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#include <stdio.h>#include <stdlib.h>
int main()
{
int len=100;
char *p=NULL;
int cnt=0,c;
p = (char *)malloc(len);
while((c = getchar())!='\n')
{
p[cnt++] = c;
if(cnt >= len-1)
{
len+=100;
p=(char *)realloc(p, len);//ä¸å¤ï¼éæ°åé å åã
}
}
p[cnt] = 0;
puts(p);
free(p);
return 0;
}
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