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


n, x, d = map(int, input().split())

a = [0] * n
for i in range(n - 1):
    a[i + 1] = a[i] + 1

ruiseki1 = [0] * (n + 1)
ruiseki2 = [0] * (n + 1)

for i in range(n):
    ruiseki1[i + 1] += ruiseki1[i] + a[i] 
for i in range(n):
    ruiseki2[i + 1] += ruiseki2[i] + a[n - i - 1] 

if d == 0 and x == 0:
    print(tmp)
    exit()
elif d == 0:
    print(tmp)
    exit()
    
memo = {}
for i in range(n + 1):
    s_cnt = i
    geta = i * x
    div = geta // d
    mod = geta % d
    min_ = ruiseki1[i]
    max_ = ruiseki2[i]
    if mod not in memo:
        memo[mod] = []
    memo[mod].append((min_ + div, max_ + div + 1))

ans = 0
for i in memo:
    memo[i] = sorted(memo[i], key = itemgetter(1))
    right = -10**18
    for j in memo[i]:
        l, r = j
        ans += min(r - l, r - right)
        right = r
print(ans)

Fixed submission:
from operator import itemgetter


n, x, d = map(int, input().split())

a = [0] * n
for i in range(n - 1):
    a[i + 1] = a[i] + 1

ruiseki1 = [0] * (n + 1)
ruiseki2 = [0] * (n + 1)

for i in range(n):
    ruiseki1[i + 1] += ruiseki1[i] + a[i] 
for i in range(n):
    ruiseki2[i + 1] += ruiseki2[i] + a[n - i - 1] 

if d == 0 and x == 0:
    print(1)
    exit()
elif d == 0:
    print(n + 1)
    exit()
    
memo = {}

for i in range(n + 1):
    s_cnt = i
    geta = i * x
    div = geta // d
    mod = geta % d
    min_ = ruiseki1[i]
    max_ = ruiseki2[i]
    if mod not in memo:
        memo[mod] = []
    memo[mod].append((min_ + div, max_ + div + 1))

ans = 0
for i in memo:
    memo[i] = sorted(memo[i])
    r_max = -10**18
    for j in memo[i]:
        l, r = j
        if r - r_max < 0:
            continue
        ans += min(r - l, r - r_max)
        r_max = r
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
def lcs(str1, str2):
    '''文字列str1, str2の最長共通部分列(Lowest Common Subsequence, LCS)を求める
    計算量O(len(str1)*len(str2))  
    '''
    dp = [[0]*(len(str2) + 1) for _ in range(len(str1) + 1)]
    for i in range(len(str1)):
        for j in range(len(str2)):
            if str1[i] == str2[j]:
                dp[i+1][j+1] = dp[i][j] + 1
            else:
                dp[i+1][j+1] = max(dp[i][j+1], dp[i+1][j])
    return dp[len(str1)][len(str2)]

n = int(input())
s = input()
ans = 0
for i in range(1000):
    t = ("000"+str(i))[::-1][0:3][::-1]
    num = lcs(t, s)
    if num == 3:
        ans += 1
print(ans)


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

next_ = [[-1]*(n+1) for i in range(10)]
for num in range(10):
    pos = -1
    for i in range(n)[::-1]:
        next_[num][i] = pos
        if num == int(s[i]):
            pos = i

start = [-1] * 10
for num in range(10):
    for i in range(n)[::-1]:
        if num == int(s[i]):
            start[num] = i
ans = 0
for i in range(1000):
    t = ("000"+str(i))[::-1][0:3][::-1]
    pos = start[int(t[0])]
    for i in t[1:]:
        pos = next_[int(i)][pos]
    if pos != -1:
        ans += 1
print(ans)
Buggy python submission (verdict: Runtime Error):
n, k = map(int, input().split())
a = list(map(int, input().split()))

ruiseki = [0] * (n+1)
for i in range(n):
    ruiseki[i+1] = ruiseki[i] + a[i]

for i in range(n+1):
    ruiseki[i] -= i
    ruiseki[i] %= k
memo = {}
for i in range(min(k, n)):
    if ruiseki[i] not in memo:
        memo[ruiseki[i]] = 1
    else:
        memo[ruiseki[i]] += 1

ans = 0
for i in range(n+1):
    tmp = memo[ruiseki[i]]
    ans += tmp - 1
    memo[ruiseki[i]] -= 1
    if i+k < n+1:
        if ruiseki[i+k] not in memo:
            memo[ruiseki[i+k]] = 1
        else:
            memo[ruiseki[i+k]] += 1
print(ans)

