#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
#ifdef _WIN32
#define getchar_unlocked _getchar_nolock
#endif
#define int long long
#define mp make_pair
#define mt make_tuple
#define pb push_back
#define ppb pop_back
#define eb emplace_back
#define g0(a) get<0>(a)
#define g1(a) get<1>(a)
#define g2(a) get<2>(a)
#define g3(a) get<3>(a)
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
typedef double db;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> ii;
typedef tuple<int, int, int> iii;
typedef tuple<int, int, int, int> iiii;
typedef tree<iii, null_type, greater<iii>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
int N, K, L[500005], R[500005];
vector<int> ans;
main() {
ios::sync_with_stdio(0);
cin.tie(0);
cin >> N >> K;
for (int i = 1; i <= N; i++) cin >> L[i] >> R[i];
for (int i = 0; i < (1 << N); i++) {
if (__builtin_popcountll(i) != K) continue;
vector<iii> tmp;
for (int j = 0; j < N; j++)
if (i & (1 << j)) tmp.eb(L[j + 1], R[j + 1], j + 1);
sort(tmp.begin(), tmp.end());
bool inv = 0;
for (int i = 1; i < tmp.size(); i++)
if (g0(tmp[i]) < g1(tmp[i - 1])) inv = 1;
if (!inv) {
vector<int> out;
for (int i = 0; i < tmp.size(); i++) out.pb(g2(tmp[i]));
sort(out.begin(), out.end());
if (ans.empty()) ans = out;
else ans = min(ans, out);
}
}
if (ans.empty()) cout << "-1\n";
else for (int i : ans) cout << i << '\n';
}
Compilation message
event2.cpp:31:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
31 | main() {
| ^~~~
event2.cpp: In function 'int main()':
event2.cpp:43:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::tuple<long long int, long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
43 | for (int i = 1; i < tmp.size(); i++)
| ~~^~~~~~~~~~~~
event2.cpp:47:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::tuple<long long int, long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
47 | for (int i = 0; i < tmp.size(); i++) out.pb(g2(tmp[i]));
| ~~^~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
332 KB |
Output is correct |
| 2 |
Correct |
1 ms |
332 KB |
Output is correct |
| 3 |
Correct |
0 ms |
204 KB |
Output is correct |
| 4 |
Incorrect |
24 ms |
1832 KB |
Output isn't correct |
| 5 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
332 KB |
Output is correct |
| 2 |
Correct |
0 ms |
332 KB |
Output is correct |
| 3 |
Correct |
0 ms |
332 KB |
Output is correct |
| 4 |
Correct |
2 ms |
204 KB |
Output is correct |
| 5 |
Correct |
2 ms |
204 KB |
Output is correct |
| 6 |
Correct |
4 ms |
204 KB |
Output is correct |
| 7 |
Correct |
8 ms |
332 KB |
Output is correct |
| 8 |
Correct |
8 ms |
332 KB |
Output is correct |
| 9 |
Correct |
4 ms |
332 KB |
Output is correct |
| 10 |
Correct |
4 ms |
204 KB |
Output is correct |
| 11 |
Correct |
61 ms |
312 KB |
Output is correct |
| 12 |
Correct |
5 ms |
328 KB |
Output is correct |
| 13 |
Correct |
5 ms |
332 KB |
Output is correct |
| 14 |
Correct |
5 ms |
204 KB |
Output is correct |
| 15 |
Correct |
4 ms |
332 KB |
Output is correct |
| 16 |
Correct |
62 ms |
312 KB |
Output is correct |
| 17 |
Correct |
43 ms |
384 KB |
Output is correct |
| 18 |
Correct |
8 ms |
332 KB |
Output is correct |
| 19 |
Correct |
32 ms |
312 KB |
Output is correct |
| 20 |
Correct |
80 ms |
204 KB |
Output is correct |
| 21 |
Correct |
5 ms |
332 KB |
Output is correct |
| 22 |
Correct |
16 ms |
332 KB |
Output is correct |
| 23 |
Correct |
55 ms |
312 KB |
Output is correct |
| 24 |
Correct |
4 ms |
332 KB |
Output is correct |
| 25 |
Correct |
4 ms |
204 KB |
Output is correct |
| 26 |
Correct |
4 ms |
332 KB |
Output is correct |
| 27 |
Correct |
6 ms |
332 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
332 KB |
Output is correct |
| 2 |
Correct |
0 ms |
332 KB |
Output is correct |
| 3 |
Correct |
0 ms |
332 KB |
Output is correct |
| 4 |
Correct |
2 ms |
204 KB |
Output is correct |
| 5 |
Correct |
2 ms |
204 KB |
Output is correct |
| 6 |
Correct |
4 ms |
204 KB |
Output is correct |
| 7 |
Correct |
8 ms |
332 KB |
Output is correct |
| 8 |
Correct |
8 ms |
332 KB |
Output is correct |
| 9 |
Correct |
4 ms |
332 KB |
Output is correct |
| 10 |
Correct |
4 ms |
204 KB |
Output is correct |
| 11 |
Correct |
61 ms |
312 KB |
Output is correct |
| 12 |
Correct |
5 ms |
328 KB |
Output is correct |
| 13 |
Correct |
5 ms |
332 KB |
Output is correct |
| 14 |
Correct |
5 ms |
204 KB |
Output is correct |
| 15 |
Correct |
4 ms |
332 KB |
Output is correct |
| 16 |
Correct |
62 ms |
312 KB |
Output is correct |
| 17 |
Correct |
43 ms |
384 KB |
Output is correct |
| 18 |
Correct |
8 ms |
332 KB |
Output is correct |
| 19 |
Correct |
32 ms |
312 KB |
Output is correct |
| 20 |
Correct |
80 ms |
204 KB |
Output is correct |
| 21 |
Correct |
5 ms |
332 KB |
Output is correct |
| 22 |
Correct |
16 ms |
332 KB |
Output is correct |
| 23 |
Correct |
55 ms |
312 KB |
Output is correct |
| 24 |
Correct |
4 ms |
332 KB |
Output is correct |
| 25 |
Correct |
4 ms |
204 KB |
Output is correct |
| 26 |
Correct |
4 ms |
332 KB |
Output is correct |
| 27 |
Correct |
6 ms |
332 KB |
Output is correct |
| 28 |
Incorrect |
65 ms |
364 KB |
Output isn't correct |
| 29 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
332 KB |
Output is correct |
| 2 |
Correct |
1 ms |
332 KB |
Output is correct |
| 3 |
Correct |
0 ms |
204 KB |
Output is correct |
| 4 |
Incorrect |
24 ms |
1832 KB |
Output isn't correct |
| 5 |
Halted |
0 ms |
0 KB |
- |
