Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Time Limit Exceeded):
r,c,n = map(int,input().split())
a = [list(map(int, input().split())) for _ in range(n)]
iru = []
for i in range(n):
  if ((a[i][0] == 0 or a[i][0] == r or a[i][1] == 0 or a[i][1] == c) and (a[i][2] == 0 or a[i][2] == r or a[i][3] == 0 or a[i][3] == c)):
    iru.append(a[i])
if len(iru) <= 1:
  print("YES")
else:
  for i in range(len(iru)):
    b = iru[i]
    b1 = [b[0],b[1]]
    b2 = [b[2],b[3]]
    if b1[0] == 0:
      b1 = b1[1]
    elif b1[1] == c:
      b1 = b1[0] + b1[1]
    elif b1[0] == r:
      b1 = c*2 +r-1 -b1[1]
    else:
      b1 = c*2 + r*2 -2 - b1[0]
      
    if b2[0] == 0:
      b2 = b2[1]
    elif b2[1] == c:
      b2 = b2[0] + b2[1]
    elif b2[0] == r:
      b2 = c*2 +r-1 -b2[1]
    else:
      b2 = c*2 + r*2 -2 - b2[0]
    if b1 > b2:
      tmp = b1 +0
      b1 = b2 +0
      b2 = tmp + 0
    for j in range(i+1,len(iru)):
      d = iru[j]
      d1 = [d[0],d[1]]
      d2 = [d[2],d[3]]
      if d2[0] == 0:
        d2 = d2[1]
      elif d2[1] == c:
        d2 = d2[0] + d2[1]
      elif d2[0] == r:
        d2 = c*2 +r-1 -d2[1]
      else:
        d2 = c*2 + r*2 -2 - d2[0]
      
      if d1[0] == 0:
        d1 = d1[1]
      elif d1[1] == c:
        d1 = d1[0] + d1[1]
      elif d1[0] == r:
        d1 =  c*2 +r-1 -d1[1]
      else:
        d1 = c*2 + r*2 -2 - d1[0]
      if d1 > d2:
        tmp = d1 +0
        d1 = d2 +0
        d2 = tmp + 0
      if (b1 <= d1 and d1 <= b2 and b2 <= d2):
        print("NO")
        exit()
      elif (d1 <= b1 and b1 <= d2 and d2 <= b2):
        print("NO")
        exit()
  print("YES")     

Fixed submission:
r,c,n = map(int,input().split())
a = [list(map(int, input().split())) for _ in range(n)]
iru = []
for i in range(n):
  if ((a[i][0] == 0 or a[i][0] == r or a[i][1] == 0 or a[i][1] == c) and (a[i][2] == 0 or a[i][2] == r or a[i][3] == 0 or a[i][3] == c)):
    b = a[i]
    b1 = [b[0],b[1]]
    b2 = [b[2],b[3]]
    if b1[0] == 0:
      b1 = b1[1]
    elif b1[1] == c:
      b1 = b1[0] + b1[1]
    elif b1[0] == r:
      b1 = c +r+c -b1[1]
    else:
      b1 = c*2 + r*2 - b1[0]
      
    if b2[0] == 0:
      b2 = b2[1]
    elif b2[1] == c:
      b2 = b2[0] + b2[1]
    elif b2[0] == r:
      b2 = c*2 +r -b2[1]
    else:
      b2 = c*2 + r*2 - b2[0]
    if b1 > b2:
      tmp = b1 +0
      b1 = b2 +0
      b2 = tmp + 0
    iru.append([b1,b2])
iru = sorted(iru)
ato = 0
stack = [r+r+c+c]
flag = 'YES'
for a,b in iru:
  while a >= stack[-1]:
    stack.pop()
 
  if b > stack[-1]:
    flag = 'NO'
    break
  else:
    stack.append(b)
 
print(flag)
Buggy python submission (verdict: Runtime Error):
n,m = map(int,input().split())
ans = [0]*n
for i in range(m):
  a,b = map(int,input().split())
  a-=1,b-=1
  ans[a] +=1
  ans[b] +=1
for i in range(n):
  if ans[i]%2 ==1:
    print("NO")
    exit()
print("YES")