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

ruiseki = [0] * (n+1)
for i in range(n):
    ruiseki[i+1] = ruiseki[i] + a[i]

for i in range(n + 1):
    ruiseki[i] -= i
    ruiseki [i] %= k

memo = {}
cnt = 0
ans = 0
for i in range(n+1):
    if ruiseki[i] in memo:
        ans += memo[ruiseki[i]]

    if ruiseki[i] in memo:
        memo[ruiseki[i]] += 1
    else:
        memo[ruiseki[i]] = 1

    if cnt < k - 1:
        cnt += 1
    else:
        memo[ruiseki[i-cnt]] -= 1 

print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
import itertools
import sys


def query(li):
    for i in range(n):
        li[i] += 1
    sys.stdout.flush()
    return input()

n = int(input())
a = [0] * (2*n)
tmp = [j for j in range(n)]
ans = query(tmp)
if ans == "Blue":
    b = 0
    r = n
else:
    b = n
    r = 0
while abs(b - r) > 1:
    mid = (b+r) // 2
    tmp = [j + mid for j in range(n)]
    if query(tmp) == "Blue":
        b = mid
    else:
        r = mid
ans = [None]*(2*n)
if b < r:
    ans[b] = "B"
    ans[b+n] = "R"
else :    
    ans[r] = "R"
    ans[r+n] = "B"

min_rb = min(r, b)
tmp = [j + min_rb + 1 for j in range(n-1)]
tmp2 = [(j + min_rb + n + 1) % (2*n) for j in range(n-1)]

for i in range(2*n):
    if ans[i] is None:
        if i in tmp:
            c = query(tmp2+[i])
        else:
            c = query(tmp+[i])
    if c == "Blue":
        ans[i] = "B"
    else:
        ans[i] = "R"
print("! ", "".join(ans))

Fixed submission:
import sys


def query(li):
    # tmp_b = 0
    # tmp_r = 0
    # for i in li:
    #     if s[i] == "B":
    #         tmp_b += 1
    #     else:
    #         tmp_r += 1

    for i in range(len(li)):
        li[i] += 1
    print("?", *li)

    # if tmp_b > tmp_r:
    #     return "Blue"
    # else:
    #     return "Red"

    sys.stdout.flush()
    res = input()
    return res

n = int(input())
# s = input()

tmp = [j for j in range(n)]
ans = query(tmp)
if ans == "Blue":
    b = 0
    r = n
else:
    b = n
    r = 0

while abs(b - r) > 1:
    mid = (b + r) // 2
    tmp = [j + mid for j in range(n)]
    if query(tmp) == "Blue":
        b = mid
    else:
        r = mid
ans = [None]*(2*n)

if b < r:
    ans[b] = "B"
    ans[(b+n) % (2*n)] = "R"
else:
    ans[r] = "R"
    ans[(r+n) % (2*n)] = "B"

min_rb = min(r, b)
tmp = [j + min_rb + 1 for j in range(n-1)]
tmp2 = [(j + min_rb + n + 1) % (2*n) for j in range(n-1)]

for i in range(2*n):
    if ans[i] is None:
        if i in tmp:
            c = query(tmp2+[i])
        else:
            c = query(tmp+[i])
    else:
        continue
    if c == "Blue":
        ans[i] = "B"
    else:
        ans[i] = "R"
print("!", "".join(ans))
Buggy python submission (verdict: Runtime Error):
n = int(input())
d = list(map(int, input().split()))
MOD = 998244353

a = [0] * n
for i in range(n):
    a[d[i]] += 1

ans = 1
for i in range(n):
    if i == 0:
        if a[i] != 1:
            ans *= 0
    else:
        if a[i] > 0:
            if a[i-1] == 0:
                ans *= 0
                print(aa)
            else:
                ans *= pow(a[i-1], a[i], MOD)
                ans %= MOD
print(ans % MOD)

