代码文本:
#include "stdio.h"
#define N 1000
int main(int argc,char *argv[]){
char s[N+1],ch;
int k,t,n;
printf("Enter a text...\n");
for(n=0;n if((ch=getchar())=='\n') break; s[n]=ch; } s[n]='\0'; for(t=k=0;n;n--){ if(s[n]>='a' && s[n]<='z' || s[n]>='A' && s[n]<='Z') t++; else t>k ? k=t,t=0 : t=0; } if(t>k) k=t; printf("%d\n",k); return 0; }