Fixed submission:
n,m = map(int,input().split())
ans = [0]*n
for i in range(m):
  a,b = map(int,input().split())
  a-=1;b-=1
  ans[a] +=1
  ans[b] +=1
for i in range(n):
  if ans[i]%2 ==1:
    print("NO")
    exit()
print("YES")
Buggy python submission (verdict: Runtime Error):
h,w,k = map(int,input().split())
a = []
for i in range(h):
  b = input()
  tmp = []
  for j in range(w):
    tmp.append(b[j])
    if b[j] == "S":
      sx = i
      sy = j
  a.append(tmp)
ma = [[0]*w for i in range(h)]
def dfs(x,y):
  if ma[x][y] == 1:
    return
  ma[x][y] = 1
  if x > 0 and a[x-1][y]== ".":
    dfs(x-1,y)
  if y > 0 and a[x][y-1]== ".":
    dfs(x,y-1)
  if x <h-1 and a[x+1][y]==".":
    dfs(x+1,y)
  if y <w-1 and a[x][y+1]==".":
    dfs(x,y+1)
dfs(sx,sy)
ans = float("inf")
for i in range(h):
  for j in range(w):
    if ma[i][j] == 1:
      ans = min(ans,1+(h-i-1)//k+ (1 if (h-i-1)%k else 0),1+(w-j-1)//k+ (1 if (w-j-1)%k else 0),
               1+(i)//k+ (1 if (i)%k else 0),1+(j)//k+ (1 if (j)%k else 0))
print(ans)

Fixed submission:
from collections import deque
h,w,k = map(int,input().split())
a = []
for i in range(h):
  b = input()
  tmp = []
  for j in range(w):
    tmp.append(b[j])
    if b[j] == "S":
      sx = i
      sy = j
  a.append(tmp)
ma = [[0]*w for i in range(h)]
def dfs(x,y,z):
  if ma[x][y] == 1:
    return
  if z>k:
    return
  ma[x][y] = 1
  if x > 0 and a[x-1][y]== ".":
    que.append([x-1,y,z+1])
  if y > 0 and a[x][y-1]== ".":
    que.append([x,y-1,z+1])
  if x <h-1 and a[x+1][y]==".":
    que.append([x+1,y,z+1])
  if y <w-1 and a[x][y+1]==".":
    que.append([x,y+1,z+1])
que = deque([[sx,sy,0]])
while que:
  x,y,z = que.popleft()
  dfs(x,y,z)
ans = float("inf")
for i in range(h):
  for j in range(w):
    if ma[i][j] == 1:
      ans = min(ans,1+(h-i-1)//k+ (1 if (h-i-1)%k else 0),1+(w-j-1)//k+ (1 if (w-j-1)%k else 0),
               1+(i)//k+ (1 if (i)%k else 0),1+(j)//k+ (1 if (j)%k else 0))
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
import numpy as np
n,w = map(int,input().split())
x = []
for i in range(n):
    x1,y1=[int(i) for i in input().split()]
    if i == 0:
      ti = x1
      zero = 0
      iti = 0
      ni = 0
      san = 0
    if x1 == ti:
      zero += 1
    elif x1 == ti+1:
      iti += 1
    elif x1 == ti+2:
      ni += 1
    else:
      san +=1
    x.append([x1,y1])
x.sort()
zer = x[:zero]
one = x[zero:iti+zero]
two = x[iti+zero:iti+ni+zero]
three = x[iti+ni+zero:zero+iti+ni+san]
zer.append([0,0])
one.append([0,0])
two.append([0,0])
three.append([0,0])
zer = sorted(zer,key = lambda x: -x[1])
one = sorted(one,key = lambda x: -x[1])
two = sorted(two,key = lambda x: -x[1])
three = sorted(three,key = lambda x: -x[1])
ans = 0
zer = np.array(zer)
one = np.array(one)
two = np.array(two)
three = np.array(three)
for i in range(len(zer)):
  for j in range(len(one)):
    for k in range(len(two)):
      for l in range(len(three)):
        omo = sum(zer[:i,0]) + sum(one[:j,0]) + sum(two[:k,0]) + sum(three[:l,0])
        kati  = sum(zer[:i,1]) + sum(one[:j,1]) + sum(two[:k,1]) + sum(three[:l,1])
        if omo <= w:
          ans = max(ans,kati)
print(ans)

