結果
| 問題 |
No.844 split game
|
| コンテスト | |
| ユーザー |
 vwxyz
|
| 提出日時 | 2022-10-26 12:30:32 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
AC
|
| 実行時間 | 455 ms / 2,000 ms |
| コード長 | 22,369 bytes |
| コンパイル時間 | 1,284 ms |
| コンパイル使用メモリ | 82,304 KB |
| 実行使用メモリ | 115,072 KB |
| 最終ジャッジ日時 | 2024-07-04 02:59:58 |
| 合計ジャッジ時間 | 18,269 ms |
|
ジャッジサーバーID （参考情報） |
judge3 / judge5 |
（要ログイン）
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 56 |
ソースコード
import bisect
import copy
import decimal
import fractions
import heapq
import itertools
import math
import random
import sys
import time
from collections import Counter,deque,defaultdict
from functools import lru_cache,reduce
from heapq import heappush,heappop,heapify,heappushpop,_heappop_max,_heapify_max
def _heappush_max(heap,item):
heap.append(item)
heapq._siftdown_max(heap, 0, len(heap)-1)
def _heappushpop_max(heap, item):
if heap and item < heap[0]:
item, heap[0] = heap[0], item
heapq._siftup_max(heap, 0)
return item
from math import gcd as GCD
read=sys.stdin.read
readline=sys.stdin.readline
readlines=sys.stdin.readlines
write=sys.stdout.write
class Segment_Tree:
def __init__(self,N,f,e,lst=None,dynamic=False):
self.f=f
self.e=e
self.N=N
if dynamic:
self.segment_tree=defaultdict(lambda:self.e)
else:
if lst==None:
self.segment_tree=[self.e]*2*self.N
else:
assert len(lst)<=self.N
self.segment_tree=[self.e]*self.N+[x for x in lst]+[self.e]*(N-len(lst))
for i in range(self.N-1,0,-1):
self.segment_tree[i]=self.f(self.segment_tree[i<<1],self.segment_tree[i<<1|1])
def __getitem__(self,i):
if type(i)==int:
if -self.N<=i<0:
return self.segment_tree[i+self.N*2]
elif 0<=i<self.N:
return self.segment_tree[i+self.N]
else:
raise IndexError("list index out of range")
else:
a,b,c=i.start,i.stop,i.step
if a==None:
a=self.N
else:
a+=self.N
if b==None:
b=self.N*2
else:
b+=self.N
return self.segment_tree[slice(a,b,c)]
def __setitem__(self,i,x):
if -self.N<=i<0:
i+=self.N*2
elif 0<=i<self.N:
i+=self.N
else:
raise IndexError("list index out of range")
self.segment_tree[i]=x
while i>1:
i>>= 1
self.segment_tree[i]=self.f(self.segment_tree[i<<1],self.segment_tree[i<<1|1])
def Build(self,lst):
for i,x in enumerate(lst,self.N):
self.segment_tree[i]=x
for i in range(self.N-1,0,-1):
self.segment_tree[i]=self.f(self.segment_tree[i<<1],self.segment_tree[i<<1|1])
def Fold(self,L=None,R=None):
if L==None:
L=self.N
else:
L+=self.N
if R==None:
R=self.N*2
else:
R+=self.N
vL=self.e
vR=self.e
while L<R:
if L&1:
vL=self.f(vL,self.segment_tree[L])
L+=1
if R&1:
R-=1
vR=self.f(self.segment_tree[R],vR)
L>>=1
R>>=1
return self.f(vL,vR)
def Fold_Index(self,L=None,R=None):
if L==None:
L=self.N
else:
L+=self.N
if R==None:
R=self.N*2
else:
R+=self.N
if L==R:
return None
x=self.Fold(L-self.N,R-self.N)
while L<R:
if L&1:
if self.segment_tree[L]==x:
i=L
break
L+=1
if R&1:
R-=1
if self.segment_tree[R]==x:
i=R
break
L>>=1
R>>=1
while i<self.N:
if self.segment_tree[i]==self.segment_tree[i<<1]:
i<<=1
else:
i<<=1
i|=1
i-=self.N
return i
def Bisect_Right(self,L=None,f=None):
