Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
S = input()
K = int(input())
if S[0] != "1":
    print(S[0])
else:
    i = 0
    count = 0
    for i in range(len(S)):
        if S[i] == "1":
            count += 1
            i += 1
    if K <= count:
        print(1)
    else:
        print(S[i])

Fixed submission:
S = input()
K = int(input())


if S[0] != "1":
    print(S[0])
else:
    i = 0
    count = 0
    while i < len(S) and S[i] == "1":
        count += 1
        i += 1
    if K <= count:
        print(1)
    else:
        print(S[i])

Buggy python submission (verdict: Runtime Error):
S = input()
K = int(input())
if S[0] != "1":
    print(S[0])
else:
    i = 0
    count = 0
    while S[i] == "1":
        count += 1
        i += 1
    if K <= count:
        print(1)
    else:
        print(S[i])

Fixed submission:
S = input()
K = int(input())


if S[0] != "1":
    print(S[0])
else:
    i = 0
    count = 0
    while i < len(S) and S[i] == "1":
        count += 1
        i += 1
    if K <= count:
        print(1)
    else:
        print(S[i])

Buggy python submission (verdict: Runtime Error):
S = input()
K = int(input())
if S[0] != "1":
    print(S[0])
else:
    i = 0
    count = 0
    while S[i] == "1":
        count += 1
        i += 1
    if K <= count:
        print(1)
    else:
        print(S[i])

Fixed submission:
S = input()
K = int(input())


if S[0] != "1":
    print(S[0])
else:
    i = 0
    count = 0
    while i < len(S) and S[i] == "1":
        count += 1
        i += 1
    if K <= count:
        print(1)
    else:
        print(S[i])
Buggy python submission (verdict: Runtime Error):
a, b = list(input().split())
c = int(a + b)
d = c ** 0.5
if isinstance(d,int):
  print(YES)
else:
  print(No)

Fixed submission:
a, b = input().split()
c = int(a + b)
c = c ** 0.5
if isinstance(c,int) or c.is_integer():
  print("Yes")
else:
  print("No")
Buggy python submission (verdict: Runtime Error):
N = int(input())
sta = list(map(int, input().split()))
sta2 = []

count_i = 0
for i in sta:
    sta2.append(i)
    if i <= min(sta2):
        count_i += 1

print(count_i)

Fixed submission:
import sys
import os

#fname = "..\problems\problem1.txt"
#f = open(fname, 'r')
#sys.stdin = f

(N, M) = map(int, input().split())

if N == M:
    print('Yes')
else:
    print('No')
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
sta = list(map(int, input().split()))
sta2 = []

count_i = 0
for i in sta:
    sta2.append(i)
    if i <= min(sta2):
        count_i += 1

print(count_i)

Fixed submission:
N = int(input())
sta = list(map(int, input().split()))
min_i = sta[0]
count_i = 0
for i in sta:
    if min_i > i:
        min_i = i
    if i <= min_i:
        count_i += 1

print(count_i)

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

count_i = 0
for i in range(0, N):
    for j in range(0, i):
        if sta[i] > sta[j]:
            count_i -= 1
            break
    count_i += 1

print(count_i)


Fixed submission:
N = int(input())
sta = list(map(int, input().split()))
min_i = sta[0]
count_i = 0
for i in sta:
    if min_i > i:
        min_i = i
    if i <= min_i:
        count_i += 1

print(count_i)
Buggy python submission (verdict: Time Limit Exceeded):
# -*- coding: utf-8 -*-

N = int(input())
nums = [str(i) for i in range(1, N+1)]
heads = [s[0] for s in nums]
tails = [s[-1] for s in nums]

count = 0
for A in range(N):
    for B in range(A, N):
        if heads[A] == tails[B] and tails[A] == heads[B]:
            if A == B:
                count += 1
            else:
                count += 2

print(count)


Fixed submission:
# -*- coding: utf-8 -*-

# input
N = int(input())

# create and init dictionary
heads_and_tails = {}
for head in range(1, 10):
    for tail in range(1, 10):
        heads_and_tails[(head, tail)] = 0

