oj.uz

Submission #535575

# Submission time Handle Problem Language Result Execution time Memory
535575 2022-03-10T14:06:14 Z amunduzbaev Rope (JOI17_rope) C++17
55 / 100
 2500 ms 104208 KB 
#include "bits/stdc++.h"
using namespace std;
 
#define ar array

const int N = 1e6 + 5;
int a[N], res[N], cc[N];
map<int, int> edges[N];

signed main(){
	ios::sync_with_stdio(0); cin.tie(0);
	
	int n, m; cin>>n>>m;
	for(int i=0;i<n;i++){
		cin>>a[i];
		a[i]--;
	}
	
	{
		memset(cc, 0, sizeof cc);
		for(int i=1;i+1<n;i+=2){
			if(a[i] != a[i+1]){
				edges[a[i]][a[i+1]]++;
				edges[a[i+1]][a[i]]++;
			}
		} 
		multiset<int> ss;
		for(int i=0;i<n;i++){
			cc[a[i]]++;
		}
		for(int i=0;i<m;i++) ss.insert(cc[i]);
		
		for(int i=0;i<m;i++){
			int rr = 0;
			ss.erase(ss.find(cc[i]));
			for(auto x : edges[i]){
				ss.erase(ss.find(cc[x.first]));
				rr = max(rr, cc[x.first] - x.second);
				//~ cout<<i<<" "<<x.first<<" "<<cc[x.first]<<" "<<x.second<<"\n";
			}
			if(!ss.empty()) rr = max(rr, *ss.rbegin());
			res[i] = max(res[i], rr + cc[i]);
			for(auto x : edges[i]){
				ss.insert(cc[x.first]);
			}
			ss.insert(cc[i]);
			edges[i].clear();
		}
	}


	{
		memset(cc, 0, sizeof cc);
		for(int i=0;i+1<n;i+=2){
			if(a[i] != a[i+1]){
				edges[a[i]][a[i+1]]++;
				edges[a[i+1]][a[i]]++;
			}
		} 
		multiset<int> ss;
		for(int i=0;i<n;i++){
			cc[a[i]]++;
		}
		for(int i=0;i<m;i++) ss.insert(cc[i]);
		
		for(int i=0;i<m;i++){
			int rr = 0;
			ss.erase(ss.find(cc[i]));
			for(auto x : edges[i]){
				ss.erase(ss.find(cc[x.first]));
				rr = max(rr, cc[x.first] - x.second);
				//~ cout<<i<<" "<<x.first<<" "<<cc[x.first]<<" "<<x.second<<"\n";
			}
			if(!ss.empty()) rr = max(rr, *ss.rbegin());
			res[i] = max(res[i], rr + cc[i]);
			for(auto x : edges[i]){
				ss.insert(cc[x.first]);
			}
			ss.insert(cc[i]);
			edges[i].clear();
		}
	}
	
