第一次程序报告（例题）

/*源程序:exp5_7.cpp*/#include<stdio.h>void main(){ int n,i=0;  for(n=100;n<=150;n++)  {if(n%3==0)     continue;  printf("%d",n);  i++;  if(i%10==0)    printf("\n");  }  printf("\n");}

/*源程序:exp5_10.cpp*/#include<stdio.h>void main(){ int i,j;  int sum1,sum2=0;  for(i=1;i<=5;i++)  {sum1=1;   for(j=1;j<=1;j++)sum1=sum1*j;   sum2=sum2+sum1;  }  printf("1!+2!+3!+4!+5!=%d\n",sum2);}

/*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;}

/*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);}