Submission #524880

#	Time	Username	Problem	Language	Result	Execution time	Memory
524880		boykut	Table Tennis (info1cup20_tabletennis)	C++14	100 / 100	124 ms	3012 KiB

tabletennis

#include <bits/stdc++.h>

using namespace std;

int a[300000], ans[300000], anssize;

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);

	int n, k;
	cin >> n >> k;
	for (int i = 0; i < n + k; i++) {
		cin >> a[i];
	}
	sort(a, a + n + k);

	function<void(int)> check = [&](int sum) {
		anssize = 0;
		int p = 0, l = 0, r = n + k - 1;
		while (l < r) {
			if (a[l] + a[r] > sum) p++, r--;
			else if (a[l] + a[r] < sum) p++, l++;
			else {
				if (anssize < n)
					ans[anssize++] = a[l], ans[anssize++] = a[r];
				l++, r--;
			}
			if (p > k) return;
		}
		sort(ans, ans + anssize);
		l = 0, r = anssize - 1;
		while (l <= r) {
			cout << ans[l++] << ' ';
		}
		exit(0);
	};

	for (int i = 0; i <= k; i++) {
		for (int j = max(i + 1, n - 1); j < n + k; j++) {
			check(a[i] + a[j]);
		}
	}

	return 0;
}

• Subtask 1: 11 / 11
• Subtask 2: 9 / 9
• Subtask 3: 14 / 14
• Subtask 4: 15 / 15
• Subtask 5: 9 / 9
• Subtask 6: 14 / 14
• Subtask 7: 15 / 15
• Subtask 8: 13 / 13