Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
N, X = map(int, input().split())
a,p=[1],[1] 
for i in range(N):
    a.append(a[i] * 2 + 3)
    p.append(p[i] * 2 + 1)
deff(N,X): #X<=0やX>a_Nを許容し解説本文から簡略化 
    if N == 0:
        return 0 if X <= 0 else 1
    elif X <= 1 + a[N-1]:
        return f(N-1, X-1)
    else:
        return p[N-1] + 1 + f(N-1, X-2-a[N-1])
print(f(N, X))

Fixed submission:
N, X = map(int, input().split())
a,p=[1],[1] 
for i in range(N):
    a.append(a[i] * 2 + 3)
    p.append(p[i] * 2 + 1)
def f(N,X): #X<=0やX>a_Nを許容し解説本文から簡略化
    if N == 0:
        return 0 if X <= 0 else 1
    elif X <= 1 + a[N-1]:
        return f(N-1, X-1)
    else:
        return p[N-1] + 1 + f(N-1, X-2-a[N-1])
print(f(N, X))

Buggy python submission (verdict: Runtime Error):
N, X = map(int, input().split())
a,p=[1],[1] for i in range(N):
    a.append(a[i] * 2 + 3)
    p.append(p[i] * 2 + 1)
deff(N,X): #X<=0やX>a_Nを許容し解説本文から簡略化 if N == 0:
        return 0 if X <= 0 else 1
    elif X <= 1 + a[N-1]:
        return f(N-1, X-1)
    else:
        return p[N-1] + 1 + f(N-1, X-2-a[N-1])
print(f(N, X))

Fixed submission:
N, X = map(int, input().split())
a,p=[1],[1] 
for i in range(N):
    a.append(a[i] * 2 + 3)
    p.append(p[i] * 2 + 1)
def f(N,X): #X<=0やX>a_Nを許容し解説本文から簡略化
    if N == 0:
        return 0 if X <= 0 else 1
    elif X <= 1 + a[N-1]:
        return f(N-1, X-1)
    else:
        return p[N-1] + 1 + f(N-1, X-2-a[N-1])
print(f(N, X))

Buggy python submission (verdict: Runtime Error):
N,X=map(int,input().split())
def a(n):
    if n==0:
        return 1
    else:
        return a(n-1)*2+3
def p(n):
    if n==0:
        return 1
    else:
        return p(n-1)*2+1
def f(n,x):
    if x==0:
        return 0
    if 0<x<=a(n-1)+1:
        return f(n-1,x-1)
    if x==a(n-1)+2:
        return 1+p(n-1)
    if a(n-1)+2<x<=a(n-1)*2+2:
        return 1+p(n-1)+f(n-1,x-a(n-1)-2)
    if x==2*a(n-1)+3:
        return p(n)
print(f(N,X))

Fixed submission:
N, X = map(int, input().split())
a,p=[1],[1] 
for i in range(N):
    a.append(a[i] * 2 + 3)
    p.append(p[i] * 2 + 1)
def f(N,X): #X<=0やX>a_Nを許容し解説本文から簡略化
    if N == 0:
        return 0 if X <= 0 else 1
    elif X <= 1 + a[N-1]:
        return f(N-1, X-1)
    else:
        return p[N-1] + 1 + f(N-1, X-2-a[N-1])
print(f(N, X))

Buggy python submission (verdict: Time Limit Exceeded):
N,X=map(int,input().split())
def humberger(N):
    if N==0:
        return [1]
    else:
        return [0]+humberger(N-1)+[1]+humberger(N-1)+[0]
list1=humberger(N)
del list1[X:]
print(sum(list1))

Fixed submission:
N, X = map(int, input().split())
a,p=[1],[1] 
for i in range(N):
    a.append(a[i] * 2 + 3)
    p.append(p[i] * 2 + 1)
def f(N,X): #X<=0やX>a_Nを許容し解説本文から簡略化
    if N == 0:
        return 0 if X <= 0 else 1
    elif X <= 1 + a[N-1]:
        return f(N-1, X-1)
    else:
        return p[N-1] + 1 + f(N-1, X-2-a[N-1])
print(f(N, X))
Buggy python submission (verdict: Runtime Error):
N=input()
f=0
for i in range(len(N)):
  f+=int(N[i])
if N%f==0:
  print("Yes")
else:
  print("No")

