Submission #1018651

#	Time	Username	Problem	Language	Result	Execution time	Memory
1018651		Unforgettablepl	Team Contest (JOI22_team)	C++17	100 / 100	78 ms	18604 KiB

team

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

#define int long long


int32_t main(){
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
	int n;
	cin >> n;
	vector<pair<int,int>> xs;
	vector<pair<int,int>> ys;
	vector<pair<int,int>> zs;
	vector<int> x(n+1),y(n+1),z(n+1);
	for(int i=1;i<=n;i++){
		cin >> x[i] >> y[i] >> z[i];
		xs.emplace_back(x[i],i);
		ys.emplace_back(y[i],i);
		zs.emplace_back(z[i],i);
	}
	sort(xs.rbegin(),xs.rend());
	sort(ys.rbegin(),ys.rend());
	sort(zs.rbegin(),zs.rend());
	vector<bool> used(n+1);
	auto itx = xs.begin();
	auto ity = ys.begin();
	auto itz = zs.begin();
	for(int i=1;i<=3*n;i++){
		if(itx==xs.end() or ity==ys.end() or itz==zs.end())break;
		auto maxx = itx->first;
		auto maxy = ity->first;
		auto maxz = itz->first;
		if(y[itx->second]>=maxy or z[itx->second]>=maxz){
			itx++;
			continue;
		}
		if(x[ity->second]>=maxx or z[ity->second]>=maxz){
			ity++;
			continue;
		}
		if(x[itz->second]>=maxx or y[itz->second]>=maxy){
			itz++;
			continue;
		}
		cout << maxx+maxy+maxz << '\n';
		return 0;
	}
	cout << "-1\n";
}

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