Submission #210218

#	Time	Username	Problem	Language	Result	Execution time	Memory
210218		super_j6	Bigger segments (IZhO19_segments)	C++14	27 / 100	1576 ms	13816 KiB

segments

#include <iostream>
#include <cstdio>
#include <algorithm>
using namespace std;
#define endl '\n'
#define pi pair<int, int>

const long long inf = 1000000000000007;
const int maxn = 3000;
int n;
int a[maxn];
long long dp[maxn][maxn];

int main(){
	ios::sync_with_stdio(false);
	cin.tie(NULL);
	
	cin >> n;
	
	for(int i = 0; i < n; i++){
		cin >> a[i];
		dp[0][i] = a[i] + (i ? dp[0][i - 1] : 0);
	} 
	
	int ret = 1;
	for(int i = 1; i < n; i++)
	for(int j = 0; j < n; j++){
		dp[i][j] = inf;
		for(long long k = j - 1, s = a[j]; k >= 0; k--){
			if(dp[i - 1][k] <= s){
				dp[i][j] = s;
				break;
			} 
			s += a[k];
		}
		if(dp[i][j] != inf) ret = i + 1;
	}
	
	
	cout << ret << endl;

	return 0;
}

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