这个用c语言怎么写，求解答！

Question

Answer 1

#include <stdio.h>

int main()
{
float n,t,m=0;
scanf("%f%f",&n,&t);

if(n<=3)
{
    m=10+(int)(t/5)*2;
}
else if(n<=10)
{
    m=10+(n-3)*2+(int)(t/5)*2;
}
else
{
    m=10+7*2+(n-10)*3+(int)(t/5)*2;
}

printf("%.f",m);

return 0;
}