Submission #1125019

#	Time	Username	Problem	Language	Result	Execution time	Memory
1125019		nikatamliani	Bigger segments (IZhO19_segments)	C++20	27 / 100	54 ms	2376 KiB

segments

#include <bits/stdc++.h>
using namespace std;
#define int long long
const int N=500+5,mod=1e18+7;
int n,p[N],ans,l,r,md,x;

int dp[N][N];

signed main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	cin>>n;

	for (int i=1; i<=n; i++) {
		cin>>p[i];
	}
	for (int i=1; i<=n; i++){
		p[i]+=p[i-1];
	}

	for (int i = 0; i <= n; ++i) {
		for (int j = 0; j <= n; ++j) {
			dp[i][j] = mod;
		}
	}
	dp[0][0] = 0;

	for (int i = 1; i <= n; ++i) {
		for (int j = 1; j <= i; ++j) {
			for (int k = 1; k <= i; ++k) {
				if (dp[k - 1][j - 1] <= p[i] - p[k - 1]) {
					dp[i][j] = p[i] - p[k - 1];
				}
			}

			if (dp[i][j] != mod) {
				assert(dp[i][j] <= dp[i][j - 1]);
			}
		}
	}

	int ans = 0;
	for (int i = 1; i <= n; ++i) {
		if (dp[n][i] != mod) {
			ans = i;
		}
	}

	cout << ans << endl;

}

• Subtask 1: 13 / 13
• Subtask 2: 14 / 14
• Subtask 3: 0 / 10
• Subtask 4: 0 / 36
• Subtask 5: 0 / 27