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Problem H: 三色球排列(3.8)
Problem H: 三色球排列(3.8)
[Creator :
]
Time Limit :
1.000
sec
Memory Limit :
128 MB
Solved: 20
Submit: 45
Statistics
Description
有红球X个,黄球Y个,蓝球Z个,把它们排成一排共有多少种排法?
Input
X,Y,Z
Output
一行,全部的排法数。
Sample Input
Copy
1 1 2
Sample Output
Copy
12
HINT
3<=X+Y+Z<=30