Fixed submission:
N=input()
f=0
n=int(N)
for i in range(len(N)):
    f+=int(N[i])
if n%f==0:
    print("Yes")
else:
    print("No")
Buggy python submission (verdict: Time Limit Exceeded):
#長方形ができるかの判定を行いながら、長方形の面積を求める
N=int(input()) 
A=list(map(int,input().split()))
A.sort()
max1=0
max2=0
max3=0
max4=0
for i in range(0,len(A)): 
    if A.count(A[i])>=2: 
        a=max1
        b=max2
        c=max3
        max1=A[i]
        max2=a
        max3=b
        max4=c
print(max1*max4)
#これは求めるべき答えを見出せたが、TLEとなった
#これはcount関数を使ったため

Fixed submission:
#長方形ができるかの判定を行いながら、長方形の面積を求める
N=int(input()) 
A=list(map(int,input().split()))
A.sort() 
max1=0
max2=0
if A[0]==A[1]:
        a=max1
        max1=A[0]
        max2=a     
for i in range(2,len(A)-1): 
    if A[i]==A[i+1] and (A[i]!=A[i-1] or  A[i]==A[i-1]==A[i-2]):
        a=max1
        max1=A[i]
        max2=a 
print(max1*max2)
Buggy python submission (verdict: Time Limit Exceeded):
#C問題　importがない場合
#最小公倍数
N=int(input())
T=[]
for i in range(0,N):
    T.append(int(input()))
def gcd(x,y):
    gcd=1
    for i in range(2,x+1):
        if x%i==0 and y%i==0:
            gcd=i
    return gcd
def lcm_base(x,y):
    return (x*y)//gcd(x,y)
def lcm_reduce(T):
    result=T[0]
    for i in range(1,len(T)):
        result=lcm_base(result,T[i])
    return result
print(lcm_reduce(T))

Fixed submission:
#ユークリッドの互除法を用いる
N=int(input())
T=[]
for i in range(0,N):
    T.append(int(input()))
def gcd(a,b):
    while b>0 :
        a0=a
        b0=b
        a=b0
        b=a0%b0
    return a
def lcm_base(x,y):
    return (x*y)//gcd(x,y)
def lcm_reduce(T):
    result=T[0]
    for i in range(1,len(T)):
        result=lcm_base(result,T[i])
    return result
print(lcm_reduce(T))

Buggy python submission (verdict: Runtime Error):
import math 
from functools import reduce
#C問題
#最小公倍数
N=int(input())
T=[]
for i in range(0,N):
    T.append(int(input()))
def lcm_base(x,y):
    return (x*y)//math.gcd(x,y)
print(reduce(lcm_base,T))

Fixed submission:
#ユークリッドの互除法を用いる
N=int(input())
T=[]
for i in range(0,N):
    T.append(int(input()))
def gcd(a,b):
    while b>0 :
        a0=a
        b0=b
        a=b0
        b=a0%b0
    return a
def lcm_base(x,y):
    return (x*y)//gcd(x,y)
def lcm_reduce(T):
    result=T[0]
    for i in range(1,len(T)):
        result=lcm_base(result,T[i])
    return result
print(lcm_reduce(T))
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
s = [[] for _ in range(n)]
num_of_anaglam = [0 for _ in range(n)]

for i in range(n):
    si = input()
    s[i] = sorted(list(si))
    for j in range(i - 1, -1, -1):
        if s[i] == s[j]:
            num_of_anaglam[i] = 1 + num_of_anaglam[j]
            break

print(sum(num_of_anaglam))

Fixed submission:
n = int(input())
num_of_anagram = dict()
ans = 0

for _ in range(n):
    s = input()
    s = ''.join(sorted(list(s)))
    if s in num_of_anagram:
        num_of_anagram[s] += 1
        ans += num_of_anagram[s]
    else:
        num_of_anagram[s] = 0

