#include<bits/stdc++.h> using namespace std; vector<int>a; int main(){ int n; cin>>n; while(n--){ for(int i=0;i<4;++i){ ///0 2 2 2 2 0 2 0 8 4 2 2 0 0 0 0 2 0 2 0 2 4 6 8 !!! int data; scanf("%d",&data); ///不如打表 if(data!=0) a.push_back(data); } if(a.size()==0){ cout<<"0 0 0 0"<<endl; continue; } for(int i=a.size()-1;i>0;--i){ if(a[i]==a[i-1]){ a[i]*=2; a.erase(a.begin()+i-1); --i; } } if(a.size()==4){ cout<<a[0]<<" "<<a[1]<<" "<<a[2]<<" "<<a[3]<<endl; } else{ for(int i=0;i<4-a.size();++i) cout<<"0 "; for(int i=0;i<a.size()-1;++i){ cout<<a[i]<<" "; } cout<<a[a.size()-1]<<endl; } a.clear(); } return 0; } |
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