problem_id
stringclasses
428 values
submission_id
stringlengths
10
10
status
stringclasses
2 values
code
stringlengths
5
816
p02909
s608252205
Accepted
w = ['Sunny','Cloudy','Rainy'] i = w.index(input()) print(w[(i+1)%3])
p03767
s829601329
Accepted
import sys n = int(input()) a = list(map(int, input().split())) a.sort() max_sum = 0 for i in range(n): max_sum += a[3*n - 2*(i+1)] print("{}".format(max_sum))
p02646
s014944509
Accepted
a,v = map(int, input().split()) b,w = map(int, input().split()) t = int(input()) distance = b - a speed_remainder = v - w if speed_remainder < 0: print("NO") elif abs(distance) <= t * speed_remainder: print("YES") else: print("NO")
p03210
s371149990
Accepted
x = int(input()) if x == 7 or x == 5 or x == 3: print('YES') else: print('NO')
p02787
s910772226
Wrong Answer
# coding=utf-8 # Date: 2020-01-08 # Author: lee215 get = lambda: int(raw_input().strip()) getl = lambda: raw_input().strip() gets = lambda: list(map(int, raw_input().strip().split())) getss = lambda n: [gets() for _ in range(n)] # fi = open('sample3.in', 'r') # raw_input = fi.readline h, N = gets() AB = getss(N) dp = [0] + [float('inf')] * 100000 for a, b in AB: for i in range(h + 1): j = min(i + a, 1000000) dp[j] = min(dp[j], dp[i] + b) print(dp[h]) # PyPy2 Accepted # PyPy3 Accepted # Python2 TLE # Python3 TLE
p03243
s077657658
Accepted
a=int(input()) b=a%100 c=a//100 if b<=c*11: print(c*111) else: print((c+1)*111)
p03274
s931771461
Accepted
n,k=map(int,input().split()) x=list(map(int,input().split())) ans=10**25 for i in range(n-k+1): if x[i+k-1]<=0: num=x[i]*-1 elif x[i]>=0: num=x[i+k-1] else: num1=abs(x[i]) num=min(num1,x[i+k-1])*2+max(num1,x[i+k-1]) ans=min(ans,num) print(ans)
p03262
s930205465
Accepted
from math import gcd n,x = map(int, input().split()) l = sorted([x]+list(map(int, input().split()))) nums = [0]*n for i in range(n): nums[i] = l[i+1] - l[i] ans = nums[0] for i in range(1,n): ans = gcd(ans,nums[i]) print(ans)
p02918
s310177280
Accepted
N,K=map(int, input().split()) S=input() comp=[] tmp="" for i in range(N): if tmp=="": tmp=S[i] cnt=1 else: if S[i]==tmp: cnt +=1 if S[i]!=tmp: comp.append([tmp,cnt]) tmp=S[i] cnt=1 if i==N-1: comp.append([tmp,cnt]) ans=0 for run in comp: ans += run[1]-1 ans += K*2 ans = min(ans,N-1) print(ans)
p03377
s653945723
Accepted
a,b,c = list(map(int,input().split())) if a>c or a+b<c: print("NO") else: print("YES")
p02848
s287436988
Accepted
import string N = int(input()) C = list(input()) L = list(string.ascii_uppercase) count = 0 for i in C: for j in L: if i == j: break count += 1 if count + N <= 25: print(L[count+N], end='') else: print(L[count+N-26], end='') count = 0
p02714
s538046045
Accepted
n = int(input()) s = input() S = list(s) r = S.count('R') g = S.count('G') b = S.count('B') ans = r * g * b for k in range(n): for j in range(k): i = 2*j - k if i >= 0 and i < j and S[i] != S[j] and S[j] != S[k] and S[k] != S[i]: ans -= 1 print(ans)
p02759
s015628158
Accepted
print((int(input())+1)//2)
p03281
s064607769
Wrong Answer
import sys input = sys.stdin.readline N = int(input()) if N < 105 : print(0) elif N >= 105 and N<135 : print(1) elif N>= 135 and N<189 : print(2) else : print(3)
p03379
s867146479
Accepted
# coding: utf-8 N=int(input()) X=list(map(int,input().split())) X_=sorted(X) M=X_[(len(X)-1)//2] for x in X: if x<=M: print(X_[(len(X)-1)//2+1]) else: print(M)
p02688
