#include #includeusingnamespace std;constint N &#61;1e3&#43;5;int n; int a[N]; int f[N];intmain(){cin >> n;for(int i &#61;0; i < n;&#43;&#43;i) cin >> a[i];for(int i &#61;0; i < n;&#43;&#43;i){f[i]&#61; a[i];for(int j &#61;0; j < i;&#43;&#43;j)if(a[i]> a[j])f[i]&#61;max(f[i], f[j]&#43; a[i]);}int res &#61;0;for(int i &#61;0; i < n;&#43;&#43;i) res &#61;max(res, f[i]);cout << res << endl;return0; }