oj.uz

Submission #535579

# Submission time Handle Problem Language Result Execution time Memory
535579 2022-03-10T14:14:48 Z amunduzbaev Rope (JOI17_rope) C++17
100 / 100
 1862 ms 123680 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]--;
		cc[a[i]]++;
	}
	vector<int> tot(m); iota(tot.begin(), tot.end(), 0);
	sort(tot.begin(), tot.end(), [&](int i, int j){
		if(cc[i] != cc[j]) return cc[i] > cc[j];
		return i > j;
	});
	
	{
		for(int i=1;i+1<n;i+=2){
			edges[a[i]][a[i+1]]++;
			edges[a[i+1]][a[i]]++;
		} 
		for(int i=0;i<m;i++){
			int rr = 0;
			edges[i][i] = cc[i];
			vector<ar<int, 2>> t;
			for(auto x : edges[i]){
				t.push_back({x.first, x.second});
			}
			
			sort(t.begin(), t.end(), [&](auto& a, auto& b){
				if(cc[a[0]] != cc[b[0]]) return cc[a[0]] > cc[b[0]];
				return a[0] > b[0];
			});
			
			int l = 0;
			for(auto x : t){
				if(tot[l] == x[0]) l++;
				rr = max(rr, cc[x[0]] - x[1]);
			}
			
			if(l < m) rr = max(rr, cc[tot[l]]);
			res[i] = max(res[i], rr + cc[i]);
			edges[i].clear();
		}
	}


	{
		for(int i=0;i+1<n;i+=2){
			edges[a[i]][a[i+1]]++;
			edges[a[i+1]][a[i]]++;
		} 
		for(int i=0;i<m;i++){
			int rr = 0;
			edges[i][i] = cc[i];
			vector<ar<int, 2>> t;
			for(auto x : edges[i]){
				t.push_back({x.first, x.second});
			}
			
			sort(t.begin(), t.end(), [&](auto& a, auto& b){
				if(cc[a[0]] != cc[b[0]]) return cc[a[0]] > cc[b[0]];
				return a[0] > b[0];
			});
			
			int l = 0;
			for(auto x : t){
				if(tot[l] == x[0]) l++;
				rr = max(rr, cc[x[0]] - x[1]);
			}
			
