結果
問題 | No.1637 Easy Tree Query |
ユーザー | kyaneko999 |
提出日時 | 2021-08-06 21:29:00 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 251 ms / 2,000 ms |
コード長 | 3,493 bytes |
コンパイル時間 | 216 ms |
コンパイル使用メモリ | 82,388 KB |
実行使用メモリ | 107,648 KB |
最終ジャッジ日時 | 2024-09-17 03:39:34 |
合計ジャッジ時間 | 8,099 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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 | 54 ms
64,640 KB |
testcase_01 | AC | 48 ms
64,768 KB |
testcase_02 | AC | 185 ms
104,540 KB |
testcase_03 | AC | 51 ms
64,768 KB |
testcase_04 | AC | 157 ms
92,032 KB |
testcase_05 | AC | 159 ms
88,320 KB |
testcase_06 | AC | 143 ms
85,220 KB |
testcase_07 | AC | 102 ms
79,104 KB |
testcase_08 | AC | 139 ms
87,696 KB |
testcase_09 | AC | 203 ms
99,712 KB |
testcase_10 | AC | 139 ms
83,584 KB |
testcase_11 | AC | 241 ms
102,204 KB |
testcase_12 | AC | 204 ms
95,104 KB |
testcase_13 | AC | 117 ms
83,968 KB |
testcase_14 | AC | 203 ms
99,840 KB |
testcase_15 | AC | 225 ms
101,644 KB |
testcase_16 | AC | 229 ms
101,120 KB |
testcase_17 | AC | 121 ms
83,840 KB |
testcase_18 | AC | 159 ms
88,276 KB |
testcase_19 | AC | 169 ms
90,496 KB |
testcase_20 | AC | 204 ms
94,720 KB |
testcase_21 | AC | 161 ms
92,672 KB |
testcase_22 | AC | 246 ms
102,240 KB |
testcase_23 | AC | 127 ms
85,460 KB |
testcase_24 | AC | 158 ms
92,160 KB |
testcase_25 | AC | 155 ms
86,752 KB |
testcase_26 | AC | 222 ms
95,744 KB |
testcase_27 | AC | 251 ms
103,936 KB |
testcase_28 | AC | 147 ms
86,016 KB |
testcase_29 | AC | 183 ms
94,208 KB |
testcase_30 | AC | 154 ms
93,952 KB |
testcase_31 | AC | 103 ms
78,160 KB |
testcase_32 | AC | 142 ms
87,656 KB |
testcase_33 | AC | 151 ms
83,840 KB |
testcase_34 | AC | 139 ms
107,648 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 as rd setrecursionlimit(500000) INF = (1<<61)-1 EPS = 1e-10 MOD = 10**9+7 # MOD = 998244353 def input(): return stdin.readline().strip('\n') def intput(): return int(input()) def minput(): return input().split() def linput(): return input().split() def mint(): return map(int,input().split()) def lint(): return list(map(int,input().split())) def ilint(): return intput(),lint() 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,Q=mint() node=[[] for _ in range(N+1)] for _ in range(N-1): x,y=mint() node[x].append(y) node[y].append(x) order=[] done=[0]*(N+1) kids=[[] for _ in range(N+1)] q=deque() q.append(1) done[1]=1 while q: x=q.popleft() order.append(x) for y in node[x]: if not done[y]: q.append(y) done[y]=1 kids[x].append(y) cnt=[1]*(N+1) for x in order[::-1]: for y in kids[x]: cnt[x]+=cnt[y] S=0 for _ in range(Q): p,x=mint() S+=x*cnt[p] print(S)