	for(int i=0;i<m;i++) cout<<n - res[i]<<"\n";
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 51156 KB Output is correct
2 Correct 28 ms 51140 KB Output is correct
3 Correct 26 ms 51112 KB Output is correct
4 Correct 25 ms 51108 KB Output is correct
5 Correct 25 ms 51156 KB Output is correct
6 Correct 26 ms 51128 KB Output is correct
7 Correct 28 ms 51148 KB Output is correct
8 Correct 33 ms 51168 KB Output is correct
9 Correct 26 ms 51144 KB Output is correct
10 Correct 33 ms 51156 KB Output is correct
11 Correct 27 ms 51120 KB Output is correct
12 Correct 24 ms 51196 KB Output is correct
13 Correct 29 ms 51164 KB Output is correct
14 Correct 25 ms 51156 KB Output is correct
15 Correct 27 ms 51224 KB Output is correct
16 Correct 25 ms 51164 KB Output is correct
17 Correct 27 ms 51156 KB Output is correct
18 Correct 28 ms 51076 KB Output is correct
19 Correct 28 ms 51180 KB Output is correct
20 Correct 28 ms 51108 KB Output is correct
21 Correct 25 ms 51144 KB Output is correct
22 Correct 26 ms 51124 KB Output is correct
23 Correct 28 ms 51136 KB Output is correct
24 Correct 27 ms 51108 KB Output is correct
25 Correct 26 ms 51148 KB Output is correct
26 Correct 26 ms 51116 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 51156 KB Output is correct
2 Correct 28 ms 51140 KB Output is correct
3 Correct 26 ms 51112 KB Output is correct
4 Correct 25 ms 51108 KB Output is correct
5 Correct 25 ms 51156 KB Output is correct
6 Correct 26 ms 51128 KB Output is correct
7 Correct 28 ms 51148 KB Output is correct
8 Correct 33 ms 51168 KB Output is correct
9 Correct 26 ms 51144 KB Output is correct
10 Correct 33 ms 51156 KB Output is correct
11 Correct 27 ms 51120 KB Output is correct
12 Correct 24 ms 51196 KB Output is correct
13 Correct 29 ms 51164 KB Output is correct
14 Correct 25 ms 51156 KB Output is correct
15 Correct 27 ms 51224 KB Output is correct
16 Correct 25 ms 51164 KB Output is correct
17 Correct 27 ms 51156 KB Output is correct
18 Correct 28 ms 51076 KB Output is correct
19 Correct 28 ms 51180 KB Output is correct
20 Correct 28 ms 51108 KB Output is correct
21 Correct 25 ms 51144 KB Output is correct
22 Correct 26 ms 51124 KB Output is correct
23 Correct 28 ms 51136 KB Output is correct
24 Correct 27 ms 51108 KB Output is correct
25 Correct 26 ms 51148 KB Output is correct
26 Correct 26 ms 51116 KB Output is correct
27 Correct 39 ms 51684 KB Output is correct
28 Correct 46 ms 51664 KB Output is correct
29 Correct 35 ms 51712 KB Output is correct
30 Correct 34 ms 51704 KB Output is correct
31 Correct 42 ms 51808 KB Output is correct
32 Correct 34 ms 51792 KB Output is correct
33 Correct 37 ms 51796 KB Output is correct
34 Correct 43 ms 51712 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 51156 KB Output is correct
2 Correct 28 ms 51140 KB Output is correct
3 Correct 26 ms 51112 KB Output is correct
4 Correct 25 ms 51108 KB Output is correct
5 Correct 25 ms 51156 KB Output is correct
6 Correct 26 ms 51128 KB Output is correct
7 Correct 28 ms 51148 KB Output is correct
8 Correct 33 ms 51168 KB Output is correct
9 Correct 26 ms 51144 KB Output is correct
10 Correct 33 ms 51156 KB Output is correct
11 Correct 27 ms 51120 KB Output is correct
12 Correct 24 ms 51196 KB Output is correct
13 Correct 29 ms 51164 KB Output is correct
14 Correct 25 ms 51156 KB Output is correct
15 Correct 27 ms 51224 KB Output is correct
16 Correct 25 ms 51164 KB Output is correct
17 Correct 27 ms 51156 KB Output is correct
18 Correct 28 ms 51076 KB Output is correct
19 Correct 28 ms 51180 KB Output is correct
20 Correct 28 ms 51108 KB Output is correct
21 Correct 25 ms 51144 KB Output is correct
22 Correct 26 ms 51124 KB Output is correct
23 Correct 28 ms 51136 KB Output is correct
24 Correct 27 ms 51108 KB Output is correct
25 Correct 26 ms 51148 KB Output is correct
26 Correct 26 ms 51116 KB Output is correct
27 Correct 39 ms 51684 KB Output is correct
28 Correct 46 ms 51664 KB Output is correct
29 Correct 35 ms 51712 KB Output is correct
30 Correct 34 ms 51704 KB Output is correct
31 Correct 42 ms 51808 KB Output is correct
32 Correct 34 ms 51792 KB Output is correct
33 Correct 37 ms 51796 KB Output is correct
34 Correct 43 ms 51712 KB Output is correct
35 Correct 147 ms 55856 KB Output is correct
36 Correct 109 ms 55752 KB Output is correct
37 Correct 125 ms 55812 KB Output is correct
38 Correct 142 ms 55828 KB Output is correct
39 Correct 114 ms 55848 KB Output is correct
40 Correct 73 ms 53924 KB Output is correct
41 Correct 82 ms 54120 KB Output is correct
42 Correct 69 ms 53544 KB Output is correct
43 Correct 66 ms 53472 KB Output is correct
44 Correct 78 ms 53976 KB Output is correct
45 Correct 75 ms 54060 KB Output is correct
46 Correct 66 ms 53544 KB Output is correct
47 Correct 75 ms 53488 KB Output is correct