# create dictionary contents
for num in range(1, N+1):
    if num%10 == 0:
        continue
    head = int(str(num)[0])
    tail = int(str(num)[-1])
    heads_and_tails[(head, tail)] +=1

# count
count = 0
for head in range(1, 10):
    for tail in range(1, 10):
        count += heads_and_tails[(head, tail)] * heads_and_tails[(tail, head)]

print(count)

Buggy python submission (verdict: Time Limit Exceeded):
# -*- coding: utf-8 -*-

N = int(input())

count = 0
for A in range(1, N+1):
    head_A = str(A)[0]
    tail_A = str(A)[-1]
    for B in range(A, N+1):
        head_B = str(B)[0]
        tail_B = str(B)[-1]
        if head_A == tail_B and tail_A == head_B:
            if A == B:
                count += 1
            else:
                count += 2

print(count)


Fixed submission:
# -*- coding: utf-8 -*-

# input
N = int(input())

# create and init dictionary
heads_and_tails = {}
for head in range(1, 10):
    for tail in range(1, 10):
        heads_and_tails[(head, tail)] = 0

# create dictionary contents
for num in range(1, N+1):
    if num%10 == 0:
        continue
    head = int(str(num)[0])
    tail = int(str(num)[-1])
    heads_and_tails[(head, tail)] +=1

# count
count = 0
for head in range(1, 10):
    for tail in range(1, 10):
        count += heads_and_tails[(head, tail)] * heads_and_tails[(tail, head)]

print(count)

Buggy python submission (verdict: Time Limit Exceeded):
# -*- coding: utf-8 -*-

N = int(input())

count = 0
for A in range(1, N+1):
    head_A = str(A)[0]
    tail_A = str(A)[-1]
    for B in range(1, N+1):
        head_B = str(B)[0]
        tail_B = str(B)[-1]
        if head_A == tail_B and tail_A == head_B:
            count += 1

print(count)


Fixed submission:
# -*- coding: utf-8 -*-

# input
N = int(input())

# create and init dictionary
heads_and_tails = {}
for head in range(1, 10):
    for tail in range(1, 10):
        heads_and_tails[(head, tail)] = 0

# create dictionary contents
for num in range(1, N+1):
    if num%10 == 0:
        continue
    head = int(str(num)[0])
    tail = int(str(num)[-1])
    heads_and_tails[(head, tail)] +=1

# count
count = 0
for head in range(1, 10):
    for tail in range(1, 10):
        count += heads_and_tails[(head, tail)] * heads_and_tails[(tail, head)]

print(count)
Buggy python submission (verdict: Runtime Error):
n, m = [int(x) for x in input().split()]
nac = 0
nwa = 0
past_ac = {}
for i in range(m):
    p, s = [x for x in input().split()]
    d = p + s
    if (p + 'AC') in past_ac:
        next
    else:
        if s == 'WA':
            past_ac[d] = 1 if d not in past_ac else past_ac[d] + 1
        else:
            past_ac[d] = 1
            nac += 1
            nwa += past_ac[p + 'WA']
print(nac, nwa)

Fixed submission:
n, m = [int(x) for x in input().split()]
nac = 0
nwa = 0
past = {}
for i in range(m):
    p, s = [x for x in input().split()]
    d = p + s
    if (p + 'AC') in past:
        next
    else:
        if s == 'WA':
            past[d] = 1 if d not in past else past[d] + 1
        else:
            past[d] = 1
            nac += 1
            nwa += 0 if (p + 'WA') not in past else past[p + 'WA']
print(nac, nwa)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())

s = {2}
#for i in range(3, n, 2):
z = 2
i = 3
while z < n:
    x = 1
    for j in s:
        if i % j == 0:
            x = 0
            break
    if x:
        z = i
        s.add(i)
    i += 2
print(z)

Fixed submission:
n = int(input())

def isprime(x):
    for i in range(2, int(x**0.5), 1):
        if x % i == 0:
            return False
    return True

i = n
while True:
    if isprime(i):
        break
    else:
        i += 1
print(i)

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

s = [2]
#for i in range(3, n, 2):
i = 3
while z < n:
    x = 1
    for j in s:
        if i % j == 0:
            x = 0
            break
    if x:
        z = i
        s.append(i)
    i += 2
print(z)

