1
2
3
……
4
1.
2.
3.
4.
5.
5
********************
* *
********************
* *
********************
6
#include <stdio.h>
void main()
{
printf("*************\n");
printf(" *\n");
printf("*************\n");
printf(" *\n");
printf("*************\n");
}
#include <stdio.h>
void star ()
{
printf("*************\n");
}
void word()
{
printf("* \n");
}
void main()
{
star(); word(); star();
}
7
8
9
main
a b c
d e
10
C
Cmainmain main
Mainmain
11
—
printf strcmp
—
12
#include <stdio.h>
#include <math.h>
void main()
{
int a;
int b=5;
a=pow(b,2);
printf("%d\n",a);
}
#include <stdio.h>
pow(int b)
{
int a;
a=b*b;
return (a);
}
void main()
{
int x;
x=pow(5);
printf("%d\n",x);
}
13
—
—
14
15
1.
2.
add3,a+b
3.
4.
5.
16
#include <stdio.h>
int sum(int a,int b)
{
int c;
c=a+b;
return (c);
}
void main()
{
int a,b,c;
printf(";");scanf("%d,%d",&a,&b);
c=sum(a,b);
printf("%d\n",c);
}
17
18
19
20
{
}
21
{
}
22
1
sum(2,5);
2
c=2*sum(2,5);
c=sum(5,sum(2,5))
23
24
—
25
return
return
return
26
Return
#include <stdio.h>
int sum(int a,int b)
{
int c;
c=a+b;
return (c);
}
void main()
{
int a,b,c;
printf(" ;");scanf("%d,%d",&a,&b);
c=sum(a,b);
printf("%d\n",c);
}
27
float max(int a,int b)
/**/
double min(int a,int b)
/**/
char leter(char a,char b);
/**/
28
#include <stdio.h>
float add(int a,int b);
void main()
{
int a,b;
printf("");
scanf("%d%d",&a,&b);
printf("%f",add(a,b));
}
float add(int a,int b)
{
float c;
c=a+b;
return (c);
}
29
return void”
30
#include <stdio.h>
int sum(int a,int b)
{
int c;
c=a+b;
return (c);
}
void main()
{
int a,b,c;
printf(" ;");scanf("%d,%d",&a,&b);
c=sum(a,b);
printf("%d\n",c);
}
31
1.min2
2.c
3.
4.c
32

33
#include <stdio.h>
int sum (int *p,int *q)
{
int sum;
sum=*p+*q;
return (sum);
}
void main()
{
int a,b;
printf(",");
scanf("%d,%d",&a,&b);
printf("sum=%d\n",sum(&a,&b));
}
34
#include <stdio.h>
int sum(int a,int b);//
int pow(int x);//
void main()
{
int a,b,c;
printf("ab");
scanf("%d%d",&a,&b);
c=sum(a,b);
printf("c=%d\n",c);
}
//
int sum(int a,int b)
{
int c;
c=pow(a)+pow(b);
return c;
}
//
int pow(int x)
{
int y;
y=x*x;
return y;
}
35
36
,
37
38
auto
extern
static
register
39