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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. const long long MaxN = 1e2 + 5, MaxV=1e5+5;
  4. long long n, a[MaxN], dp[MaxV];
  5. void input()
  6. {
  7.     cin >> n;
  8.     for (long long i=1; i<=n; i++)
  9.     {
  10.         cin >> a[i];
  11.     }
  12. }
  13. void solve()
  14. {
  15.     memset(dp,0,sizeof(dp));
  16.     long long cnt =0;
  17.     dp[0]=1;
  18.     for (long long i=1; i<=n; i++)
  19.     {
  20.         for (long long j=MaxV; j>=0; j--)
  21.         {
  22.             if(dp[j]==1&&dp[j+a[i]]==0)
  23.             {
  24.                 dp[j+a[i]]=1;
  25.                 cnt++;
  26.             }
  27.  
  28.         }
  29.     }
  30.     cout << cnt << "\n";
  31.     for (long long i=1; i<=MaxV; i++)
  32.     {
  33.         if(dp[i]==1)
  34.         {
  35.             cout << i << " ";
  36.         }
  37.     }
  38. }
  39. int main()
  40. {
  41.     ios_base::sync_with_stdio(0);
  42.     cin.tie(0);
  43.     input();
  44.     solve();
  45. }
  46.  
Success #stdin #stdout 0s 5324KB
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https://ideone.com/IUG0Gs
language:
C++14 (gcc 8.3)
created:
19 hours ago
visibility:
public

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