实验课素材

实验1

 1 #include<stdio.h>
 2 int main()
 3 {
 4  int a,b,sum;
 5  a=123;
 6  b=456;
 7  sum=a+b;
 8  printf("sum is %d",sum);
 9  return 0;
10 }

 

 

实验2.1

 1 #include<stdio.h>
 2 int main()
 3 {
 4  char c1,c2;
 5  c1=97;
 6  c2=98;
 7  printf("c1=%c,c2=%c\n",c1,c2);
 8  printf("c1=%d,c2=%d\n",c1,c2);
 9  return 0;
10 }

 

实验2.2

 1 #include<stdio.h>
 2 int main()
 3 {
 4  char c1,c2;
 5  c1=197;
 6  c2=198;
 7  printf("c1=%c,c2=%c\n",c1,c2);
 8  printf("c1=%d,c2=%d\n",c1,c2);
 9  return 0;
10 }

 

实验3.1

 

实验3.2

 1 #include<stdio.h>
 2 int main()
 3 {
 4 
 5 long double z;
 6  float x,y,d;
 7  scanf("%f%f",&x,&y);
 8  if(y>0){
 9   d=1/y;
10  }else {d=-(1/y);}
11     z=x+d;
12  printf("%e",z);
13 }

 

 

实验3.3

 1 #include<stdio.h>
 2 int main()
 3 {
 4  float x,y,d,z;
 5  scanf("%f%f",&x,&y);
 6  if(y>0){
 7   d=1/y;
 8  }else {d=-(1/y);}
 9     z=x+d;
10  printf("%e",z);
11 }

 

posted @ 2019-04-08 15:23  哆啦**  阅读(137)  评论(0)  编辑  收藏  举报