    main()
### BUGGY CODE ###

N=int(input())
S=input()
b=0
for i in range(1000):
 a=0
 i1=int(i/100)
 i2=int((i-i1*100)/10)
 i3=i%10
 for j in range(N-2):
  if int(S[j])==i1:
   for k in range(j+1,N-1):
    if int(S[k])==i2:
     for l in range(k+1,N):
      if int(S[l])==i3:
       a+=1
 if a>0:
  b+=1
print(b)


### FIXED CODE ###

N=int(input())
S=input()
A=[0]*N
for i in range(N):
 A[i]=int(S[i])
b=0
for i in range(1000):
 i1=int(i/100)
 i2=int((i-i1*100)/10)
 i3=i%10
 a=0
 for j in range(N):
  if a==0:
   if A[j]==i1:
    a+=1
  elif a==1:
   if A[j]==i2:
    a+=1
  else:
   if A[j]==i3:
    b+=1
    break
print(b)
### BUGGY CODE ###

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

print(ll.count(m))


### FIXED CODE ###

n, m = map(int, input().split())
ll = [0 for i in range(n+1)]
l_max = 0
r_min = 1000000
for _ in range(m):
    l, r = map(int, input().split())
    if l > l_max :
        l_max = l
    if r < r_min:
        r_min = r
if l_max <= r_min:
    print(r_min - l_max + 1)
else:
    print(0)
### BUGGY CODE ###

n,m = map(int, input().split())
l = m//n
for i in range(l,0,-1):
  if m % i == 0 and m // i >= n:
    print(i) 
    break

### FIXED CODE ###

n,m = map(int, input().split())
l = m // n
ans = 0
for i in range(int(m**0.5),0,-1):
  if m % i == 0 and m // i >= n:
    if i > ans: ans = i
    d = m // i
    if  m // d >= n and d > ans: ans = d
print(ans)
### BUGGY CODE ###

#!/usr/bin/env python
# coding: utf-8

# In[2]:


N, M = map(int, input().split())
As = [int(input()) for i in range(M)]
"""
100 5
1
23
45
67
89
"""


# In[6]:


stairs = [0]*(N+1)
stairs[0] = 1
for i in range(N):
    #if i == N-1:
    #    break
    if i <= N-1:
        if i+1 not in As:
            stairs[i+1] += stairs[i]
    if i <= N-2:
        if i+2 not in As:
            stairs[i+2] += stairs[i]
    
print(stairs[N]%1000000007)


# In[ ]:






### FIXED CODE ###

#!/usr/bin/env python
# coding: utf-8

# In[31]:


N, M = map(int, input().split())
As = [int(input()) for i in range(M)]
"""
100 5
1
23
45
67
89
"""


# In[32]:


import numpy as np
import sys


# In[33]:


As = np.array(As)
oAs = As[1:]-As[:-1]
if 1 in oAs:
    print(0)
    sys.exit()


# In[34]:


stairs = [0]*(N+3)
stairs[0] = 1
#stairs[1] = 1

start_stage = 0
for i in range(M):
    collapsed_stage = As[i]
    finish_stage = collapsed_stage - 1
    #print(start_stage, finish_stage)
    continuous_stairs = finish_stage - start_stage
    if continuous_stairs < 2:
        stairs[finish_stage+2] = stairs[start_stage]
        start_stage = finish_stage+2
    else:
        stairs[start_stage+1] = stairs[start_stage]
        for i in range(continuous_stairs-1):
            stairs[start_stage+i+2] = stairs[start_stage+i] + stairs[start_stage+i+1]
        stairs[finish_stage+2] = stairs[finish_stage]
        start_stage = finish_stage+2

if N-start_stage < 2:
    stairs[N] = stairs[start_stage]
else:
    continuous_stairs = N - start_stage
    stairs[start_stage+1] = stairs[start_stage]
    for i in range(continuous_stairs-1):
        stairs[start_stage+i+2] = stairs[start_stage+i] + stairs[start_stage+i+1]
        #print(stairs)
        
#print(list(range(N+1)))
#print(stairs)
print(stairs[N]%1000000007)


# In[ ]:
### BUGGY CODE ###

N,K=map(int,input().split())
h=list(map(int,input().split()))
DP=[0]
for i in range(N-1):
    act=float("inf")
    for k in range(K):
        if i-k<0:
            continue
        act=min(DP[-1-k]+abs(h[i-k]-h[i+1]),act)
    DP+=[act]
print(DP[-1])