if L==self.N:
return self.N
if L==None:
L=0
L+=self.N
vl=self.e
vr=self.e
l,r=L,self.N*2
while l<r:
if l&1:
vl=self.f(vl,self.segment_tree[l])
l+=1
if r&1:
r-=1
vr=self.f(self.segment_tree[r],vr)
l>>=1
r>>=1
if f(self.f(vl,vr)):
return self.N
v=self.e
while True:
while L%2==0:
L>>=1
vv=self.f(v,self.segment_tree[L])
if f(vv):
v=vv
L+=1
else:
while L<self.N:
L<<=1
vv=self.f(v,self.segment_tree[L])
if f(vv):
v=vv
L+=1
return L-self.N
def Bisect_Left(self,R=None,f=None):
if R==0:
return 0
if R==None:
R=self.N
R+=self.N
vl=self.e
vr=self.e
l,r=self.N,R
while l<r:
if l&1:
vl=self.f(vl,self.segment_tree[l])
l+=1
if r&1:
r-=1
vr=self.f(self.segment_tree[r],vr)
l>>=1
r>>=1
if f(self.f(vl,vr)):
return 0
v=self.e
while True:
R-=1
while R>1 and R%2:
R>>=1
vv=self.f(self.segment_tree[R],v)
if f(vv):
v=vv
else:
while R<self.N:
R=2*R+1
vv=self.f(self.segment_tree[R],v)
if f(vv):
v=vv
R-=1
return R+1-self.N
def __str__(self):
return "["+", ".join(map(str,self.segment_tree[self.N:]))+"]"
class Segment_Tree2:
def __init__(self,N,M,f,e,lst=None,dynamic=False):
self.N=N
self.M=M
self.f=f
self.e=e
if dynamic:
self.segment_tree=defaultdict(lambda:defaultdict(lambda:e))
else:
if lst==None:
self.segment_tree=[[self.e]*2*self.M for i in range(2*self.N)]
else:
assert len(lst)<=self.N
assert all(len(lst[i])<=self.M for i in range(self.N))
self.segment_tree=[[self.e]*2*self.M for i in range(self.N)]+[[self.e]*self.M+lst[i]+[self.e]*(self.M-len(lst[i])) for i in range(len(lst))]+[[self.e]*2*self.M for i in range(self.N-len(lst))]
for i in range(self.N-1,0,-1):
for j in range(2*self.M-1,self.M-1,-1):
self.segment_tree[i][j]=self.f(self.segment_tree[i<<1][j],self.segment_tree[i<<1|1][j])
for i in range(2*self.N-1,-1,-1):
for j in range(self.M-1,0,-1):
self.segment_tree[i][j]=self.f(self.segment_tree[i][j<<1],self.segment_tree[i][j<<1|1])
def __getitem__(self,tpl):
i,j=tpl
i+=self.N
j+=self.M
return self.segment_tree[i][j]
def __setitem__(self,tpl,x):
i,j=tpl
i+=self.N
j+=self.M
self.segment_tree[i][j]=x
idxN=[i]
idxM=[j]
while i>1:
i>>=1
idxN.append(i)
while j>1:
j>>=1
idxM.append(j)
i=idxN[0]
for j in idxM[1:]:
self.segment_tree[i][j]=self.f(self.segment_tree[i][j<<1],self.segment_tree[i][j<<1|1])
for i in idxN[1:]:
for j in idxM:
self.segment_tree[i][j]=self.f(self.segment_tree[i<<1][j],self.segment_tree[i<<1|1][j])
def Build(self,lst):
assert len(lst)<=self.N
assert all(len(lst[i] for i in range(self.N))<=self.M)
for i in range(len(lst)):
for j in range(len(lst[i])):
self.segment_tree[i+self.N][j+self.M]=lst[i][j]
for i in range(self.N-1,0,-1):
for j in range(2*self.M-1,self.M-1,-1):
self.segment_tree[i][j]=self.f(self.segment_tree[i<<1][j],self.segment_tree[i<<1|1][j])
for i in range(2*self.N-1,-1,-1):
for j in range(self.M-1,0,-1):
self.segment_tree[i][j]=self.f(self.segment_tree[i][j<<1],self.segment_tree[i][j<<1|1])
def Fold(self,LN=None,RN=None,LM=None,RM=None):
LN+=self.N
RN+=self.N
LM+=self.M
RM+=self.M
idxN=[]
idxM=[]
while LN<RN:
if LN&1:
idxN.append(LN)
LN+=1
if RN&1:
RN-=1
