View Code of Problem 10

#include<bits/stdc++.h>
using namespace std;
int a[4];
int main(){
	int n;
	cin>>n;
	while(n--){
		for(int i=0;i<4;i++)cin>>a[i];
		for(int i=3;i>=0;i--){
			if(a[i]==a[i-1])
			{
				a[i]=a[i]+a[i-1];
				a[i-1]=0;
			}
		}
		for(int i=0;i<4;i++)cout<<a[i]<<" ";
		cout<<endl;
	}
	return 0;
}