Fixed submission:
n = int(input())
d = list(map(int, input().split()))
MOD = 998244353
if d[0] != 0:
    print(0)
    exit()
    
a = [0] * n
for i in range(n):
    a[d[i]] += 1

ans = 1
for i in range(n):
    if i == 0:
        if a[i] != 1:
            ans *= 0
    else:
                for _ in range(a[i]):
                    ans *= a[i-1]
                    ans %= MOD
print(ans % MOD)
Buggy python submission (verdict: Runtime Error):
from collections import deque
from operator import itemgetter


n = int(input())
a = list(map(int, input().split()))
b = list(map(int, input().split()))

info = [(a[i], b[i]) for i in range(n)]
info = sorted(info, key = itemgetter(1))
for i in range(n):
    a[i], b[i] = info[i]

s = sorted(a)
t = sorted(b)
for i in range(n):
    if s[i] > t[i]:
        print("No")
        exit()

sorted_a = sorted(zip(a, range(len(a))))
graph = [[] for i in range(n)]
for i in range(n):
    u = i
    v = sorted_a[i][1]
    if u != v:
        graph[u].append(v)

used = [False]*n
pos = 0
used[pos] = True
q = deque([pos])
while q:
    pos = q.pop()
    for next_pos in graph[pos]:
        if used[next_pos]:
            continue
        q.append(next_pos)
        used[next_pos] = True

for i in range(n):
    if not used[i]:
        print("Yes")
        exit()

for i in range(n):
    if s[i+1] <= t[i]:
        print("Yes")
        exit()

print("No")

Fixed submission:
from collections import deque
from operator import itemgetter


n = int(input())
a = list(map(int, input().split()))
b = list(map(int, input().split()))

info = [(a[i], b[i]) for i in range(n)]
info = sorted(info, key = itemgetter(1))
for i in range(n):
    a[i], b[i] = info[i]

s = sorted(a)
t = sorted(b)
for i in range(n):
    if s[i] > t[i]:
        print("No")
        exit()

sorted_a = sorted(zip(a, range(len(a))))
graph = [[] for i in range(n)]
for i in range(n):
    u = i
    v = sorted_a[i][1]
    if u != v:
        graph[u].append(v)

used = [False]*n
pos = 0
used[pos] = True
q = deque([pos])
while q:
    pos = q.pop()
    for next_pos in graph[pos]:
        if used[next_pos]:
            continue
        q.append(next_pos)
        used[next_pos] = True

for i in range(n):
    if not used[i]:
        print("Yes")
        exit()

for i in range(n-1):
    if s[i+1] <= t[i]:
        print("Yes")
        exit()

print("No")
Buggy python submission (verdict: Time Limit Exceeded):
def change(s):
    ans = []
    for i in s:
        if i== "0":
            ans.append("1")
        else:
            ans.append("0")
    return "".join(ans)

n = int(input())
s = input()
MOD = 998244353

a = [0] * (n+1)
for i in range(1, n + 1):
    if n % i == 0:
        a[i] += int(s[0:i], 2)
        for j in range(n // i):
            if j % 2 == 0:
                if int(s[0:i]) < int(s[j*i:(j+1)*i]):
                    a[i] += 1
                    break
                if int(s[0:i]) > int(s[j*i:(j+1)*i]):
                    break
            else:
                if int(change(s[0:i])) < int(s[j*i:(j+1)*i]):
                    a[i] += 1
                    break      
                if int(change(s[0:i])) > int(s[j*i:(j+1)*i]):
                    break 
        else:
            a[i] += 1
            
for i in range(1, n + 1):
    for j in range(2*i, n + 1, i):
        if n % j == 0:
            a[j] -= a[i]

