exam8-15.cpp

很好的C程序设计教程

/*文件名:exam8_15.cpp*/
#include <stdio.h>
#include <stdlib.h>
#define LEN 256
int getline(char *s,int len);
main()
{
	char line[LEN],b[20],*pal,*pab;
	int n=0,j,a[50];
	getline(line,LEN);       	/*输入一行,最多包含256个字符*/
	pal=line;
	while (*pal!='\0') 
	{
		pab=b;
		for (j=0;*pal>='0' && *pal<='9';pal++,pab++,j++) 
			*pab=*pal;
		if (j>0) 
		{
			*pab='\0';
			*(a+n)=atoi(b);   	/*将字符b转换为整数*/
			n++;
		}
		if (*pal!='\0') pal++;
	}
	printf("输出数序：\n");
	for (j=0;j<n;j++) 
		printf("%8d\n",*(a+j));
}
int getline(char *s,int len)
{
	int c;
	printf("输入一行字符串：");
	char *p=s;
	while (--len>0 && (c=getchar())!='\n')
		*s++=c;
	*s='\0';
	return (s-p);
}