Submission #464567

#	Time	Username	Problem	Language	Result	Execution time	Memory
464567		pikel_rik	Aliens (IOI16_aliens)	C++17	0 / 100	0 ms	204 KiB

aliens

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

long long take_photos(int n, int m, int k, vector<int> r, vector<int> l) {
	for (int i = 0; i < n; i++) {
		if (r[i] < l[i]) {
			swap(r[i], l[i]);
		}	
	}
	
	vector<int> ind(n);
	iota(ind.begin(), ind.end(), 0);
	sort(ind.begin(), ind.end(), [&](int i, int j) {
		return l[i] < l[j] || (l[i] == l[j] && r[i] > r[j]);
	});

	int mx = INT_MIN;
	ind.erase(remove_if(ind.begin(), ind.end(), [&](int i) {
		if (r[i] <= mx) {
			return true;
		} else {
			mx = r[i];
			return false;
		}
	}), ind.end());

	int sz = (int) ind.size();
	sort(ind.begin(), ind.end(), [&](int i, int j) {
		return r[i] < r[j];
	});

	for (int i = sz - 1; i >= 0; i--) {

	}

	return 0;
}

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