Submission #210224

#	Time	Username	Problem	Language	Result	Execution time	Memory
210224		super_j6	Bigger segments (IZhO19_segments)	C++14	0 / 100	5 ms	376 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 = 0; i < n; i++)
	for(int j = 0; j < n; j++){
		if(!dp[i][j]) continue;
		else ret = i + 1;
		int it = lower_bound(dp[0], dp[0] + n, dp[i][j] + dp[0][j]) - dp[0];
		if(it < n) dp[i + 1][it] = dp[0][it] - dp[0][j];
	}
	
	cout << ret << endl;
 
	return 0;
}

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