有以下程序，其中函数的功能是将多个字符串按字典顺序排序：# include＜string.h＞void f(char*p[],int n){char *t; int i,j;for(i=0;i＜n-1;i++)for(j=i+1;j＜n;j++)if(strcmp(p[i],p[j])＞0){t=p[i];p[i]=p[j]p[j]=t;}}main(){char *p[5]={"abc","aabdfg","abbd","dcdbe","cd"};f(p,5)；printf("%d\n",strlen(p[1]));}程序运行后的输出结果是 ______。