题解 | #明明的随机数#

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

int main() {
   
   int N;
   cin >> N;
    vector<int> container(N, 0);

   for (int i = 0; i < N; i++){
     cin >> container[i];
   }

   // 排序
   std::sort(container.begin(), container.end());

   // 去重
   auto it = std::unique(container.begin(), container.end());
   container.erase(it, container.end());
   

   for (auto & b : container){
        std::cout << b << std::endl;
   }
}
// 64 位输出请用 printf("%lld")