s306057606
Accepted
n, k = map(int, input().split()) A = [None]*k for i in range(k): d = int(input()) A[i] = list(map(int, input().split())) snuke = [0] * n for i in range(k): for j in A[i]: snuke[j - 1] += 1 ans = 0 for i in snuke: if i == 0: ans += 1 print(ans)
p03067
s889779328
Accepted
A, B, C = map(int, input().split()) if A < C < B or B < C < A: print("Yes") else: print("No")
p02691
s582044593
Accepted
import sys input = lambda: sys.stdin.readline().rstrip() n = int(input()) a = list(map(int, input().split())) ans = 0 R = {} L = {} for i in range(n): r = i + a[i] l = max(i - a[i], 0) if r in R: R[r] += 1 else: R[r] = 1 if l in L: L[l] += 1 else: L[l] = 1 for k, v in R.items(): if k in L: ans += v * L[k] print(ans)
p02731
s202514035
Accepted
n = int(input()) print(n**3/27)
p03821
s611469072
Accepted
import sys input = sys.stdin.readline def main(): N = int(input()) AB = [0] * N for i in range(N): AB[i] = map(int, input().split()) n_press = 0 for A, B in reversed(AB): _, r, = divmod(A + n_press, B) n_press += B - r if r > 0 else 0 ans = n_press print(ans) if __name__ == "__main__": main()
p02922
s847457953
Accepted
a, b = map(int, input().split()) tap = 0 outlet = 1 while(outlet < b): outlet -= 1 outlet += a tap += 1 print(tap)
p02554
s564235835
Accepted
N = int(input()) y = 10**N - 2*(9**N) + 8**N y_d = y % ( 10**9 + 7 ) print(y_d)
p02629
s406537896
Accepted
# coding:utf-8 n = int(input()) name = '' count = 0 while n > 0: n -= 1 mod = n % 26 name += chr(97 + mod) n = n // 26 print(name[::-1])
p03612
s598980282
Accepted
N = int(input()) P = list(map(int,input().split())) ls = [""] * N cnt = 0 for i in range(N): if P[i] == i + 1: ls[i] = "#" else: ls[i] = "." if ls[-1] == "#": if ls[-2] == "#": ls[-1], ls[-2] = ".", "." else: ls[-1] = "." cnt += 1 for j in range(N-1): if ls[j] == "#": if ls[j+1] == "#": ls[j+1] = "." cnt += 1 print(cnt)
p02719
s851779603
Wrong Answer
n, k = list(map(int, input().split())) while(True): x = abs(n-k) print(n,k,x) if n < x: print(n) break n = x
p03623
s166620697
Accepted
# 入力 : 数字3つ x, a, b = map(int, input().split()) # 出力 a, b のうちxに近い方 if abs(x-a) < abs(x-b) : print("A") else : print("B")
p03433
s575929599
Wrong Answer
N = int(input()) a = sorted(list(map(int,input().split())),reverse=True) print(sum(a[::2])-sum(a[1::2]))
p02792
s756773961
Accepted
N=int(input()) c=[[0]*10 for _ in range(10)] for A in range(1,N+1): Astr=str(A) pre=int(Astr[0]) suf=int(Astr[-1]) c[pre][suf]+=1 cnt=0 for i in range(10): for j in range(10): cnt+=c[i][j]*c[j][i] print(cnt)
p02697
s591069818
Wrong Answer
n,m = map(int,input().split()) a = 1 while a<=m: print(a,n) a+=1 n-=1
p03611
s148018322
Accepted
n=int(input()) a=list(map(int, input().split())) ans = 0 l = [0]*(10**5+2) for i in range(n): l[a[i]] +=1 for i in range(10**5): x = l[i] +l[i+1]+l[i-1] ans = max(ans,x) print(ans)
p02707
s192585225
Accepted
n = int(input()) a = list(map(int, input().split())) ans = [0] * n leng = 0 count = 0 for ai in a: ans[ai-1] += 1 for i in ans: print(i)
p03136
s231411091
Wrong Answer
n=input() l=list(map(int, input().split())) if max(l)<(sum(l)-max(l)): print('YES') else: print('NO')
p02724
s386197207
Wrong Answer
n = int(input()) a = n//500 b = a//5 print(1000*a+b)
p03695
s856613712
Wrong Answer
N=int(input()) a=list(map(int,input().split())) o=0 m=0 u=[0]*8 for i in a: if 3199<i: o+=1 else: if u[i//400]==0: u[i//400]+=1 m+=1 print(m,m+o)
