#include<cmath>
double a; int b;
pow(a,b);//a必须是double类型的,b是a的多少次方 ! !
C++中幂次方表示方法
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Origin blog.csdn.net/qq_52934831/article/details/121286920
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#include<cmath>
double a; int b;
pow(a,b);//a必须是double类型的,b是a的多少次方 ! !