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saidnagi

Subsequence (DP)

Mar 28th, 2017
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C++ 0.33 KB | None | 0 0
  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. int n,m,a[1001],len[1001],ans;
  4. int main(){
  5.     cin>>n;
  6.     for(int i=1;i<=n;i++){
  7.         cin>>a[i];
  8.     }
  9.     for(int i=1;i<=n;i++){
  10.         len[i]=1;
  11.         for(int j=1;j<i;j++){
  12.             if(a[i]>a[j]){
  13.                 len[i]=max(len[j]+1,len[i]);
  14.                 ans=max(ans,len[i]);
  15.             }
  16.         }
  17.     }
  18.     cout<<ans<<endl;
  19.     return 0;
  20. }
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