### FIXED CODE ###

import numpy as np
n,k=list(map(int,input().split()))
h=np.array(list(map(int,input().split())))
npmin=np.min
npabs=np.abs
k=min(k,n-1)
dp=np.zeros(n+1)
for i in range(2,k+1):
    dp[i]=npmin(dp[1:i]+npabs(h[i-1]-h[0:i-1]))
for i in range(k+1,n+1):
    dp[i]=npmin(dp[i-k:i]+npabs(h[i-1]-h[i-1-k:i-1]))
print(int(dp[n]))
### BUGGY CODE ###

N = int(input())
A = list(map(int, input().split()))
for i in range(N):
  for j in range(i+1, N):
    if(A[i]==A[j]):
      print("NO")
      exit()
print("YES")

### FIXED CODE ###

N = int(input())
A = list(map(int, input().split()))
if len(A) == len(set(A)):
  print("YES")
else:
  print("NO")
### BUGGY CODE ###

import math
n = int(input())

for i in range(1, n + 1):
    ans = 0
    lim = int(math.sqrt(i))
    for x in range(1, lim):
        for y in range(x, lim):
            for z in range(y, lim):
                zzz = (x + y + z) ** 2 - x * y - y * z - x * z
                if zzz == i and i == 6:
                    ans += 1
                elif zzz == i:
                    ans += 3
    if 1 <= i <= 20:
        print(ans)


### FIXED CODE ###

n = int(input())
ans = [0] * 10050

for x in range(1, 105):
    for y in range(1, 105):
        for z in range(1, 105):
            zzz = (x + y + z) ** 2 - x * y - y * z - x * z
            if zzz < 10050:
                ans[zzz] += 1

for i in range(n):
    print(ans[i+1])
### BUGGY CODE ###

n = int(input())
numbers = list(map(int, input().split()))
numbers.sort()

n = numbers[-1]
if n % 2 == 0:
    rl = n // 2
    rr = n // 2
else:
    rl = n // 2
    rr = n // 2 + 1

while not rr in numbers and not rl in numbers:
    rl -= 1
    rr += 1
if rl in numbers:
    ans = [n, rl]
else:
    ans = [n, rr]

print(*ans)


### FIXED CODE ###

n = int(input())
numbers = list(map(int, input().split()))
numbers.sort()

ai = numbers[-1]
r = ai / 2

for i in range(n - 1):
    if numbers[i] == r:
        ans = [ai, int(r)]
        break
    if numbers[i] > r:
        if numbers[i] - r < r - numbers[i - 1]:
            ans = [ai, numbers[i]]
        break
    ans = [ai, numbers[i]]

print(*ans)
### BUGGY CODE ###

# 2020/07/26
# diverta 2019 Programming Contest - B

# Input
r, g, b, n = map(int,input().split())

ans = 0

# Calc
for ir in range(n+1):
    vr = r * ir 
    if vr > n:
        break

    for ig in range(n+1):
        vg = g * ig 
        if vg > n:
            break
        cb = n - r * ir - vg
        if cb >= 0 and cb % b == 0:
            ans = ans + 1

# Output
print(ans)


### FIXED CODE ###

# 2019/05/12
# diverta 2019 Programming Contest - B

# Input
r, g, b, n = map(int, input().split())

# Init
cnt = 0

# Calc
for i in range(n+1):
    rcnt = r * i
    if rcnt > n:
        break
    
    for j in range(n+1):
        rgcnt = rcnt + g * j
        if rgcnt > n:
            break
        bcnt = n - rgcnt
        if bcnt % b == 0:
            cnt += 1
# Output
print(cnt)
### BUGGY CODE ###

rflag = 0
s = input()
q = int(input())

for i in range(q):
    x = input().split()
    
    if (x[0] == '1'):
        s = s[::-1]
    else:
        s = x[2]+s if (x[1] == '1') else s + x[2]
        '''
        if(x[1] == '1'):
            s = x[2] + s
        else:
            s += x[2]
        '''
print(s)

### FIXED CODE ###

from collections import deque

revFlag = False

s = deque(input())
q = int(input())

for i in range(q):
    a,b,c, *_ = input().split() + [None, None]
    
    if(a == '1'):
        revFlag = not revFlag
        
    else:
        b = int(b)
        if(revFlag):
            b = (int(b)%2)+1
        
        if(b == 1):
            s.appendleft(c)
        else:
            s.append(c)
            