Fixed submission:
n,w = map(int,input().split())
x = []
for i in range(n):
    x1,y1=[int(i) for i in input().split()]
    if i == 0:
      ti = x1
      zero = 0
      iti = 0
      ni = 0
      san = 0
    if x1 == ti:
      zero += 1
    elif x1 == ti+1:
      iti += 1
    elif x1 == ti+2:
      ni += 1
    else:
      san +=1
    x.append([x1,y1])
x.sort()
zer = x[:zero]
one = x[zero:iti+zero]
two = x[iti+zero:iti+ni+zero]
three = x[iti+ni+zero:zero+iti+ni+san]
zer.append([0,0])
one.append([0,0])
two.append([0,0])
three.append([0,0])
zer = sorted(zer,key = lambda x: -x[1])
one = sorted(one,key = lambda x: -x[1])
two = sorted(two,key = lambda x: -x[1])
three = sorted(three,key = lambda x: -x[1])
ans = 0
zer0 = [0]* len(zer)+ [0]
one0 = [0]* len(one)+ [0]
two0 = [0]* len(two)+ [0]
three0 = [0]* len(three)+ [0]
zerk = [0]* len(zer)+ [0]
onek = [0]* len(one)+ [0]
twok = [0]* len(two)+ [0]
threek = [0]* len(three)+ [0]
for i in range(1,len(zer)+1):
  zer0[i] = zer0[i-1] + zer[i-1][0]
  zerk[i] = zerk[i-1] + zer[i-1][1]
for i in range(1,len(one)+1):
  one0[i] = one0[i-1] + one[i-1][0]
  onek[i] = onek[i-1] + one[i-1][1]
for i in range(1,len(two)+1):
  two0[i] = two0[i-1] + two[i-1][0]
  twok[i] = twok[i-1] + two[i-1][1]
for i in range(1,len(three)+1):
  three0[i] = three0[i-1] + three[i-1][0]
  threek[i] = threek[i-1] + three[i-1][1]
for i in range(len(zer)):
  for j in range(len(one)):
    for k in range(len(two)):
      for l in range(len(three)):
        omo = zer0[i] + one0[j] + two0[k] + three0[l]
        kati  = zerk[i] + onek[j] + twok[k] + threek[l]
        if omo <= w:
          ans = max(ans,kati)
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
n,m = map(int,input().split())
mod = 1000000007
x = list(map(int,input().split()))
y = list(map(int,input().split()))
ya = [0] * (m-1)
for i in range(m-1):
  ya[i] = y[i+1] - y[i]
ans = 0
for i in range(n-1):
  for j in range(m-1):
    ans += (x[i+1] - x[i]) * ya[j] *(i+1)*(j+1)*(n-i-1)*(m-j-1)
    ans = ans%mod
print(ans)

Fixed submission:
n,m = map(int,input().split())
mod = 1000000007
x = list(map(int,input().split()))
y = list(map(int,input().split()))
xa = 0
ya = 0
for i in range(m):
  ya += (i)*y[i] -(m-i-1) *y[i]
for i in range(n):
  xa += (i)*x[i] -(n-i-1) *x[i]
print(ya*xa%mod)
Buggy python submission (verdict: Time Limit Exceeded):
n,m = map(int,input().split())
p = [list(map(int,input().split())) for i in range(m)]
q = int(input())
v = [list(map(int,input().split())) for i in range(q)]
v = v[::-1]
l = [[] for i in range(n+1)]
for pi in p:  
    l[pi[0]].append(pi[1])
    l[pi[1]].append(pi[0])
mita = [-1]*(n+1)
tugi = [set() for i in range(n+1)]
iro = [0] *(n+1)
def dfs(x,y,z):
  if iro[x] == 0:
    iro[x] = z
  if mita[x] >=y:
    return
  for i in l[x]:
    if y-1>=0:
      dfs(i,y-1,z)
for ch in v:
  dfs(ch[0],ch[1],ch[2])
for i in range(1,n+1):
  print(iro[i])

