結果
| 問題 |
No.297 カードの数式
|
| コンテスト | |
| ユーザー |
gew1fw
|
| 提出日時 | 2025-06-12 19:55:19 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 2,102 bytes |
| コンパイル時間 | 253 ms |
| コンパイル使用メモリ | 82,344 KB |
| 実行使用メモリ | 237,516 KB |
| 最終ジャッジ日時 | 2025-06-12 19:55:51 |
| 合計ジャッジ時間 | 2,897 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 1 TLE * 1 -- * 21 |
ソースコード
import sys
from itertools import permutations, combinations
def main():
input = sys.stdin.read().split()
n = int(input[0])
cards = input[1:n+1]
digits = []
ops = []
for c in cards:
if c in '+-':
ops.append(c)
else:
digits.append(c)
O = len(ops)
D = len(digits)
if O == 0:
print(0, 0)
return
# Generate unique permutations for digits and ops
unique_digit_perms = set(permutations(digits))
digit_perms = [tuple(p) for p in unique_digit_perms]
unique_op_perms = set(permutations(ops))
op_perms = [tuple(p) for p in unique_op_perms]
max_val = -float('inf')
min_val = float('inf')
# Precompute all possible insert positions
insert_positions = list(combinations(range(D-1), O))
for d_perm in digit_perms:
for inserts in insert_positions:
sorted_inserts = sorted(inserts)
groups = []
current = []
pos = 0
for i in range(len(d_perm)):
current.append(d_perm[i])
if pos < len(sorted_inserts) and i == sorted_inserts[pos]:
groups.append(''.join(current))
current = []
pos += 1
groups.append(''.join(current))
try:
nums = [int(g) for g in groups]
except:
continue # invalid if group is empty (unlikely)
if len(nums) != O + 1:
continue
for op_perm in op_perms:
current_val = nums[0]
for i in range(O):
if op_perm[i] == '+':
current_val += nums[i+1]
else:
current_val -= nums[i+1]
if current_val > max_val:
max_val = current_val
if current_val < min_val:
min_val = current_val
print(max_val, min_val)
if __name__ == '__main__':
main()
gew1fw