C语言中显示小数部分

Question

#include<stdio.h>
int main()
{
float a,b,c;
a=7.0;
b=4.0;
c=a/b;
printf("c is %d\n",c);

}

弱弱的问下。。c为什么不显示1.75 而是显示的是0？

Answer 1

printf("c is %d\n",c);改成
printf("c is %f\n",c);

Answer 2

printf("c is %d\n",c);改成
printf("c is %f\n",c);

Answer 3

嗯=。=来晚了