idxN.append(RN)
LN>>=1
RN>>=1
while LM<RM:
if LM&1:
idxM.append(LM)
LM+=1
if RM&1:
RM-=1
idxM.append(RM)
LM>>=1
RM>>=1
retu=self.e
for i in idxN:
for j in idxM:
retu=self.f(retu,self.segment_tree[i][j])
return retu
def Fold_Index(self,LN=None,RN=None,LM=None,RM=None):
if LN==None:
LN=self.N
else:
LN+=self.N
if RN==None:
RN=self.N*2
else:
RN+=self.N
if LM==None:
LM=self.M
else:
LM+=self.M
if RM==None:
RM=self.M*2
else:
RM+=self.M
if LN==RN and LM==RM:
return None
idxN=[]
idxM=[]
while LN<RN:
if LN&1:
idxN.append(LN)
LN+=1
if RN&1:
RN-=1
idxN.append(RN)
LN>>=1
RN>>=1
while LM<RM:
if LM&1:
idxM.append(LM)
LM+=1
if RM&1:
RM-=1
idxM.append(RM)
LM>>=1
RM>>=1
v=self.e
for i in idxN:
for j in idxM:
v=self.f(v,self.segment_tree[i][j])
for i in idxN:
for j in idxM:
if v==self.f(v,self.segment_tree[i][j]):
break
else:
continue
break
while i<self.N:
if self.segment_tree[i<<1][j]==v:
i<<=1
else:
i<<=1
i|=1
while j<self.M:
if self.segment_tree[i][j<<1]==v:
j<<=1
else:
j<<=1
j|=1
return i,j
def __str__(self):
m=max(len(str(self.segment_tree[i][j])) for i in range(self.N,self.N*2) for j in range(self.M,self.M*2))
return "\n".join(["["+", ".join(map(lambda s:" "*(m-len(str(s)))+str(s),self.segment_tree[i][self.M:]))+"]" for i in range(self.N,self.N*2)])
class Dual_Segment_Tree:
def __init__(self,N,f_act,e_act,operate,lst):
self.N=N
self.f_act=f_act
self.e_act=e_act
self.operate=operate
self.lst=[None]*self.N
for i,x in enumerate(lst):
self.lst[i]=x
self.segment_tree_act=[self.e_act]*(self.N+self.N)
def __getitem__(self,i):
if type(i) is int:
if -self.N<=i<0:
i+=self.N*2
elif 0<=i<self.N:
i+=self.N
else:
raise IndexError("list index out of range")
self.Propagate_Above(i)
return self.Operate_At(i)
else:
a,b,c=i.start,i.stop,i.step
if a==None or a<-self.N:
a=0
elif self.N<=a:
a=self.N
elif a<0:
a+=self.N
if b==None or self.N<=b:
b=self.N
elif b<-self.N:
b=0
elif b<0:
b+=self.N
return self.lst[slice(a,b,c)]
def Operate_At(self,i):
return self.operate(self.lst[i-self.N],self.segment_tree_act[i])
def Propagate_At(self,i):
self.segment_tree_act[i<<1]=self.f_act(self.segment_tree_act[i<<1],self.segment_tree_act[i])
self.segment_tree_act[i<<1|1]=self.f_act(self.segment_tree_act[i<<1|1],self.segment_tree_act[i])
self.segment_tree_act[i]=self.e_act
def Propagate_Above(self,i):
H=i.bit_length()-1
for h in range(H,0,-1):
self.Propagate_At(i>>h)
def Operate_Range(self,a,L=None,R=None):
if L==None:
L=self.N
else:
L+=self.N
if R==None:
R=self.N*2
else:
R+=self.N
L0=L//(L&-L)
R0=R//(R&-R)-1
self.Propagate_Above(L0)
self.Propagate_Above(R0)
while L<R:
if L&1:
self.segment_tree_act[L]=self.f_act(self.segment_tree_act[L],a)
L+=1
if R&1:
R-=1
self.segment_tree_act[R]=self.f_act(self.segment_tree_act[R],a)
L>>=1
R>>=1
def Update(self):
for i in range(1,self.N):
self.Propagate_At(i)
self.segment_tree_act[i]=self.e_act
def __str__(self):
import copy
segment_tree_act=copy.deepcopy(self.segment_tree_act)
for i in range(1,self.N):
segment_tree_act[i<<1]=self.f_act(segment_tree_act[i<<1],segment_tree_act[i])