p03076
s437963320
Accepted
Time = [int(input()) for X in range(0,5)] Loss = [(10-X%10)%10 for X in Time] print(sum(Time)+sum(sorted(Loss)[:4]))
p02862
s161423044
Accepted
X, Y = map(int, input().split()) n = (2 * X - Y) / 3 m = (2 * Y - X) / 3 if n < 0 or m < 0 or not n.is_integer() or not m.is_integer(): print(0) exit() n, m = map(int, [n, m]) mod = 10**9 + 7 fact = [1] inv = [1] for i in range(1, X + Y + 1): fact.append((fact[i-1] * i) % mod) inv.append(pow(fact[-1], mod-2, mod)) def cmb(n, r): return fact[n] * inv[n-r] * inv[r] print(cmb(n+m, min(n, m)) % mod)
p02718
s405694619
Accepted
# -*- coding: utf-8 -*- """ Created on Sat Apr 4 20:49:19 2020 @author: naoki """ N, M = map(int,input().split()) A = list(map(int,input().split())) criteria = sum(A) / (4*M) count = 0 for i in range(N): if A[i] >= criteria: count+=1 if count >= M: print("Yes") else: print("No")
p02832
s744785537
Accepted
N=int(input()) A=list(map(int,input().split())) ans_count=0 number_count=1 for i in range(len(A)): if A[i]==number_count: number_count+=1 else: ans_count+=1 if number_count!=1:print(ans_count) else:print("-1")
p02983
s922457367
Accepted
l, r = map(int, input().split()) if r-l+1 >= 2019: print(0) else: l %= 2019 r %= 2019 if l <= r: ans = float('inf') for i in range(l, r): for j in range(i+1, r+1): ans = min(ans, (i*j)%2019) else: ans = 0 print(ans)
p02761
s983208263
Accepted
n, m = map(int, input().split()) listans = [0] * n ans = 0 for i in range(m): s, c = map(int, input().split()) s -= 1 if listans[s] == 0: listans[s] = c elif listans[s] != c: ans = -1 if n > 1 and s == 0 and c == 0: ans = -1 if n > 1 and listans[0] == 0: listans[0] = 1 if ans == 0: ans = "".join([str(li) for li in listans]) print(ans)
p03556
s951741450
Accepted
print(int(int(input())**0.5)**2)
p02952
s658997712
Accepted
N = int(input()) cnt = 0 for i in range(1, N+1): if int(len(str(i))) % 2 == 1: cnt += 1 print(cnt)
p02831
s961234517
Accepted
import fractions a,b = map(int, input().split()) print((a * b) // fractions.gcd(a,b))
p02622
s163878828
Wrong Answer
S = input() T = input() S_T_ = set(S)^set(T) print(len(S_T_))
p02946
s169748969
Accepted
K, X = map(int, input().split()) li = [] for i in range (2*K-1): li.append (X-K+i+1) print (*li)
p02843
s084805408
Accepted
import math x=int(input()) y=x//100 z=math.ceil((x%100)/5) if y >= z: print(1) else: print(0)
p03760
s364023069
Accepted
o = input() e = input()+" " ans = "" for i in range(len(o)): ans += o[i]+e[i] print(ans)
p02880
s589166651
Accepted
import sys N=int(input()) for i in range(1,10): for j in range(1,10): if i*j==N: print('Yes') sys.exit() print('No')
p02785
s678000924
Accepted
N,K = map(int,input().split()) alist = list(map(int,input().split())) alist.sort(reverse=True) p = 0 for i in range(K,N): p = p + alist[i] print(p)
p03437
s737777152
Accepted
#15:15 x,y = map(int,input().split()) if x % y == 0: print(-1) else: print(x)
p03721
s808752021
Wrong Answer
def main(): N, K = map(int,input().split()) AB = [list(map(int,input().split())) for _ in range(N)] S = [] for ab in AB: S.extend([ab[0]]*ab[1]) print(S[K-1]) if __name__ == '__main__': main()
p03481
s246904396
Accepted
import sys input = lambda: sys.stdin.readline().rstrip() x, y = map(int, input().split()) cnt = 1 while True: if x*2 <= y: cnt += 1 x *= 2 else: break print(cnt)
p03038
s287841473
