2688 - 买东西的难题
时间限制 : 2 秒
内存限制 : 2048 MB
Vasya去超市买东西，挑选完要买的东西后来到了结账处。
超市的出口处有n<span>个收银员，结账的人已经在这里排起了长队。第</span><span>i</span><span>条队伍中共有</span><span>ki</span><span>个人，其中第</span><span>i</span><span>列的第</span><span>j</span><span>个人的购物筐里有</span><span>mij</span><span>样东西。现已知：</span>
收银员每<span>5</span><span>秒扫描一样东西；</span>
每位顾客算完帐后需要<span>15</span><span>秒时间收钱找钱；</span>
当然，<span>Vasya</span><span>想选一列时间最短的队伍排队。帮他写一个程序算出可能的最短秒数。</span>
（单击提示有说明）
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题目输入
第一行是一个整数<span>n</span>(1<span> ≤ </span>n ≤ <span>100</span>)，代表超市收银员的数量；第二行有<span>n</span><span>个空格分隔的整数</span><span>k1</span><span>、</span><span>k2</span><span>、……</span><span>kn</span> (1<span> ≤ </span>ki ≤ <span>100</span>)，<span>ki</span><span>表示第</span><span>i</span><span>个收银员前的队列人数；接下来有</span><span>n</span><span>行，第</span><span>i</span><span>行有</span><span>ki</span><span>个数，</span>mi,<span> </span><span>1</span>,<span> </span>mi,<span> </span><span>2</span>,<span> </span><span>...,</span><span> </span>mi,<span> </span>ki (1<span> ≤ </span>mi,<span> </span>j ≤ <span>100</span>)表示队伍中第<span>j</span><span>个人有</span>mi,<span> </span>j项物品。
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题目输出
独占一行的一个整数，代表用时最短的队伍秒数。
输入/输出样例
输入格式
2 1 1 1 4 1 4 3 2 100 1 2 2 3 1 9 1 7 8
输出格式
20 100
提示
分析一下第二组样例，如果<span>Vasya</span><span>站到第一队，需要等</span>100<span>·</span><span>5</span><span> </span><span>+</span><span> </span><span>15</span><span> </span><span>=</span><span> </span><span>515</span>秒，第二队需要等1<span>·</span><span>5</span><span> </span><span>+</span><span> </span><span>2</span><span>·</span><span>5</span><span> </span><span>+</span><span> </span><span>2</span><span>·</span><span>5</span><span> </span><span>+</span><span> </span><span>3</span><span>·</span><span>5</span><span> </span><span>+</span><span> </span><span>4</span><span>·</span><span>15</span><span> </span><span>=</span><span> </span><span>100</span>秒，第三队需要等1<span>·</span><span>5</span><span> </span><span>+</span><span> </span><span>9</span><span>·</span><span>5</span><span> </span><span>+</span><span> </span><span>1</span><span>·</span><span>5</span><span> </span><span>+</span><span> </span><span>3</span><span>·</span><span>15</span><span> </span><span>=</span><span> </span><span>100</span>秒，第四队需要等7<span>·</span><span>5</span><span> </span><span>+</span><span> </span><span>8</span><span>·</span><span>5</span><span> </span><span>+</span><span> </span><span>2</span><span>·</span><span>15</span><span> </span><span>=</span><span> </span><span>105</span>秒，因此，为了能快点结账，<span>Vasya</span><span>应该选择第二队或第三队。</span>
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