#include <bits/stdc++.h>
using namespace std;
const int MX=4e5+5, inf=1e9;
int N,K;
vector<pair<int,int>> v;
map<int,int> id;
vector<pair<int,int>> cl[MX];
int dp[MX];
bool used[MX];
vector<int> ans;
int M;
set<int> st;
bool ok(int l, int r) {
auto it=st.lower_bound(l);
if(it==st.end() || *it>=r) return true;
return false;
}
int f(int x) {
vector<pair<int,int>> cur;
auto [l,r]=v[x];
if(!ok(l,r)) return -1e9;
for(int k=l;k<r;k++) st.insert(k);
cur.push_back({l,r});
for(int k=1;k<=2*N;k++) {
for(auto [j,id]:cl[k]) {
if(ok(j,k)) {
cur.push_back({j,k});
for(int z=j;z<k;z++) st.insert(z);
}
}
}
for(auto [l,r]:cur) {
for(int k=l;k<r;k++) st.erase(k);
}
return cur.size();
}
int main() {
cin.tie(0); ios_base::sync_with_stdio(0);
cin>>N>>K;
for(int i=0;i<N;i++) {
int l,r;
cin>>l>>r;
v.push_back({l,r});
id[l]=0;
id[r]=0;
}
int z=1;
for(auto &[x,y]:id) y=z++;
for(auto &[l,r]:v) {
l=id[l];
r=id[r];
}
for(int i=0;i<N;i++) {
auto [l,r]=v[i];
cl[r].push_back({l,i});
}
for(int i=0;i<N;i++) {
if(ans.size()==K) break;
if(f(i)+(int)ans.size()>=K) {
auto [l,r]=v[i];
for(int k=l;k<r;k++) st.insert(k);
ans.push_back(i);
}
}
if(ans.size()<K) {
cout<<-1<<'\n';
return 0;
}
sort(ans.begin(),ans.end());
for(auto x:ans) {
cout<<x+1<<" ";
}
cout<<'\n';
}
Compilation message
event2.cpp: In function 'int main()':
event2.cpp:78:16: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
78 | if(ans.size()==K) break;
| ~~~~~~~~~~^~~
event2.cpp:86:15: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
86 | if(ans.size()<K) {
| ~~~~~~~~~~^~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
11608 KB |
Output is correct |
2 |
Correct |
3 ms |
11864 KB |
Output is correct |
3 |
Correct |
3 ms |
11608 KB |
Output is correct |
4 |
Execution timed out |
3101 ms |
32356 KB |
Time limit exceeded |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
11608 KB |
Output is correct |
2 |
Correct |
3 ms |
11612 KB |
Output is correct |
3 |
Correct |
3 ms |
11864 KB |
Output is correct |
4 |
Correct |
3 ms |
11612 KB |
Output is correct |
5 |
Correct |
3 ms |
11612 KB |
Output is correct |
6 |
Correct |
3 ms |
11612 KB |
Output is correct |
7 |
Correct |
3 ms |
11640 KB |
Output is correct |
8 |
Correct |
3 ms |
11608 KB |
Output is correct |
9 |
Correct |
3 ms |
11612 KB |
Output is correct |
10 |
Correct |
3 ms |
11612 KB |
Output is correct |
11 |
Correct |
3 ms |
11612 KB |
Output is correct |
12 |
Correct |
5 ms |
11612 KB |
Output is correct |
13 |
Correct |
3 ms |
11868 KB |
Output is correct |
14 |
Correct |
3 ms |
11612 KB |
Output is correct |
15 |
Correct |
3 ms |
11612 KB |
Output is correct |
16 |
Correct |
3 ms |
11608 KB |
Output is correct |
17 |
Correct |
3 ms |
11612 KB |
Output is correct |
18 |
Correct |
3 ms |
11608 KB |
Output is correct |
19 |
Correct |
3 ms |
11612 KB |
Output is correct |
20 |
Correct |
3 ms |
11612 KB |
Output is correct |
21 |
Correct |
3 ms |
11612 KB |
Output is correct |
22 |
Correct |
3 ms |
11612 KB |
Output is correct |
23 |
Correct |
3 ms |
11612 KB |
Output is correct |
24 |
Correct |
3 ms |
11612 KB |
Output is correct |
25 |
Correct |
3 ms |
11612 KB |
Output is correct |
26 |
Correct |
3 ms |
11612 KB |
Output is correct |
27 |
Correct |
3 ms |
11612 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
11608 KB |
Output is correct |
2 |
Correct |
3 ms |
11612 KB |
Output is correct |
3 |
Correct |
3 ms |
11864 KB |
Output is correct |
4 |
Correct |
3 ms |
11612 KB |
Output is correct |
5 |
Correct |
3 ms |
11612 KB |