# b: 有効周期
b = []
ans = 0
for i in range(1, n+1):
    if n % i == 0:
        if (n // i) % 2 == 1: 
                b.append(i)

for i in range(1, n+1):
    if n % i == 0:
        for tmp in b:
            if tmp % i == 0:
                ans += a[i] * 2*tmp
                ans %= MOD
                break
          
print(ans % MOD)



Fixed submission:
def change(s):
    ans = []
    for i in s:
        if i== "0":
            ans.append("1")
        else:
            ans.append("0")
    return "".join(ans)

n = int(input())
s = input()
MOD = 998244353

# 重複込みで数える
a = [0] * (n+1)
for i in range(1, n + 1):
    if n % i == 0:
        a[i] += int(s[0:i], 2)
        a[i] %= MOD
        si = int(s[0:i])
        change_si = int(change(s[0:i]))
        for j in range(n // i):
            if j % 2 == 0:
                if si < int(s[j*i:(j+1)*i]):
                    a[i] += 1
                    break
                if si > int(s[j*i:(j+1)*i]):
                    break
            else:
                if change_si < int(s[j*i:(j+1)*i]):
                    a[i] += 1
                    break      
                if change_si > int(s[j*i:(j+1)*i]):
                    break 
        else:
            a[i] += 1

# 約数包除で重複を除く
for i in range(1, n + 1):
    for j in range(2*i, n + 1, i):
        if n % j == 0:
            a[j] -= a[i]

# b:有効周期
b = []
ans = 0
for i in range(1, n+1):
    if n % i == 0:
        if (n // i) % 2 == 1: 
                b.append(i)

#周期の重みを足し合わせる
for i in range(1, n+1):
    if n % i == 0:
        for tmp in b:
            if tmp % i == 0:
                ans += a[i] * 2*tmp
                ans %= MOD
                break
          
print(ans % MOD)
Buggy python submission (verdict: Runtime Error):
n, k = map(int, input().split())
s = input()
cnt = 1
li = []
li2 = []
ind_R = []
ind_L = []
for i in range(n-1):
    if s[i] == s[i+1] and s[i] == "R":
        cnt += 1
    elif s[i] == s[i+1] and s[i] == "L":
        cnt += 1
    else:
        li.append((s[i], cnt))
        cnt = 1
li.append((s[i], cnt))
cut = len(li) - 1

print(min(n-1, n - cut - 1 + 2 * k))

Fixed submission:
n, k = map(int, input().split())
s = input()
cnt = 1
li = []
for i in range(n-1):
    if s[i] == s[i+1] and s[i] == "R":
        cnt += 1
    elif s[i] == s[i+1] and s[i] == "L":
        cnt += 1
    else:
        li.append((s[i], cnt))
        cnt = 1
if n > 1:
   li.append((s[i], cnt))
cut = len(li) - 1

print(min(n-1, n - cut - 1 + 2 * k))
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
s = input()
MOD = 10**9 + 7
li = []
for i in range(2*n):
    if i % 2 == 0 and s[i] == "B":
        li.append("W")
    elif i % 2 == 0 and s[i] == "W":
        li.append("B")
    elif i % 2 == 1 and s[i] == "B":
        li.append("B")
    elif i % 2 == 1 and s[i] == "W":
        li.append("W")
        
cnt = 0
ans = 1
for string in li:
    if string == "W":
        cnt += 1
    else:
        if cnt <= 0:
            print(0)
            exit()
        ans *= cnt
        cnt -= 1

if cnt != 0:
    print(0)
    exit()

for i in range(1, n+1):
    ans *= i
    ans %= MOD

print(ans)

