結果
問題 | No.728 ギブ and テイク |
ユーザー | vwxyz |
提出日時 | 2022-03-29 02:08:14 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 2,918 ms / 3,000 ms |
コード長 | 5,895 bytes |
コンパイル時間 | 383 ms |
コンパイル使用メモリ | 82,304 KB |
実行使用メモリ | 373,800 KB |
最終ジャッジ日時 | 2024-11-07 17:00:36 |
合計ジャッジ時間 | 23,907 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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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
55,040 KB |
testcase_01 | AC | 47 ms
55,040 KB |
testcase_02 | AC | 46 ms
55,424 KB |
testcase_03 | AC | 47 ms
55,296 KB |
testcase_04 | AC | 46 ms
55,552 KB |
testcase_05 | AC | 47 ms
55,296 KB |
testcase_06 | AC | 47 ms
55,424 KB |
testcase_07 | AC | 46 ms
55,040 KB |
testcase_08 | AC | 60 ms
63,744 KB |
testcase_09 | AC | 49 ms
55,552 KB |
testcase_10 | AC | 54 ms
62,464 KB |
testcase_11 | AC | 72 ms
68,352 KB |
testcase_12 | AC | 96 ms
77,440 KB |
testcase_13 | AC | 257 ms
95,104 KB |
testcase_14 | AC | 336 ms
103,808 KB |
testcase_15 | AC | 223 ms
88,320 KB |
testcase_16 | AC | 331 ms
106,240 KB |
testcase_17 | AC | 297 ms
102,656 KB |
testcase_18 | AC | 1,989 ms
264,700 KB |
testcase_19 | AC | 2,153 ms
303,620 KB |
testcase_20 | AC | 2,569 ms
371,660 KB |
testcase_21 | AC | 2,336 ms
351,516 KB |
testcase_22 | AC | 898 ms
169,564 KB |
testcase_23 | AC | 590 ms
133,840 KB |
testcase_24 | AC | 1,657 ms
269,564 KB |
testcase_25 | AC | 1,611 ms
269,804 KB |
testcase_26 | AC | 839 ms
164,856 KB |
testcase_27 | AC | 2,918 ms
373,800 KB |
testcase_28 | AC | 1,826 ms
370,184 KB |
testcase_29 | AC | 50 ms
55,168 KB |
testcase_30 | AC | 50 ms
55,040 KB |
testcase_31 | AC | 49 ms
55,040 KB |
testcase_32 | AC | 50 ms
54,784 KB |
ソースコード
from bisect import bisect_left, bisect_right from collections import defaultdict import sys readline=sys.stdin.readline 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:]))+']' def Compress(lst): decomp=sorted(list(set(lst))) comp={x:i for i,x in enumerate(decomp)} return comp,decomp N=int(readline()) A=list(map(int,readline().split())) query=defaultdict(list) for i in range(N): l,r=map(int,readline().split()) query[(A[i]-l)*2].append((A[i],1)) query[(A[i]+r+1)*2].append((A[i],-1)) query[A[i]*2+1].append((A[i]-l,A[i]+r+1)) ans=0 comp,decomp=Compress(A) l=len(comp) ST=Segment_Tree(l,lambda x,y:x+y,0) for x in sorted(list(query.keys())): if x%2==0: for a,c in query[x]: ST[comp[a]]+=c else: for a,b in query[x]: l=bisect_left(decomp,a) r=bisect_left(decomp,b) ans+=ST.Fold(l,r) ans-=N ans//=2 print(ans)