C语言程序问题 类型转换

Question

%d输入如何变为%f输出
如
#include <stdio.h>
int main(void)
{
int w,h;
float t;
printf("Input weight, height:\n");
scanf("%d,%d",&w,&h);
w=w2;
t=w/(hh);
printf("weight=%d\n",w);
printf("height=%.2f\n",h);
printf("t=%.2f\n",t);
return 0;
}

Answer 1

h改为(float)f