Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Time Limit Exceeded):
n, m = map(int, input().split())
h = list(map(int, input().split()))
# graph作成
graph = {i: [] for i in range(1, n + 1)}
for _ in range(m):
    u, v = map(int, input().split())
    graph[u].append(v)
    graph[v].append(u)

import queue
ans = []
voi = []
def bfs(v):
    q = queue.Queue()
    depth = 0
    q.put([v,depth])
    voi[v] = True
    while not q.empty():
        if depth > 1:
            break
        sub = q.get()
        now = sub[0]
        depth = sub[1]
        for next in graph[now]:
            if voi[next]:
                continue
            voi[next] = True
            q.put([next, depth + 1])
            if depth+1 < 2:
                ss.append(h[next - 1])

ans = 0
for i in range(1, n + 1):
    voi = [False] * (n + 1)
    ss = []
    bfs(i)
    if len(ss) != 0:
        a = max(ss)
        if h[i - 1] > a:
            ans += 1
    else:
        ans += 1

print(ans)

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

d = [0] * n
for i in range(m):
    d[k[i][0] - 1] = max(d[k[i][0] - 1], h[k[i][1] - 1])
    d[k[i][1] - 1] = max(d[k[i][1] - 1], h[k[i][0] - 1])
    
ans = 0
for i in range(n):
    if h[i] > d[i]:
        ans += 1

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

for i in range(10000):
    for j in range(-10000, i - 1):
        if x == i ** 5 - j ** 5:
            print(i, j)
            exit()

Fixed submission:
x = int(input())

for a in range(1,1001):
    sub = a ** 5
    ss = sub - x
    for b in range(-1000, 1000):
        if b ** 5 == ss:
            print(a, b)
            exit()
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
a = list(map(int,input().split()))

ans = 0
for i in range(n-1):
  for j in range(i+a[i],n):
    if j-i==a[j]+a[i]:
      ans += 1

print(ans)


Fixed submission:
from collections import defaultdict
n = int(input())
a = list(map(int, input().split()))

left = defaultdict(int)
for i in range(n):
    left[i + a[i]] += 1

ans = 0
for i in range(n):
    sub = i - a[i]
    if sub in left:
        ans += left[sub]

print(ans)

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

ans = 0
for i in range(n-1):
  for j in range(i+a[i],n):
    if j-i==a[j]+a[i]:
      ans += 1

print(ans)

Fixed submission:
from collections import defaultdict
n = int(input())
a = list(map(int, input().split()))

left = defaultdict(int)
for i in range(n):
    left[i + a[i]] += 1

ans = 0
for i in range(n):
    sub = i - a[i]
    if sub in left:
        ans += left[sub]

print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
s = [input() for i in range(n)]

ans = []
for i in range(n):
    if not s[i] in ans:
        ans.append(s[i])

print(len(ans))


Fixed submission:
import collections
n = int(input())
s = [input() for i in range(n)]

ans = collections.Counter(s)
print(len(ans))

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
s = [input() for i in range(n)]

ans = []
for i in range(n):
    if not s[i] in ans:
        ans.append(s[i])

print(len(ans))

Fixed submission:
import collections
n = int(input())
s = [input() for i in range(n)]

ans = collections.Counter(s)
print(len(ans))
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
s = list(input())

r = 0
g = 0
b = 0
for i in range(n):
    if s[i] == "R":
        r += 1
    elif s[i] == "G":
        g += 1
    else:
        b += 1

ans = r * g * b
if ans == 0:
    print("0")
else:
    for i in range(n - 2):
        for j in range(i + 1, n - 1):
            sub = j - i
            sub2 = (n - 1) - j
            if sub <= sub2:
                if s[i] != s[j] and s[j] != s[j + sub] and s[i] != s[j + sub]:
                    ans -= 1
    print(ans)