			if(l < m) rr = max(rr, cc[tot[l]]);
			res[i] = max(res[i], rr + 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 24 ms 47316 KB Output is correct
2 Correct 23 ms 47212 KB Output is correct
3 Correct 24 ms 47220 KB Output is correct
4 Correct 23 ms 47188 KB Output is correct
5 Correct 23 ms 47260 KB Output is correct
6 Correct 25 ms 47224 KB Output is correct
7 Correct 23 ms 47236 KB Output is correct
8 Correct 28 ms 47188 KB Output is correct
9 Correct 24 ms 47308 KB Output is correct
10 Correct 24 ms 47228 KB Output is correct
11 Correct 25 ms 47388 KB Output is correct
12 Correct 24 ms 47260 KB Output is correct
13 Correct 23 ms 47272 KB Output is correct
14 Correct 24 ms 47312 KB Output is correct
15 Correct 23 ms 47256 KB Output is correct
16 Correct 24 ms 47264 KB Output is correct
17 Correct 24 ms 47188 KB Output is correct
18 Correct 24 ms 47188 KB Output is correct
19 Correct 24 ms 47236 KB Output is correct
20 Correct 24 ms 47168 KB Output is correct
21 Correct 23 ms 47312 KB Output is correct
22 Correct 24 ms 47220 KB Output is correct
23 Correct 25 ms 47180 KB Output is correct
24 Correct 24 ms 47212 KB Output is correct
25 Correct 25 ms 47312 KB Output is correct
26 Correct 28 ms 47184 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 47316 KB Output is correct
2 Correct 23 ms 47212 KB Output is correct
3 Correct 24 ms 47220 KB Output is correct
4 Correct 23 ms 47188 KB Output is correct
5 Correct 23 ms 47260 KB Output is correct
6 Correct 25 ms 47224 KB Output is correct
7 Correct 23 ms 47236 KB Output is correct
8 Correct 28 ms 47188 KB Output is correct
9 Correct 24 ms 47308 KB Output is correct
10 Correct 24 ms 47228 KB Output is correct
11 Correct 25 ms 47388 KB Output is correct
12 Correct 24 ms 47260 KB Output is correct
13 Correct 23 ms 47272 KB Output is correct
14 Correct 24 ms 47312 KB Output is correct
15 Correct 23 ms 47256 KB Output is correct
16 Correct 24 ms 47264 KB Output is correct
17 Correct 24 ms 47188 KB Output is correct
18 Correct 24 ms 47188 KB Output is correct
19 Correct 24 ms 47236 KB Output is correct
20 Correct 24 ms 47168 KB Output is correct
21 Correct 23 ms 47312 KB Output is correct
22 Correct 24 ms 47220 KB Output is correct
23 Correct 25 ms 47180 KB Output is correct
24 Correct 24 ms 47212 KB Output is correct
25 Correct 25 ms 47312 KB Output is correct
26 Correct 28 ms 47184 KB Output is correct
27 Correct 37 ms 47692 KB Output is correct
28 Correct 33 ms 47692 KB Output is correct
29 Correct 35 ms 47648 KB Output is correct
30 Correct 32 ms 47564 KB Output is correct
31 Correct 33 ms 47688 KB Output is correct
32 Correct 32 ms 47632 KB Output is correct
33 Correct 33 ms 47608 KB Output is correct
34 Correct 33 ms 47664 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 47316 KB Output is correct
2 Correct 23 ms 47212 KB Output is correct
3 Correct 24 ms 47220 KB Output is correct
4 Correct 23 ms 47188 KB Output is correct
5 Correct 23 ms 47260 KB Output is correct
6 Correct 25 ms 47224 KB Output is correct
7 Correct 23 ms 47236 KB Output is correct
8 Correct 28 ms 47188 KB Output is correct
9 Correct 24 ms 47308 KB Output is correct
10 Correct 24 ms 47228 KB Output is correct
11 Correct 25 ms 47388 KB Output is correct
12 Correct 24 ms 47260 KB Output is correct
13 Correct 23 ms 47272 KB Output is correct
14 Correct 24 ms 47312 KB Output is correct
15 Correct 23 ms 47256 KB Output is correct
16 Correct 24 ms 47264 KB Output is correct
17 Correct 24 ms 47188 KB Output is correct
18 Correct 24 ms 47188 KB Output is correct
19 Correct 24 ms 47236 KB Output is correct
20 Correct 24 ms 47168 KB Output is correct
21 Correct 23 ms 47312 KB Output is correct
22 Correct 24 ms 47220 KB Output is correct
23 Correct 25 ms 47180 KB Output is correct
24 Correct 24 ms 47212 KB Output is correct
25 Correct 25 ms 47312 KB Output is correct
26 Correct 28 ms 47184 KB Output is correct
27 Correct 37 ms 47692 KB Output is correct
28 Correct 33 ms 47692 KB Output is correct
29 Correct 35 ms 47648 KB Output is correct
30 Correct 32 ms 47564 KB Output is correct
31 Correct 33 ms 47688 KB Output is correct
32 Correct 32 ms 47632 KB Output is correct
33 Correct 33 ms 47608 KB Output is correct
34 Correct 33 ms 47664 KB Output is correct
35 Correct 98 ms 51488 KB Output is correct
36 Correct 86 ms 51500 KB Output is correct
37 Correct 84 ms 51500 KB Output is correct
38 Correct 87 ms 51584 KB Output is correct
39 Correct 86 ms 51548 KB Output is correct
40 Correct 54 ms 49744 KB Output is correct
41 Correct 56 ms 49592 KB Output is correct
42 Correct 50 ms 49212 KB Output is correct
43 Correct 55 ms 49108 KB Output is correct
44 Correct 55 ms 49712 KB Output is correct
45 Correct 55 ms 49636 KB Output is correct
46 Correct 50 ms 49320 KB Output is correct
47 Correct 51 ms 49228 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 47316 KB Output is correct
2 Correct 23 ms 47212 KB Output is correct
3 Correct 24 ms 47220 KB Output is correct
4 Correct 23 ms 47188 KB Output is correct
5 Correct 23 ms 47260 KB Output is correct
6 Correct 25 ms 47224 KB Output is correct
