C语言程序设计 入门源代码代码集合

printf("the sum = %d\n",sum(n1,n2));
getchar();
}
演示3
#include "stdio.h"
int maxnum(int,int,int);
main()
{
int a,b,c;
printf("Please enter 3 numbers:\n");
scanf("%d,%d,%d",&a,&b,&c);
print_welcome();
print_star();
getchar();
}
演示2
#include "stdio.h"
int sum(int i,int j)
{
return(i + j);
}
void main()
{
int n1,n2;
printf("input 2 numbers:\n");
scanf("%d%d",&n1,&n2);
return sum;
}
int main(void)
{
printf("sum of %d power of integer from 1 to %d = ",K,N);
printf("%ld\n",f1(N,K));
return 0;
}
演示12
#include <stdio.h>
int min(int a,int b);
scanf("%d",&n);
printf("s=%d\n",sum(n));
}
演示5
#include <stdio.h>
void func(int n)
{
int i;
for(i=n-1;i>=1;i--)
n=n+i;
printf("n=%d\n",n);
}
void main()
{
int n;
printf("Input n:");
int sum(int n)
{
int i,s=0;
for(i=0;i<=n;i++)
s=s+i;
return s;
}
void main()
{
int m,sn;
scanf("%d",&m);
sn=sum(m);
printf("the sum is %d\n",sn);
}
演示10
#include <stdio.h>
return 0;
}
void swap(int x,int y)
{
int temp;
temp = x;
x = y;
y = temp;
printf("swap number is : x = %d,y = %d \n",x,y);
}
演示11
#include "stdio.h"
#define K3
#define N5
void swap(int ห้องสมุดไป่ตู้,int y);
int main()
{
int a,b;
printf("input 2 numbers :\n");
scanf("%d,%d",&a,&b);
printf("input number is:a=%d,b=%d \n",a,b);
swap(a,b);
printf("input 2 numbers is:a=%d,b=%d\n",a,b);
int main(void)
{
int j,k,mininum;
printf("input 2 integers:");
scanf("%d,%d",&j,&k);
mininum = min(j,k);
printf("\n of the two values %d and %d,the mininum is %d\n",j,k,mininum);
int s1(int n)
{
int j,s;
s=0;
for(j=1;j<=n;j++)
s=s+j;
return s;
}
int sum(int n)
{
int i,s=0;
for(i=1;i<=n;i++)
s=s+s1(i);
return s;
}
void main()
{
int n;
printf("n:");
return 0;
}
int min(int a,int b)
{
if(a<b)
return a;
else
return b;
演示1
#include <stdio.h>
void print_star(void)
{
printf("*****************\n");
}
void print_welcome(void)
{
printf("C language,welcome!\n");
}
void main()
{
print_star();
r=func((x--,y++,x+y),z--);
printf("%d\n",r);
}
演示8
#include <stdio.h>
max(float x,float y)
{
return x>y? x:y;
}
void main()
{
printf("%d\n",max(2,3.5));
}
演示9
#include <stdio.h>
long f2(int n,int k)
{
long power = n;
int i;
for(i=1;i<k;i++)
power *=n;
return power;
}
long f1(int n,int k)
{
long sum = 0 ;
int i;
for(i=1;i<=n;i++)
sum = sum + f2(i,k);
printf("Maxnum is %d\n",maxnum(a,b,c));
return 0;
}
int maxnum(int x,int y,int z)
{
int max=x;
if(y>max)
max = y;
if(z>max)
max = z;
return max;
}
演示4
#include <stdio.h>
{
int a,b;
a=3;b=10;
swap(a,b);
printf("a=%d,b=%d\n",a,b);
}
演示7
#include <stdio.h>
int func(int a,int b)
{
int c;
c=a+b;
return c;
}
void main()
{
int x=6,y=7,z=8,r;
scanf("%d",&n);
func(n);
printf("n=%d\n",n);
}
演示6
#include <stdio.h>
void swap(int a,int b)
{
int temp;
temp=a;a=b;b=temp;
printf("swap : a=%d,b=%d\n",a,b);
}
void main()