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

r = 0
g = 0
b = 0
for i in range(n):
    if s[i] == "R":
        r += 1
    elif s[i] == "G":
        g += 1
    else:
        b += 1

ans = r * g * b
if ans == 0:
    print("0")
else:
    for i in range(n - 2):
        for j in range(i + 1, n - 1):
            sub = j - i
            sub2 = (n - 1) - j
            if sub <= sub2:
                if s[i] != s[j] and s[j] != s[j + sub] and s[i] != s[j + sub]:
                    ans -= 1
    print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
import queue
n, x, y = map(int, input().split())

graph = {i: [] for i in range(1, n + 1)}
graph[x].append(y)
graph[y].append(x)
for i in range(1, n):
    graph[i].append(i + 1)
    graph[i + 1].append(i)

tf = [[False] * (n + 1) for i in range(n + 1)]
ans = [0] * (n + 1)
def bfs(v):
    q = queue.Queue()
    q.put([v, 0, v])
    voi[v] = True
    while not q.empty():
        sub = q.get()
        now = sub[0]
        depth = sub[1]
        before = sub[2]
        if tf[now][v] == False:
            ans[depth] += 1
            tf[now][v] = True
            tf[v][now] = True
        for next in graph[now]:
            if voi[next]:
                continue
            voi[next] = True
            q.put([next, depth + 1, now])

for i in range(1, n + 1):
    voi = [False] * (n + 1)
    bfs(i)

for i in range(1, n):
    print(ans[i])

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

ans = [0] * (n + 1)
for i in range(1, n):
    for j in range(i + 1, n + 1):
        sub = min(abs(j - i), abs(x - i) + 1 + abs(j - y), abs(y - i) + 1 + abs(j - x))
        ans[sub] += 1

for i in range(1, n):
    print(ans[i])

Buggy python submission (verdict: Time Limit Exceeded):
import queue
n, x, y = map(int, input().split())

graph = {i: [] for i in range(1, n + 1)}
graph[x].append(y)
graph[y].append(x)
for i in range(1, n):
    graph[i].append(i + 1)
    graph[i + 1].append(i)

tf = [[False] * (n + 1) for i in range(n + 1)]
ans = [0] * (n + 1)
def bfs(v):
    q = queue.Queue()
    q.put([v, 0, v])
    voi[v] = True
    while not q.empty():
        sub = q.get()
        now = sub[0]
        depth = sub[1]
        before = sub[2]
        if tf[now][v] == False:
            ans[depth] += 1
            tf[now][v] = True
            tf[v][now] = True
        for next in graph[now]:
            if voi[next]:
                continue
            voi[next] = True
            q.put([next, depth + 1, now])

for i in range(1, n + 1):
    voi = [False] * (n + 1)
    bfs(i)

for i in range(1, n):
    print(ans[i])

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

ans = [0] * (n + 1)
for i in range(1, n):
    for j in range(i + 1, n + 1):
        sub = min(abs(j - i), abs(x - i) + 1 + abs(j - y), abs(y - i) + 1 + abs(j - x))
        ans[sub] += 1

for i in range(1, n):
    print(ans[i])
Buggy python submission (verdict: Runtime Error):
s = list(input())

i = 0
while i < len(s):
    if s[i] != "h" or s[i + 1] != "i":
        print("No")
        exit()
    i += 2

print("Yes")

Fixed submission:
s = list(input())

i = 0
if len(s) % 2 != 0:
    print("No")
    exit()
while i < len(s):
    if s[i] != "h" or s[i + 1] != "i":
        print("No")
        exit()
    i += 2

print("Yes")
Buggy python submission (verdict: Time Limit Exceeded):
n, a, b = map(int, input().split())

al = a
bl = b
cnt = 0
for i in range(n):
    if al != 0:
        cnt += 1
        al -= 1
    elif bl != 0:
        bl -= 1
    
    if al == 0 and bl == 0:
        bl = b
        al = a
    
print(cnt)

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

ans = a * (n // (a + b))
if a < n % (a + b):
    ans += a
else:
    ans += n % (a + b)

print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
h, n = map(int, input().split())
a, b= [0] * n, [0] * n
for i in range(n):
    a[i], b[i] = map(int, input().split())

max_v = 10100
x = float("inf")

dp = [x] * max_v

dp[0] = 0
for i in range(1,max_v):
    for j in range(n):
        dp[i] = min(dp[i], dp[i - a[j]] + b[j])

ans = x
for i in range(max_v):
    if i >= h:
        ans = min(ans, dp[i])

print(ans)