Fixed submission:
n,m = map(int,input().split())
p = [list(map(int,input().split())) for i in range(m)]
q = int(input())
v = [list(map(int,input().split())) for i in range(q)]
v = v[::-1]
l = [[] for i in range(n+1)]
for pi in p:  
    l[pi[0]].append(pi[1])
    l[pi[1]].append(pi[0])
mita = [-1]*(n+1)
tugi = [set() for i in range(n+1)]
iro = [0] *(n+1)
def dfs(x,y,z):
  if iro[x] == 0:
    iro[x] = z
  if mita[x] >=y:
    return
  for i in l[x]:
    if y-1>=0:
      dfs(i,y-1,z)
  mita[x] = y
for ch in v:
  dfs(ch[0],ch[1],ch[2])
for i in range(1,n+1):
  print(iro[i])
Buggy python submission (verdict: Runtime Error):
n = int(input())
a = list(map(int,input().split()))
g = [[]for i in range(n)]
for i in range(n-1):
  x,y = map(int,input().split())
  x-=1;y-=1
  g[x].append(y)
  g[y].append(x)
used = [0]*n
ue = [0]*n
for i in range(n):
  if len(g[i])== 1:
    ne = i
    break
huka = [0]*n
def dfs(x,y,z):
  if used[x]:
    return 0
  used[x] = 1
  huka[x] = y
  ue[x] = z
  for ix in g[x]:
    dfs(ix,y+1,x)
dfs(ne,0,-1)
for i in range(n):
  huka[i] = [huka[i],i]
huka.sort(key=lambda x:-x[0])
hen = [0]*(n)
for i in range(n-1):
  x = huka[i][1]
  if len(g[x]) == 1:
    hen[x] = a[x]
    hen[ue[x]] += hen[x]
    if hen[x] > a[ue[x]]:
      print("NO")
      exit()
    continue
  hen[x] = a[x]*2-hen[x]
  hen[ue[x]] += hen[x]
  if hen[x] > a[ue[x]]:
    print("NO")
    exit()
  if hen[x] <0:
    print("NO")
    exit()
if hen[ne] != a[ne]:
  print("NO")
else:
  print("YES")

Fixed submission:
import sys
sys.setrecursionlimit(10**6)
n = int(input())
a = list(map(int,input().split()))
g = [[]for i in range(n)]
for i in range(n-1):
  x,y = map(int,input().split())
  x-=1;y-=1
  g[x].append(y)
  g[y].append(x)
used = [0]*n
ue = [0]*n
for i in range(n):
  if len(g[i])== 1:
    ne = i
    break
huka = [0]*n
def dfs(x,y,z):
  if used[x]:
    return 0
  used[x] = 1
  huka[x] = y
  ue[x] = z
  for ix in g[x]:
    dfs(ix,y+1,x)
dfs(ne,0,-1)
for i in range(n):
  huka[i] = [huka[i],i]
huka.sort(key=lambda x:-x[0])
hen = [0]*(n)
for i in range(n-1):
  x = huka[i][1]
  if len(g[x]) == 1:
    hen[x] = a[x]
    hen[ue[x]] += hen[x]
    if hen[x] > a[ue[x]]:
      print("NO")
      exit()
    continue
  hen[x] = a[x]*2-hen[x]
  hen[ue[x]] += hen[x]
  if hen[x] > a[ue[x]] or hen[x]>a[x]:
    print("NO")
    exit()
  if hen[x] <0:
    print("NO")
    exit()
if hen[ne] != a[ne]:
  print("NO")
else:
  print("YES")
Buggy python submission (verdict: Time Limit Exceeded):
import sys
class UnionFind():
    def __init__(self,size):
        self.table = [-1 for _  in range(size)]
    def find(self,x):
        while self.table[x] >= 0:
            x = self.table[x]
        return x

    def union(self,x,y):
        s1 = self.find(x)
        s2 = self.find(y)
        if s1 != s2:
            if self.table[s1] != self.table[s2]:
                if self.table[s1] < self.table[s2]:
                    self.table[s2] = s1
                else:
                    self.table[s1] = s2
            else:
                self.table[s1] += -1
                self.table[s2] = s1
        return
n,k,l = map(int, sys.stdin.readline().split())
p = []
for i in range(k):
    p.append(list(map(int, input().split())))
do = [[] for i in range(n+1)]
for pi in p:  #0-originedに注意
    do[pi[0]].append(pi[1])
    do[pi[1]].append(pi[0])
p = []
for i in range(l):
    p.append(list(map(int, input().split())))
te = [[] for i in range(n+1)]
for pi in p:  #0-originedに注意
    te[pi[0]].append(pi[1])
    te[pi[1]].append(pi[0])
dou = UnionFind(n)
for i in range(n+1):
  a = do[i]
  for j in a:
    dou.union(i-1,j-1)
douro = [-1] * n
for i in range(n):
  douro[i] = dou.find(i)
tet = UnionFind(n)
for i in range(n+1):
  a = te[i]
  for j in a:
    tet.union(i-1,j-1)
tetu = [-1] * n
for i in range(n):
  tetu[i] = tet.find(i)
pair = [[0,0]for i in range(n)]
for i in range(n):
  pair[i] = (douro[i],tetu[i])
from collections import defaultdict
d = defaultdict(int)
for i in range(n):
  d[pair[i]] += 1
ans = []
for i in range(n):
  ans.append(d[pair[i]])
print(" ".join(map(str,ans)))

