#150. 累乘
累乘
Description
求从a到b的累乘值。 数据保证 0<=a,b<=22; 0<=b-a<15;
Input Format
两个整数 a,b
Output Format
从a到b的累乘值
Sample
input
2 4
output
24
Hint
时间限制:
空间限制:
Related
In following contests:
求从a到b的累乘值。 数据保证 0<=a,b<=22; 0<=b-a<15;
两个整数 a,b
从a到b的累乘值
input
2 4
output
24
时间限制:1s
空间限制:256MB
In following contests:
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