View Code of Problem 10

#include<iostream>
using namespace std;

int main(){
	int N, a[4], i, j, num;
	cin >> N;
	while(N--){
		num = 0;
		cin >> a[0] >> a[1] >> a[2] >> a[3];
		for(i=3;i>0;i--){
			for(j=i-1;j>=0;j--){
				if(a[i] == a[j]){
					a[i] = a[i] + a[j];
					a[j] = 0;
					break;
				}
			}
		}
		for(i=3;i>0;i--){
			if(a[i] == 0){
				for(j=i-1;j>0;j--){
					if(a[j]>0){
						a[i] = a[j];
						a[j] = 0;
					}
				}
			}
		}
		for(i=0;i<4;i++){
			if(i==3)
				cout << a[i] << endl;
			else
				cout << a[i] << " ";
		}
	}
}

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