Fixed submission:
import sys
from collections import defaultdict
class UnionFind():
    def __init__(self,size):
        self.table = [-1 for _  in range(size)]
    def find(self,x):
        while self.table[x] >= 0:
            x = self.table[x]
        return x

    def union(self,x,y):
        s1 = self.find(x)
        s2 = self.find(y)
        if s1 != s2:
            if self.table[s1] != self.table[s2]:
                if self.table[s1] < self.table[s2]:
                    self.table[s2] = s1
                else:
                    self.table[s1] = s2
            else:
                self.table[s1] += -1
                self.table[s2] = s1
        return
n,k,l = map(int, sys.stdin.readline().split())
p = []
for i in range(k):
    p.append(list(map(int, input().split())))
do = [[] for i in range(n+1)]
for pi in p:  #0-originedに注意
    do[pi[0]].append(pi[1])
p = []
for i in range(l):
    p.append(list(map(int, input().split())))
te = [[] for i in range(n+1)]
for pi in p:  #0-originedに注意
    te[pi[0]].append(pi[1])
dou = UnionFind(n)
for i in range(n+1):
  a = do[i]
  for j in a:
    dou.union(i-1,j-1)
douro = [-1] * n
for i in range(n):
  douro[i] = dou.find(i)
tet = UnionFind(n)
for i in range(n+1):
  a = te[i]
  for j in a:
    tet.union(i-1,j-1)
tetu = [-1] * n
for i in range(n):
  tetu[i] = tet.find(i)
d = defaultdict(int)
for i in range(n): 
  d[(douro[i],tetu[i])] += 1
ans = []
for i in range(n):
  ans.append(d[(douro[i],tetu[i])])
print(" ".join(map(str,ans)))
Buggy python submission (verdict: Time Limit Exceeded):
import math
import heapq
xs,ys,xg,yg= map(int,input().split())
n = int(input())
c = [[-1,xs,ys,0]]
for i in range(n):
    x,y,r = map(int,input().split())
    c.append([max(math.sqrt(abs(xs-x)**2+abs(ys-y)**2)-r,0),x,y,r])
c.sort()
dp  = [float("inf")]*(n+1)
dp[0] = 0
q = []
heapq.heappush(q, (0, xs,ys,0))
while len(q) != 0:
    o,x,y,r = heapq.heappop(q)
    for j in range(n+1):
        _,x2,y2,r2 = c[j]
        ima = o+max(0,math.sqrt(abs(x2-x)**2+abs(y2-y)**2)-r-r2)
        if dp[j] > ima:
            dp[j] = ima
            heapq.heappush(q, (ima,x2,y2,r2))
ans = float("inf")
for i in range(n+1):
    _,x,y,r = c[i]
    ans = min(dp[i]+max(0,math.sqrt(abs(xg-x)**2+abs(yg-y)**2)-r),ans)
print(ans)

Fixed submission:
import math
xs,ys,xg,yg= map(int,input().split())
n = int(input())
c = [[-1,xs,ys,0]]
for i in range(n):
    x,y,r = map(int,input().split())
    c.append([max(math.sqrt(abs(xs-x)**2+abs(ys-y)**2)-r,0),x,y,r])
dp  = [float("inf")]*(n+1)
dp[0] = 0
used = [0]*(n+1)
for i in range(n+1):
    a = float("inf");b=-1
    for j in range(n+1):
        if used[j]:continue
        if a > dp[j]:
            a = dp[j];b = j
    used[b] = 1
    g = b
    _,x,y,r = c[b]
    for j in range(n+1):
        if used[j]:
            continue
        _,x2,y2,r2 = c[j]
        ima = dp[g]+max(0,math.sqrt(abs(x2-x)**2+abs(y2-y)**2)-r-r2)
        if ima < dp[j]:
            dp[j] = ima
ans = float("inf")
for i in range(n+1):
    _,x,y,r = c[i]
    ans = min(dp[i]+max(0,math.sqrt(abs(xg-x)**2+abs(yg-y)**2)-r),ans)
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
s = input()
a = []
for i in s:
  a.append(i)
  if len(a) >= 2 and a[-1] == "T" and a[-2] == "S":
    a = a[:-2]
print(len(a))

