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2026-04-27 22:54:00
分梨
Time Limit:
1000ms
Memory Limit:
32768KB
64-bit integer IO format:
%lld
Java class name:
Main
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Description
小明非常喜欢吃梨,有一天他得到了ACMCLUB送给他的一筐梨子。由于他比较仗义,就打算把梨子分给好朋友们吃。现在他要把M个梨子放到N个盘子里面(我们允许有的盘子为空),你能告诉小明有多少种分法吗?(请注意,例如有三个盘子,我们将5,1,1和1,1,5,视为同一种分法)
Input
输入包含多组测试样例。每组输入的第一行是一个整数t。
接下来t行,每行输入两个整数M和N,代表有M个梨和N个盘子。(M和N均大于等于0)
Output
对于每对输入的M和N,输出有多少种方法。
Sample Input
1 7 3
Sample Output
8
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