C语言 输出一行英文字符串中最长的单词

Posted 2022-10-05 奕兴_Victor

#include <stdio.h>
#include <string.h>
int alphabetic(char c)
	if((c>='a'&&c<='z')||(c>='A'&&c<='z'))
		return 1;
	else
		return 0;

int longest(char string[])
	int len=0,i,length=0,flag=1,place=0,point;
	for(i=0;i<=strlen(string);i++)
		if(alphabetic(string[i]))
			if(flag)
				point=i;
				flag=0;
			else
				len++;
		else
			flag=1;
			if(len>=length)
				length=len;
				place=point;
				len=0;
			
		
	return place;

int main()
    int i;
	char line[100];
	printf("请输入一个英文字符串：");
	gets(line);
	printf("最长的单词是：");
	for(i=longest(line);alphabetic(line[i]);i++)
		printf("%c",line[i]);
    return 0;