始终显示格式错误，求大佬帮忙看看，谢谢~#include<string>(5850)#include<iostream>using namespace std;int main(){    string s;    while(cin>>s)    {        int left = 0, right = s.length()-1;        int n1,n2,n3;        n1 = n3 = (s.length()+2)/3;        n2 = s.length()+2 - (s.length()+2)*2/3;        for(int i = 1; i < n1; i++)        {            cout<<s[left++];            for(int j = 1; j <= n2-2; j++)                cout<<' ';            cout<<s[right--]<<endl;        }        while(left<=right)            cout<<s[left++];        cout<<endl;    }}  「求助大佬帮看看这道算法题吧！」Given any string of N (>=5) characters, you are asked to form the characters into the shape of U. Fo... https://www.nowcoder.com/questionTerminal/c6e414fddd7c401887c350c9cc41f01b