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
s = []
ctr = 0

for _ in range(n):
    si = input()
    slist = sorted(list(si))
    for i in range(len(s)):
        if slist == s[i]:
            ctr += 1
    s.append(slist)

print(ctr)

Fixed submission:
n = int(input())
num_of_anagram = dict()
ans = 0

for _ in range(n):
    s = input()
    s = ''.join(sorted(list(s)))
    if s in num_of_anagram:
        num_of_anagram[s] += 1
        ans += num_of_anagram[s]
    else:
        num_of_anagram[s] = 0

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
s = []
ctr = 0

for _ in range(n):
    si = input()
    slist = sorted(list(si))
    for i in range(len(s)):
        if slist == sorted(list(s[i])):
            ctr += 1
    s.append(si)

print(ctr)

Fixed submission:
n = int(input())
num_of_anagram = dict()
ans = 0

for _ in range(n):
    s = input()
    s = ''.join(sorted(list(s)))
    if s in num_of_anagram:
        num_of_anagram[s] += 1
        ans += num_of_anagram[s]
    else:
        num_of_anagram[s] = 0

print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
a = []
for _ in range(n):
    a.append(int(input()))

for i in range(n):
    if i !=  n - 1:
        print(max(a[:i] + a[i + 1:]))
    else:
        print(max(a[:i]))

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

b = sorted(a)
max_ind = a.index(b[n - 1])

for i in range(n):
    if i == max_ind:
        print(b[n - 2])
    else:
        print(b[n - 1])
Buggy python submission (verdict: Runtime Error):
import math

n = int(input())

def lcm(x,y):
	return (x * y) // math.gcd(x, y)

ct = 1
for _ in range(n):
	t = int(input())
	ct = lcm(ct,t)
	
print(ct)


Fixed submission:
import math

n = int(input())

def gcd(a, b):
    if a < b:
        a, b = b, a
    if b == 0:
        return a
    c = a % b
    return gcd(b, c)
    
def lcm(x,y):
	return (x * y) // gcd(x, y)

ct = 1
for _ in range(n):
	t = int(input())
	ct = lcm(ct,t)
	
print(ct)
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
s = []
ans = 0
for _ in range(N):
    si = input()
    sortedSi = "".join(sorted(list(si)))
    ans += s.count(sortedSi)
    s.append(sortedSi)

print(ans)


Fixed submission:
N = int(input())
dic = {}
ans = 0
for _ in range(N):
    si = input()
    sortedSi = "".join(sorted(si))
    if sortedSi in dic:
        dic[sortedSi] += 1
    else:
        dic[sortedSi] = 1

for val in dic.values():
    ans += val * (val - 1) // 2

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
s = []
ans = 0
for _ in range(N):
    occurence = {}
    si = input()
    for char in si:
        if char not in occurence:
            occurence[char] = 1
        else:
            occurence[char] += 1
    for previous in s:
        if previous == occurence:
            ans += 1
    s.append(occurence)

print(ans)


Fixed submission:
N = int(input())
dic = {}
ans = 0
for _ in range(N):
    si = input()
    sortedSi = "".join(sorted(si))
    if sortedSi in dic:
        dic[sortedSi] += 1
    else:
        dic[sortedSi] = 1

for val in dic.values():
    ans += val * (val - 1) // 2

print(ans)
Buggy python submission (verdict: Runtime Error):
import sys
import heapq

N, M = list(map(int, input().split()))
possiblyValidJobs = {}
for line in sys.stdin:
    A, B = map(int, line.split())
    if A > M:
        continue

    if A in possiblyValidJobs:
        possiblyValidJobs[A] += 1
    else:
        possiblyValidJobs[A] = 1

validJobsOnThisDay = []
ans = 0
for daysBeforeDeadline in range(1, M + 1):
    if daysBeforeDeadline in possiblyValidJobs:
        for wage in possiblyValidJobs[daysBeforeDeadline]:
            heapq.heappush(validJobsOnThisDay, -wage)
    if validJobsOnThisDay:
        ans += -heapq.heappop(validJobsOnThisDay)
print(ans)