Fixed submission:
n = int(input())

def isprime(x):
    for i in range(2, int(x**0.5), 1):
        if x % i == 0:
            return False
    return True

i = n
while True:
    if isprime(i):
        break
    else:
        i += 1
print(i)
Buggy python submission (verdict: Runtime Error):
n = int(input())
s = int(math.sqrt(n))
a = 0
for i in range(s, 0, -1):
    if n % i == 0:
        a = i
        break
if a == 0:
    print(n - 1)
else:
    print(int((a - 1) + (n / a - 1)))

Fixed submission:
import math
n = int(input())
s = int(math.sqrt(n))
a = 0
for i in range(s, 0, -1):
    if n % i == 0:
        a = i
        break
if a == 0:
    print(n - 1)
else:
    print(int((a - 1) + (n / a - 1)))
Buggy python submission (verdict: Runtime Error):
n, m = [int(x) for x in input().split()]
a = sorted([int(x) for x in input().split()], reverse=True)
i = 0
j = 1
l = len(a)
for _ in range(m):
    if n == 1:
        a[0] //=2
    else:
        if a[0] >= a[i] and a[0] >= a[j]:
            a[0] //= 2
        elif a[i] >= a[j]:
            a[i] //= 2
        else:
            a[j] //= 2
        if a[j] < a[j+1]:
            i = j
            j = j+1
print(sum(a))

Fixed submission:
# ABC141-D
import heapq
n, m = [int(x) for x in input().split()]
h = [-int(x) for x in input().split()]
heapq.heapify(h)
for i in range(m):
    x = heapq.heappop(h)
    heapq.heappush(h, -(-x//2))
z = 0
print(-sum(h))
Buggy python submission (verdict: Runtime Error):
import sys
sys.setrecursionlimit(100000)
n=int(input())
v=sorted(list(map(float,input().split())))
x=-1
y=-1
z=10000.0
while True:
    for i in range(n-1):
        if v[i+1]-v[i] < z:
            x=i+1
            y=i
            z=v[i+1]-v[i]
    v[y]=(v[x]+v[y])/2
    del(v[x])
    v=sorted(v)
    n=len(v)
    if n==1:
        print(v[0])
        break

Fixed submission:
n=int(input())
v=sorted(list(map(float,input().split())))
z = v[0]
for i in range(1,n):
    z=(z+v[i])/2
print(z)

Buggy python submission (verdict: Runtime Error):
import sys
sys.setrecursionlimit(1000)
n=int(input())
v=sorted(list(map(float,input().split())))
x=-1
y=-1
z=10000.0
while True:
    for i in range(n-1):
        if v[i+1]-v[i] < z:
            x=i+1
            y=i
            z=v[i+1]-v[i]
    v[y]=(v[x]+v[y])/2
    del(v[x])
    v=sorted(v)
    n=len(v)
    if n==1:
        print(v[0])
        break

Fixed submission:
n=int(input())
v=sorted(list(map(float,input().split())))
z = v[0]
for i in range(1,n):
    z=(z+v[i])/2
print(z)

Buggy python submission (verdict: Runtime Error):
n=int(input())
v=sorted(list(map(float,input().split())))
x=-1
y=-1
z=10000.0
while True:
    for i in range(n-1):
        if v[i+1]-v[i] < z:
            x=i+1
            y=i
            z=v[i+1]-v[i]
    v[y]=(v[x]+v[y])/2
    del(v[x])
    v=sorted(v)
    n=len(v)
    if n==1:
        print(v[0])
        break

Fixed submission:
n=int(input())
v=sorted(list(map(float,input().split())))
z = v[0]
for i in range(1,n):
    z=(z+v[i])/2
print(z)

Buggy python submission (verdict: Runtime Error):
n=int(input())
v=sorted(list(map(float,input().split())))
x=-1
y=-1
z=10000
for k in range(n-1):
    for i in range(n-1):
        if v[i+1]-v[i] < z:
            x=i+1
            y=i
            z=v[i+1]-v[i]
    v[y]=(v[x]+v[y])/2
    del(v[x])
    v=sorted(v)
    n=len(v)
print(v[0])

