1261-字符串排序3 求大佬指点指点，为什么AC不了呀
#include<iostream>
#include<string.h>
#include<algorithm>
using namespace std;
typedef struct str {
string s;
int len;
} Str;
bool cmp(Str a, Str b) {
return a.len < b.len;
}
int main() {
int n;
while(cin >> n) {
Str str[n];
string ss;
getchar(); //用getchar()将换行符\n吃掉，否则用gerline()读字符串时会将换行符也读进去
for(int i = 0; i < n; i++) {
getline(cin, ss);
if(ss == "stop") {
break;
}
str[i].s = ss;
str[i].len = ss.length();
}
...
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当中途有stop，你的代码break之后for循环还是会输出n行，就会多出很多空行