#include <algorithm> #include <iostream> using namespace std; int n,a[1005] ; struct Node { int h, j, m, w; Node (const int _h, const int _j, const int _m, const int _w) : h (_h) , j (_j) , m (_m) ,w (_w) {} Node operator+ (const Node &o) const { return Node( max(h,w+o.h) , max(max (j,o.j) ,m +o.h) , max(m+o.w,o.m) , w+o.w) ; } } ; Node solve1 (int h,int m) { if (h>m) return Node (-1, -1, -1, -1) ; if (h==m) return Node(max(a[h], 0) , max(a[h], 0) , max(a[h], 0) ,a[h]) ; int j= (h + m) >> 1; return solve1 (h, j) + solve1(j+1, m); } int solve2 (int h, int m) { if (h>m) return -1; if (h==m) return max(a[h], 0) ; int j= (h+m) >> 1; int wh=0,wm =0; int wht=0,wmt=0; for (int i = j; i >= h; i--) { wht +=a[i] ; wh =max(wh,wht) ; } for (int i = j+1; i <= m; i++){ wmt +=a[i] ; wm=max(wm,wmt) ; } return max (max(solve2(h, j), solve2(j+1,m)) ,wh + wm) ; } int main ( ) { cin >> n; for (int i=1; i <= n; i++) cin >> a[i]; cout << solve1(1, n).j << endl; cout << solve2(1, n) << endl; return 0; }