Fixed submission:
n=int(input())
v=sorted(list(map(float,input().split())))
z = v[0]
for i in range(1,n):
    z=(z+v[i])/2
print(z)

Buggy python submission (verdict: Runtime Error):
n=int(input())
v=sorted(list(map(float,input().split())))
x=-1
y=-1
z=10000
for k in range(n-1):
    for i in range(n-1):
        if v[i+1]-v[i] < z:
            x=i+1
            y=i
            z=v[i+1]-v[i]
    v[y]=(v[x]+v[y])/2
    del(v[x])
    n=len(v)
print(v[0])

Fixed submission:
n=int(input())
v=sorted(list(map(float,input().split())))
z = v[0]
for i in range(1,n):
    z=(z+v[i])/2
print(z)
Buggy python submission (verdict: Runtime Error):
import math
A, B, C, D = (int(x) for x in input().split())
x = (B // C) - (A // C)
x += (B // D) - (A // D)
lcm = (C * D) // math.gcd(C, D)
x -= (B // lcm) - (A // lcm)
print((B - A + 1) - x)

Fixed submission:
import fractions
A, B, C, D = (int(x) for x in input().split())
x = (B // C) - ((A - 1) // C)
x += (B // D) - ((A - 1) // D)
lcm = (C * D) // fractions.gcd(C, D)
x -= (B // lcm) - ((A - 1) // lcm)
print((B - A + 1) - x)
Buggy python submission (verdict: Runtime Error):
N = int(input())
A = [0] * N
B = [0] * N
AB = [0] * N
BA = [0] * N
need = {}
for i in range(N):
    A[i], B[i] = [int(x) for x in input().split()]
    need[B[i]] = A[i]
    BA[i] = [B[i], A[i]]
list.sort(BA)
t = 0
fail = 0
for n in range(N):å
    t += BA[n][1]
    if t > BA[n][0]:
        fail = 1
        break
if fail:
    print('No')
else:
    print('Yes')

Fixed submission:
N = int(input())
A = [0] * N
B = [0] * N
AB = [0] * N
BA = [0] * N
for i in range(N):
    A[i], B[i] = [int(x) for x in input().split()]
    BA[i] = [B[i], A[i]]
list.sort(BA)
t = 0
fail = 0
for n in range(N):
    t += BA[n][1]
    if t > BA[n][0]:
        fail = 1
        break
if fail:
    print('No')
else:
    print('Yes')
Buggy python submission (verdict: Runtime Error):
N, M = (int(x) for x in input().split())
A = [int(x) for x in input().split()]
B = [0] * M
C = [0] * M
Bsum = 0
for i in range(M):
    B[i], C[i] = (int(x) for x in input().split())
    Bsum += B[i]

Fixed submission:
N, M = (int(x) for x in input().split())
Lmax = -1
Rmin = N + 1
for i in range(M):
    L, R = (int(x) for x in input().split())
    if Lmax < L:
        Lmax = L
    if Rmin > R:
        Rmin = R
if (Rmin - Lmax) >= 0:
    print(Rmin - Lmax + 1)
else:
    print(0)
Buggy python submission (verdict: Runtime Error):
N, M = (int(x) for x in input().split())
A = [int(x) for x in input().split()]
B = [0] * M
C = [0] * M
Bsum = 0
for i in range(M):
    B[i], C[i] = (int(x) for x in input().split())
    Bsum += B[i]
C_ = [0] * Bsum
k = 0
for i in sorted(range(len(C)), key=lambda k: C[k], reverse=True):
        for j in range(B[i]):
            C_[k] = C[i]
            k += 1
Ia = sorted(range(len(A)-1,-1,-1), key=lambda k: A[k])
S = 0
j = 0 # index for A
for i in range(min(Bsum, N)):
    if C_[i] > A[Ia[j]]:
        S += C_[i]
        j += 1
    else:
        S += A[Ia[j]]
        j += 1
    if j == N:
        break
for k in range(j, N):
    S += A[Ia[k]]

print(S)

Fixed submission:
N, M = (int(x) for x in input().split())
A = [int(x) for x in input().split()]
cb = [0] * M
for i in range(M):
    b, c = [int(x) for x in input().split()]
    cb[i] = [c, b]
list.sort(cb, reverse=True)