Fixed submission:
n = int(input())
s = input()
MOD = 10**9 + 7
li = []
for i in range(2*n):
    if i % 2 == 0 and s[i] == "B":
        li.append("W")
    elif i % 2 == 0 and s[i] == "W":
        li.append("B")
    elif i % 2 == 1 and s[i] == "B":
        li.append("B")
    elif i % 2 == 1 and s[i] == "W":
        li.append("W")
        
cnt = 0
ans = 1
for string in li:
    if string == "W":
        cnt += 1
    else:
        if cnt <= 0:
            print(0)
            exit()
        ans *= cnt
        cnt -= 1
    ans %= MOD

if cnt != 0:
    print(0)
    exit()

for i in range(1, n+1):
    ans *= i
    ans %= MOD

print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
s = int(input())

x0, y0 = 0, 0

ans = int(s**0.5) + 1
x1 = min(ans, 10**9)
y2 = min(ans, 10**9)

while True:
    tmp = x1*y2 - s
    cnt = 1
    while True:
        if tmp % 2 == 0:
            cnt *= 2
            tmp = tmp // 2
        else:
            a = cnt
            b = tmp
            if a <= 10**9 and b <= 10**9: 
                x2 = a
                y1 = b
                print(x0,y0,x1,y1,x2,y2)
                exit()
            else:
                x1 -= 1
                break

 

Fixed submission:
s = int(input())

x0, y0 = 0, 0

ans = int(s**0.5) + 1
x1 = min(ans, 10**9)
y2 = min(ans, 10**9)


while True:
    tmp = x1*y2 - s
    cnt = 1
    while True:
        if tmp != 0 and tmp % 2 == 0:
            cnt *= 2
            tmp = tmp // 2
        else:
            a = cnt
            b = tmp
            if a <= 10**9 and b <= 10**9: 
                x2 = a
                y1 = b
                print(x0,y0,x1,y1,x2,y2)
                exit()
            else:
                x1 -= 1
                break
Buggy python submission (verdict: Time Limit Exceeded):
def solve(array):
    ans = []
    memo1 = {}
    for i in range(len(array)):
        if array[i] not in memo1:
            memo1[array[i]] = 1
        else:
            memo1[array[i]] += 1
    i = 0
    while i < len(array):
        if memo1[array[i]] == 1:
            ans.append(array[i])
            i += 1
        else:
            tmp = array[i]
            memo1[array[i]] -= 1
            i += 1
            while True:
                memo1[array[i]] -= 1
                if tmp == array[i]:
                    i += 1
                    break
                else:
                    i += 1
    return ans   

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

start = {}
for i in range(len(a))[::-1]:
    start[a[i]] = i

li = []
tmp = []
while True:
    memo = {}
    if not tmp:
        start_num = 0
    else:
        start_num = start[tmp[-1]] + 1
    tmp = solve(a[start_num:n])
    #print(tmp)
    li.append(tmp)
    if not tmp:
        break

t = 1
for i in range(len(li)):
    t += len(li[i])
#print(li)
#print(t)
ans = k % t
if ans == 0:
    print()
else:
    for i in range(len(li)):
        if ans <= len(li[i]):
            print(" ".join(map(str, li[i][ans-1:])))
            break
        ans -= len(li[i])

Fixed submission:
from collections import deque


def solve(i):
    if i in memo:
        return memo[i]
    q = deque([i])
    while True:
        nxt_i = next_ind[i]
        if nxt_i >= n:
            break
        q.append(nxt_i)
        i = nxt_i
    while q:
        memo[q.pop()] = nxt_i % n
    return memo[i]



n, k = map(int, input().split())
a = list(map(int, input().split())) + [-1, -1]
k_time = k
n += 2
aa = a + a
next_ind = [-1] * (2 * n)
tmp_memo = {}
for i in range(2 * n)[::-1]:
    if aa[i] not in tmp_memo:
        tmp_memo[aa[i]] = i + 1
    else:
        next_ind[i] = tmp_memo[aa[i]]
        tmp_memo[aa[i]] = i + 1

log_size = k.bit_length() + 2
double = [[-1] * n for i in range(log_size)]

