题解

#include<iostream>
#include<algorithm>
using namespace std;
struct ren{
    int number;
}a[100010];
int cmp(ren a,ren b){
    if(a.number%10!=b.number%10){
        return a.number%10>b.number%10;
    }else{
        return a.number<b.number;
    }
}
int main(){
    int n;
    cin>>n;
    for(int i=0;i<n;i++){
        cin>>a[i].number;
    }
    sort(a,a+n,cmp);
    for(int i=0;i<n;i++){
        cout<<a[i].number<<'\n';
    }
    return 0;
}