Fixed submission:
s = input()
a = []
for i in s:
  a.append(i)
  if len(a) >= 2 and a[-1] == "T" and a[-2] == "S":
    a.pop()
    a.pop()
print(len(a))
Buggy python submission (verdict: Runtime Error):
a = list(map(int,input().split()))
a.sort()
for i in a:
  if a%2 == 0:
    print(0)
    exit()
print(a[0]*a[1])

Fixed submission:
a = list(map(int,input().split()))
a.sort()
for i in a:
  if i%2 == 0:
    print(0)
    exit()
print(a[0]*a[1])
Buggy python submission (verdict: Time Limit Exceeded):
n,x = map(int,input().split())
a = list(map(int,input().split()))
MIN = sum(a)
tori = a + [0]
tori.pop()
for i in range(1,n):
  for j in range(n):
    ido = i+j
    if ido >= n:
      ido-=n
    tori[j] = min(a[ido],tori[j])
  MIN = min(sum(tori) + i*x,MIN)
print(MIN)

Fixed submission:
n,x = map(int,input().split())
a = list(map(int,input().split()))
MIN = sum(a)
ans = MIN+0
tori = a + [0]
tori.pop()
for i in range(1,n):
  for j in range(n):
    ido = i+j
    if ido >= n:
      ido-=n
    if tori[j] > a[ido]:
      ans -= (tori[j] - a[ido])
      tori[j] = a[ido]
  MIN = min(ans + i*x,MIN)
print(MIN)
Buggy python submission (verdict: Runtime Error):
import math
n = int(input())
s = int(input())
if n == s:
  print(n+1)
  exit()
ru = math.ceil(math.sqrt(n))+1
for i in range(2,ru+1):
  b = n+0
  a = []
  while b:
    a.append(b%i)
    b//=i
  kota = sum(a)
  if s == kota:
    print(i)
    exit()
for i in range(ru,0,-1):
  q = s-i
  if q <0:
    continue
  c = (n-q)// i
  b = n+0
  a = []
  while b:
    a.append(b%c)
    b//=c
  kota = sum(a)
  if kota == s:
    print(c)
    exit()
print(-1)

Fixed submission:
import math
n = int(input())
s = int(input())
if n == s:
  print(n+1)
  exit()
ru = math.ceil(math.sqrt(n))+1
for i in range(2,ru+1):
  b = n+0
  a = 0
  while b:
    a +=b%i
    b//=i
  if s == a:
    print(i)
    exit()
for i in range(ru,0,-1):
  q = s-i
  if q <0:
    continue
  c = (n-q)// i
  if c <= ru-1:
    continue
  b = n+0
  a = 0
  while b:
    a+=b%c
    b//=c
  if a == s:
    print(c)
    exit()
print(-1)
Buggy python submission (verdict: Time Limit Exceeded):
# coding: utf-8
import sys
import itertools


def sr(): return sys.stdin.readline().rstrip()


def ir(): return int(sr())


def lr(): return list(map(int, sr().split()))


N, M = lr()
l_list = []
r_list = []
for i in range(M):
    l, r = lr()
    l_list.append(l)
    r_list.append(r)

ans = set()
for i in range(M):
    cards = sorted(l_list[i:] + r_list[:i + 1])
    cards = set(range(cards[0], cards[-1] + 1, 1))
    if (len(ans) == 0):
        ans = cards
        continue

    ans = cards & ans

print(len(ans))


Fixed submission:
# coding: utf-8
import sys
import itertools


def sr(): return sys.stdin.readline().rstrip()


def ir(): return int(sr())


def lr(): return list(map(int, sr().split()))


N, M = lr()
l_list = []
r_list = []
for i in range(M):
    l, r = lr()
    l_list.append(l)
    r_list.append(r)

# ans = set()
# left = l_list[M - 1]
# right = r_list[0]
tl_list = []
tr_list = []
for i in range(M):
    tmp_left = l_list[i]
    tmp_right = r_list[i]
    tl_list.append(tmp_left)
    tr_list.append(tmp_right)
left = max(tl_list)
right = min(tr_list)
# cards = sorted(l_list[i:] + r_list[:i + 1])
# cards = set(range(cards[0], cards[-1] + 1, 1))
# if (len(ans) == 0):
#     ans = cards
#     continue