Fixed submission:
h, n = map(int, input().split())
a, b= [0] * n, [0] * n
for i in range(n):
    a[i], b[i] = map(int, input().split())

max_v = 10100
x = float("inf")

dp = [x] * max_v

dp[0] = 0
for i in range(1,max_v):
    for j in range(n):
        dp[i] = min(dp[i], dp[i - a[j]] + b[j])

ans = x
for i in range(max_v):
    if i >= h:
        ans = min(ans, dp[i])

print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
nc, ac, bc = map(int, input().split())

n = nc - 1
a = ac - 1
b = bc - 1

if (b - a) % 2 == 0:
    print((b - a) // 2)
else:
    left = a
    right = n - b
    if left <= right:
        ran = b - a
        flag = 0
        ans = 0
        while (ran % 2 != 0):
            b -= 1
            if a != 0:
                a -= 1
            else:
                if flag == 0:
                    flag = 1
                else:
                    a += 1
            ran = b - a
            ans += 1
        print(ans + (ran // 2))
    else:
        ran = b - a
        flag = 0
        ans = 0
        while (ran % 2 != 0):
            a += 1
            if b != n:
                b += 1
            else:
                if flag == 0:
                    flag = 1
                else:
                    b -= 1
            ran = b - a
            ans += 1
        print(ans + (ran // 2))

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


if (b - a) % 2 == 0:
    print((b - a) // 2)
else:
    test = (b - a) // 2
    left = a - 1
    right = n - b
    if left >= right:
        print(n - a - test)
    else:
        print(b - 1 - test)
Buggy python submission (verdict: Runtime Error):
 import re

s = input()
p = re.compile(r'^([^L][^R])*[^L]?$')
if p.match(s):
	print("Yes")
else:
	print("No")


Fixed submission:
import re

s = input()
p = re.compile(r'^([^L][^R])*[^L]?$')
if p.match(s):
	print("Yes")
else:
	print("No")

Buggy python submission (verdict: Runtime Error):
 import re
 s = input()
 p = re.compile(r'^([^L][^R])*[^L]?$')
 if p.match(s):

 print("Yes")
 else:
 print("No")


Fixed submission:
import re

s = input()
p = re.compile(r'^([^L][^R])*[^L]?$')
if p.match(s):
	print("Yes")
else:
	print("No")
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
a = []
for i in range(n):
    a.append(int(input()))

for i in range(n):
    max = 0
    for j in range(n):
        if i != j:
            if max < a[j]:
                max = a[j]
    print(max)
            

Fixed submission:
n = int(input())
a = []
for i in range(n):
    a.append(int(input()))

highmax = 0
maxs=0
for i in range(n):
    if highmax < a[i]:
        highmax = a[i]
        maxs = i

for i in range(n):
    max = 0
    if maxs != i:
        print(a[maxs])
    else:
        for j in range(n):
            if i != j:
                if max < a[j]:
                    max = a[j]
        print(max)
Buggy python submission (verdict: Runtime Error):
import math

a, b, c, d = map(int, input().split())
ans = 0

# 最小公倍数
cd = c * d // math.gcd(c, d)

cdiv = int(b / c) - int((a - 1) / c)
ddiv = int(b / d) - int((a - 1) / d)
cddiv = int(b / (cd)) - int((a - 1) / (cd))
ans = (b - a + 1) - (cdiv + ddiv-cddiv)

print(ans)


Fixed submission:
import math


def lcm(a, b):
    return a * b // gcd(a, b)


def gcd(a, b):
    while b:
        a, b = b, a % b
    return a


a, b, c, d = map(int, input().split())
ans = 0

# 最小公倍数
cd = lcm(c, d)

bdiv = (b // c) + (b // d) - (b // cd)
adiv = ((a - 1) // c) + ((a - 1) // d) - ((a - 1) // cd)
ans = (b - a) - (bdiv - adiv) + 1

print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
n,m = map(int,input().split())
l,r = [0] * m, [0] * m
for i in range(m):
    l[i], r[i] = map(int, input().split())

max = 0
for i in range(m):
    if max < l[i]:
        max = l[i]
min = 10**5
for i in range(m):
    if min > r[i]:
        min = r[i]

ans = 0
for i in range(max,min+1):
    for j in range(m):
        if not((i) >= l[j] and (i) <= r[j]):
            break
        if j == m - 1:
            ans += 1

print(ans)

Fixed submission:
n,m = map(int,input().split())
l,r = [0] * m, [0] * m
for i in range(m):
    l[i], r[i] = map(int, input().split())

lmax = 0
rmin = 10 ** 5
for i in range(m):
    lmax = max(lmax,l[i])
    rmin = min(rmin,r[i])

if lmax <= rmin:
    print(rmin - lmax + 1)
else:
    print("0")

