第二次C语言作业

5-7

运行结果

5-10

运行结果

6-2

 

/*源程序:exp6_2.cpp*/#include<stdio.h>void main(){ void printfline();int max(int a,int b);int x,y,z,d;printfline();printf("input there number:\n");scanf("%d%d%d",&x,&y,&z);d=max(x,y);d=max(d,z);printf("maxmaum=%d\n",d);}void printfline(){printf("there is a C program!\n");}int max(int a,int b){if(a>b)return a;else return b;}

运行结果

6-3

/*源程序:exp6_3.cpp*/#include<stdio.h>void main(){ void swap(int x,int y);int a,b;a=2,b=6;printf("调试前:a=%d,b=%d\n",a,b);swap(a,b);printf("调试后:a=%d,b=%d\n",a,b);}void swap(int x,int y){int temp;printf("交换前:x=%d,y=%d\n",x,y);temp=x;x=y;y=temp;printf("交换后x=%d,y=%d\n",x,y);}

运行结果