6931 | 2023. 12. 20 10:47:09 | gkata | A lehető legkevesebb átszállás (50 pont) | cpp17 | Elfogadva 50/50 | 4ms | 5892 KiB |
// atszallasok.cpp : This file contains the 'main' function. Program execution begins and ends there.
//
#include <iostream>
#include<queue>
using namespace std;
vector<pair<int, int>>x;
vector<int>ans;
int n, m, i, atn = 1, lj;
int main()
{
cin.tie(0);
cout.tie(0);
ios_base::sync_with_stdio(false);
cin >> n >> m;
x.resize(n + 1);
for (i = 1; i <= n; ++i)
cin >> x[i].first >> x[i].second;
i = 1;
while (atn < m)
{
lj = -1;
while (i <= n && x[i].first <= atn)
{
if (lj == -1 || x[lj].second < x[i].second) lj = i;
++i;
}
if (lj == -1)
{
cout << -1 << "\n";
return 0;
}
else
{
atn = x[lj].second;
ans.push_back(lj);
}
}
cout << ans.size() - 1 << "\n";
for (auto& e : ans) cout << e << " ";
}
/*
6 9
1 2
1 4
2 6
3 4
6 9
7 9
*/
// Run program: Ctrl + F5 or Debug > Start Without Debugging menu
// Debug program: F5 or Debug > Start Debugging menu
// Tips for Getting Started:
// 1. Use the Solution Explorer window to add/manage files
// 2. Use the Team Explorer window to connect to source control
// 3. Use the Output window to see build output and other messages
// 4. Use the Error List window to view errors
// 5. Go to Project > Add New Item to create new code files, or Project > Add Existing Item to add existing code files to the project
// 6. In the future, to open this project again, go to File > Open > Project and select the .sln file
Részfeladat | Összpont | Teszt | Verdikt | Idő | Memória | ||
---|---|---|---|---|---|---|---|
base | 50/50 | ||||||
1 | Elfogadva | 0/0 | 3ms | 1888 KiB | |||
2 | Elfogadva | 0/0 | 4ms | 2268 KiB | |||
3 | Elfogadva | 1/1 | 3ms | 2264 KiB | |||
4 | Elfogadva | 1/1 | 3ms | 2344 KiB | |||
5 | Elfogadva | 2/2 | 3ms | 2356 KiB | |||
6 | Elfogadva | 2/2 | 3ms | 2480 KiB | |||
7 | Elfogadva | 2/2 | 3ms | 2820 KiB | |||
8 | Elfogadva | 2/2 | 3ms | 2792 KiB | |||
9 | Elfogadva | 2/2 | 3ms | 3052 KiB | |||
10 | Elfogadva | 2/2 | 4ms | 3572 KiB | |||
11 | Elfogadva | 2/2 | 4ms | 3560 KiB | |||
12 | Elfogadva | 2/2 | 4ms | 3816 KiB | |||
13 | Elfogadva | 2/2 | 3ms | 3732 KiB | |||
14 | Elfogadva | 2/2 | 3ms | 3816 KiB | |||
15 | Elfogadva | 2/2 | 3ms | 3784 KiB | |||
16 | Elfogadva | 2/2 | 4ms | 3960 KiB | |||
17 | Elfogadva | 2/2 | 4ms | 4032 KiB | |||
18 | Elfogadva | 2/2 | 4ms | 4196 KiB | |||
19 | Elfogadva | 2/2 | 4ms | 4156 KiB | |||
20 | Elfogadva | 2/2 | 4ms | 4288 KiB | |||
21 | Elfogadva | 2/2 | 4ms | 4404 KiB | |||
22 | Elfogadva | 2/2 | 4ms | 4544 KiB | |||
23 | Elfogadva | 2/2 | 4ms | 4884 KiB | |||
24 | Elfogadva | 2/2 | 4ms | 4944 KiB | |||
25 | Elfogadva | 2/2 | 4ms | 5060 KiB | |||
26 | Elfogadva | 2/2 | 4ms | 5420 KiB | |||
27 | Elfogadva | 2/2 | 4ms | 5748 KiB | |||
28 | Elfogadva | 2/2 | 4ms | 5892 KiB |