D = [0] * N
k = 0
for i in range(M):
    for j in range(cb[i][1]):
        if k < N:
            D[k] = cb[i][0]
            k += 1
        else:
            i = M
            break

S = 0
list.sort(A)
for i in range(N):
    if D[i] > A[i]:
        S += D[i]
    else:
        S += A[i]
print(S)
Buggy python submission (verdict: Runtime Error):
A, B, T = int(x) for x in input().split()

print((T//A)*B)

Fixed submission:
A, B, T = (int(x) for x in input().split())
 
print((T//A)*B)
Buggy python submission (verdict: Runtime Error):
#ABC124-C 別解
S = input()
c = 0
zo = 0
oz = 0
for i in range(0, len(S), 2):
    if S[i] == '0':
        oz += 1
    else:
        zo += 1
    if S[i+1] == '0':
        zo += 1
    else:
        oz += 1
if len(S) & 1:
    if S[-1] == '0':
        oz += 1
print(min(oz, zo))

Fixed submission:
S = input()
p01 = 0
p10 = 0
p00 = 0
p11 = 0
for i in range(0, (len(S)//2 * 2), 2):
    if S[i:i+2] == '01':
        p01 += 1
    elif S[i:i+2] == '10':
        p10 += 1
    elif S[i:i+2] == '00':
        p00 += 1
    else:
        p11 += 1
#print(p01,p10,p00,p11)
c = 0
if (p01 == 0) and (p10 == 0):
    c = len(S) // 2
elif p01 >= p10:
    c = p10 * 2 + p00 + p11
    if len(S) & 1:
        if S[-1] == S[-2]:
            c += 1
else:
    c = p01 * 2 + p00 + p11
    if len(S) & 1:
        if S[-1] == S[-2]:
            c += 1
print(c)
Buggy python submission (verdict: Runtime Error):
A = [0] * 5
A[0] = int(input())
A[1] = int(input())
A[2] = int(input())
A[3] = int(input())
A[4] = int(input())
ans = 0
min1 = 10
for i in range(0,5):
    m = A[i] % 10
    if ((m > 0) and (m < min1)):
        min1 = m        
    ans += math.ceil(A[i] / 10) * 10
print(ans - (10 - min1))


Fixed submission:
import math
A = [0] * 5
A[0] = int(input())
A[1] = int(input())
A[2] = int(input())
A[3] = int(input())
A[4] = int(input())
ans = 0
min1 = 10
for i in range(0,5):
    m = A[i] % 10
    if ((m > 0) and (m < min1)):
        min1 = m        
    ans += math.ceil(A[i] / 10) * 10
print(ans - (10 - min1))
Buggy python submission (verdict: Runtime Error):
N = int(input())
A = [0] * 5
A[0] = int(input())
A[1] = int(input())
A[2] = int(input())
A[3] = int(input())
A[4] = int(input())
print(math.ceil(N / min(A)) * (mi + 1) + 4)

Fixed submission:
import math
N = int(input())
A = [0] * 5
A[0] = int(input())
A[1] = int(input())
A[2] = int(input())
A[3] = int(input())
A[4] = int(input())
print(math.ceil(N / min(A)) + 4)

Buggy python submission (verdict: Runtime Error):
N = int(input())
A = [0] * 5
A[0] = int(input())
A[1] = int(input())
A[2] = int(input())
A[3] = int(input())
A[4] = int(input())
mi = 0
mA = 1e18
for i in range(0,5):
    if (A[i] < mA):
        mA = A[i]
        mi = i
print(math.ceil(N / mA) * (mi + 1) + 4)

Fixed submission:
import math
N = int(input())
A = [0] * 5
A[0] = int(input())
A[1] = int(input())
A[2] = int(input())
A[3] = int(input())
A[4] = int(input())
print(math.ceil(N / min(A)) + 4)

Buggy python submission (verdict: Runtime Error):
from math import ceil
N = int(input())
A = [0] * 5
A[0] = int(input())
A[1] = int(input())
A[2] = int(input())
A[3] = int(input())
A[4] = int(input())
mi = 0
mA = 1e18
for i in range(0,5):
    if (A[i] < mA):
        mA = A[i]
        mi = i
print(math.ceil(N / mA) * (mi + 1) + 4)