# ダブリングで2^0回(= 1回)たどって到達する値を求める
memo = {}
for i in range(n):
    double[0][i] = solve(i)

# ダブリングで2^k回たどって到達する値を求める
for k in range(1, log_size):
    for i in range(n):
        double[k][i] = double[k - 1][double[k - 1][i]]

pos = 0
k_time -= 1
for k in range(log_size):
    if (k_time >> k) & 1:
        pos = double[k][pos]
q = deque([])
set_ = set()
for i in range(pos, n):
    if a[i] not in set_:
        set_.add(a[i])
        q.append(a[i])
    else:
        while True:
            tmp = q.pop()
            set_.remove(tmp)
            if tmp == a[i]:
                break
print(*q)
Buggy python submission (verdict: Time Limit Exceeded):
n, k = map(int, input().split())
uni = [[] for i in range(n)]
ans = []

for i in range(1,n):
    ans.append([1, i+1])

max_k = 0
for i in range(n-2):
    max_k += i + 1
if k > max_k:
    print(-1)
else:
    cnt = max_k - k
    while True:
        for i in range(1,n):
            for j in range(i+1, n):
                if cnt == 0:
                    print(len(ans))
                    for num in ans:
                        print(" ".join(map(str, num)))
                    exit()
                ans.append([i+1, j+1])
                cnt -= 1

Fixed submission:
n, k = map(int, input().split())
uni = [[] for i in range(n)]
ans = []

if n == 2 and k == 0:
    print(1)
    print(1, 2)
    exit()

for i in range(1,n):
    ans.append([1, i+1])

max_k = 0
for i in range(n-2):
    max_k += i + 1
if k > max_k:
    print(-1)
else:
    cnt = max_k - k
    while True:
        for i in range(1,n):
            for j in range(i+1, n):
                if cnt == 0:
                    print(len(ans))
                    for num in ans:
                        print(" ".join(map(str, num)))
                    exit()
                ans.append([i+1, j+1])
                cnt -= 1
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
ga, sa, ba = list(map(int, input().split()))
gb, sb, bb = list(map(int, input().split()))

w_ab = []
v_ab = []

if ga < gb:
    w_ab.append(ga)
    v_ab.append(gb)
if sa < sb:
    w_ab.append(sa)
    v_ab.append(sb)
if ba < bb:
    w_ab.append(ba)
    v_ab.append(bb)

dp = [[0]*(n+1) for i in range(len(w_ab)+1)]
for i in range(len(w_ab)):
    for j in range(n+1):
        if j < w_ab[i]:
            dp[i+1][j] = dp[i][j]
        else:
            dp[i+1][j] = max(dp[i][j], dp[i+1][j - w_ab[i]] + v_ab[i])
ans = 0
for i in range(n+1):
    ans = max(ans, dp[len(w_ab)][i] + n-i)
n = ans

w_ab = []
v_ab = []

if ga > gb:
    w_ab.append(gb)
    v_ab.append(ga)
if sa > sb:
    w_ab.append(sb)
    v_ab.append(sa)
if ba > bb:
    w_ab.append(bb)
    v_ab.append(ba)

dp = [[0]*(n+1) for i in range(len(w_ab)+1)]
for i in range(len(w_ab)):
    for j in range(n+1):
        if j < w_ab[i]:
            dp[i+1][j] = dp[i][j]
        else:
            dp[i+1][j] = max(dp[i][j], dp[i+1][j - w_ab[i]] + v_ab[i])
ans = 0
for i in range(n+1):
    ans = max(ans, dp[len(w_ab)][i] + n-i)
print(ans)
  

Fixed submission:
n = int(input())
ga, sa, ba = list(map(int, input().split()))
gb, sb, bb = list(map(int, input().split()))

w_ab = []
v_ab = []

if ga < gb:
    w_ab.append(ga)
    v_ab.append(gb)
if sa < sb:
    w_ab.append(sa)
    v_ab.append(sb)
if ba < bb:
    w_ab.append(ba)
    v_ab.append(bb)

num = (n+1)*(len(w_ab)+1)
dp = [0]*num
for i in range(len(w_ab)):
    for j in range(n+1):
        if j < w_ab[i]:
            dp[(i+1)*(n+1) + j] = dp[i*(n+1) + j]
        else:
            dp[(i+1)*(n+1) + j] = max(dp[i*(n+1) + j], dp[(i+1)*(n+1) + j - w_ab[i]] + v_ab[i])
ans = 0
length = len(w_ab)
for j in range(n+1):
    ans = max(ans, dp[length*(n+1) + j] + n-j)
n = ans

