Submission #990769

#	Time	Username	Problem	Language	Result	Execution time	Memory
990769		xnqs	Lost Array (NOI19_lostarray)	C++17	100 / 100	24 ms	4036 KiB

lostarray

#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
#include <utility>
#include <algorithm>
#include <tuple>

int x, q;
int ret[100005];

int main() {
	std::ios_base::sync_with_stdio(false);
	std::cin.tie(NULL);
	std::cout.tie(NULL);

	std::cin >> x >> q;
	for (int i = 0; i < x; i++) {
		ret[i] = 1000000000;
	}

	std::vector<std::tuple<int,int,int>> queries;
	for (int i = 0, a, b, c; i < q; i++) {
		std::cin >> a >> b >> c; --a, --b;
		queries.emplace_back(a,b,c);
	}

	std::sort(queries.begin(),queries.end(),[](const std::tuple<int,int,int>& a, const std::tuple<int,int,int>& b) {
		return std::get<2>(a) < std::get<2>(b);
	});

	for (const auto& [a, b, c] : queries) {
		ret[a] = ret[b] = c;
	}
	for (int i = 0; i < x; i++) {
		std::cout << ret[i] << " ";
	}
	std::cout << "\n";
}

• Subtask 1: 5 / 5
• Subtask 2: 6 / 6
• Subtask 3: 20 / 20
• Subtask 4: 21 / 21
• Subtask 5: 48 / 48