#include<iostream> using namespace std; int main(){ int n,a[4]={0}; cin>>n; while(n--){ for(int i=0;i<4;i++){ cin>>a[i]; } for(int i=3;i>=0;i--){ if(a[i]!=0&&a[i]==a[i-1]){ a[i]=a[i]*2; a[i-1]=0; } } for(int i=0;i<4;i++){ if(a[i+1]==0){ swap(a[i],a[i+1]); } } for(int i=0;i<4;i++){ if(i==3)cout<<a[i]<<endl; else cout<<a[i]<<" "; } } return 0; } |
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