Lennot

input/code.cpp: In function 'int main()':
input/code.cpp:29:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for (int i = 0; i < k[cn].size(); i++) {
                      ^
input/code.cpp:38:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for (int i = 0; i < k[cn].size(); i++) {
                      ^

#include <iostream>
#include <vector>
#include <algorithm>
int main() {
	int n, m;
	std::cin >> n >> m;
	int * hcp = new int[n];
	int * hcf = new int[n];
	//hcp last one was paid
	//hcf last one was free
	const int noi = 99999;
	for (int i = 1; i <= n; i++) {
		hcp[i] = noi;
		hcf[i] = noi;
	}
	hcf[1] = 0;
	std::vector<std::pair<int, int>> * k = new std::vector<std::pair<int, int>>[m];
	for (int i = 0; i < m; i++) {
		int a, b, h;
		std::cin >> a >> b >> h;
		k[a].push_back(std::make_pair(b, h));
	}
	int cn = 1;
	while (true) {
		//last was free
		int next = cn + 1;
		if (hcf[cn] != noi) {
		//eri kun noi -> tänne pääse jotain reittiä
			for (int i = 0; i < k[cn].size(); i++) {
				//std::cout << k[cn].at(i).second << std::endl;
				hcp[k[cn].at(i).first] = std::min(hcp[k[cn].at(i).first], hcf[cn] + k[cn].at(i).second);
				next = std::min(k[cn].at(i).first, next);
				//std::cout << hcp[k[cn].at(i).second] << std::endl;
			}
		}
		if (hcp[cn] != noi) {
			//std::cout << cn << ", " << std::endl;
			for (int i = 0; i < k[cn].size(); i++) {
				hcf[k[cn].at(i).first] = std::min(hcf[k[cn].at(i).first], hcp[cn]);
				next = std::min(k[cn].at(i).first, next);
				//std::cout << hcp[k[cn].at(i).second] << std::endl;
			}
		}
		cn = next;
		if (cn > n) break;
	}
	
	//std::cout << "hcp, hcf" << std::endl;
	for (int i = 1; i <= n; i++) {
		//std::cout << hcp[i] << ", " << hcf[i] << std::endl;
	}
	std::cout << std::min(hcf[n], hcp[n]) << "\n";
	return 0;
}

Test 1

Group: 1

Verdict: TIME LIMIT EXCEEDED

Test 2

Group: 1

Verdict: TIME LIMIT EXCEEDED

Test 3

Group: 1

Verdict: TIME LIMIT EXCEEDED

Test 4

Group: 1

Verdict: TIME LIMIT EXCEEDED

Test 5

Group: 1

Verdict: TIME LIMIT EXCEEDED

Test 6

Group: 2

Verdict: WRONG ANSWER

Test 7

Group: 2

Verdict: WRONG ANSWER

Test 8

Group: 2

Verdict: WRONG ANSWER

Test 9

Group: 2

Verdict: WRONG ANSWER

Test 10

Group: 2

Verdict: WRONG ANSWER

Test 11

Group: 3

Verdict: WRONG ANSWER

Test 12

Group: 3

Verdict: WRONG ANSWER

Test 13

Group: 3

Verdict: WRONG ANSWER

Test 14

Group: 3

Verdict: WRONG ANSWER

Test 15

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 16

Group: 3

Verdict: WRONG ANSWER

Test 17

Group: 3

Verdict: TIME LIMIT EXCEEDED