Buggy python submission (verdict: Time Limit Exceeded):
n,m = map(int,input().split())
l,r = [0] * m, [0] * m
for i in range(m):
    l[i], r[i] = map(int, input().split())

ans = 0
for i in range(l[0],n + 1):
    for j in range(m):
        if not((i) >= l[j] and (i) <= r[j]):
            break
        if j == m - 1:
            ans += 1

print(ans)

Fixed submission:
n,m = map(int,input().split())
l,r = [0] * m, [0] * m
for i in range(m):
    l[i], r[i] = map(int, input().split())

lmax = 0
rmin = 10 ** 5
for i in range(m):
    lmax = max(lmax,l[i])
    rmin = min(rmin,r[i])

if lmax <= rmin:
    print(rmin - lmax + 1)
else:
    print("0")

Buggy python submission (verdict: Time Limit Exceeded):
n,m = map(int,input().split())
l,r = [0] * m, [0] * m
for i in range(m):
    l[i], r[i] = map(int, input().split())

ans = 0
for i in range(n):
    for j in range(m):
        if not((i + 1) >= l[j] and (i + 1) <= r[j]):
            break
        if j == m - 1:
            ans += 1

print(ans)

Fixed submission:
n,m = map(int,input().split())
l,r = [0] * m, [0] * m
for i in range(m):
    l[i], r[i] = map(int, input().split())

lmax = 0
rmin = 10 ** 5
for i in range(m):
    lmax = max(lmax,l[i])
    rmin = min(rmin,r[i])

if lmax <= rmin:
    print(rmin - lmax + 1)
else:
    print("0")

Buggy python submission (verdict: Runtime Error):
n,m = map(int,input().split())
l,r = [0] * n, [0] * n
for i in range(m):
    l[i], r[i] = map(int, input().split())

ans = 0
for i in range(n):
    for j in range(m):
        if not((i + 1) >= l[j] and (i + 1) <= r[j]):
            break
        if j == m - 1:
            ans += 1

print(ans)

Fixed submission:
n,m = map(int,input().split())
l,r = [0] * m, [0] * m
for i in range(m):
    l[i], r[i] = map(int, input().split())

lmax = 0
rmin = 10 ** 5
for i in range(m):
    lmax = max(lmax,l[i])
    rmin = min(rmin,r[i])

if lmax <= rmin:
    print(rmin - lmax + 1)
else:
    print("0")
Buggy python submission (verdict: Runtime Error):
n = int(input())
graph = {i: [] for i in range(1, n + 1)}
for _ in range(n - 1):
    u, v, ww = map(int, input().split())
    graph[u].append([v,ww])
    graph[v].append([u,ww])
color = [-1] * n

def dfs(x):
    for sub in graph[x]:
        next = sub[0]
        lon = sub[1]
        if color[next - 1] != -1:
            continue
        if lon % 2 == 0:
            color[next - 1] = color[x - 1]
        else:
            if color[x-1] == 1:
                color[next - 1] = 0
            else:
                color[next - 1] = 1
        dfs(next)

color[0] = 0
dfs(1)
for i in color:
    print(i)

Fixed submission:
import sys
sys.setrecursionlimit(200000)
n = int(input())
graph = {i: [] for i in range(1, n + 1)}
for _ in range(n - 1):
    u, v, ww = map(int, input().split())
    graph[u].append([v,ww])
    graph[v].append([u,ww])
color = [-1] * n

def dfs(x):
    for sub in graph[x]:
        next = sub[0]
        lon = sub[1]
        if color[next - 1] != -1:
            continue
        if lon % 2 == 0:
            color[next - 1] = color[x - 1]
        else:
            if color[x - 1] == 1:
                color[next - 1] = 0
            else:
                color[next - 1] = 1
        dfs(next)

color[0] = 0
dfs(1)
for i in color:
    print(i)
Buggy python submission (verdict: Time Limit Exceeded):
n, q = map(int, input().split())
s = list(input())
l,r = [0] * q, [0] * q
for i in range(q):
    l[i], r[i] = map(int, input().split())

#acの場所把握
ac = []
for i in range(n - 1):
    if s[i] == "A" and s[i + 1] == "C":
        ac.append(i + 1)

for i in range(q):
    cnt = 0
    for j in range(len(ac)):
        if ac[j] >= l[i] and ac[j] + 1 <= r[i]:
            cnt += 1
    print(cnt)


