結果
| 問題 |
No.230 Splarraay スプラレェーイ
|
| コンテスト | |
| ユーザー |
mymelochan
|
| 提出日時 | 2024-01-10 21:51:34 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
AC
|
| 実行時間 | 1,079 ms / 5,000 ms |
| コード長 | 4,872 bytes |
| コンパイル時間 | 164 ms |
| コンパイル使用メモリ | 82,436 KB |
| 実行使用メモリ | 185,936 KB |
| 最終ジャッジ日時 | 2024-09-27 20:21:52 |
| 合計ジャッジ時間 | 9,067 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 17 |
ソースコード
class lazy_segtree():
def update(self,k):self.d[k]=self.op(self.d[2*k],self.d[2*k+1])
def all_apply(self,k,f):
self.d[k]=self.mapping(f,self.d[k])
if (k<self.size):self.lz[k]=self.composition(f,self.lz[k])
def push(self,k):
self.all_apply(2*k,self.lz[k])
self.all_apply(2*k+1,self.lz[k])
self.lz[k]=self.identity
def __init__(self,V,OP,E,MAPPING,COMPOSITION,ID):
self.n=len(V)
self.log=(self.n-1).bit_length()
self.size=1<<self.log
self.d=[E for i in range(2*self.size)]
self.lz=[ID for i in range(self.size)]
self.e=E
self.op=OP
self.mapping=MAPPING
self.composition=COMPOSITION
self.identity=ID
for i in range(self.n):self.d[self.size+i]=V[i]
for i in range(self.size-1,0,-1):self.update(i)
def set(self,p,x):
assert 0<=p and p<self.n
p+=self.size
for i in range(self.log,0,-1):self.push(p>>i)
self.d[p]=x
for i in range(1,self.log+1):self.update(p>>i)
def get(self,p):
assert 0<=p and p<self.n
p+=self.size
for i in range(self.log,0,-1):self.push(p>>i)
return self.d[p]
def prod(self,l,r):
assert 0<=l and l<=r and r<=self.n
if l==r:return self.e
l+=self.size
r+=self.size
for i in range(self.log,0,-1):
if (((l>>i)<<i)!=l):self.push(l>>i)
if (((r>>i)<<i)!=r):self.push(r>>i)
sml,smr=self.e,self.e
while(l<r):
if l&1:
sml=self.op(sml,self.d[l])
l+=1
if r&1:
r-=1
smr=self.op(self.d[r],smr)
l>>=1
r>>=1
return self.op(sml,smr)
def all_prod(self):return self.d[1]
def apply_point(self,p,f):
assert 0<=p and p<self.n
p+=self.size
for i in range(self.log,0,-1):self.push(p>>i)
self.d[p]=self.mapping(f,self.d[p])
for i in range(1,self.log+1):self.update(p>>i)
def apply(self,l,r,f):
assert 0<=l and l<=r and r<=self.n
if l==r:return
l+=self.size
r+=self.size
for i in range(self.log,0,-1):
if (((l>>i)<<i)!=l):self.push(l>>i)
if (((r>>i)<<i)!=r):self.push((r-1)>>i)
l2,r2=l,r
while(l<r):
if (l&1):
self.all_apply(l,f)
l+=1
if (r&1):
r-=1
self.all_apply(r,f)
l>>=1
r>>=1
l,r=l2,r2
for i in range(1,self.log+1):
if (((l>>i)<<i)!=l):self.update(l>>i)
if (((r>>i)<<i)!=r):self.update((r-1)>>i)
def max_right(self,l,g):
assert 0<=l and l<=self.n
assert g(self.e)
if l==self.n:return self.n
l+=self.size
for i in range(self.log,0,-1):self.push(l>>i)
sm=self.e
while(1):
while(l%2==0):l>>=1
if not(g(self.op(sm,self.d[l]))):
while(l<self.size):
self.push(l)
l=(2*l)
if (g(self.op(sm,self.d[l]))):
sm=self.op(sm,self.d[l])
l+=1
return l-self.size
sm=self.op(sm,self.d[l])
l+=1
if (l&-l)==l:break
return self.n
def min_left(self,r,g):
assert (0<=r and r<=self.n)
assert g(self.e)
if r==0:return 0
r+=self.size
for i in range(self.log,0,-1):self.push((r-1)>>i)
sm=self.e
while(1):
r-=1
while(r>1 and (r%2)):r>>=1
if not(g(self.op(self.d[r],sm))):
while(r<self.size):
self.push(r)
r=(2*r+1)
if g(self.op(self.d[r],sm)):
sm=self.op(self.d[r],sm)
r-=1
return r+1-self.size
sm=self.op(self.d[r],sm)
if (r&-r)==r:break
return 0
def operate(a,b):
return (a[0]+b[0],a[1]+b[1],a[2]+b[2])
def mapping(f,x):
if f==0:
return x
elif f==1:
return (x[2],0,x[2])
else:
return (0,x[2],x[2])
def composition(f,g):
if f == 0:
return g
return f
import sys
ipt = sys.stdin.readline
inf = 1<<30
def iin():
return int(ipt())
def lmin():
return list(map(int,ipt().split()))
N = iin()
Q = iin()
query = [lmin() for _ in range(Q)]
sgt = lazy_segtree([(0,0,1)]*N,operate,(0,0,1),mapping,composition,0)
ans = [0,0]
for f,l,r in query:
if f == 0:
t = sgt.prod(l,r+1)
if t[0] < t[1]:
ans[1] += t[1]
elif t[0] > t[1]:
ans[0] += t[0]
else:
sgt.apply(l,r+1,f)
t = sgt.all_prod()
ans[0] += t[0]
ans[1] += t[1]
print(*ans)
mymelochan