简单实现 1075 明明的随机数

#include<iostream>#include<algorithm>#include<vector>using namespace std;int main(){    int inp,i,k;    cin>>inp;    vector<int>v(inp);    for(i=0;i<inp;i++){        cin>>v[i];    }        sort(v.begin(),v.end());    v.erase( unique(v.begin(), v.end() ), v.end() );    cout<<v.size()<<endl;    for(k=0;k<v.size();k++)    {        cout<<v[k]<<" ";    }}