Fixed submission:
import math
N = int(input())
A = [0] * 5
A[0] = int(input())
A[1] = int(input())
A[2] = int(input())
A[3] = int(input())
A[4] = int(input())
print(math.ceil(N / min(A)) + 4)

Buggy python submission (verdict: Runtime Error):
N = int(input())
A[0] = int(input())
A[1] = int(input())
A[2] = int(input())
A[3] = int(input())
A[4] = int(input())
mi = 0
mA = 1e16
for i in range(5):
    if (A[i] < mA):
        mA = A[i]
        mi = i
print((N // A[mi]) + (5 - mi) + mi)


Fixed submission:
import math
N = int(input())
A = [0] * 5
A[0] = int(input())
A[1] = int(input())
A[2] = int(input())
A[3] = int(input())
A[4] = int(input())
print(math.ceil(N / min(A)) + 4)
Buggy python submission (verdict: Runtime Error):
s = input()
z = ''
ans = ''
for i in range(len(s)):
  if s[i] in 'ACGT':
    z = s[i]
	for j in range(i+1, len(s)):
      if s[j] in 'ACGT':
        z += s[j]
      else:
        if len(s) > len(ans):
          ans = s
        z = ''
  else:
    continue
print(ans)

Fixed submission:
s = input()
z = ''
ans = 0
for i in range(len(s)):
    if s[i] in 'ACGT':
        ans = max(ans, 1)
        for j in range(i+1, len(s)):
            if s[j] in 'ACGT':
                ans = max(ans, j-i+1)
            else:
                break
    else:
        continue
print(ans)

Buggy python submission (verdict: Runtime Error):
S = input()
max = 0
for i in range(len(S)):
    if S[i] in 'ACGT':
        for j in range(i+1, len(S)):
            if not S[j] in 'ACGT':
                break
        max = (j - i) if max < (j - i) else max 
print(max)


Fixed submission:
s = input()
z = ''
ans = 0
for i in range(len(s)):
    if s[i] in 'ACGT':
        ans = max(ans, 1)
        for j in range(i+1, len(s)):
            if s[j] in 'ACGT':
                ans = max(ans, j-i+1)
            else:
                break
    else:
        continue
print(ans)

Buggy python submission (verdict: Runtime Error):
S = input()
max = 0
for i in range(len(S)):
    if S[i] in 'ACGT':
        for j in range(i+1, len(S)):
            if S[j] not in 'ACGT':
                break
        max = (j - i) if max < (j - i) else max 
print(max)

Fixed submission:
s = input()
z = ''
ans = 0
for i in range(len(s)):
    if s[i] in 'ACGT':
        ans = max(ans, 1)
        for j in range(i+1, len(s)):
            if s[j] in 'ACGT':
                ans = max(ans, j-i+1)
            else:
                break
    else:
        continue
print(ans)

Buggy python submission (verdict: Runtime Error):
S = input()
max = 0
for i in range(len(S)):
    if S[i] in 'ACGT':
        for j in range(i+1, len(S)):
            if S[j] not in ['A', 'C', 'G', 'T']:
                break
        max = (j - i) if max < (j - i) else max 
print(max)

Fixed submission:
s = input()
z = ''
ans = 0
for i in range(len(s)):
    if s[i] in 'ACGT':
        ans = max(ans, 1)
        for j in range(i+1, len(s)):
            if s[j] in 'ACGT':
                ans = max(ans, j-i+1)
            else:
                break
    else:
        continue
print(ans)
Buggy python submission (verdict: Runtime Error):
N, Q = (int(x) for x in input().split())
S = input()
lr = [[0 for x in range(2)] for y in range(Q)]
for i in range(Q):
    lr[i] = [int(x) for x in input().split()]

a_loc = set()
for i in range(len(S)):
    if (S[i] == 'A') and (S[i+1] == 'C'):
        a_loc.add(i)
ans = [0] * Q

for i in range(Q):
    l,r = (lr[i][0], lr[i][1])
    num = 0
    for j in range(l-1, r-1):
        if j in a_loc:
            num += 1
    ans[i] = num

for i in range(Q):
    print(ans[i])

