Problems Description
<span style="color:#231F17;font-family:'Lucida Grande', Verdana, 'Bitstream Vera Sans', Arial, sans-serif;font-size:14px;line-height:21px;">给出2items正整数集合A = {p</span><sub>i</sub><span style="color:#231F17;font-family:'Lucida Grande', Verdana, 'Bitstream Vera Sans', Arial, sans-serif;font-size:14px;line-height:21px;"> | 1 <= i <= a},B = {q</span><sub>j</sub><span style="color:#231F17;font-family:'Lucida Grande', Verdana, 'Bitstream Vera Sans', Arial, sans-serif;font-size:14px;line-height:21px;"> | 1 <= j <= b}和一items正整数s。问题是:使得p</span><sub>i</sub><span style="color:#231F17;font-family:'Lucida Grande', Verdana, 'Bitstream Vera Sans', Arial, sans-serif;font-size:14px;line-height:21px;">+ q</span><sub>j</sub><span style="color:#231F17;font-family:'Lucida Grande', Verdana, 'Bitstream Vera Sans', Arial, sans-serif;font-size:14px;line-height:21px;"> = s的不同的(i, j)对有多少items。</span>
Input格式
<span style="color:#231F17;font-family:'Lucida Grande', Verdana, 'Bitstream Vera Sans', Arial, sans-serif;font-size:14px;line-height:21px;">Page 1行是测试数据的组数n,后面跟着n组测试数据。</span><br /> <br /> <span style="color:#231F17;font-family:'Lucida Grande', Verdana, 'Bitstream Vera Sans', Arial, sans-serif;font-size:14px;line-height:21px;">每组测试数据占5行,Page 1行是和s (1 <= s <= 10000),Page 2行是一items正整数a (1 <= a <= 10000),表示A中元素的数目。Page 3行是aitems正整数,每items正整数不超过10000,表示A中的元素。Page 4行是一items正整数b (1 <= b <= 10000),表示B中元素的数目。Page 5行是bitems正整数,每items正整数不超过10000,表示B中的元素。</span><br /> <br /> <span style="color:#231F17;font-family:'Lucida Grande', Verdana, 'Bitstream Vera Sans', Arial, sans-serif;font-size:14px;line-height:21px;">注意:这里的集合和数学书上定义的集合有一点点区别——集合内可能包含相等的正整数。</span>
Output格式
<span style="color:#231F17;font-family:'Lucida Grande', Verdana, 'Bitstream Vera Sans', Arial, sans-serif;font-size:14px;line-height:21px;">n行,每行输出对应一items输入。输出应是一items非负整数。</span>
Sample
Sample Input 1
2
99
2
49 49
2
50 50
11
9
1 2 3 4 5 6 7 8 9
10
10 9 8 7 6 5 4 3 2 1
Sample Output 1
4
9
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