    #print(_,*s, sep="")

if(revFlag):
    s.reverse()
    
print(*s, sep='')
### BUGGY CODE ###

from time import time
from fractions import gcd
start=time()
M=10**9+7
lcm=lambda x,y:x//gcd(x,y)*y
n,*a=map(int,open(0).read().split())
if n==1:
    print(1)
    exit()
s=a[0]
for t in a[1:]:
    s=lcm(s,t)
    if time()-start>.6:
        s=lcm(s,max(a))
        break
c=0
for i in a:
    c+=s//i
    c%=M
print(c)

### FIXED CODE ###

from fractions import*
from functools import*
M=10**9+7
_,a=open(0)
*a,=map(int,a.split())
s=reduce(lambda x,y:x//gcd(x,y)*y,a)%M
c=0
for i in a:
    c+=s*pow(i,M-2,M)
    c%=M
print(c)
### BUGGY CODE ###

import sys
input = sys.stdin.buffer.readline
sys.setrecursionlimit(10 ** 7)

N, M, P = map(int, input().split())
edge = [[] for _ in range(N + 1)]
ein = [[] for _ in range(N + 1)]
for _ in range(M):
    a, b, c = map(int, input().split())
    edge[a].append((b, P - c))
    ein[b].append(a)

# 到達できる地点を決める
reach1 = [False] * (N + 1)
reach1[1] = True
node = [1]
while node:
    s = node.pop()
    for t, _ in edge[s]:
        if not reach1[t]:
            reach1[t] = True
            node.append(t)

reach2 = [False] * (N + 1)
reach2[N] = True
node = [N]
while node:
    s = node.pop()
    for t in ein[s]:
        if not reach2[t]:
            reach2[t] = True
            node.append(t)

can_go = []
Vertices = []
for i, (x, y) in enumerate(zip(reach1, reach2)):
    can_go.append(x & y)
    if x & y:
        Vertices.append(i)


inf = 10**18
cost = [inf] * (N + 1)
cost[1] = 0
for _ in range(M + 5):
    update = False
    for s in Vertices:
        now = cost[s]
        for t, c in edge[s]:
            if not can_go[t]:
                continue
            if cost[t] > now + c:
                cost[t] = now + c
                update = True


if update:
    print(-1)
else:
    print(max(0, -cost[N]))

### FIXED CODE ###

import sys
input = sys.stdin.buffer.readline
sys.setrecursionlimit(10 ** 7)

N, M, P = map(int, input().split())
edge = [[] for _ in range(N + 1)]
ein = [[] for _ in range(N + 1)]
for _ in range(M):
    a, b, c = map(int, input().split())
    edge[a].append((b, P - c))
    ein[b].append(a)

# 到達できる地点を決める
reach1 = [False] * (N + 1)
reach1[1] = True
node = [1]
while node:
    s = node.pop()
    for t, _ in edge[s]:
        if not reach1[t]:
            reach1[t] = True
            node.append(t)

reach2 = [False] * (N + 1)
reach2[N] = True
node = [N]
while node:
    s = node.pop()
    for t in ein[s]:
        if not reach2[t]:
            reach2[t] = True
            node.append(t)

can_go = []
Vertices = []
for i, (x, y) in enumerate(zip(reach1, reach2)):
    can_go.append(x & y)
    if x & y:
        Vertices.append(i)


inf = 10**18
cost = [inf] * (N + 1)
cost[1] = 0
for _ in range(M + 5):
    update = False
    for s in Vertices:
        now = cost[s]
        for t, c in edge[s]:
            if not can_go[t]:
                continue
            if cost[t] > now + c:
                cost[t] = now + c
                update = True


if update:
    print(-1)
else:
    print(max(0, -cost[N]))
### BUGGY CODE ###

def main():
    import sys
    from collections import deque
    input=sys.stdin.readline

    h,w,k=map(int,input().split())
    gy,gx,sy,sx=map(int,input().split())

    maze=[]
    for _ in range(h):
        maze.append(tuple(input()))

    #maze=[list(input()) for _ in range(h)]

    sy-=1
    sx-=1
    gy-=1
    gx-=1

    #maze[sy][sx]="S"

    dis=[[-1]*w for _ in range(h)]



    dis[sy][sx]=0



    d = deque([(sx,sy)])
    while len(d)>0:
        (x,y)=d.popleft()
        if x==gx and y==gy:
            print(dis[gy][gx])
            #maze[gy][gx]="G"