# ans = cards & ans

ans = right - left + 1
if ans <= 0:
    print(0)
else:
    print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
# coding: utf-8
import sys
import itertools


def sr():
    return sys.stdin.readline().rstrip()


def ir():
    return int(sr())


def lr():
    return list(map(int, sr().split()))


N, Q = lr()
S = sr()

ac = [0] * (N - 1)
for i, x in enumerate(zip(S[:], S[1:])):
    if x[0] == 'A' and x[1] == 'C':
        ac[i] = 1

for _ in range(Q):
    l, r = lr()
    print(sum(ac[l - 1: r - 1]))


Fixed submission:
# coding: utf-8
import sys
import itertools


def sr():
    return sys.stdin.readline().rstrip()


def ir():
    return int(sr())


def lr():
    return list(map(int, sr().split()))


N, Q = lr()
S = sr()

ac = [0] * (N - 1)
for i, x in enumerate(zip(S[:], S[1:])):
    if x[0] == 'A' and x[1] == 'C':
        ac[i] = 1

cum = list(itertools.accumulate(ac))
ans_list = []
for _ in range(Q):
    l, r = lr()
    if (l - 2 < 0):
        result = cum[r - 2]
    else:
        result = cum[r - 2] - cum[l - 2]
    ans_list.append(result)
[print(ans) for ans in ans_list]

Buggy python submission (verdict: Time Limit Exceeded):
N, Q = map(int, input().split(' '))
S = input()
ans = 0
ans_list = []
for i in range(Q):
    l, r = map(int, input().split(' '))
    s = S[l - 1: r]
    cnt = 0
    for i in range(1, len(s), 2):
        if (i + 1) == len(s):
            break
        if s[i] == 'A':
            if s[i + 1] == 'C':
                cnt += 1
        elif s[i] == 'C':
            if s[i - 1] == 'A':
                cnt += 1
    ans_list.append(cnt)
[print(ans) for ans in ans_list]


Fixed submission:
# coding: utf-8
import sys
import itertools


def sr():
    return sys.stdin.readline().rstrip()


def ir():
    return int(sr())


def lr():
    return list(map(int, sr().split()))


N, Q = lr()
S = sr()

ac = [0] * (N - 1)
for i, x in enumerate(zip(S[:], S[1:])):
    if x[0] == 'A' and x[1] == 'C':
        ac[i] = 1

cum = list(itertools.accumulate(ac))
ans_list = []
for _ in range(Q):
    l, r = lr()
    if (l - 2 < 0):
        result = cum[r - 2]
    else:
        result = cum[r - 2] - cum[l - 2]
    ans_list.append(result)
[print(ans) for ans in ans_list]

Buggy python submission (verdict: Time Limit Exceeded):
N, Q = map(int, input().split(' '))
S = input()
ans = 0
ans_list = []
for i in range(Q):
    l, r = map(int, input().split(' '))
    ans_list.append(S[l - 1: r].count('AC') or 0)
[print(ans) for ans in ans_list]


Fixed submission:
# coding: utf-8
import sys
import itertools


def sr():
    return sys.stdin.readline().rstrip()


def ir():
    return int(sr())


def lr():
    return list(map(int, sr().split()))


N, Q = lr()
S = sr()

ac = [0] * (N - 1)
for i, x in enumerate(zip(S[:], S[1:])):
    if x[0] == 'A' and x[1] == 'C':
        ac[i] = 1

cum = list(itertools.accumulate(ac))
ans_list = []
for _ in range(Q):
    l, r = lr()
    if (l - 2 < 0):
        result = cum[r - 2]
    else:
        result = cum[r - 2] - cum[l - 2]
    ans_list.append(result)
[print(ans) for ans in ans_list]
Buggy python submission (verdict: Runtime Error):
N = input()
S = input()

T = ''

cnt = 0
cnt_list = []
for i in S:
  if len(T)==0:
    cnt+=1
    bef = i
  elif bef!=i:
    cnt+=1
    bef = i
  elif bef==i:
    cnt_list.append(cnt)
    cnt = 0
    
m = max(cnt_list)
print(m%(10**9+7))
    
    

Fixed submission:
N = input()
S = input()
m = 1

for i in set(S):
    m *= S.count(i)+1
#     print(m, S.count(i))
print( (m-1) % (10**9+7) )