Fixed submission:
import sys
import heapq

N, M = list(map(int, input().split()))
jobs = []
for line in sys.stdin:
    A, B = map(int, line.split())
    if A > M:
        continue
    jobs.append((A, B))

jobs.sort(reverse=True)

q = []
ans = 0
for i in range(1, M + 1):
    while jobs and jobs[-1][0] <= i:
        A, B = jobs.pop()
        heapq.heappush(q, -B)

    if q:
        ans += -heapq.heappop(q)
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
import sys
N, M = map(int, input().split())
validJobSalary = [[] for _ in range(M + 1)]  # a[k]には最終日のk日前時点で働いた場合に最終日までに報酬が得られる仕事の報酬リストが入っている
ans = 0
salaryForCurrentlyAvailableJobs = []
for line in sys.stdin:
    A, B = map(int, line.split())
    if A <= M:
        validJobSalary[A].append(B)

for salaryList in validJobSalary:
    salaryForCurrentlyAvailableJobs.extend(salaryList)
    if salaryForCurrentlyAvailableJobs:
        highest = max(salaryForCurrentlyAvailableJobs)
        ans += highest
        salaryForCurrentlyAvailableJobs.remove(highest)

print(ans)


Fixed submission:
import sys
import heapq

N, M = list(map(int, input().split()))
jobs = []
for line in sys.stdin:
    A, B = map(int, line.split())
    if A > M:
        continue
    jobs.append((A, B))

jobs.sort(reverse=True)

q = []
ans = 0
for i in range(1, M + 1):
    while jobs and jobs[-1][0] <= i:
        A, B = jobs.pop()
        heapq.heappush(q, -B)

    if q:
        ans += -heapq.heappop(q)
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
import sys
N, M = map(int, input().split())

a = [int(line) for line in sys.stdin]

ans = [0] * (N + 1)

ans[0] = 1
if 1 in a:
    ans[1] = 0
else:
    ans[1] = 1
for i in range(2, N + 1):
    if i in a:
        ans[i] = 0
    else:
        ans[i] = ans[i - 1] + ans[i - 2]

print(ans[N] % 1000000007)


Fixed submission:
import sys
N, M = map(int, input().split())

a = [int(line) for line in sys.stdin]

ans = [-1] * (N + 1)  # not evaluated yet

for broken in a:
    ans[broken] = 0  # unreachable

ans[0] = 1  # reachable

if ans[1]:
    ans[1] = 1

for i in range(2, N + 1):
    if ans[i]:
        ans[i] = ans[i - 1] + ans[i - 2]

print(ans[N] % 1000000007)
Buggy python submission (verdict: Time Limit Exceeded):
import sys
N, M = map(int, input().split())

ans = {i for i in range(1, N + 1)}
for line in sys.stdin:  # much faster than input
    L, R = map(int, line.split())
    allowed = {i for i in range(L, R + 1)}
    ans = ans & allowed

print(len(ans))


Fixed submission:
import sys
N, M = map(int, input().split())

Lmax = 1
Rmin = N
for line in sys.stdin:  # much faster than input
    L, R = map(int, line.split())
    Lmax = max(L, Lmax)
    Rmin = min(R, Rmin)

print(max(0, Rmin - Lmax + 1))
Buggy python submission (verdict: Runtime Error):
N = int(input())
nodes = [set() for _ in range(N)]
for line in sys.stdin:
    u, v, w = map(int, line.split())
    u, v = (u - 1, v - 1)
    nodes[u].add((v, w))
    nodes[v].add((u, w))


ans = [-1 for _ in range(N)]
q = [(0, 0, -1)]

while q:
    v, dist, parent = q.pop()

    if dist % 2 == 0:
        ans[v] = 0
    else:
        ans[v] = 1

    for u, w in nodes[v]:
        if u == parent:
            continue

        q.append((u, dist + w, v))

print("\n".join(map(str, ans)))


