第三个测试点过不去,不知道为什么,测试了一下0 6174 两位数三位数输出都没问题,请问一下代码是哪里还没考虑到么
https://pintia.cn/problem-sets/994805260223102976/problems/994805302786899968
题目地址
我的代码:
#include<iostream>
#include<string>
#include<vector>
#include<algorithm>
using namespace std;
int main()
{
int n;
cin >> n;
vector<int> num(4, 0);
while(1)
{
int cnt = 0;
while(n/10 != 0)
{
num[cnt++] = (n % 10);
n /= 10;
}
num[cnt] = n;
sort(num.begin(), num.end());
int n1 = num[0] + num[1] * 10 + num[2] * 100 + num[3] * 1000;
int n2 = num[3] + num[2] * 10 + num[1] * 100 + num[0] * 1000;
int n3 = n1 - n2;
printf("%04d - %04d = %04d\n", n1, n2, n3);
n = n3;
if(n == 6174 || n == 0)
break;
}
return 0;
}