Fixed submission:
n, q = map(int, input().split())
s = list(input())
l,r = [0] * q, [0] * q
for i in range(q):
    l[i], r[i] = map(int, input().split())

#acの場所把握
ac = [0] * (n + 1)
for i in range(n - 1):
    if s[i] == "A" and s[i + 1] == "C":
        ac[i + 1] = ac[i] + 1
    else:
        ac[i + 1] = ac[i]

for i in range(q):
    print(ac[r[i] - 1] - ac[l[i] - 1])

Buggy python submission (verdict: Time Limit Exceeded):
n, q = map(int, input().split())
s = list(input())
l,r = [0] * q, [0] * q
for i in range(q):
    l[i], r[i] = map(int, input().split())

for i in range(q):
    cnt = 0
    for j in range(l[i] - 1, r[i]):
        if j == r[i] - 1:
            break
        if s[j] == "A" and s[j + 1] == "C":
            cnt += 1
    print(cnt)

Fixed submission:
n, q = map(int, input().split())
s = list(input())
l,r = [0] * q, [0] * q
for i in range(q):
    l[i], r[i] = map(int, input().split())

#acの場所把握
ac = [0] * (n + 1)
for i in range(n - 1):
    if s[i] == "A" and s[i + 1] == "C":
        ac[i + 1] = ac[i] + 1
    else:
        ac[i + 1] = ac[i]

for i in range(q):
    print(ac[r[i] - 1] - ac[l[i] - 1])

Buggy python submission (verdict: Time Limit Exceeded):
n, q = map(int, input().split())
s = list(input())
l,r = [0] * q, [0] * q
for i in range(q):
    l[i], r[i] = map(int, input().split())

for i in range(q):
    cnt = 0
    for j in range(l[i] - 1, r[i]):
        if j == r[i] - 1:
            break
        if s[j] == "A" and s[j + 1] == "C":
            cnt += 1
    print(cnt)

Fixed submission:
n, q = map(int, input().split())
s = list(input())
l,r = [0] * q, [0] * q
for i in range(q):
    l[i], r[i] = map(int, input().split())

#acの場所把握
ac = [0] * (n + 1)
for i in range(n - 1):
    if s[i] == "A" and s[i + 1] == "C":
        ac[i + 1] = ac[i] + 1
    else:
        ac[i + 1] = ac[i]

for i in range(q):
    print(ac[r[i] - 1] - ac[l[i] - 1])
Buggy python submission (verdict: Time Limit Exceeded):
n, m = map(int, input().split())

a, b = [0] * n, [0] * n
for i in range(n):
    a[i], b[i] = map(int, input().split())

ans = 0
while m > 0:
    minl = float("inf")
    for i in range(n):
        if minl > a[i] and b[i] != 0:
            minl = a[i]
    for i in range(n):
        if minl == a[i]:
            ans += min(a[i] * m, a[i] * b[i])
            m = max(m - b[i], 0)
            b[i] = 0
print(ans)

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


ans = 0
k.sort()
for i in range(n):
    ml = min(k[i][1],m)
    ans += k[i][0] * ml
    m -= k[i][1]
    if m <= 0:
        break
print(ans)

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

a, b = [0] * n, [0] * n
for i in range(n):
    a[i], b[i] = map(int, input().split())

ans = 0
while m > 0:
    minl = float("inf")
    for i in range(n):
        if minl > a[i] and b[i] != 0:
            minl = a[i]
    for i in range(n):
        if minl == a[i]:
            ans += min(a[i] * m, a[i] * b[i])
            m = max(m - b[i], 0)
            b[i] = 0
print(ans)

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


ans = 0
k.sort()
for i in range(n):
    ml = min(k[i][1],m)
    ans += k[i][0] * ml
    m -= k[i][1]
    if m <= 0:
        break
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
h = list(map(int, input().split()))

ans = 0
while True:
    minh = 100
    sub = 0
    for i in range(n):
        if h[i] != 0:
            break

    for fin in range(i, n):
        if h[fin] == 0:
            fin -= 1
            break
    for j in range(i,fin + 1):
        if minh > h[j]:
            minh = h[j]
            sub = j
    minus = h[sub]
    for k in range(i, fin + 1):
        h[k] -= minus
    ans += minus
    
    if h.count(0) == n:
        break

print(ans)