Fixed submission:
N = int(input())
nodes = [set() for _ in range(N)]
for _ in range(N - 1):
    u, v, w = map(int, input().split())
    u, v = (u - 1, v - 1)
    nodes[u].add((v, w))
    nodes[v].add((u, w))


ans = [-1 for _ in range(N)]
q = [(0, 0, -1)]

while q:
    v, dist, parent = q.pop()

    if dist % 2 == 0:
        ans[v] = 0
    else:
        ans[v] = 1

    for u, w in nodes[v]:
        if u == parent:
            continue

        q.append((u, dist + w, v))

print("\n".join(map(str, ans)))
Buggy python submission (verdict: Time Limit Exceeded):
import re
N, Q = map(int, input().split())
S = input()
indices = [m.start(0) for m in re.finditer("AC", S)]

for _ in range(Q):
    li, ri = map(int, input().split())
    print(len([x for x in indices if li - 1 <= x and x < ri - 1]))


Fixed submission:
N, Q = map(int, input().split())
S = input()
count = 0
counts = [0 for _ in range(N)]

for i in range(N - 1):
    if S[i] == "A" and S[i + 1] == "C":
        count += 1
        counts[i + 1] = count
    else:
        counts[i + 1] = count

for _ in range(Q):
    li, ri = map(int, input().split())
    print(counts[ri - 1] - counts[li - 1])

Buggy python submission (verdict: Time Limit Exceeded):
N, Q = map(int, input().split())
S = input()
for _ in range(Q):
    li, ri = map(int, input().split())
    substr = S[li - 1:ri]
    print(substr.count("AC"))


Fixed submission:
N, Q = map(int, input().split())
S = input()
count = 0
counts = [0 for _ in range(N)]

for i in range(N - 1):
    if S[i] == "A" and S[i + 1] == "C":
        count += 1
        counts[i + 1] = count
    else:
        counts[i + 1] = count

for _ in range(Q):
    li, ri = map(int, input().split())
    print(counts[ri - 1] - counts[li - 1])
Buggy python submission (verdict: Time Limit Exceeded):
S = input()
cnt1 = 0
cnt2 = 0
while True:
    before = S
    S = before.replace("01", "", 1)
    if before != S:
        cnt1 += 1
    else:
        break

while True:
    before = S
    S = before.replace("10", "", 1)
    if before != S:
        cnt2 += 1
    else:
        break

print(2 * (cnt1 + cnt2))


Fixed submission:
S = input()
print(2 * min(S.count("1"), S.count("0")))
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
spotStrList = input().split()
result = 0
spotList = ['0']
for x in range(n):
    spotList.append(spotStrList[x])
spotList.append('0')

def travelfrom(spotNum, skipNum):
    if spotNum == skipNum:
        return 0
    elif spotNum == skipNum -1:
        return abs(int(spotList[spotNum+2])-int(spotList[spotNum]))
    else:
        return abs(int(spotList[spotNum+1])-int(spotList[spotNum]))
              
for i in range(n):
    for spot in range(n+1):
        result += travelfrom(spot,i+1)
    print(result)
    result=0

Fixed submission:
distanceSum = 0
spotCount = int(input())
spotList = input().split()
spotList = [int(i) for i in spotList]
spotList.append(0)

def calcDistance(num): # 配列num-1番のスポットから配列num番目のスポットへの距離を計算
    if num == 0: #開始地点から配列0番＝最初のスポット
        return abs(spotList[num])
    elif num == spotCount: #最後スポットから開始地点
        return abs(spotList[num-1])
    else:
        return abs(spotList[num]-spotList[num-1])

def calcSkipEffect(num): #配列num番をスキップした時の移動距離への影響を計算
    if num == 0: #最初のスポットの時だけの例外
        return abs(spotList[num+1])-abs(spotList[num])-abs(spotList[num+1]-spotList[num])
    else:
        return abs(spotList[num+1]-spotList[num-1])-abs(spotList[num]-spotList[num-1])-abs(spotList[num+1]-spotList[num])

for i in range(spotCount+1): #総移動回数はスポット数+1
    distanceSum += calcDistance(i)
    
for j in range(spotCount): #配列0～n-1番までの各スポットについて実行
    print(str(distanceSum + calcSkipEffect(j)))
Buggy python submission (verdict: Time Limit Exceeded):
if __name__ == '__main__':
    N = int(input())
    print(sum([i for i in range(N)]))