segment_tree_act[i<<1|1]=self.f_act(segment_tree_act[i<<1|1],segment_tree_act[i])
segment_tree_act[i]=self.e_act
segment_tree_act[i]=self.e_act
return "["+", ".join(map(str,[self.operate(x,a) for x,a in zip(self.lst,segment_tree_act[self.N:])]))+"]"
class Lazy_Segment_Tree:
def __init__(self,N,f,e,f_act,e_act,operate,lst=None):
self.N=N
self.f=f
self.e=e
self.f_act=f_act
self.e_act=e_act
self.operate=operate
self.segment_tree=[self.e]*(self.N+self.N)
self.segment_tree_act=[self.e_act]*(self.N+self.N)
if lst!=None:
for i,x in enumerate(lst):
self.segment_tree[i+self.N]=x
for i in range(self.N-1,0,-1):
self.segment_tree[i]=self.f(self.segment_tree[i<<1],self.segment_tree[i<<1|1])
self.segment_tree_act=[self.e_act]*(self.N+self.N)
def __getitem__(self,i):
if type(i) is int:
if -self.N<=i<0:
i+=self.N*2
elif 0<=i<self.N:
i+=self.N
else:
raise IndexError("list index out of range")
self.Propagate_Above(i)
self.Recalculate_Above(i)
return self.Operate_At(i)
else:
a,b,c=i.start,i.stop,i.step
if a==None or a<-self.N:
a=self.N
elif self.N<=a:
a=self.N*2
elif a<0:
a+=self.N*2
else:
a+=self.N
if b==None or self.N<=b:
b=self.N*2
elif b<-self.N:
b=self.N
elif b<0:
b+=self.N*2
else:
b+=self.N
return self.segment_tree[slice(a,b,c)]
def __setitem__(self,i,x):
if -self.N<=i<0:
i+=self.N*2
elif 0<=i<self.N:
i+=self.N
else:
raise IndexError("list index out of range")
self.Propagate_Above(i)
self.segment_tree[i]=x
self.segment_tree_act[i]=self.e_act
self.Recalculate_Above(i)
def Operate_At(self,i):
return self.operate(self.segment_tree[i],self.segment_tree_act[i])
def Propagate_At(self,i):
self.segment_tree[i]=self.Operate_At(i)
self.segment_tree_act[i<<1]=self.f_act(self.segment_tree_act[i<<1],self.segment_tree_act[i])
self.segment_tree_act[i<<1|1]=self.f_act(self.segment_tree_act[i<<1|1],self.segment_tree_act[i])
self.segment_tree_act[i]=self.e_act
def Propagate_Above(self,i):
H=i.bit_length()-1
for h in range(H,0,-1):
self.Propagate_At(i>>h)
def Recalculate_Above(self,i):
while i>1:
i>>=1
self.segment_tree[i]=self.f(self.Operate_At(i<<1),self.Operate_At(i<<1|1))
def Build(self,lst):
for i,x in enumerate(lst):
self.segment_tree[i+self.N]=x
for i in range(self.N-1,0,-1):
self.segment_tree[i]=self.f(self.segment_tree[i<<1],self.segment_tree[i<<1|1])
self.segment_tree_act=[self.e_act]*(self.N+self.N)
def Fold(self,L=None,R=None):
if L==None:
L=self.N
else:
L+=self.N
if R==None:
R=self.N*2
else:
R+=self.N
self.Propagate_Above(L//(L&-L))
self.Propagate_Above(R//(R&-R)-1)
vL=self.e
vR=self.e
while L<R:
if L&1:
vL=self.f(vL,self.Operate_At(L))
L+=1
if R&1:
R-=1
vR=self.f(self.Operate_At(R),vR)
L>>=1
R>>=1
return self.f(vL,vR)
def Fold_Index(self,L=None,R=None):
if L==None:
L=self.N
else:
L+=self.N
if R==None:
R=self.N*2
else:
R+=self.N
if L==R:
return None
x=self.Fold(L-self.N,R-self.N)
while L<R:
if L&1:
if self.segment_tree[L]==x:
i=L
break
L+=1
if R&1:
R-=1
if self.segment_tree[R]==x:
i=R
break
L>>=1
R>>=1
while i<self.N:
if self.segment_tree[i]==self.segment_tree[i<<1]:
i<<=1
else:
i<<=1
i|=1
