（1）c基础代码

 

#include <stdio.h>

 

int main()

{

    printf("你好！\n");

 

    return 0;

}

 

---

#include <stdio.h>

 

int main()

{

    printf("23+43=%d\n", 23+43);

 

    return 0;

}

 

---

#include <stdio.h>

 

int main()

{

    int price = 0;

 

    printf("请输入金额（元）：");

    scanf("%d", &price);

 

    int change = 100 - price;

 

    printf("找您%d元。\n", change);

 

    return 0;

}

 

 

---

#include <stdio.h>

int main()
{
int a;
int b;

printf("输入两个整数");

scanf("%d %d" , &a, &b);

printf("%d + %d = %d \n", a , b , a+b);

return 0;
}

 

 

---

#include <stdio.h>

int main()
{
const int AMOUNT = 100;
int price = 0;

printf("请输入商品的价格:");
scanf("%d",&price);

int charge = AMOUNT - price ;

printf("%d" , charge);

return 0;
}

 

---

#include <stdio.h>

int main()
{
printf("身高的英尺和英寸输入");

double foot = 0;
double inch = 0;

scanf("%lf %lf" , &foot , &inch);

double t = ( foot + inch/12 )*0.3048;

printf("%f", t);


return 0;
}

 

#include <stdio.h>

int main()
{
int hour1,minute1;
int hour2,minute2;

printf("之前的时间:");
scanf("%d %d" , &hour1, &minute1);

printf("之后的时间:");
scanf("%d %d", &hour2 , &minute2);

int before = hour1*60 + minute1;
int after = hour2*60 + minute2;

int time = after -before;

printf("时间相差了 %d 小时 %d 分钟", time/60 , time%60);

return 0;
}

 

#include <stdio.h>

int main()
{
int a = 0;
int b = 0;

printf("进行大小的比较,请输入两整数的值:");
scanf("%d %d", &a, &b);

double avg = (a+b)/2.0;

printf("a 和 b 的平均值是 %f", avg);

return 0;
}

 

---

 

#include <stdio.h>

int main()
{
int a = 0;
scanf("%d" ,&a);

int b = (a%100 )%10 * 100 +(a/10)%10 *10 +( a/100 );
printf("倒序的数字是 %d" , b);

return 0;
}