求解为啥只过一个点

#include<iostream>
#include<cstdio>
#include<cstdlib>
#include<cstring>
using namespace std;
//是否可组成回文
bool judge(int x) {
	bool f=false;
	int cnt=0;
	int Num[10];
	memset(Num,0,sizeof(Num));
	while(x>0) {
		Num[x%10]++;
		x/=10;
		cnt++;
	}
	if(cnt%2!=0)return 0;//偶数位数
	for(int i=0; i<10; i++) {
		if(Num[i]==cnt)return 1;
		if(Num[i]%2!=0&&Num[i]!=1)return 0;
		if(Num[i]%2==1&&f)return 0;
		if(Num[i]%2==1)f=1;
	}
	return 1;
}

int N;
int ss;
int main() {
	cin>>N;
	for(int i=0; i<N; i++) {
		cin>>ss;
		for(int i=ss-1; i>=0; i--)if(judge(i)) {
				cout<<i<<endl;
				break;
			}
	}
	return 0;
}