Fixed submission:
if __name__ == '__main__':
    N = int(input())
    print((N)*(N-1)//2)
Buggy python submission (verdict: Time Limit Exceeded):
import numpy as np
def min_mod2019(L, R):
    min_mod = 2019
    imin=0
    jmin=0
    for i in range(L, R):
        for j in range(i+1, R+1):
            #min_mod = min(min_mod, (i%2019)*(j%2019)%2019)
            if min_mod > (i%2019)*(j%2019)%2019:
                min_mod = (i%2019)*(j%2019)%2019
                imin=i
                jmin=j
    return min_mod

if __name__ == '__main__':
    L, R =map(int,input().split(' '))
    print(min_mod2019(L, R))

Fixed submission:
import numpy as np
def min_mod2019(L, R):

    mod_list = [i for i in range(2019)]

    imin=0
    jmin=0
    
    if L%2019 < R%2019 and R < L+2019:
        mod_list = mod_list[L%2019:R%2019 + 1]
        min_mod = 2019
        for i in range(len(mod_list)-1):
            for j in range(i+1, len(mod_list)):
                if min_mod > (mod_list[i]*mod_list[j])%2019:
                    #imin=mod_list[i]
                    #jmin=mod_list[j]
                    min_mod=(mod_list[i]*mod_list[j])%2019
        return min_mod
    return 0

if __name__ == '__main__':
    L, R =map(int,input().split(' '))
    print(min_mod2019(L, R))
Buggy python submission (verdict: Runtime Error):
if __name__ == '__main__':
    N, K = map(int, input().split())
    S = list(str(input()))
    s = S[K]
    S[K] = s.lower()
    print(''.join(S))

Fixed submission:
if __name__ == '__main__':
    N, K = map(int, input().split())
    S = list(str(input()))
    s = S[K-1]
    S[K-1] = s.lower()
    print(''.join(S))
Buggy python submission (verdict: Runtime Error):
if __name__ == '__main__':
    T = [int(input()) for _ in range(5)]
    
    del_max = -1
    idx_max = None
    for i in range(5):
        if T[i]%10 == 0:
            pass
        elif 10 - T[i]%10 > del_max:
            del_max = 10 - T[i]%10
            idx_max = i
    
    count = 0
    for i in range(5):
        if i != idx_max:
            time = (T[i]//10)*10
            if time < T[i]:
                time += 10
            count += time
    count += T[idx_max]
    
    print(count)

Fixed submission:
if __name__ == '__main__':
    T = [int(input()) for _ in range(5)]
    
    del_max = -1
    idx_max = 0
    for i in range(5):
        if T[i]%10 == 0:
            pass
        elif 10 - T[i]%10 > del_max:
            del_max = 10 - T[i]%10
            idx_max = i
    
    count = 0
    for i in range(5):
        if i != idx_max:
            time = (T[i]//10)*10
            if time < T[i]:
                time += 10
            count += time
    count += T[idx_max]
    
    print(count)

Buggy python submission (verdict: Runtime Error):
if __name__ == '__main__':
    T = [int(input()) for _ in range(5)]
    
    del_max = 0
    idx_max = None
    for i in range(5):
        if T[i]%10 == 0:
            pass
        elif 10 - T[i]%10 > del_max:
            del_max = max(T[i]%10 - 5, 5 - T[i]%10)
            idx_max = i
    
    count = 0
    for i in range(5):
        if i != idx_max:
            time = (T[i]//10)*10
            if time < T[i]:
                time += 10
            count += time
    count += T[idx_max]
    
    print(count)

