結果
問題 | No.1605 Matrix Shape |
ユーザー | kyaneko999 |
提出日時 | 2021-07-16 21:57:02 |
言語 | PyPy3 (7.3.15) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,547 bytes |
コンパイル時間 | 152 ms |
コンパイル使用メモリ | 82,548 KB |
実行使用メモリ | 129,892 KB |
最終ジャッジ日時 | 2024-07-06 09:04:29 |
合計ジャッジ時間 | 5,841 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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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 | 49 ms
64,768 KB |
testcase_01 | AC | 54 ms
64,384 KB |
testcase_02 | AC | 50 ms
64,384 KB |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | AC | 51 ms
64,640 KB |
testcase_06 | AC | 53 ms
64,384 KB |
testcase_07 | AC | 53 ms
64,384 KB |
testcase_08 | AC | 53 ms
64,640 KB |
testcase_09 | AC | 48 ms
65,152 KB |
testcase_10 | AC | 50 ms
64,512 KB |
testcase_11 | AC | 54 ms
64,384 KB |
testcase_12 | AC | 49 ms
64,384 KB |
testcase_13 | AC | 48 ms
64,768 KB |
testcase_14 | AC | 50 ms
64,384 KB |
testcase_15 | AC | 49 ms
64,640 KB |
testcase_16 | AC | 49 ms
64,512 KB |
testcase_17 | AC | 50 ms
64,640 KB |
testcase_18 | AC | 50 ms
64,768 KB |
testcase_19 | AC | 240 ms
129,856 KB |
testcase_20 | AC | 225 ms
102,448 KB |
testcase_21 | AC | 234 ms
102,236 KB |
testcase_22 | WA | - |
testcase_23 | AC | 255 ms
129,892 KB |
testcase_24 | AC | 238 ms
129,720 KB |
testcase_25 | AC | 104 ms
78,176 KB |
testcase_26 | AC | 103 ms
77,568 KB |
testcase_27 | AC | 105 ms
78,080 KB |
testcase_28 | AC | 106 ms
77,568 KB |
testcase_29 | AC | 105 ms
77,696 KB |
testcase_30 | AC | 238 ms
104,804 KB |
testcase_31 | AC | 241 ms
105,100 KB |
testcase_32 | AC | 204 ms
92,136 KB |
testcase_33 | WA | - |
testcase_34 | WA | - |
testcase_35 | AC | 207 ms
119,424 KB |
testcase_36 | AC | 157 ms
106,704 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 kind.add(h) else: gomi.add(h) 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)