結果

問題 No.748 yuki国のお財布事情
ユーザー KeroruKeroru
提出日時 2020-06-10 23:35:03
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 662 ms / 2,000 ms
コード長 9,719 bytes
コンパイル時間 181 ms
コンパイル使用メモリ 82,164 KB
実行使用メモリ 117,184 KB
最終ジャッジ日時 2024-06-23 19:39:31
合計ジャッジ時間 10,630 ms
ジャッジサーバーID
(参考情報)
judge4 / judge3
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 3
other AC * 26
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

import sys,bisect,string,math,time,functools,random,fractions
from heapq import heappush,heappop,heapify
from collections import deque,defaultdict,Counter
from itertools import permutations,combinations,groupby
rep=range
def Golf():n,*t=map(int,open(0).read().split())
def I():return int(input())
def S_():return input()
def IS():return input().split()
def LS():return [i for i in input().split()]
def LI():return [int(i) for i in input().split()]
def LI_():return [int(i)-1 for i in input().split()]
def NI(n):return [int(input()) for i in range(n)]
def NI_(n):return [int(input())-1 for i in range(n)]
def StoLI():return [ord(i)-97 for i in input()]
def ItoS(n):return chr(n+97)
def LtoS(ls):return ''.join([chr(i+97) for i in ls])
def RA():return map(int,open(0).read().split())
def GI(V,E,ls=None,Directed=False,index=1):
org_inp=[];g=[[] for i in range(V)]
FromStdin=True if ls==None else False
for i in range(E):
if FromStdin:
inp=LI()
org_inp.append(inp)
else:
inp=ls[i]
if len(inp)==2:
a,b=inp;c=1
else:
a,b,c=inp
if index==1:a-=1;b-=1
aa=(a,c);bb=(b,c);g[a].append(bb)
if not Directed:g[b].append(aa)
return g,org_inp
def GGI(h,w,search=None,replacement_of_found='.',mp_def={'#':1,'.':0},boundary=1):
#h,w,g,sg=GGI(h,w,search=['S','G'],replacement_of_found='.',mp_def={'#':1,'.':0},boundary=1) # sample usage
mp=[boundary]*(w+2);found={}
for i in range(h):
s=input()
for char in search:
if char in s:
found[char]=((i+1)*(w+2)+s.index(char)+1)
mp_def[char]=mp_def[replacement_of_found]
mp+=[boundary]+[mp_def[j] for j in s]+[boundary]
mp+=[boundary]*(w+2)
return h+2,w+2,mp,found
def TI(n):return GI(n,n-1)
def accum(ls):
rt=[0]
for i in ls:rt+=[rt[-1]+i]
return rt
def bit_combination(n,base=2):
rt=[]
for tb in range(base**n):s=[tb//(base**bt)%base for bt in range(n)];rt+=[s]
return rt
def gcd(x,y):
if y==0:return x
if x%y==0:return y
while x%y!=0:x,y=y,x%y
return y
def show(*inp,end='\n'):
if show_flg:print(*inp,end=end)
YN=['YES','NO'];Yn=['Yes','No']
mo=10**9+7
inf=float('inf')
FourNb=[(-1,0),(1,0),(0,1),(0,-1)];EightNb=[(-1,0),(1,0),(0,1),(0,-1),(1,1),(-1,-1),(1,-1),(-1,1)];compas=dict(zip('WENS',FourNb));cursol=dict(zip
    ('LRUD',FourNb))
l_alp=string.ascii_lowercase
#sys.setrecursionlimit(10**7)
read=sys.stdin.buffer.read
readline=sys.stdin.buffer.readline
input=lambda: sys.stdin.readline().rstrip()
class Tree:
def __init__(self,inp_size=None,ls=None,init=True,index=1):
self.LCA_init_stat=False
self.ETtable=[]
if init:
if ls==None:
self.stdin(inp_size,index=index)
else:
self.size=len(ls)+1
self.edges,_=GI(self.size,self.size-1,ls,index=index)
return
def stdin(self,inp_size=None,index=1):
if inp_size==None:
self.size=int(input())
else:
self.size=inp_size
self.edges,_=GI(self.size,self.size-1,index=index)
return
def listin(self,ls,index=0):
self.size=len(ls)+1
self.edges,_=GI(self.size,self.size-1,ls,index=index)
return
def dfs(self,x,func=lambda pr,prv,nx,dist:prv+dist,root_v=0):
q=deque([x])
v=[None]*self.size
v[x]=root_v
while q:
c=q.pop()
for nb,d in self.edges[c]:
if v[nb]==None:
q.append(nb)
v[nb]=func(c,v[c],nb,d)
return v
def bfs(self,x,func=lambda pr,prv,nx,dist:prv+dist,root_v=0):
q=deque([x])
v=[None]*self.size
v[x]=root_v
while q:
c=q.popleft()
for nb,d in self.edges[c]:
if v[nb]==None:
q.append(nb)
v[nb]=func(c,v[c],nb,d)
return v
def parent(self,x):
return self.dfs(0,func=lambda pr,prv,nx,dist:pr,root_v=-1)
def topological_sort(self,x): # return topological sort of the tree
tps=[]
q=deque([x])
v=[None]*self.size
v[x]=0
while q:
