Codeforces Round 223 (Div. 2)
A
Sereja and Dima
Codeforces
800
原题
←B →
翻译中…

Sereja and Dima play a game. The rules of the game are very simple. The players have $*n*$ cards in a row. Each card contains a number, all numbers on the cards are distinct. The players take turns, Sereja moves first. During his turn a player can take one card: either the leftmost card in a row, or the rightmost one. The game ends when there is no more cards. The player who has the maximum sum of numbers on his cards by the end of the game, wins.

翻译中…

Sereja and Dima are being greedy. Each of them chooses the card with the larger number during his move.

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Inna is a friend of Sereja and Dima. She knows which strategy the guys are using, so she wants to determine the final score, given the initial state of the game. Help her.

翻译中…

Input

翻译中…

The first line contains integer $*n*$ $(1 ≤ *n* ≤ 1000)$ — the number of cards on the table. The second line contains space-separated numbers on the cards from left to right. The numbers on the cards are distinct integers from $1$ to $1000$.

翻译中…

Output

翻译中…

On a single line, print two integers. The first number is the number of Sereja's points at the end of the game, the second number is the number of Dima's points at the end of the game.

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Note

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In the first sample Sereja will take cards with numbers $10$ and $2$, so Sereja's sum is $12$. Dima will take cards with numbers $4$ and $1$, so Dima's sum is $5$.

翻译中…

样例

Input #1
4
4 1 2 10
Output #1
12 5
InputCopy OutputCopy
Input #2
7
1 2 3 4 5 6 7
Output #2
16 12
InputCopy OutputCopy
题目信息
题号
381A
时间限制
1 s
内存限制
256 MB
标签
贪心
模拟
双指针

题面与样例版权归 Codeforces 及出题人所有;中文翻译由 AI 生成(CI 管线),如有出入请以原文为准。