結果
| 問題 |
No.1965 Heavier
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2022-06-03 23:02:11 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
AC
|
| 実行時間 | 508 ms / 2,000 ms |
| コード長 | 1,610 bytes |
| コンパイル時間 | 238 ms |
| コンパイル使用メモリ | 82,216 KB |
| 実行使用メモリ | 145,228 KB |
| 最終ジャッジ日時 | 2024-09-21 03:12:24 |
| 合計ジャッジ時間 | 9,465 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 26 |
ソースコード
import sys,random,bisect
from collections import deque,defaultdict
from heapq import heapify,heappop,heappush
from itertools import permutations
from math import log,gcd
input = lambda :sys.stdin.readline().rstrip()
mi = lambda :map(int,input().split())
li = lambda :list(mi())
def solve(N,A,B):
r = -1
M = []
del_M = []
m = []
del_m = []
res = 0
for l in range(N):
if r==l-1:
heappush(M,-(A[l]+B[l]))
heappush(m,-(A[l]-B[l]))
r = l
while del_M and M[0]==del_M[0]:
heappop(M)
heappop(del_M)
while del_m and m[0]==del_m[0]:
heappop(m)
heappop(del_m)
while r!=N-1:
if -M[0] < A[r+1]+B[r+1] and -m[0] < A[r+1]-B[r+1]:
heappush(M,-(A[r+1]+B[r+1]))
heappush(m,-(A[r+1]-B[r+1]))
r += 1
else:
break
#print(l,r,M,m)
res += r-l
heappush(del_M,-(A[l]+B[l]))
heappush(del_m,-(A[l]-B[l]))
return res
def brute(N,A,B):
res = 0
for l in range(N):
for r in range(l+1,N):
if all(A[i]+B[i] < A[i+1]+B[i+1] for i in range(l,r)) and all(A[i]-B[i] < A[i+1]-B[i+1] for i in range(l,r)):
res += 1
return res
while False:
N = 3
A = [random.randint(1,20) for i in range(N)]
B = [random.randint(1,20) for i in range(N)]
A.sort()
print(A)
print(B)
print(solve(N,A,B),brute(N,A,B))
assert solve(N,A,B)==brute(N,A,B)
N = int(input())
A = li()
B = li()
print(solve(N,A,B))