云南大学软件学院C语言所有实验代码

第二次试验///第三次试验

=====================程序============================

#include

int main()

{

/*十进制*/

printf("%d\n",3+4*6);

printf("%d\n",3*4/6+6);

printf("%d\n",2*3/12*8/4);

printf("%d\n",10*(1+7*3));

printf("%d\n", 20-2/6+3);

printf("%d\n", 20-2/(6+3));

printf("%d\n", (20-2)/6+3);

printf("%d\n", (20-2)/(6+3));

/*9－16显示为小数，保留小数2位，宽度为8*/

printf("%8.2f\n",3.0+4.0*6.0);

printf("%8.2f\n",3.0*4.0/6.0+6.0);

printf("%8.2f\n",2.0*3.0/12.0*8.0/4.0);

printf("%8.2f\n",10.0*(1.0+7.0*3.0));

printf("%8.2f\n",20.0-2.0/6.0+3.0);

printf("%8.2f\n",20.0-2.0/(6.0+3.0));

printf("%8.2f\n",(20.0-2.0)/6.0+3.0);

printf("%8.2f\n",(20.0-2.0)/(6.0+3.0));

/*17－20显示为字符*/

printf("%c\n", 'm' - 5);

printf("%c\n", 'm' + 5);

printf("%c\n", 'G' + 6);

printf("%c\n", 'G' - 6);

/*21－23显示为十进制整数*/

printf("%d\n", 'b' - 'a');

printf("%d\n", 'g' - 'a' + 1);

printf("%d\n", 'g' - 'a' + 1);

}

=======================运行结果====================================

=================================程序==========================

#include

int main ()

{

float Cel,Fah;

printf("print a Fah number：");

scanf("%f",&Fah);

Cel=5.0/9.0*(Fah-32);

printf("The Cel number is%f\n",Cel);

printf("print a Cel number：");

scanf("%f",&Cel);

Fah=32+9.0*Cel/5.0;

printf("The Fah number is:%f \n",Fah);

return 0;

}

============================运行结果=========================

第四次试验

************************************(1)程序**********************************

#include

int main()

{

int num1,num2,num3,max,min;

printf("please input three numbers:\n");

scanf("%d %d %d",&num1,&num2,&num3);

max=(num1>num2)?num1:num2;

min=(num1<=num2)?num1:num2;

max=(num3>max)?num3:max;

min=(num3

printf("max = %d min = %d",max,min);

return 0;

}

**************************************运行结果*********************************

**************************************(2)程序*********************************

#include

int main()

{

int a;

float profit,