結果
問題 | No.1605 Matrix Shape |
ユーザー | kyaneko999 |
提出日時 | 2021-07-16 21:59:24 |
言語 | PyPy3 (7.3.15) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,645 bytes |
コンパイル時間 | 256 ms |
コンパイル使用メモリ | 82,560 KB |
実行使用メモリ | 129,984 KB |
最終ジャッジ日時 | 2024-07-06 09:09:27 |
合計ジャッジ時間 | 6,343 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 61 ms
64,384 KB |
testcase_01 | AC | 58 ms
64,384 KB |
testcase_02 | AC | 58 ms
64,384 KB |
testcase_03 | AC | 60 ms
64,896 KB |
testcase_04 | WA | - |
testcase_05 | AC | 53 ms
64,640 KB |
testcase_06 | AC | 54 ms
64,384 KB |
testcase_07 | AC | 53 ms
64,640 KB |
testcase_08 | AC | 52 ms
64,640 KB |
testcase_09 | AC | 51 ms
64,892 KB |
testcase_10 | AC | 52 ms
64,896 KB |
testcase_11 | AC | 50 ms
64,640 KB |
testcase_12 | AC | 50 ms
65,152 KB |
testcase_13 | AC | 51 ms
65,152 KB |
testcase_14 | AC | 50 ms
64,768 KB |
testcase_15 | AC | 51 ms
64,512 KB |
testcase_16 | AC | 59 ms
64,384 KB |
testcase_17 | AC | 54 ms
64,512 KB |
testcase_18 | AC | 54 ms
64,512 KB |
testcase_19 | AC | 247 ms
129,984 KB |
testcase_20 | AC | 229 ms
102,420 KB |
testcase_21 | AC | 230 ms
102,656 KB |
testcase_22 | WA | - |
testcase_23 | AC | 249 ms
129,808 KB |
testcase_24 | AC | 246 ms
129,600 KB |
testcase_25 | AC | 111 ms
77,888 KB |
testcase_26 | AC | 113 ms
78,184 KB |
testcase_27 | AC | 111 ms
77,696 KB |
testcase_28 | AC | 111 ms
77,696 KB |
testcase_29 | AC | 111 ms
78,208 KB |
testcase_30 | AC | 232 ms
104,832 KB |
testcase_31 | AC | 231 ms
105,020 KB |
testcase_32 | AC | 199 ms
92,672 KB |
testcase_33 | WA | - |
testcase_34 | AC | 104 ms
77,844 KB |
testcase_35 | AC | 202 ms
119,808 KB |
testcase_36 | AC | 157 ms
107,196 KB |
ソースコード
from sys import exit, stdin, setrecursionlimit from collections import deque, defaultdict, Counter from copy import deepcopy from bisect import bisect_left, bisect_right, insort_left, insort_right from heapq import heapify, heappop, heappush from itertools import product, permutations, combinations, combinations_with_replacement from functools import reduce from math import gcd, sin, cos, tan, asin, acos, atan, atan2, degrees, radians, ceil, floor, sqrt, factorial from math import pi as PI from random import randint # from decimal import Decimal setrecursionlimit(500000) INF = (1<<61)-1 EPS = 1e-10 MOD = 10**9+7 # MOD = 998244353 def input(): return stdin.readline()[:-1] def intput(): return int(stdin.readline()) def minput(): return stdin.readline()[:-1].split() def linput(): return stdin.readline()[:-1].split() def mint(): return map(int,stdin.readline().split()) def lint(): return list(map(int,stdin.readline().split())) def ilint(): return int(stdin.readline()), list(map(int,stdin.readline().split())) def lcm(x,y): return x*y//gcd(x,y) def lgcd(l): return reduce(gcd,l) def llcm(l): return reduce(lcm,l) def powmod(n,i,mod=MOD): return pow(n,mod-1+i,mod) if i<0 else pow(n,i,mod) def div2(x): return x.bit_length() def div10(x): return len(str(x))-(x==0) def popcount(x): return bin(x).count('1') def digit(x,i,max_len=None): s = str(x) if max_len: i -= max_len-len(s) return int(s[i-1]) if i>0 else 0 def digitsum(x): ans = 0 for i in range(div10(x)): ans += digit(x,i+1) return ans def pf(x,mode='counter'): C = Counter() p = 2 while x>1: k = 0 while x%p==0: x //= p k += 1 if k>0: C[p] += k p = p+2-(p==2) if p*p<x else x if mode=='counter': return C S = set([1]) for k in C: T = set() for x in S: for i in range(C[k]+1): T.add(x*(k**i)) S = T if mode=='set': return S if mode=='list': return sorted(S) def isprime(x): if x<2: return False return len(pf(x,'set'))==2 def matmul(A, B): # import numpy A1, A2 = A >> 15, A & (1 << 15) - 1 B1, B2 = B >> 15, B & (1 << 15) - 1 X = np.dot(A1, B1) % MOD Y = np.dot(A2, B2) Z = np.dot(A1 + A2, B1 + B2) - X - Y return ((X << 30) + (Z << 15) + Y) % MOD def matpow(A, N): P = np.eye(A.shape[0], dtype=np.int64) while N: if N & 1: P = matmul(P, A) A = matmul(A, A) N >>= 1 return P def zash(S): lis = sorted(S) dic = {} for i,x in enumerate(lis): dic[x] = i return lis, dic def pr(*x): print(*x, sep='', end='') if len(x) else print() def lprint(l): for x in l: print(x) def ston(c, c0='a'): return ord(c)-ord(c0) def ntos(x, c0='a'): return chr(x+ord(c0)) def judge(x, l=['Yes', 'No']): print(l[0] if x else l[1]) def debug(*x, flag=1): if flag: print(*x) ###################################################### N=intput() head=Counter() tail=Counter() gomi=set() kind=set() for _ in range(N): h,w=mint() if h!=w: head[h]+=1 tail[w]+=1 else: gomi.add(h) kind.add(h) if sum(head.values())==0: if len(gomi)==1: print(1) else: print(0) exit() for v in gomi: if head[v]==0 and tail[v]==0: print(0) exit() for k in head.keys(): tmp=min(head[k],tail[k]) head[k]-=tmp tail[k]-=tmp S=sum(head.values()) if S==0: print(len(kind)) elif S==1: print(1) else: print(0)