7 Correct 23 ms 47236 KB Output is correct
8 Correct 28 ms 47188 KB Output is correct
9 Correct 24 ms 47308 KB Output is correct
10 Correct 24 ms 47228 KB Output is correct
11 Correct 25 ms 47388 KB Output is correct
12 Correct 24 ms 47260 KB Output is correct
13 Correct 23 ms 47272 KB Output is correct
14 Correct 24 ms 47312 KB Output is correct
15 Correct 23 ms 47256 KB Output is correct
16 Correct 24 ms 47264 KB Output is correct
17 Correct 24 ms 47188 KB Output is correct
18 Correct 24 ms 47188 KB Output is correct
19 Correct 24 ms 47236 KB Output is correct
20 Correct 24 ms 47168 KB Output is correct
21 Correct 23 ms 47312 KB Output is correct
22 Correct 24 ms 47220 KB Output is correct
23 Correct 25 ms 47180 KB Output is correct
24 Correct 24 ms 47212 KB Output is correct
25 Correct 25 ms 47312 KB Output is correct
26 Correct 28 ms 47184 KB Output is correct
27 Correct 37 ms 47692 KB Output is correct
28 Correct 33 ms 47692 KB Output is correct
29 Correct 35 ms 47648 KB Output is correct
30 Correct 32 ms 47564 KB Output is correct
31 Correct 33 ms 47688 KB Output is correct
32 Correct 32 ms 47632 KB Output is correct
33 Correct 33 ms 47608 KB Output is correct
34 Correct 33 ms 47664 KB Output is correct
35 Correct 98 ms 51488 KB Output is correct
36 Correct 86 ms 51500 KB Output is correct
37 Correct 84 ms 51500 KB Output is correct
38 Correct 87 ms 51584 KB Output is correct
39 Correct 86 ms 51548 KB Output is correct
40 Correct 54 ms 49744 KB Output is correct
41 Correct 56 ms 49592 KB Output is correct
42 Correct 50 ms 49212 KB Output is correct
43 Correct 55 ms 49108 KB Output is correct
44 Correct 55 ms 49712 KB Output is correct
45 Correct 55 ms 49636 KB Output is correct
46 Correct 50 ms 49320 KB Output is correct
47 Correct 51 ms 49228 KB Output is correct
48 Correct 1807 ms 95724 KB Output is correct
49 Correct 1862 ms 100200 KB Output is correct
50 Correct 1826 ms 100276 KB Output is correct
51 Correct 1710 ms 93396 KB Output is correct
52 Correct 1440 ms 84772 KB Output is correct
53 Correct 649 ms 79448 KB Output is correct
54 Correct 442 ms 73164 KB Output is correct
55 Correct 430 ms 72620 KB Output is correct
56 Correct 372 ms 69908 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 47316 KB Output is correct
2 Correct 23 ms 47212 KB Output is correct
3 Correct 24 ms 47220 KB Output is correct
4 Correct 23 ms 47188 KB Output is correct
5 Correct 23 ms 47260 KB Output is correct
6 Correct 25 ms 47224 KB Output is correct
7 Correct 23 ms 47236 KB Output is correct
8 Correct 28 ms 47188 KB Output is correct
9 Correct 24 ms 47308 KB Output is correct
10 Correct 24 ms 47228 KB Output is correct
11 Correct 25 ms 47388 KB Output is correct
12 Correct 24 ms 47260 KB Output is correct
13 Correct 23 ms 47272 KB Output is correct
14 Correct 24 ms 47312 KB Output is correct
15 Correct 23 ms 47256 KB Output is correct
16 Correct 24 ms 47264 KB Output is correct
17 Correct 24 ms 47188 KB Output is correct
18 Correct 24 ms 47188 KB Output is correct
19 Correct 24 ms 47236 KB Output is correct
20 Correct 24 ms 47168 KB Output is correct
21 Correct 23 ms 47312 KB Output is correct
22 Correct 24 ms 47220 KB Output is correct
23 Correct 25 ms 47180 KB Output is correct
24 Correct 24 ms 47212 KB Output is correct
25 Correct 25 ms 47312 KB Output is correct
26 Correct 28 ms 47184 KB Output is correct
27 Correct 37 ms 47692 KB Output is correct
28 Correct 33 ms 47692 KB Output is correct
29 Correct 35 ms 47648 KB Output is correct
30 Correct 32 ms 47564 KB Output is correct
31 Correct 33 ms 47688 KB Output is correct
32 Correct 32 ms 47632 KB Output is correct
33 Correct 33 ms 47608 KB Output is correct
34 Correct 33 ms 47664 KB Output is correct
35 Correct 98 ms 51488 KB Output is correct
36 Correct 86 ms 51500 KB Output is correct
37 Correct 84 ms 51500 KB Output is correct
38 Correct 87 ms 51584 KB Output is correct
39 Correct 86 ms 51548 KB Output is correct
40 Correct 54 ms 49744 KB Output is correct
41 Correct 56 ms 49592 KB Output is correct
42 Correct 50 ms 49212 KB Output is correct
43 Correct 55 ms 49108 KB Output is correct
44 Correct 55 ms 49712 KB Output is correct
45 Correct 55 ms 49636 KB Output is correct
46 Correct 50 ms 49320 KB Output is correct
47 Correct 51 ms 49228 KB Output is correct
48 Correct 1807 ms 95724 KB Output is correct
49 Correct 1862 ms 100200 KB Output is correct
50 Correct 1826 ms 100276 KB Output is correct
51 Correct 1710 ms 93396 KB Output is correct
52 Correct 1440 ms 84772 KB Output is correct
53 Correct 649 ms 79448 KB Output is correct
54 Correct 442 ms 73164 KB Output is correct
55 Correct 430 ms 72620 KB Output is correct
56 Correct 372 ms 69908 KB Output is correct
57 Correct 1190 ms 123680 KB Output is correct
58 Correct 1131 ms 116044 KB Output is correct
59 Correct 1156 ms 115976 KB Output is correct
60 Correct 1169 ms 118044 KB Output is correct
61 Correct 1160 ms 118080 KB Output is correct
62 Correct 689 ms 87500 KB Output is correct
63 Correct 940 ms 98500 KB Output is correct
64 Correct 799 ms 92804 KB Output is correct
65 Correct 517 ms 78444 KB Output is correct