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• 

  ‮队团加不）童帅_者仇复

  

  删除

  sort+unique也行

  2025-02-02 来自 广东

  1
• 

  186****2610

  

  删除

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  254
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  正片开始：
  #include<iostream>
  using namespace std;
  int main(){
  int n,a[1001]={0},x,m=0;
  cin >> n;
  for(int i=0;i<n;i++){
  cin >> x;
  a[x];
  }
  for(int i=0;i<1001;i){
  if(a[i]>0)
  m++;
  }
  cout << m << endl;
  for(int i=0;i<1001;i++){
  if(a[i]>0)
  cout << i << " ";
  }
  }

  2025-04-13 来自 上海

  0
• 

  ……

  

  删除

  #include <bits/stdc++.h>
  using namespace std;
  int n,a[105],ans;
  int main() {
  cin>>n;
  for(int i=1;i<=n;i++){
  cin>>a[i];
  }
  sort(a+1,a+1+n);
  for(int i=1;i<=n;i++){
  if(a[i]!=a[i-1]){
  ans++;
  }
  }
  cout<<ans<<endl;
  for(int i=1;i<=n;i++){
  if(a[i]!=a[i-1]){
  cout<<a[i]<<" ";
  }
  }
  return 0;
  }

  2025-03-29 来自 浙江

  0