View Code of Problem 10

#include<cstdio>
#include<iostream>
#include<algorithm>
#include<cmath>
#include<cstring>
#include<vector>
#include<map>
#include<string>
#include<set>
using namespace std;
int a[100];
int main(){
    int t;
    cin>>t;
    vector<int>v;
    while(t--)
    {
        for(int i=0;i<4;i++)cin>>a[i];
        for(int i=3;i>=1;i--)
        {
            int j=i-1;
            while(j>=0)
            {
                if(a[i]==a[j]&&a[i]>=1)
                {
                    a[i]=a[i]*2;
                    a[j]=0;
                    break;
                }
                else if(a[i]!=a[j]&&a[j]>=1&&a[i]>=1)break;
                else j--;
            }
        }
        for(int i=0;i<4;i++)
        {
            if(a[i]!=0)v.push_back(a[i]);
        }
        for(int i=0;i<4-v.size();i++)a[i]=0;
        for(int i=4-v.size();i<4;i++)
            a[i]=v[i-4+v.size()];
        cout<<a[0]<<" "<<a[1]<<" "<<a[2]<<" "<<a[3]<<endl;
        v.clear();
    }
    return 0;
}