Output is correct |
6 |
Correct |
3 ms |
11612 KB |
Output is correct |
7 |
Correct |
3 ms |
11640 KB |
Output is correct |
8 |
Correct |
3 ms |
11608 KB |
Output is correct |
9 |
Correct |
3 ms |
11612 KB |
Output is correct |
10 |
Correct |
3 ms |
11612 KB |
Output is correct |
11 |
Correct |
3 ms |
11612 KB |
Output is correct |
12 |
Correct |
5 ms |
11612 KB |
Output is correct |
13 |
Correct |
3 ms |
11868 KB |
Output is correct |
14 |
Correct |
3 ms |
11612 KB |
Output is correct |
15 |
Correct |
3 ms |
11612 KB |
Output is correct |
16 |
Correct |
3 ms |
11608 KB |
Output is correct |
17 |
Correct |
3 ms |
11612 KB |
Output is correct |
18 |
Correct |
3 ms |
11608 KB |
Output is correct |
19 |
Correct |
3 ms |
11612 KB |
Output is correct |
20 |
Correct |
3 ms |
11612 KB |
Output is correct |
21 |
Correct |
3 ms |
11612 KB |
Output is correct |
22 |
Correct |
3 ms |
11612 KB |
Output is correct |
23 |
Correct |
3 ms |
11612 KB |
Output is correct |
24 |
Correct |
3 ms |
11612 KB |
Output is correct |
25 |
Correct |
3 ms |
11612 KB |
Output is correct |
26 |
Correct |
3 ms |
11612 KB |
Output is correct |
27 |
Correct |
3 ms |
11612 KB |
Output is correct |
28 |
Correct |
109 ms |
12348 KB |
Output is correct |
29 |
Correct |
96 ms |
12292 KB |
Output is correct |
30 |
Correct |
47 ms |
12124 KB |
Output is correct |
31 |
Correct |
15 ms |
12216 KB |
Output is correct |
32 |
Correct |
11 ms |
12124 KB |
Output is correct |
33 |
Correct |
1868 ms |
12368 KB |
Output is correct |
34 |
Correct |
1814 ms |
12356 KB |
Output is correct |
35 |
Correct |
1039 ms |
12276 KB |
Output is correct |
36 |
Correct |
987 ms |
12368 KB |
Output is correct |
37 |
Correct |
795 ms |
12292 KB |
Output is correct |
38 |
Correct |
1265 ms |
12372 KB |
Output is correct |
39 |
Correct |
929 ms |
12120 KB |
Output is correct |
40 |
Correct |
853 ms |
12368 KB |
Output is correct |
41 |
Correct |
795 ms |
12372 KB |
Output is correct |
42 |
Correct |
1245 ms |
12508 KB |
Output is correct |
43 |
Correct |
530 ms |
12120 KB |
Output is correct |
44 |
Correct |
375 ms |
12576 KB |
Output is correct |
45 |
Correct |
320 ms |
12268 KB |
Output is correct |
46 |
Correct |
1793 ms |
12268 KB |
Output is correct |
47 |
Correct |
300 ms |
12320 KB |
Output is correct |
48 |
Correct |
144 ms |
12328 KB |
Output is correct |
49 |
Correct |
61 ms |
12124 KB |
Output is correct |
50 |
Correct |
2077 ms |
12324 KB |
Output is correct |
51 |
Correct |
393 ms |
12344 KB |
Output is correct |
52 |
Correct |
235 ms |
12124 KB |
Output is correct |
53 |
Correct |
27 ms |
12276 KB |
Output is correct |
54 |
Correct |
2270 ms |
12372 KB |
Output is correct |
55 |
Correct |
835 ms |
12140 KB |
Output is correct |
56 |
Correct |
847 ms |
12136 KB |
Output is correct |
57 |
Correct |
848 ms |
12368 KB |
Output is correct |
58 |
Correct |
845 ms |
12400 KB |
Output is correct |
59 |
Correct |
832 ms |
12372 KB |
Output is correct |
60 |
Correct |
810 ms |
12368 KB |
Output is correct |
61 |
Correct |
802 ms |
12144 KB |
Output is correct |
62 |
Correct |
795 ms |
12368 KB |
Output is correct |
63 |
Correct |
733 ms |
12144 KB |
Output is correct |
64 |
Correct |
1143 ms |
12128 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
11608 KB |
Output is correct |
2 |
Correct |
3 ms |
11864 KB |
Output is correct |
3 |
Correct |
3 ms |
11608 KB |
Output is correct |
4 |
Execution timed out |
3101 ms |
32356 KB |
Time limit exceeded |
5 |
Halted |
0 ms |
0 KB |
- |