Submission #555671

#	Time	Username	Problem	Language	Result	Execution time	Memory
555671		fuad27	Aliens (IOI16_aliens)	C++17	12 / 100	184 ms	2260 KiB

aliens

#include "aliens.h"
#include<bits/stdc++.h>
using namespace std;
const long long INF = 1e18;
long long take_photos(int n, int m, int k, std::vector<int> r, std::vector<int> c) {
	for(int i = 0;i<n;i++) {
		if(c[i] < r[i]) {
			swap(c[i], r[i]);
		}
	}
	vector<pair<int,int>> pts;
	for(int i = 0;i<n;i++) {
		pts.push_back({c[i], r[i]});
	}
	sort(pts.begin(), pts.end());
	long long dp[n+1][k+1];
	for(int i = 1;i<=n;i++) {
		dp[i][0] = INF;
	}
	for(int i = 0;i<=k;i++)dp[0][i] = 0;
	for(int i = 1;i<=n;i++) {
		for(int j = 1;j<=k;j++) {
			int  mx = 0;
			dp[i][j] = INF;
			for(int z = i;z>=1;z--) {
				mx = max(mx, pts[i-1].first-pts[z-1].second+1);
				dp[i][j] = min(dp[i][j], dp[z-1][j-1] + mx*mx);
			}
			dp[i][j] = min(dp[i][j], dp[i][j-1]);
		}
	}
	return dp[n][k];
}

• Subtask 1: 0 / 4
• Subtask 2: 12 / 12
• Subtask 3: 0 / 9
• Subtask 4: 0 / 16
• Subtask 5: 0 / 19
• Subtask 6: 0 / 40