Submission #575166

#	Time	Username	Problem	Language	Result	Execution time	Memory
575166		d4xn	Mountains (IOI17_mountains)	C++17	20 / 100	1 ms	312 KiB

mountains

#include "mountains.h"
#include <bits/stdc++.h>
using namespace std;

#define ld long double

const int N = 2002;

int n, ans;
int dp[N];

int maximum_deevs(vector<int> y) {
	n = y.size();
	ans = 1;
	for (int i = 0; i < n; i++) {
		dp[i] = 1;
		for (int j = i-1; j >= 0; j--) {
			for (int k = j+1; k < i; k++) {
				ld a = i;
				ld b = j;
				ld c = y[i];
				ld d = y[j];
				ld e = k;
				ld p = (c-d) / (a-b);
				ld h = d + ((e-b) * p);
				ld h2 = y[k];
				if (h2 > h) dp[i] = max(dp[i], dp[j]+1);
			}
		}
		ans = max(ans, dp[i]);
	}
	return ans;
}

• Subtask 1: 20 / 20
• Subtask 2: 0 / 20
• Subtask 3: 0 / 30
• Subtask 4: 0 / 30