什么?签到?

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Background

哈 蒟蒻来出题了 emmm....就是很简单的签到

Description

首先给出一串数字,一个数字c,找到所有a-b=c的数对个数就ok,但是如果数字总数大于或者等于10的要额外输出QAQ

Format

Input

输入有俩行 第一行,一个数字n,一个数字c; 第二行,一串个数为n的数字

Output

输出满足a-b=c的个数

Samples

5 5
7 7 6 8 2
2
10 3
1 0 1 0 1 0 1 0 1 0 
0
QAQ

提示

样例二输出QAQ是因为数字总数大于等于10,而不是因为a-b=c的个数大于等于10

Limitation

1s, 1024KiB for each test case.

ACM21级内卷赛验题

Not Attended
Status
Done
Rule
ACM/ICPC
Problem
18
Start at
2022-8-18 18:30
End at
2022-8-29 18:30
Duration
264 hour(s)
Host
Partic.
1