            #pri(dis)
            #pri(maze)

            exit()

        for (mx,my) in ((0,1),(1,0),(-1,0),(0,-1)):
            #print(mx,my,d)
            for j in range(1,k+1):
                nx=x+mx*j
                ny=y+my*j
                #print(y,x,">>",ny,nx)
                if 0<=nx<w and 0<=ny<h:
                    if maze[ny][nx]=="." and (dis[ny][nx]==-1 or dis[ny][nx]==dis[y][x]+1):
                        dis[ny][nx]=dis[y][x]+1
                        d.append((nx,ny))
                        #pri(dis)
                    else:
                        break
                else:
                    break

    print(-1)
        
if __name__ == '__main__':
    main()


                










### FIXED CODE ###

def main():
    import sys
    from collections import deque
    input=sys.stdin.readline

    h,w,k=map(int,input().split())
    sy,sx,gy,gx=map(int,input().split())

    #maze=[]
    #for _ in range(h):
    #    maze.append(tuple(input()))

    maze=[tuple(input()) for _ in range(h)]

    sy-=1
    sx-=1
    gy-=1
    gx-=1

    #maze[sy][sx]="S"

    dis=[[-1]*w for _ in range(h)]



    dis[sy][sx]=0



    d = deque([(sx,sy)])
    while len(d)>0:
        (x,y)=d.popleft()
        if x==gx and y==gy:
            print(dis[gy][gx])
            #maze[gy][gx]="G"

            #pri(dis)
            #pri(maze)

            exit()

        for (mx,my) in ((0,1),(1,0),(-1,0),(0,-1)):
            #print(mx,my,d)
            for j in range(1,k+1):
                nx=x+mx*j
                ny=y+my*j
                #print(y,x,">>",ny,nx)
                if 0<=nx<w and 0<=ny<h:
                    if maze[ny][nx]=="." and (dis[ny][nx]==-1 or dis[ny][nx]==dis[y][x]+1):
                        if dis[ny][nx]==-1:
                            d.append((nx,ny))
                        dis[ny][nx]=dis[y][x]+1
                        
                        #pri(dis)
                    else:
                        break
                else:
                    break

    print(-1)
        
if __name__ == '__main__':
    main()
### BUGGY CODE ###

n, k = map(int, input().split())

for i in range(2**n):
    # if k ** (i - 1) - 1 < n <= k ** i - 1:
    if n <= k ** i - 1:
        print(i)
        exit()


### FIXED CODE ###

n, k = map(int, input().split())

for i in range(2**31):
    if n <= k ** i - 1:
        print(i)
        exit()
### BUGGY CODE ###

import collections, heapq
s = tuple(input())
t = tuple(input())
ls = len(s)
idx = collections.defaultdict(list)
dct = collections.defaultdict(list)
ln = -1
for i, v in enumerate(s):
    idx[v].append(i)
for k in idx:
    heapq.heapify(idx[k])
for i in t:
    if idx[i]:
        while True:
            p = heapq.heappop(idx[i])
            heapq.heappush(idx[i], p + ls)
            if p > ln:
                ln = p
                break
    else:
        print(-1)
        exit()
print(ln + 1)


### FIXED CODE ###

import collections, bisect
s = tuple(input())
t = tuple(input())
ls = len(s)
idx = collections.defaultdict(list)
dct = collections.defaultdict(list)
ln = -1
loop = 0
for i, v in enumerate(s):
    idx[v].append(i)
for i in t:
    t_idx = idx[i]
    if t_idx:
        bn = bisect.bisect_left(t_idx, ln + 1)
        if bn >= len(t_idx):
            ln = t_idx[0]
            loop += 1
        else:
            ln = t_idx[bn]
    else:
        print(-1)
        exit()
print(ls * loop + ln + 1)
### BUGGY CODE ###

from itertools import accumulate as acc

H, W, K = map(int, input().split())
S = [list(map(int, list(input()))) for _ in range(H)]

acc_list = [list(acc([0] + s)) for s in S]

def solve(l, x, limit):
    part_num = len(l)-1
    ok, ng = x, W+1
    while abs(ok-ng) > 1:
        mid = (ok+ng)//2
        score = 0
        for i in range(part_num):
            s = 0
            for j in range(l[i], l[i+1]):
                # print(i, j, mid)
                s += acc_list[j][mid] - acc_list[j][x]
            score = max(s, score)
        if score <= limit:
            ok = mid
        else:
            ng = mid
    return ok

min_num = 10**18
for i in range(1<<(H-1)):
    l = []
    for j in range(H-1):
        if (i>>j)&1:
            l.append(j+1)
    h_split_num = len(l)
    l = [0] + l + [H]
    x = solve(l, 0, K)
    w_split_num = 0
    while x < W:
        w_split_num += 1
        x = solve(l, x, K)
    split_num = w_split_num + h_split_num
    min_num = min(split_num, min_num)

print(min_num)


