20170819_去除掉重复元素使其唯一并排序

20170819_取出重复元素使其唯一并排序

//测试程序：#include<iostream>#include<vector>#include<algorithm>#include<numeric>#include<functional>#include<cstdlib>#include<ctime>using namespace std;class Solution{public:void deleteCopyAndSort(int n){vector<int> num(n,0);for(int i=0; i<n; ++i)cin>>num[i];int sz1=num.size();cout<<sz1<<endl;for(int i=0; i<=sz1-2; ++i)cout<<num[i]<<" ";cout<<num[sz1-1]<<endl;sort(num.begin(),num.end());//排序num.erase(unique(num.begin(),num.end()),num.end());//去重int sz2=num.size();cout<<sz2<<endl;for(int i=0; i<=sz2-2; ++i)cout<<num[i]<<" ";cout<<num[sz2-1]<<endl;}};int main(void){int n=0;cin>>n;class Solution object;object.deleteCopyAndSort(n);system("pause");return 0;}