Fixed submission:
if __name__ == '__main__':
    T = [int(input()) for _ in range(5)]
    
    del_max = -1
    idx_max = 0
    for i in range(5):
        if T[i]%10 == 0:
            pass
        elif 10 - T[i]%10 > del_max:
            del_max = 10 - T[i]%10
            idx_max = i
    
    count = 0
    for i in range(5):
        if i != idx_max:
            time = (T[i]//10)*10
            if time < T[i]:
                time += 10
            count += time
    count += T[idx_max]
    
    print(count)
Buggy python submission (verdict: Runtime Error):
if __name__ == '__main__':
    N, Q= map(int, input().split())
    S = str(input())
    L = [list(map(int, input().split())) for _ in range(Q)]
    
    nums = [0]*(N-1)
    
    for i in range(N):
        if S[i] == 'A' and S[i+1] == 'C':
            nums[i] += 1

    for i in range(1, len(nums)):
        nums[i] = nums[i] + nums[i-1]
    
    nums = [0] + nums
    
    for l, r in L:
        print(nums[r-1] - nums[l-1])

Fixed submission:
if __name__ == '__main__':
    N, Q= map(int, input().split())
    S = str(input())
    L = [list(map(int, input().split())) for _ in range(Q)]
    
    nums = [0]*(N-1)
    
    for i in range(N-1):
        if S[i] == 'A' and S[i+1] == 'C':
            nums[i] += 1

    for i in range(1, len(nums)):
        nums[i] = nums[i] + nums[i-1]
    
    nums = [0] + nums
    
    for l, r in L:
        print(nums[r-1] - nums[l-1])
Buggy python submission (verdict: Runtime Error):
if __name__ == '__main__':
    mod = 10**9 +7
    N = int(input())
    S = str(input())
    
    letter = defaultdict(int)
    for i in range(N):
        letter[S[i]] += 1
    count = 1
    for c in letter:
        count *= (letter[c]+1)
        count%mod
    print(count-1)

Fixed submission:
from collections import defaultdict
if __name__ == '__main__':
    mod = 10**9 +7
    N = int(input())
    S = str(input())
    
    letter = defaultdict(int)
    for i in range(N):
        letter[S[i]] += 1
    count = 1
    for c in letter:
        count *= (letter[c]+1)
        count %= mod
    print(count-1)
Buggy python submission (verdict: Runtime Error):
from collections import defaultdict
if __name__ == '__main__':
    S = str(input())
    T = str(input())
    
    count = defaultdict(str)
    
    flag = True
    for i in range(len(S)):
        s = S[i]
        t = T[i]
        if count[t] != '':
            if count[t] != s:
                flag = False
        else:
            count[t] = s
    if flag:
        print(1/0)
        print('Yes')
    else:
        print('No')

Fixed submission:
from collections import defaultdict
if __name__ == '__main__':
    S = str(input())
    T = str(input())
    
    count = defaultdict(str)
    count2 = defaultdict(str)
    flag = True
    for i in range(len(S)):
        s = S[i]
        t = T[i]
        if count[t] != '':
            if count[t] != s:
                flag = False
        else:
            if count2[s] != '':
                if count2[s] != t:
                    flag = False
            else:
                count[t] = s
                count2[s] = t
    if flag:
        print('Yes')
    else:
        print('No')
Buggy python submission (verdict: Runtime Error):
if __name__ == '__main__':
  a, b = map(int, input().split())
  if a >= b:
    print(a)
  elif a < b:
	print(a-1)

Fixed submission:
if __name__ == '__main__':
    a, b = map(int, input().split())
    if a > b:
        print(a-1)
    elif a <= b:
        print(a)

Buggy python submission (verdict: Runtime Error):
if __name__ == '__main__':
  a, b = map(int, input())
  if a >= b:
    print(a)
  elif a < b:
    print(b)

Fixed submission:
if __name__ == '__main__':
    a, b = map(int, input().split())
    if a > b:
        print(a-1)
    elif a <= b:
        print(a)