結果
問題 | No.655 E869120 and Good Triangles |
ユーザー | vwxyz |
提出日時 | 2022-06-29 05:05:24 |
言語 | Python3 (3.12.2 + numpy 1.26.4 + scipy 1.12.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 3,866 bytes |
コンパイル時間 | 103 ms |
コンパイル使用メモリ | 13,440 KB |
実行使用メモリ | 118,912 KB |
最終ジャッジ日時 | 2024-11-22 01:21:17 |
合計ジャッジ時間 | 72,159 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 | 44 ms
17,792 KB |
testcase_01 | AC | 42 ms
113,408 KB |
testcase_02 | AC | 42 ms
17,664 KB |
testcase_03 | AC | 42 ms
113,792 KB |
testcase_04 | AC | 42 ms
17,792 KB |
testcase_05 | AC | 41 ms
113,664 KB |
testcase_06 | AC | 42 ms
17,664 KB |
testcase_07 | AC | 42 ms
113,664 KB |
testcase_08 | AC | 42 ms
17,792 KB |
testcase_09 | AC | 43 ms
114,048 KB |
testcase_10 | TLE | - |
testcase_11 | TLE | - |
testcase_12 | TLE | - |
testcase_13 | TLE | - |
testcase_14 | TLE | - |
testcase_15 | TLE | - |
testcase_16 | TLE | - |
testcase_17 | TLE | - |
testcase_18 | TLE | - |
testcase_19 | TLE | - |
testcase_20 | TLE | - |
testcase_21 | TLE | - |
testcase_22 | TLE | - |
testcase_23 | TLE | - |
testcase_24 | TLE | - |
testcase_25 | TLE | - |
testcase_26 | TLE | - |
testcase_27 | TLE | - |
testcase_28 | TLE | - |
testcase_29 | TLE | - |
testcase_30 | AC | 43 ms
12,160 KB |
testcase_31 | AC | 42 ms
12,416 KB |
testcase_32 | AC | 43 ms
118,912 KB |
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 class Cumsum: def __init__(self,lst,mod=0): self.N=len(lst) self.mod=mod self.cumsum=[0]*(self.N+1) self.cumsum[0]=0 for i in range(1,self.N+1): self.cumsum[i]=self.cumsum[i-1]+lst[i-1] if self.mod: self.cumsum[i]%=self.mod def __getitem__(self,i): if type(i)==int: if 0<=i<self.N: a,b=i,i+1 elif -self.N<=i<0: a,b=i+self.N,i+self.N+1 else: raise IndexError('list index out of range') else: a,b=i.start,i.stop 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 s=self.cumsum[b]-self.cumsum[a] if self.mod: s%=self.mod return s def __setitem__(self,i,x): if -self.N<=i<0: i+=self.N elif not 0<=i<self.N: raise IndexError('list index out of range') self.cumsum[i+1]=self.cumsum[i]+x if self.mod: self.cumsum[i+1]%=self.mod def __str__(self): lst=[self.cumsum[i+1]-self.cumsum[i] for i in range(self.N)] if self.mod: for i in range(self.N): lst[i]%=self.mod return "["+", ".join(map(str,lst))+"]" N,K,P=map(int,readline().split()) inf=1<<30 A=[[inf]*(i+1) for i in range(N)] queue=deque([]) for _ in range(K): x,y=map(int,readline().split()) x-=1;y-=1 queue.append((x,y)) A[x][y]=0 while queue: x,y=queue.popleft() if 0<=y-1<=x-1<N and A[x][y]+1<A[x-1][y-1]: A[x-1][y-1]=A[x][y]+1 queue.append((x-1,y-1)) if 0<=y<=x-1<N and A[x][y]+1<A[x-1][y]: A[x-1][y]=A[x][y]+1 queue.append((x-1,y)) if 0<=y-1<=x<N and A[x][y]+1<A[x][y-1]: A[x][y-1]=A[x][y]+1 queue.append((x,y-1)) if 0<=y+1<=x<N and A[x][y]+1<A[x][y+1]: A[x][y+1]=A[x][y]+1 queue.append((x,y+1)) if 0<=y<=x+1<N and A[x][y]+1<A[x+1][y]: A[x+1][y]=A[x][y]+1 queue.append((x+1,y)) if 0<=y+1<=x+1<N and A[x][y]+1<A[x+1][y+1]: A[x+1][y+1]=A[x][y]+1 queue.append((x+1,y+1)) AL=[[A[i][j] for j in range(i+1)] for i in range(N)] AR=[[A[i][j] for j in range(i+1)] for i in range(N)] for i in range(1,N): for j in range(i): AL[i][j]+=AL[i-1][j] for i in range(1,N): for j in range(1,i+1): AR[i][j]+=AR[i-1][j-1] for i in range(N): A[i]=Cumsum(A[i]) ans=0 dp=[(0,0)] for i in range(N): prev=dp dp=[(0,0)]*(i+2) for j in range(i+1): ii,s=prev[j] while ii<N and s<P: s+=A[ii][j:j-i+ii+1] ii+=1 prev[j]=(ii,s) if i!=N-1: dp[j]=max(dp[j],(ii,s-(AR[ii-1][j-i+ii-1]-(AR[i-1][j-1] if i and j else 0)))) dp[j+1]=max(dp[j+1],(ii,s-(AL[ii-1][j]-(AL[i-1][j] if i and i!=j else 0)))) for j in range(i+1): if prev[j][1]>=P: ans+=N-prev[j][0]+1 print(ans)