Submission #887595

#	Time	Username	Problem	Language	Result	Execution time	Memory
887595		MinaRagy06	Team Contest (JOI22_team)	C++17	27 / 100	161 ms	3852 KiB

team

#include <bits/stdc++.h>
using namespace std;
#define ll long long
 
const int inf = 1e9;
int mn[305], mx[305];
int main() {
	ios_base::sync_with_stdio(0), cin.tie(0);
	int n;
	cin >> n;
	array<int, 3> a[n];
	for (int i = 0; i < n; i++) {
		cin >> a[i][0] >> a[i][1] >> a[i][2];
	}
	sort(a, a + n);
	int ans = -1;
	int cur = 0;
	for (int i = 0; i < 305; i++) {
		mn[i] = inf;
		mx[i] = -inf;
	}
	for (int i = 0; i < n; i++) {
		while (a[cur][0] < a[i][0]) {
			mx[a[cur][1]] = max(mx[a[cur][1]], a[cur][2]);
			mn[a[cur][1]] = min(mn[a[cur][1]], a[cur][2]);
			cur++;
		}
		int sufxmx[305]{};
		sufxmx[0] = mx[0];
		for (int y = 1; y < 305; y++) {
			sufxmx[y] = max(sufxmx[y - 1], mx[y]);
		}
		int curmn = inf;
		for (int y = 304; y >= max(1, a[i][1] + 1); y--) {
			curmn = min(curmn, mn[y]);
			if (curmn != inf && sufxmx[y - 1] != -inf && curmn < sufxmx[y - 1] && a[i][2] < sufxmx[y - 1]) {
				ans = max(ans, a[i][0] + sufxmx[y - 1] + y);
				break;
			}
		}
	}
	cout << ans << '\n';
	return 0;
}
 
 

• Subtask 1: 0 / 8
• Subtask 2: 0 / 29
• Subtask 3: 9 / 9
• Subtask 4: 9 / 9
• Subtask 5: 9 / 9
• Subtask 6: 0 / 9
• Subtask 7: 0 / 27