zjut practice 1.19
1:#include<iostream> 2:#include<vector> 3:#include<algorithm> 4:using namespace std; 5: 6:int main(){ 7: for(int n;cin>>n && n!=0;){ 8: vector<int>a(n),b(n); 9: 10: for(int i=0;i<n;i++){ 11: cin>>a>>b;12: }13: sort(a.begin(),a.end());14: sort(b.begin(),b.end());15: 16: int flag=0;17: for(int j=0;j<n;j++){18: if(a!=b){flag=1;break;}19: }20: cout<<(flag==0?"YES\n":"NO\n");21: }22:}23:
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