i-=self.N
return i
def Operate_Range(self,a,L=None,R=None):
if L==None:
L=self.N
else:
L+=self.N
if R==None:
R=self.N*2
else:
R+=self.N
L0=L//(L&-L)
R0=R//(R&-R)-1
self.Propagate_Above(L0)
self.Propagate_Above(R0)
while L<R:
if L&1:
self.segment_tree_act[L]=self.f_act(self.segment_tree_act[L],a)
L+=1
if R&1:
R-=1
self.segment_tree_act[R]=self.f_act(self.segment_tree_act[R],a)
L>>=1
R>>=1
self.Recalculate_Above(L0)
self.Recalculate_Above(R0)
def Update(self):
for i in range(1,self.N):
self.Propagate_At(i)
for i in range(self.N,self.N*2):
self.segment_tree[i]=self.Operate_At(i)
self.segment_tree_act[i]=self.e_act
for i in range(self.N-1,0,-1):
self.segment_tree[i]=self.f(self.segment_tree[i<<1],self.segment_tree[i<<1|1])
def Bisect_Right(self,L=None,f=None):
if L==self.N:
return self.N
if L==None:
L=0
L+=self.N
self.Propagate_Above(L//(L&-L))
self.Propagate_Above(self.N//(self.N&-self.N)-1)
l,r=L,self.N*2
vl=self.e
vr=self.e
while l<r:
if l&1:
vl=self.f(vl,self.Operate_At(l))
l+=1
if r&1:
r-=1
vr=self.f(self.Operate_At(r),vr)
l>>=1
r>>=1
if f(self.f(vl,vr)):
return self.N
v=self.e
self.Propagate_Above(L)
while True:
while L%2==0:
L>>=1
vv=self.f(v,self.Operate_At(L))
if f(vv):
v=vv
L+=1
else:
while L<self.N:
self.Propagate_At(L)
L<<=1
vv=self.f(v,self.Operate_At(L))
if f(vv):
v=vv
L+=1
return L-self.N
def Bisect_Left(self,R=None,f=None):
if R==0:
return 0
if R==None:
R=self.N
R+=self.N
self.Propagate_Above(self.N//(self.N&-self.N))
self.Propagate_Above(R//(R&-R)-1)
vl=self.e
vr=self.e
l,r=self.N,R
while l<r:
if l&1:
vl=self.f(vl,self.Operate_At(l))
l+=1
if r&1:
r-=1
vr=self.f(self.Operate_At(r),vr)
l>>=1
r>>=1
if f(self.f(vl,vr)):
return 0
v=self.e
self.Propagate_Above(R-1)
while True:
R-=1
while R>1 and R%2:
R>>=1
vv=self.f(self.Operate_At(R),v)
if f(vv):
v=vv
else:
while R<self.N:
self.Propagate_At(R)
R=(R<<1)|1
vv=self.f(self.Operate_At(R),v)
if f(vv):
v=vv
R-=1
return R+1-self.N
def __str__(self):
import copy
segment_tree=copy.deepcopy(self.segment_tree)
segment_tree_act=copy.deepcopy(self.segment_tree_act)
for i in range(1,self.N):
segment_tree[i]=self.operate(segment_tree[i],segment_tree_act[i])
segment_tree_act[i<<1]=self.f_act(segment_tree_act[i<<1],segment_tree_act[i])
segment_tree_act[i<<1|1]=self.f_act(segment_tree_act[i<<1|1],segment_tree_act[i])
segment_tree_act[i]=self.e_act
for i in range(self.N,self.N*2):
segment_tree[i]=self.operate(segment_tree[i],segment_tree_act[i])
segment_tree_act[i]=self.e_act
for i in range(self.N-1,0,-1):
segment_tree[i]=self.f(segment_tree[i<<1],segment_tree[i<<1|1])
return "["+", ".join(map(str,[self.operate(x,a) for x,a in zip(segment_tree[self.N:],segment_tree_act[self.N:])]))+"]"
N,M,A=map(int,readline().split())
P=[[] for r in range(N+1)]
for m in range(M):
l,r,p=map(int,readline().split())
l-=1
P[r].append([l,p])
ans=0
inf=1<<60
dp=Segment_Tree(N+1,max,-inf,[-A]*(N+1))
dp[0]=0
for r in range(N+1):
dp[r]=max(dp[r],dp.Fold(0,r)-A)
for l,p in P[r]:
dp[r]=max(dp[r],dp[l]+p+(-A if r<N else 0))
ans=max(ans,dp[r])
print(ans)