C语言程序设计教程（第三版）课后习题5.8 （C语言代码）

#include<stdio.h>
int main()
{
    int a,b;
    scanf("%d",&a);
    if (a<=100000) b=a*0.1;
    else if (a<=200000) b=10000+(a-100000)*0.075;
    else if (a<=400000) b=17500+(a-200000)*0.05;
    else if (a<=600000) b=27500+(a-400000)*0.03;
    else if (a<=1000000) b=33500+(a-600000)*0.015;
    else b=39500+(a-400000)*0.01;
    printf("%d\n",b);
    return 0;
}