結果
| 問題 |
No.1120 Strange Teacher
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2023-07-13 13:45:18 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
RE
|
| 実行時間 | - |
| コード長 | 1,910 bytes |
| コンパイル時間 | 1,296 ms |
| コンパイル使用メモリ | 81,764 KB |
| 実行使用メモリ | 115,456 KB |
| 最終ジャッジ日時 | 2024-09-15 00:28:53 |
| 合計ジャッジ時間 | 10,229 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 24 RE * 3 |
ソースコード
import sys
from sys import stdin
from fractions import Fraction
import math
from math import ceil, floor, sqrt, pi, factorial, gcd
from copy import deepcopy
from collections import Counter, deque, defaultdict
from heapq import heapify, heappop, heappush
from itertools import accumulate, product, combinations, combinations_with_replacement, permutations
from bisect import bisect, bisect_left, bisect_right
from functools import reduce, lru_cache
from decimal import Decimal, getcontext, ROUND_HALF_UP
def i_input(): return int(stdin.readline())
def i_map(): return map(int, stdin.readline().split())
def i_list(): return list(i_map())
def s_input(): return stdin.readline()[:-1]
def s_map(): return s_input().split()
def s_list(): return list(s_map())
def lcm(a, b): return a * b // gcd(a, b)
def get_distance(x1, y1, x2, y2):
d = sqrt((x2 - x1) ** 2 + (y2 - y1) ** 2)
return d
def rotate(table):
n_fild = []
for x in zip(*table[::-1]):
n_fild.append(x)
return n_fild
sys.setrecursionlimit(10 ** 7)
INF = float('inf')
MOD = 10 ** 9 + 7
MOD2 = 998244353
alpa = 'abcdefghijklmnopqrstuvwxyz'
ALPA = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
def main():
N = int(input())
A = i_list()
B = i_list()
Asum = sum(A)
Bsum = sum(B)
if (Asum - Bsum) % (N-2) != 0:
print(-1)
exit()
cost = (Asum - Bsum) // (N-2)
score = 0
for i in range(N):
point = B[i] - A[i]
if point % 2 != cost % 2:
print(-1)
exit()
if point >= 0:
amari = cost - point
if amari < 0:
print(-1)
exit()
score += point + amari // 2
else:
amari = (cost + point) // 2
if amari < 0:
print(-1)
exit()
score += amari
if score == cost:
print(cost)
else:
print(-1)
if __name__ == '__main__':
main()