Wrong Answer
# coding: utf-8 import heapq N, M = map(int, input().split()) A = list(map(int, input().split())) heapq.heapify(A) minus = 0 print(*A) for i in range(M): b, c = map(int, input().split()) if A[0] < c: for j in range(b): tmp = heapq.heappop(A) heapq.heappush(A, c) print(sum(A))
p03627
s965737769
Accepted
n = int(input()) a = list(map(int,input().split())) a.sort(reverse=True) tmp = a[0] ans = [] cnt = 0 for i in range(1,len(a)): if tmp == a[i]: cnt += 1 if cnt == 1 or cnt == 3: ans.append(tmp) else: tmp = a[i] cnt = 0 if len(ans) < 2: print(0) else: print(ans[0]*ans[1])
p02621
s088121238
Wrong Answer
import sys input = sys.stdin.readline #------------------------------------- c = int(input()) print( c*6 )
p04034
s934687651
Accepted
n,m = map(int, input().split()) redl = [False]*(n+1) redl[1] = True cnts = [1]*(n+1) cnts[0] = 1 for _ in range(m): x,y = map(int, input().split()) if redl[x]: redl[y] = True if cnts[x] == 1: redl[x] = False cnts[x] -= 1 cnts[y] += 1 ans = redl.count(True) print(ans)
p03371
s387275945
Accepted
a,b,c,x,y = map(int,input().split()) ans = float('inf') for i in range(0,2*max(x,y)+1,2): ab = i x_tmp = x - i//2 y_tmp = y - i//2 tmp = max(0,a*x_tmp) + max(0,b*y_tmp) + c*i if tmp < ans: ans = tmp print (ans)
p03071
s436602630
Accepted
a,b = map(int,input().split()) ans = 0 for _ in range(2): if a >= b: ans += a a -= 1 else: ans += b b -= 1 print(ans)
p03659
s582344864
Accepted
import sys import numpy as np stdin = sys.stdin def ns(): return stdin.readline().rstrip() def ni(): return int(stdin.readline().rstrip()) def nm(): return map(int, stdin.readline().split()) def nl(): return list(map(int, stdin.readline().split())) def main(): n = ni() A = nl() cumA = np.cumsum(A) total = cumA[-1] ans = 10 ** 10000 for a in cumA[:-1]: ans = min(ans, abs(a - (total - a))) print(ans) if __name__ == '__main__': main()
p03632
s456055794
Wrong Answer
a, b, c, d = map(int, input().split()) print(max(b - c - max(b - d, 0), 0))
p03351
s952173985
Accepted
# A - Colorful Transceivers # https://atcoder.jp/contests/abc097/tasks/abc097_a a, b, c, d = map(int, input().split()) result = 'No' if abs(a - c) <= d: result = 'Yes' elif abs(a - b) <= d and abs(b - c) <= d: result = 'Yes' print(result)
p02546
s012289165
Accepted
str = input() if str[len(str)-1] == "s": str = str + "es" else: str = str + "s" print(str)
p02747
s452524385
Wrong Answer
s = input() if 'hi' in s: print('Yes') else: print('No')
p04030
s968767763
Accepted
s=list(input()) ans=[] num=0 for i in range(len(s)): if s[i]=="1": ans.append("1") num+=1 elif s[i]=="0": ans.append("0") num+=1 else: if num!=0: del ans[-1] num-=1 print("".join(ans))
p03719
s910334009
Accepted
A,B,C = map(int,input().split()) if A<=C and C <= B: print("Yes") else: print("No")
p02720
s058376645
Accepted
# https://atcoder.jp/contests/abc161/tasks/abc161_d from collections import deque K = int(input()) ans = 0 count = 0 queue = deque() for i in range(1, 10): queue.append(i) while True: count += 1 a = queue.popleft() if count == K: print(a) exit(0) for i in range(-1, 2): d = a % 10 + i if d < 0 or d > 9: continue queue.append(a * 10 + d)
p02602
s615094111
Accepted
n, k = list(map(int, input().split())) arr = list(map(int, input().split())) for i in range(n-k): if (arr[i]<arr[i+k]): print("Yes") else: print("No")
p02684
s824718986
Wrong Answer
