Submission #49322

#	Time	Username	Problem	Language	Result	Execution time	Memory
49322		WLZ	Bulldozer (JOI17_bulldozer)	C++17	0 / 100	3 ms	384 KiB

bulldozer

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

int n;

struct spot {
	int x, y, w;
};

vector<spot> v;

long long solve(auto comp) {
	sort(v.begin(), v.end(), comp);
	vector<long long> sa;
	sa.push_back((long long) v[0].w);
	int curIdx = 0;
	for (int i = 1; i < n; i++) {
		if (!comp(v[i - 1], v[i])) sa[curIdx] += (long long) v[i].w;
		else sa.push_back((long long) v[i].w), curIdx++;
	}
	long long ans = -1e18;
	long long cur = 0ll;
	for (auto &tmp : sa) {
		cur += tmp;
		ans = max(ans, cur);
		cur = max(cur, 0ll);
		cout << tmp << ' ';
	}
	cout << '\n';
	return ans;
}

int main() {
	ios_base::sync_with_stdio(false); cin.tie(0);
	cin >> n;
	for (int i = 0; i < n; i++) {
		int x, y, w;
		cin >> x >> y >> w;
		v.push_back({x, y, w});
	}
	cout << max(solve([](const spot& a, const spot& b) { return a.x < b.x; }), solve([](const spot& a, const spot& b) { return a.y < b.y; })) << '\n';
	return 0;
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 20
• Subtask 3: 0 / 35
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20