第一次C程序设计作业

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感觉和WORD很像啊....自动纠错碉堡了

// 例 5-7.cpp : 定义控制台应用程序的入口点。//#include "stdafx.h"/*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");}

运行结果

// 例 5-10.cpp : 定义控制台应用程序的入口点。//#include "stdafx.h"#include<stdio.h>void main(){ int i,j;  int sum1,sum2=0;  for(i=1;i<=5;i++) { sum1=1;   for(j=1;j<=i;j++)     sum1=sum1*j;   sum2=sum2+sum1;  }  printf("1!+2!+3!+4!+5!=%d\n",sum2);}

运行结果

/*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 three numbers:\n");    scanf("%d%d%d",&x,&y,&z);d=max(x,y);    d=max(d,z);printf("maxmum=%d\n",d);}void printfline(){ printf("This is a C program!\n" );}int max(int a,int b){if(a>b)return a;else return b;}

运行结果

/*源程序:6_3.cpp*/# include<stdio.h>void main(){void swap(int x,int y);int a,b;a=2,b=6;printf("调用前：a=%d,b=%d\n",a,b);swap(a,b);printf("调用后：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);}