C語言 期中考

#include <stdlib.h>

int main(){
    char *std_num="123456", *name="XXX";
    printf("學號：%s \n姓名：%s \n", std_num, name);
    
    float surface_temp;   //平地氣溫
    float qingjing_temp;  //清淨氣溫
    printf("請輸入平地氣溫：");
    scanf("%f", &surface_temp);
    
    qingjing_temp = surface_temp-(17*0.6);
    
    printf("清淨氣溫為：%.1f\n", qingjing_temp);
    
    system("PAUSE");
    return 0;
}

---

#include <stdlib.h>

int main(){
    char *std_num="123456", *name="XXX";
    printf("學號：%s \n姓名：%s \n", std_num, name);
    
    int income;  //收入
    float tax;   //稅額
    
    //稅率
    int s5 = 54*10000*0.05;   //5%
    int s12 = 67*10000*0.12;  //12%
    int s20 = 121*10000*0.2;  //20%
    int s30 = 211*10000*0.3;  //30%
    //40%
    
    printf("請輸入收入(萬元)：");
    scanf("%d", &income);
    
    if (income < 54)
        tax = income*10000*0.05;
    else if (income <= 121)
        tax = (income-54)*10000*0.12+s5;
    else if (income <= 242)
        tax = (income-121)*10000*0.2+s12+s5;
    else if (income <= 453)
        tax = (income-242)*10000*0.3+s20+s12+s5;
    else if (income < 453)
        tax = income*10000*0.4+s30+s20+s12+s5;
    else
        tax = income*10000*0.05;
    
    printf("應繳稅額為：%.0f\n", tax);
    
    system("PAUSE");
    return 0;
}