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

ans = h[0]
for i in range(n - 1):
    ans += max(0, h[i + 1] - h[i])

print(ans)

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

ans = 0
while True:
    minh = 100
    sub = 0
    for i in range(n):
        if h[i] != 0:
            break

    for fin in range(i, n):
        if h[fin] == 0:
            fin -= 1
            break
    for j in range(i,fin + 1):
        if minh > h[j]:
            minh = h[j]
            sub = j
    minus = h[sub]
    for k in range(i, fin + 1):
        h[k] -= minus
    ans += minus
    
    if h.count(0) == n:
        break

print(ans)

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

ans = h[0]
for i in range(n - 1):
    ans += max(0, h[i + 1] - h[i])

print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
n, k = map(int, input().split())
h = list(map(int, input().split()))
x = float("inf")

dp = [x] * n
dp[0] = 0
for i in range(1, n):
    for j in range(max(0, i - k), i):
        dp[i] = min(dp[i], dp[j] + abs(h[i] - h[j]))

print(dp[n - 1])

Fixed submission:
n, k = map(int, input().split())
h = list(map(int, input().split()))
x = float("inf")

dp = [x] * n
dp[0] = 0
for i in range(1, n):
    for j in range(max(0, i - k), i):
        dp[i] = min(dp[i], dp[j] + abs(h[i] - h[j]))

print(dp[n - 1])

Buggy python submission (verdict: Time Limit Exceeded):
n,k = map(int,input().split())
h = list(map(int,input().split()))
x = float("inf")

dp = [x] * n
dp[0] = 0
for i in range(1,n):
    for j in range(max(0,i-k),i):
            dp[i] = min(dp[i],abs(h[j]-h[i])+dp[j])
print(dp[n-1])

Fixed submission:
n, k = map(int, input().split())
h = list(map(int, input().split()))
x = float("inf")

dp = [x] * n
dp[0] = 0
for i in range(1, n):
    for j in range(max(0, i - k), i):
        dp[i] = min(dp[i], dp[j] + abs(h[i] - h[j]))

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

if s[0] == "1":
    print(s[1])
else:
    print(s[0])    

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

ans = "1"
for i in range(k):
    if s[i]!="1":
        ans = s[i]
        break
    
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
n, m = map(int, input().split())
ab = [list(map(int, list(input().split()))) for i in range(m)]

ab.sort(key = lambda x: x[1])
bridge = [False] * n
ans = 0
for i in range(m):
    sub = bridge[ab[i][0] : ab[i][1]]
    if True in sub:
        continue
    else:
        bridge[ab[i][1] - 1] = True
        ans += 1

print(ans)

Fixed submission:
n, m = map(int, input().split())
ab = [list(map(int, list(input().split()))) for i in range(m)]

ab.sort(key=lambda x: x[1])
sub = -1
ans = 0
for i in range(m):
    if ab[i][0] <= sub and ab[i][1] > sub:
        continue
    else:
        ans += 1
        sub = ab[i][1] - 1

print(ans)
Buggy python submission (verdict: Runtime Error):
n = int(input())
a = list(map(int, input().split()))

a.sort(reverse=True)
even = []
for i in range(n):
    if a[i] % 2 == 0:
        even.append(a[i])

three = 0
for i in range(len(even)):
    sub = even[i] * (3 ** three)
    while sub % 2 == 0:
        three += 1
        sub = sub / 2

print(three)

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

a.sort(reverse=True)
even = []
for i in range(n):
    if a[i] % 2 == 0:
        even.append(a[i])

three = 0
for i in range(len(even)):
    sub = even[i]
    while sub % 2 == 0:
        three += 1
        sub = sub / 2

print(three)
Buggy python submission (verdict: Runtime Error):
n = input()
if n >= 1000:
    ans = "ABD"
else:
    ans = "ABC"
print(ans)

Fixed submission:
n = int(input())
if n >= 1000:
    ans = "ABD"
else:
    ans = "ABC"
print(ans)

Buggy python submission (verdict: Runtime Error):
n = input()
if n >= 1000:
    ans = "ABD"
else:
    ans = "ABC"
print(ans)

Fixed submission:
n = int(input())
if n >= 1000:
    ans = "ABD"
else:
    ans = "ABC"
print(ans)