w_ab = []
v_ab = []

if ga > gb:
    w_ab.append(gb)
    v_ab.append(ga)
if sa > sb:
    w_ab.append(sb)
    v_ab.append(sa)
if ba > bb:
    w_ab.append(bb)
    v_ab.append(ba)

num = (n+1)*(len(w_ab)+1)
dp = [0]*num
for i in range(len(w_ab)):
    for j in range(n+1):
        if j < w_ab[i]:
            dp[(i+1)*(n+1) + j] = dp[i*(n+1) + j]
        else:
            dp[(i+1)*(n+1) + j] = max(dp[i*(n+1) + j], dp[(i+1)*(n+1) + j - w_ab[i]] + v_ab[i])

length = len(w_ab)
ans = 0
for j in range(n+1):
    ans = max(ans, dp[length*(n+1) + j] + n-j)
print(ans)
Buggy python submission (verdict: Runtime Error):
n, a, b, c, d = map(int, input().split())
a -= 1
b -= 1
c -= 1
d -= 1
s = input()

if c < d:
    # ふぬけ君を動かす
    for i in range(b, d):
        if s[i] == s[i+1] and s[i] == "#":
            print("No")
            exit()
    # すぬけ君を動かす
    for i in range(a, c):
        if s[i] == s[i+1] and s[i] == "#":
            print("No")
            exit()
    print("Yes")
    exit()

if d < c:
    for i in range(b, d-1):
        if s[i] == s[i+1] and s[i+1] == s[i+2] and s[i] == ".":
            break
    else:
        a = []
        print(a[3])
        print("No")
        exit()
    for i in range(b, d):
        if s[i] == s[i+1] and s[i] == "#":
            print("No")
            exit()
    print("Yes")
    exit()

Fixed submission:
n, a, b, c, d = map(int, input().split())
s = input()

def is_possible(start, goal):
    for i in range(start, goal - 1):
        if s[i] == "#" and s[i + 1] == "#":
            return False
    return True
  
def is_possible2(start, goal):
    for i in range(start, goal):
        if s[i - 1] == "." and s[i] == "." and s[i + 1] == ".":
            return True
    return False

if c < d:
    if is_possible(a - 1, c) and is_possible(b - 1, d):
        print("Yes")
    else:
        print("No")
else:
    if is_possible(a - 1, c) and is_possible(b - 1, d) and is_possible2(b - 1, d):
        print("Yes")
    else:
        print("No")

Buggy python submission (verdict: Runtime Error):
n, a, b, c, d = map(int, input().split())
a -= 1
b -= 1
c -= 1
d -= 1
s = input()

if c < d:
    # ふぬけ君を動かす
    for i in range(b, d):
        if s[i] == s[i+1] and s[i] == "#":
            print("No")
            exit()
    # すぬけ君を動かす
    for i in range(a, c):
        if s[i] == s[i+1] and s[i] == "#":
            print("No")
            exit()
    print("Yes")
    exit()

if d < c:
    a = []
    print(a[2])
    for i in range(b, d-1):
        if s[i] == s[i+1] and s[i+1] == s[i+2] and s[i] == ".":
            break
    else:
        print("No")
        exit()
    for i in range(b, d):
        if s[i] == s[i+1] and s[i] == "#":
            print("No")
            exit()
    print("Yes")
    exit()

Fixed submission:
n, a, b, c, d = map(int, input().split())
s = input()

def is_possible(start, goal):
    for i in range(start, goal - 1):
        if s[i] == "#" and s[i + 1] == "#":
            return False
    return True
  
def is_possible2(start, goal):
    for i in range(start, goal):
        if s[i - 1] == "." and s[i] == "." and s[i + 1] == ".":
            return True
    return False

if c < d:
    if is_possible(a - 1, c) and is_possible(b - 1, d):
        print("Yes")
    else:
        print("No")
else:
    if is_possible(a - 1, c) and is_possible(b - 1, d) and is_possible2(b - 1, d):
        print("Yes")
    else:
        print("No")