n,k=map(int,input().split()) a=[int(x) for x in input().rstrip().split()] l=[0 for i in range(n)] cnt=0 dist=[] now=0 while(True): if l[now]+1==3: break dist.append(now) l[now]+=1 now=a[now]-1 # k=k-l.count(1) g=l.count(2) # print(dist) # print(l) print(dist[k%g+l.count(1)]+1)
p02861
s688223438
Accepted
import math N = int(input()) Nlist = [list(map(int, input().split())) for i in range(N)] total = 0 for i in range(N-1): for j in range(i+1, N): total += math.sqrt((Nlist[i][0]-Nlist[j][0]) ** 2+(Nlist[i][1]-Nlist[j][1])**2) ans = total*2/N print(ans)
p03632
s301787221
Wrong Answer
a, b, c, d = map(int, input().split()) print(max(0,max(a,c)-min(b,d)))
p03345
s569677435
Accepted
a,b,c,k = map(int,input().split()) print(a-b if k%2==0 else b-a)
p03617
s779743305
Accepted
def resolve(): A,B,C,D = map(int,input().split()) N = int(input())*4 cc = [(8*A,A,1),(4*B,B,2),(2*C,C,4),(D,D,8)] cc.sort() ans = 0 for _,cost,vol in cc: enable = N//vol ans += enable*cost N %= vol print(ans) resolve()
p03994
s336196283
Wrong Answer
s=input() K=int(input()) znum=ord("z") count=0 ans=[] lst=dict() for i in range(len(s)): num=ord(s[i]) if s[i]=="a": ans.append("a") continue sa=znum-num+1 if sa<=K: ans.append("a") K-=sa else: ans.append(s[i]) if count<K: K%=26 ans[-1]=chr(ord(s[-1])+K) S="" for i in range(len(ans)): S=S+ans[i] print(S)
p02996
s587564364
Accepted
from heapq import heappush, heappop N = int(input()) AB = [] for i in range(N): a, b = map(int, input().split()) heappush(AB, (b, a)) current = 0 for i in list(range(N)): deadline, cost = heappop(AB) if current + cost > deadline: # 締め切り時間を過ぎてしまっているとき print("No") exit() current += cost print("Yes")
p02647
s304353065
Accepted
import sys import numpy as np from numba import jit read = sys.stdin.buffer.read readline = sys.stdin.buffer.readline readlines = sys.stdin.buffer.readlines N, K, *A = map(int, read().split()) K = min(50,K) @jit def imos(A): B = np.zeros_like(A) for i,x in enumerate(A): a = max(0,i-x) b = min(N-1,i+x) B[a] += 1 if b+1 <= N-1: B[b+1] -= 1 B = np.cumsum(B) return B for i in range(K): if i >= 50: break A = imos(A) print(*A)
p03379
s043599014
Wrong Answer
n = int(input()) x = list(map(int, input().split())) y = sorted(x) p = y[n//2] q = y[(n//2)-1] for i in range(n): if x[i] == p: print(q) else: print(p)
p02801
s730245163
Accepted
C=input() print(chr(((ord(C)-ord('a'))+1)%26+ord('a')))
p03971
s032106995
Accepted
N, A, B = map(int,input().split()) S = input() Fore_rank = 1 passed = 0 for i in range(N): if S[i] == 'a' and A+B > passed: print("Yes") passed += 1 elif S[i] == 'b' and A+B > passed and B >= Fore_rank: print("Yes") Fore_rank += 1 passed += 1 else: print("No")
p03720
s311160399
Accepted
n, m = map(int, input().split()) # a = [0] * m # b = [0] * m # for i in range(m): # a[i], b[i] = map(int, input().split) answer = [0] * (n+1) for _ in range(m): a, b = map(int, input().split()) answer[a] += 1 answer[b] += 1 for i in range(1, n+1): print(answer[i])
p02727
s442847591
Accepted
X,Y,A,B,C = map(int, input().split()) p = sorted(list(map(int, input().split())), reverse=True) q = sorted(list(map(int, input().split())), reverse=True) r = sorted(list(map(int, input().split())), reverse=True) l = p[:X] + q[:Y] + r print(sum(sorted(l, reverse=True)[:X+Y]))
p03359
s373230523
Wrong Answer
a, b = map(int, input().split()) s = min(a, b) print(s)
p02624
s777444992
Wrong Answer
