#include <iostream>
using namespace std;
const int N = 1010;
int n;
int a[N], f[N];
int main() {
cin >> n;
for (int i = 1; i <= n; ++i) cin >> a[i];
for (int i = 1; i <= n; ++i) {
f[i] = a[i];
for (int j = 1; j < i; ++j) {
if (a[i] > a[j]) {
f[i] = max(f[i], f[j] + a[i]);
}
}
}
int ans = 0;
for (int i = 1; i <= n; ++i) ans = max(ans, f[i]);
cout << ans << endl;
return 0;
}
原文:https://www.cnblogs.com/clown9804/p/12581297.html