Fixed submission:
N, Q = (int(x) for x in input().split())
S = input()

a_loc = [0] * (N + 1)
for i in range(N):
    a_loc[i+1] = a_loc[i] + (1 if S[i:i+2] == 'AC' else 0)

ans = [0] * Q
for i in range(Q):
    l, r = (int(x) for x in input().split())
    ans[i] = a_loc[r-1] - a_loc[l-1]
    
for i in range(Q):
    print(ans[i])

Buggy python submission (verdict: Time Limit Exceeded):
N, Q = (int(x) for x in input().split())
S = input()

a_loc = set()
for i in range(len(S)):
    if S[i:i+2] == 'AC':
        a_loc.add(i)
ans = [0]*Q
for i in range(Q):
    l, r = (int(x) for x in input().split())
    num = 0
    for j in range(l-1, r-1):
        if j in a_loc:
            num += 1
    ans[i] = num

for i in range(Q):
    print(ans[i])

Fixed submission:
N, Q = (int(x) for x in input().split())
S = input()

a_loc = [0] * (N + 1)
for i in range(N):
    a_loc[i+1] = a_loc[i] + (1 if S[i:i+2] == 'AC' else 0)

ans = [0] * Q
for i in range(Q):
    l, r = (int(x) for x in input().split())
    ans[i] = a_loc[r-1] - a_loc[l-1]
    
for i in range(Q):
    print(ans[i])

Buggy python submission (verdict: Time Limit Exceeded):
N, Q = (int(x) for x in input().split())
S = input()

a_loc = set()
for i in range(len(S)):
    if S[i:i+2] == 'AC':
        a_loc.add(i)
ans = []
for i in range(Q):
    l, r = (int(x) for x in input().split())
    num = 0
    for j in range(l-1, r-1):
        if j in a_loc:
            num += 1
    ans.append(num)

for i in range(Q):
    print(ans[i])


Fixed submission:
N, Q = (int(x) for x in input().split())
S = input()

a_loc = [0] * (N + 1)
for i in range(N):
    a_loc[i+1] = a_loc[i] + (1 if S[i:i+2] == 'AC' else 0)

ans = [0] * Q
for i in range(Q):
    l, r = (int(x) for x in input().split())
    ans[i] = a_loc[r-1] - a_loc[l-1]
    
for i in range(Q):
    print(ans[i])

Buggy python submission (verdict: Time Limit Exceeded):
N, Q = (int(x) for x in input().split())
S = input()
lr = [[0 for i in range(2)] for j in range(Q)]
ans = []
for i in range(Q):
    # lr[i][0], lr[i][1] = (int(x) for x in input().split())
    l, r = (int(x) for x in input().split())
    l -= 1
    r -= 1
    num = 0
    for j in range(l, r):
        if S[j:j+2] == 'AC':
            num += 1
    ans.append(num)
for i in range(Q):
    print(ans[i])


Fixed submission:
N, Q = (int(x) for x in input().split())
S = input()

a_loc = [0] * (N + 1)
for i in range(N):
    a_loc[i+1] = a_loc[i] + (1 if S[i:i+2] == 'AC' else 0)

ans = [0] * Q
for i in range(Q):
    l, r = (int(x) for x in input().split())
    ans[i] = a_loc[r-1] - a_loc[l-1]
    
for i in range(Q):
    print(ans[i])
Buggy python submission (verdict: Time Limit Exceeded):
A, B = map(int, input().split())

xor = 0
for i in range(A, B+1):
    xor = xor ^ i
print(xor)

Fixed submission:
A, B = map(int, input().split())

def f(x):
    # 下2桁が00,01,10,11となる連続する数のxorは消滅するので考えなくてよい
    xi = (x >> 2) << 2
    xlsb2 = x & 0x3

    if xlsb2 == 0:
        return(xi)
    elif xlsb2 == 1:
        return(1)
    elif xlsb2 == 2:
        return(xi + 3)
    else:
        return(0)

print(f(A-1) ^ f(B))