結果

問題 No.825 賢いお買い物
ユーザー mtk
提出日時 2019-05-21 18:24:12
言語 Python3
(3.13.1 + numpy 2.2.1 + scipy 1.14.1)
結果
WA  
実行時間 -
コード長 1,057 bytes
コンパイル時間 84 ms
コンパイル使用メモリ 12,800 KB
実行使用メモリ 10,752 KB
最終ジャッジ日時 2024-09-17 09:05:11
合計ジャッジ時間 1,576 ms
ジャッジサーバーID
（参考情報） 		judge2 / judge5
このコードへのチャレンジ
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ファイルパターン 結果
sample WA * 3
other WA * 19
権限があれば一括ダウンロードができます

ソースコード

diff # 

# increase
# 10 buy 1 +9

# decrease
# 1*10 exchange 10 -9

# if A+B==C and B>0 then 10 buy 9


def same(A, B, diff):
    if B > 0:
        return 9
    return 0


def increase(A, B, diff):
    if B == 0:
        return 0
    if diff > 9:
        return 0
    return 9-diff


def decrease(A, B, diff):
    cnt = 0
    while diff < -9:
        if A > 9:
            A -= 10
            B += 1
            diff += 9
        else:
            break
    print("a.", A, B, diff)
    if diff == 0:
        return same(A, B, diff)
    print("b.", A, B, diff)
    if A+diff >= 0:
        return cnt-diff
    print("c.", A, B, diff)
    cnt += A
    diff += A
    if B+diff >= 0:
        return cnt-diff*10
    print("d.", A, B, diff)
    return 0


A, B, C = [int(i) for i in input().split()]
diff = C-A-B
if diff > 0:
    price = increase(A, B, diff)
elif diff < 0:
    price = decrease(A, B, diff)
else:
    price = same(A, B, diff)

if price > 0:
    print(price, '\n')
else:
    print("Impossible\n")
0