n = int(input()) ans = 0 for i in range(1,n+1): for j in range(1,n+1): if j%i == 0: ans += i print(i)
p03377
s372462566
Wrong Answer
a,b,x=map(int,input().split()) if(a<=x or a+b==x): print("Yes") else: print("No")
p03317
s164171783
Wrong Answer
import math N, K = map(int,input().split()) l = list(map(int,input().split())) tag = l.index(1) print(math.ceil((N-1-tag)/(K-1))+math.ceil(tag/(K-1)))
p03814
s297111111
Wrong Answer
# -*- coding: utf-8 -*- s = list(input()) tmp_str ="" output="" start = False end = False for ss in s: if ss == 'A' and start == False: tmp_str = ss start = True elif ss == 'Z' and start == True: tmp_str += ss if len(output) < len(tmp_str): output = tmp_str end = True elif end == True: start = end = False if len(output) < len(tmp_str): output = tmp_str elif start == True: tmp_str += ss print(len(output))
p02972
s668344770
Accepted
n=int(input()) A=list(map(int,input().split())) B=[0]*n for i in range(n): now=(n-i)*2 cnt=A[n-i-1] while now<=n: cnt+=B[now-1] now+=n-i if cnt%2==1: B[n-i-1]=1 print(sum(B)) for i in range(n): if B[i]: print(i+1,end=" ")
p02552
s043371297
Wrong Answer
# coding: utf-8 def solve(*args: str) -> str: x = args[0] return '0' if x == '1' else '0' if __name__ == "__main__": print(solve(*(open(0).read().splitlines())))
p04043
s588340912
Wrong Answer
def check(): A = list(map(int, input().split())) if A.count(5)!=2 or A.count(7)!=1: return 'No' return 'Yes' print(check())
p03145
s664170335
Accepted
A,B,C=map(int,input().split()) print(A*B//2)
p02924
s727432868
Accepted
n = int(input()) print(n*(n-1)//2)
p02952
s156111961
Wrong Answer
n = int(input()) ans = 0 if n < 10: ans += n else: ans += 9 if n < 1000: ans += max(0, n-1000) else: ans += 900 if n < 100000: ans += max(0, n-100000) else: ans += 90000 print(ans)
p02760
s706090651
Accepted
import itertools A=[list(map(int,input().split())) for i in range(3)] A=list(itertools.chain.from_iterable(A)) N=int(input()) for _ in range(N): b=int(input()) try: A[A.index(b)]="X" except: continue answer="No" for bingo in [[0,1,2],[3,4,5],[6,7,8],[0,4,8],[2,4,6],[0,3,6],[1,4,7],[2,5,8]]: if A[bingo[0]]=="X" and A[bingo[1]]=="X" and A[bingo[2]]=="X": answer="Yes" print(answer)
p02554
s056018300
Wrong Answer
mod = 1000000007 N = int(input()) A = 1 B = 1 C = 1 for _ in range(1,N+1): A *= 10 A %= mod B *= 9 B %= mod C *= 8 C %= mod ans = A - (2*B - C) print(ans)
p04030
s101530467
Accepted
n = input() s="" for i in range(len(n)): if(n[i]=="B"): if(s != ""): s=s[:-1] else: s+=n[i] print(s)
p02748
s294483542
Accepted
a, b, m = map(int,input().split()) A = [int(i) for i in input().split()] B = [int(i) for i in input().split()] ans = 10**19 for i in range(m): x, y, c = map(int,input().split()) ans = min(A[x-1]+B[y-1]-c, ans) print(min(ans,min(A)+min(B)))
p03486
s086342099
Accepted
s = input() t = input() ss = sorted(s) tt = sorted(t, reverse=True) print('Yes') if ss < tt else print('No')
p03998
s789916460
Accepted
S={c:list(input()) for c in "abc"} s="a" while S[s]:s=S[s].pop(0) print(s.upper())
p02859
s504664245
Wrong Answer
import numpy def multiply(r): s = r*r return s
p02664
s623086968
Accepted
T=input() print(T.replace('?', 'D'))
p03126
s232714443
Accepted
n,m = map(int, input().split()) k = [list(map(int, input().split())) for i in range(n)] c = 0 for i in range(1,m+1): for j in range(n): if i not in k[j][1:]: break else: c+=1 print(c)