A12033 | Vasya and Golden Ticket
时间限制1s
内存限制256MB
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题目描述
Recently Vasya found a golden ticket — a sequence which consists of $n$ digits $a_1a_2\dots a_n$ . Vasya considers a ticket to be lucky if it can be divided into two or more non-intersecting segments with equal sums. For example, ticket $350178$ is lucky since it can be divided into three segments $350$ , $17$ and $8$ : $3+5+0=1+7=8$ . Note that each digit of sequence should belong to exactly one segment.
Help Vasya! Tell him if the golden ticket he found is lucky or not.
Help Vasya! Tell him if the golden ticket he found is lucky or not.
输入格式
The first line contains one integer $n$ ( $2 \le n \le 100$ ) — the number of digits in the ticket.
The second line contains $n$ digits $a_1 a_2 \dots a_n$ ( $0 \le a_i \le 9$ ) — the golden ticket. Digits are printed without spaces.
The second line contains $n$ digits $a_1 a_2 \dots a_n$ ( $0 \le a_i \le 9$ ) — the golden ticket. Digits are printed without spaces.
输出格式
If the golden ticket is lucky then print "YES", otherwise print "NO" (both case insensitive).
输入输出样例
输入 #1
5 73452
输出 #1
YES
输入 #2
4 1248
输出 #2
NO
In the first example the ticket can be divided into $7$ , $34$ and $52$ : $7=3+4=5+2$ .
In the second example it is impossible to divide ticket into segments with equal sum.
In the second example it is impossible to divide ticket into segments with equal sum.
C++ 编辑器
输入
输出
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评测结果:Accepted