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题目内容
(中北大学-C语言程序设计)
1. 1 n=0;
Hn(x) = 2*x n=1
2*x-Hn-1(x)-2(n-1)*Hn-2(x) n>1;
float x;
H ( )
{
if(n = = 0) return 1;
else if ( ) return 2*x ;
else
}
main()
{
int n ;
scanf(“%f,%d”,&x,&n);
printf(“%f”, H(n));
}
Hn(x) = 2*x n=1
2*x-Hn-1(x)-2(n-1)*Hn-2(x) n>1;
float x;
H ( )
{
if(n = = 0) return 1;
else if ( ) return 2*x ;
else
}
main()
{
int n ;
scanf(“%f,%d”,&x,&n);
printf(“%f”, H(n));
}
参考答案
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