### FIXED CODE ###

from itertools import accumulate as acc

H, W, K = map(int, input().split())
S = [list(map(int, list(input()))) for _ in range(H)]

acc_list = [list(acc([0] + s)) for s in S]

def solve(l, x, limit):
    part_num = len(l)-1
    ok, ng = x, W+1
    while abs(ok-ng) > 1:
        mid = (ok+ng)//2
        score = 0
        for i in range(part_num):
            s = 0
            for j in range(l[i], l[i+1]):
                # print(i, j, mid)
                s += acc_list[j][mid] - acc_list[j][x]
            score = max(s, score)
        if score <= limit:
            ok = mid
        else:
            ng = mid
    return ok

min_num = 10**18
for i in range(1<<(H-1)):
    l = []
    for j in range(H-1):
        if (i>>j)&1:
            l.append(j+1)
    h_split_num = len(l)
    l = [0] + l + [H]
    x = solve(l, 0, K)
    w_split_num = 0
    flag = True
    while x < W:
        w_split_num += 1
        r = solve(l, x, K)
        if x == r:
            flag = False
            break
        x = r
    if flag:
        split_num = w_split_num + h_split_num
        min_num = min(split_num, min_num)

print(min_num)
### BUGGY CODE ###

from collections import deque
def hate(x,y):
    cur_hate = 0
    cur_q = set()
    next_q = set()
    cur_q.add((x,y))
    already = set()
    while True:
        while cur_q:
            x,y = cur_q.pop()
            for i in range(4):
                next_x = x+dx[i]
                next_y = y+dy[i]
                if not (next_x,next_y) in already:
                    if grid[next_y][next_x] == "o":
                        if cur_hate == 0:
                            for x,y in already:
                                grid[y][x] = "o"
                        return cur_hate
                    if grid[next_y][next_x] == "#":
                        next_q.add((next_x,next_y))
                    else:
                        cur_q.add((next_x,next_y))
                    already.add((x,y))
        cur_hate += 1
        cur_q = next_q
        next_q = set()
n = int(input())
grid = []
grid.append(["o"]*(n+2))
for i in range(n):
    grid.append(["o"]+["#"]*n+["o"])
grid.append(["o"]*(n+2))
dx = [0,1,0,-1]
dy = [1,0,-1,0]
ans = 0
p = list(map(int,input().split()))
for i in range(n**2):
    pos = p[i]
    x = (pos-1)%n+1
    y = (pos-1)//n+1
    h = hate(x,y)
    ans += h
    if h == 0:
        grid[y][x] = "o"
    else:
        grid[y][x] = "."
print(ans)


### FIXED CODE ###

import sys
import numpy as np
from numba import njit

read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines

@njit('(i4,i4[:])',cache=True)
def main(n,p):
    ans = 0
    w = n+2
    grid = np.ones((w,w),np.int32)
    dis = np.zeros((w,w),np.int32)
    for i in range(1,n+1):
        for j in range(1,n+1):
            dis[i][j] = min(i,n-i+1,j,n-j+1)-1
    grid = grid.ravel()
    dis = dis.ravel()
    stack = np.empty_like(grid)
    for pos in p:
        pos -= 1
        x = pos % n + 1
        y = pos // n + 1
        v = y*w+x
        ans += dis[v]
        grid[v] = 0
        k = min(dis[v-1],dis[v+1],dis[v+w],dis[v-w])
        cur = 0
        stack[0] = v
        while cur >= 0:
            v = stack[cur]
            cur -= 1
            for dx in (-1,1,w,-w):
                next_v = v + dx
                k = dis[v]+grid[v]
                if dis[next_v] > k:
                    dis[next_v] = k
                    cur += 1
                    stack[cur] = next_v
    return ans

n = int(readline())
p = np.array(readline().split(),np.int32)
print(main(n,p))
### BUGGY CODE ###

a, b, x = map(int, input().split())
ans = 0
for i in range(a, b + 1):
  if i % x == 0:
    ans += 1

print(ans)

### FIXED CODE ###

a, b, x = map(int, input().split())

total = b // x

if a == 0:
  print(total + 1)
elif a >= x:
  ex = (a-1) // x
  print(total - ex)
else:
  print(total)