c=q.popleft()
tps.append(c)
for nb,d in self.edges[c]:
if v[nb]==None:
q.append(nb)
v[nb]=0
return tps
def EulerTour(self,x):
q=deque()
q.append(x)
self.depth=[None]*self.size
self.depth[x]=0
self.ETtable=[]
self.ETdepth=[]
self.ETin=[-1]*self.size
self.ETout=[-1]*self.size
cnt=0
while q:
c=q.pop()
if c<0:
ce=~c
else:
ce=c
for nb,d in self.edges[ce]:
if self.depth[nb]==None:
q.append(~ce)
q.append(nb)
self.depth[nb]=self.depth[ce]+1
self.ETtable.append(ce)
self.ETdepth.append(self.depth[ce])
if self.ETin[ce]==-1:
self.ETin[ce]=cnt
else:
self.ETout[ce]=cnt
cnt+=1
return
def LCA_init(self,root):
self.EulerTour(root)
self.st=SparseTable(self.ETdepth,init_func=min,init_idl=inf)
#self.st=SegTree(self.size*2-1,self.ETdepth,function=min,ide=inf)
self.LCA_init_stat=True
return
def LCA(self,root,x,y):
if self.LCA_init_stat==False:
self.LCA_init(root)
xin,xout=self.ETin[x],self.ETout[x]
yin,yout=self.ETin[y],self.ETout[y]
a=min(xin,yin)
b=max(xout,yout,xin,yin)
id_of_min_dep_in_et=self.st.query_id(a,b+1)
return self.ETtable[id_of_min_dep_in_et]
def __str__(self):
return str(self.edges)
def show(self):
if all([all([d==1 for nd,d in edge]) for edge in self.edges]):
print( [[nd for nd,d in edge] for edge in self.edges] )
else:
print(self)
class SparseTable: # O(N log N) for init, O(1) for query(l,r)
def __init__(self,ls,init_func=min,init_idl=float('inf')):
self.func=init_func
self.idl=init_idl
self.size=len(ls)
self.N0=self.size.bit_length()
self.table=[ls[:]]
self.index=[list(range(self.size))]
self.lg=[0]*(self.size+1)
for i in range(2,self.size+1):
self.lg[i]=self.lg[i>>1]+1
for i in range(self.N0):
tmp=[self.func(self.table[i][j],self.table[i][min(j+(1<<i),self.size-1)]) for j in range(self.size)]
tmp_id=[self.index[i][j] if self.table[i][j]==self.func(self.table[i][j],self.table[i][min(j+(1<<i),self.size-1)]) else self.index[i][min
                (j+(1<<i),self.size-1)] for j in range(self.size)]
self.table+=[tmp]
self.index+=[tmp_id]
# return func of [l,r)
def query(self,l,r):
if r>self.size:r=self.size
#N=(r-l).bit_length()-1
N=self.lg[r-l]
return self.func(self.table[N][l],self.table[N][max(0,r-(1<<N))])
# return index of which val[i] = func of v among [l,r)
def query_id(self,l,r):
if r>self.size:r=self.size
#N=(r-l).bit_length()-1
N=self.lg[r-l]
a,b=self.index[N][l],self.index[N][max(0,r-(1<<N))]
if self.table[0][a]==self.func(self.table[N][l],self.table[N][max(0,r-(1<<N))]):
b=a
return b
# return boundary index of r such that func({table[i]} =< x , i in [pos,r]
def right_bound(self,pos,x):
k=(self.size-pos).bit_length()
for j in range(k)[::-1]:
nx=pos+(1<<j)
if nx<n and self.query(pos,nx+1)<=x:
pos+=(1<<j)
return pos
# return boundary index of l such that func({table[i]} =< x , i in [l,pos]
def left_bound(self,pos,x):
k=pos.bit_length()
for j in range(k)[::-1]:
nx=pos-(1<<j)
if 0<=nx and self.query(nx,pos+1)<=x:
pos-=(1<<j)
return pos
def __str__(self):
return str(self.table[0])
def print(self):
for i in self.table:
print(*i)
class UnionFind:
def __init__(self, n):
# :
# :
self.table = [-1] * n
def _root(self, x):
if self.table[x] < 0:
return x
else:
#
self.table[x] = self._root(self.table[x])
return self.table[x]
def find(self, x, y):
return self._root(x) == self._root(y)
def union(self, x, y):
r1 = self._root(x)
r2 = self._root(y)
if r1 == r2:
return
#
d1 = self.table[r1]
d2 = self.table[r2]
if d1 <= d2:
self.table[r2] = r1
if d1 == d2:
self.table[r1] -= 1
else:
self.table[r1] = r2
def __str__(self):
rt=[i if j<0 else j for i,j in enumerate(self.table)]
return str(rt)
show_flg=False
show_flg=True
ans=0
n,m,k=LI()
e=[]
for i in range(m):
a,b,c=LI_()
c+=1
e+=[(c,(a,b))]
f=set(NI_(k))
uf=UnionFind(n)
g=[]
for i in range(m):
c,(a,b)=e[i]
if i in f:
uf.union(a,b)
else:
g+=[(c,(a,b))]
heapify(g)
while g:
c,(a,b)=heappop(g)
if uf._root(a)==uf._root(b):
ans+=c
else:
uf.union(a,b)
print(ans)
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