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 51156 KB Output is correct
2 Correct 28 ms 51140 KB Output is correct
3 Correct 26 ms 51112 KB Output is correct
4 Correct 25 ms 51108 KB Output is correct
5 Correct 25 ms 51156 KB Output is correct
6 Correct 26 ms 51128 KB Output is correct
7 Correct 28 ms 51148 KB Output is correct
8 Correct 33 ms 51168 KB Output is correct
9 Correct 26 ms 51144 KB Output is correct
10 Correct 33 ms 51156 KB Output is correct
11 Correct 27 ms 51120 KB Output is correct
12 Correct 24 ms 51196 KB Output is correct
13 Correct 29 ms 51164 KB Output is correct
14 Correct 25 ms 51156 KB Output is correct
15 Correct 27 ms 51224 KB Output is correct
16 Correct 25 ms 51164 KB Output is correct
17 Correct 27 ms 51156 KB Output is correct
18 Correct 28 ms 51076 KB Output is correct
19 Correct 28 ms 51180 KB Output is correct
20 Correct 28 ms 51108 KB Output is correct
21 Correct 25 ms 51144 KB Output is correct
22 Correct 26 ms 51124 KB Output is correct
23 Correct 28 ms 51136 KB Output is correct
24 Correct 27 ms 51108 KB Output is correct
25 Correct 26 ms 51148 KB Output is correct
26 Correct 26 ms 51116 KB Output is correct
27 Correct 39 ms 51684 KB Output is correct
28 Correct 46 ms 51664 KB Output is correct
29 Correct 35 ms 51712 KB Output is correct
30 Correct 34 ms 51704 KB Output is correct
31 Correct 42 ms 51808 KB Output is correct
32 Correct 34 ms 51792 KB Output is correct
33 Correct 37 ms 51796 KB Output is correct
34 Correct 43 ms 51712 KB Output is correct
35 Correct 147 ms 55856 KB Output is correct
36 Correct 109 ms 55752 KB Output is correct
37 Correct 125 ms 55812 KB Output is correct
38 Correct 142 ms 55828 KB Output is correct
39 Correct 114 ms 55848 KB Output is correct
40 Correct 73 ms 53924 KB Output is correct
41 Correct 82 ms 54120 KB Output is correct
42 Correct 69 ms 53544 KB Output is correct
43 Correct 66 ms 53472 KB Output is correct
44 Correct 78 ms 53976 KB Output is correct
45 Correct 75 ms 54060 KB Output is correct
46 Correct 66 ms 53544 KB Output is correct
47 Correct 75 ms 53488 KB Output is correct
48 Execution timed out 2567 ms 104208 KB Time limit exceeded
49 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 51156 KB Output is correct
2 Correct 28 ms 51140 KB Output is correct
3 Correct 26 ms 51112 KB Output is correct
4 Correct 25 ms 51108 KB Output is correct
5 Correct 25 ms 51156 KB Output is correct
6 Correct 26 ms 51128 KB Output is correct
7 Correct 28 ms 51148 KB Output is correct
8 Correct 33 ms 51168 KB Output is correct
9 Correct 26 ms 51144 KB Output is correct
10 Correct 33 ms 51156 KB Output is correct
11 Correct 27 ms 51120 KB Output is correct
12 Correct 24 ms 51196 KB Output is correct
13 Correct 29 ms 51164 KB Output is correct
14 Correct 25 ms 51156 KB Output is correct
15 Correct 27 ms 51224 KB Output is correct
16 Correct 25 ms 51164 KB Output is correct
17 Correct 27 ms 51156 KB Output is correct
18 Correct 28 ms 51076 KB Output is correct
19 Correct 28 ms 51180 KB Output is correct
20 Correct 28 ms 51108 KB Output is correct
21 Correct 25 ms 51144 KB Output is correct
22 Correct 26 ms 51124 KB Output is correct
23 Correct 28 ms 51136 KB Output is correct
24 Correct 27 ms 51108 KB Output is correct
25 Correct 26 ms 51148 KB Output is correct
26 Correct 26 ms 51116 KB Output is correct
27 Correct 39 ms 51684 KB Output is correct
28 Correct 46 ms 51664 KB Output is correct
29 Correct 35 ms 51712 KB Output is correct
30 Correct 34 ms 51704 KB Output is correct
31 Correct 42 ms 51808 KB Output is correct
32 Correct 34 ms 51792 KB Output is correct
33 Correct 37 ms 51796 KB Output is correct
34 Correct 43 ms 51712 KB Output is correct
35 Correct 147 ms 55856 KB Output is correct
36 Correct 109 ms 55752 KB Output is correct
37 Correct 125 ms 55812 KB Output is correct
38 Correct 142 ms 55828 KB Output is correct
39 Correct 114 ms 55848 KB Output is correct
40 Correct 73 ms 53924 KB Output is correct
41 Correct 82 ms 54120 KB Output is correct
42 Correct 69 ms 53544 KB Output is correct
43 Correct 66 ms 53472 KB Output is correct
44 Correct 78 ms 53976 KB Output is correct
45 Correct 75 ms 54060 KB Output is correct
46 Correct 66 ms 53544 KB Output is correct
47 Correct 75 ms 53488 KB Output is correct
48 Execution timed out 2567 ms 104208 KB Time limit exceeded
49 Halted 0 ms 0 KB -