oj.uz

Submission #949603

# Submission time Handle Problem Language Result Execution time Memory
949603 2024-03-19T11:55:43 Z ace5 Rope (JOI17_rope) C++17
100 / 100
 804 ms 81748 KB 
#include <bits/stdc++.h>

using namespace std;

const int maxn = 1000001;

vector<int> cc[maxn];
int us[maxn];
int a[maxn];
int u[maxn];
int me[maxn];
int ans[maxn];

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int n,m;
    cin >> n >> m;
    for(int j = 0;j < n;++j)
    {
        cin >> a[j];
        a[j]--;
        cc[a[j]].push_back(j);
    }
    for(int j = 0;j < m;++j)
    {
        me[j] = j;
        u[j] = cc[j].size();
        ans[j] = n+1;
    }
    sort(me,me+m,[&](int a,int b){return u[a] > u[b];});
    if(m == 1)
    {
        cout << 0;
        return 0;
    }
    for(int j = 0;j < m;++j)
    {
        us[j] = 1;
        int op = u[j];
        int xx = 0;
        for(int k = 0;k < cc[j].size();++k)
        {
            if(cc[j][k] == n-1 && n%2 == 1)
                break;
            int pr = a[cc[j][k]^1];
            us[pr] = 1;
            u[pr]--;
        }
        for(int k = 0;k < cc[j].size();++k)
        {
            if(cc[j][k] == n-1 && n%2 == 1)
                break;
            int pr = a[cc[j][k]^1];
            if(pr != j)
                xx = max(xx,u[pr]);
        }
        for(int j = 0;j < m;++j)
        {
            if(!us[me[j]])
            {
                xx = max(xx,u[me[j]]);
                break;
            }
        }
        ans[j] = min(ans[j],n-op-xx);
        for(int k = 0;k < cc[j].size();++k)
        {
            if(cc[j][k] == n-1 && n%2 == 1)
                break;
            int pr = a[cc[j][k]^1];
            us[pr] = 0;
            u[pr]++;
        }
        us[j] = 0;
    }
    for(int j = 0;j < m;++j)
    {
        us[j] = 1;
        int op = u[j];
        int xx = 0;
        for(int k = 0;k < cc[j].size();++k)
        {
            if(cc[j][k] == n-1 && n%2 == 0)
                break;
            if(cc[j][k] == 0)
                continue;
            int pr = a[((cc[j][k]-1)^1)+1];
            us[pr] = 1;
            u[pr]--;
        }
        for(int k = 0;k < cc[j].size();++k)
        {
            if(cc[j][k] == n-1 && n%2 == 0)
                break;
            if(cc[j][k] == 0)
                continue;
            int pr = a[((cc[j][k]-1)^1)+1];
            if(pr != j)
                xx = max(xx,u[pr]);
        }
        for(int j = 0;j < m;++j)
        {
            if(!us[me[j]])
            {
                xx = max(xx,u[me[j]]);
                break;
            }
        }
        ans[j] = min(ans[j],n-op-xx);
        for(int k = 0;k < cc[j].size();++k)
        {
            if(cc[j][k] == n-1 && n%2 == 0)
                break;
            if(cc[j][k] == 0)
                continue;
            int pr = a[((cc[j][k]-1)^1)+1];
            us[pr] = 0;
            u[pr]++;
        }
        us[j] = 0;
        cout << ans[j] << "\n";
    }
    return 0;
}

Compilation message

rope.cpp: In function 'int main()':
rope.cpp:43:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |         for(int k = 0;k < cc[j].size();++k)
      |                       ~~^~~~~~~~~~~~~~
rope.cpp:51:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   51 |         for(int k = 0;k < cc[j].size();++k)
      |                       ~~^~~~~~~~~~~~~~
rope.cpp:68:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   68 |         for(int k = 0;k < cc[j].size();++k)
      |                       ~~^~~~~~~~~~~~~~
rope.cpp:83:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   83 |         for(int k = 0;k < cc[j].size();++k)
      |                       ~~^~~~~~~~~~~~~~
rope.cpp:93:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   93 |         for(int k = 0;k < cc[j].size();++k)
      |                       ~~^~~~~~~~~~~~~~
rope.cpp:112:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  112 |         for(int k = 0;k < cc[j].size();++k)
      |                       ~~^~~~~~~~~~~~~~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 32860 KB Output is correct
2 Correct 8 ms 32936 KB Output is correct
3 Correct 8 ms 33060 KB Output is correct
4 Correct 7 ms 33112 KB Output is correct
5 Correct 8 ms 32860 KB Output is correct
6 Correct 7 ms 32860 KB Output is correct
7 Correct 7 ms 32860 KB Output is correct
8 Correct 8 ms 32860 KB Output is correct
9 Correct 7 ms 32860 KB Output is correct
10 Correct 10 ms 32988 KB Output is correct
11 Correct 8 ms 32860 KB Output is correct
12 Correct 7 ms 32860 KB Output is correct
13 Correct 7 ms 32860 KB Output is correct
14 Correct 8 ms 32860 KB Output is correct
15 Correct 7 ms 32856 KB Output is correct
16 Correct 8 ms 33040 KB Output is correct
17 Correct 7 ms 32860 KB Output is correct
18 Correct 7 ms 33072 KB Output is correct
19 Correct 7 ms 32860 KB Output is correct
20 Correct 8 ms 32860 KB Output is correct
21 Correct 8 ms 32856 KB Output is correct
22 Correct 7 ms 30812 KB Output is correct
23 Correct 7 ms 32860 KB Output is correct
24 Correct 8 ms 32860 KB Output is correct
25 Correct 7 ms 33068 KB Output is correct
26 Correct 7 ms 30812 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 32860 KB Output is correct
2 Correct 8 ms 32936 KB Output is correct
3 Correct 8 ms 33060 KB Output is correct
4 Correct 7 ms 33112 KB Output is correct
5 Correct 8 ms 32860 KB Output is correct
6 Correct 7 ms 32860 KB Output is correct
7 Correct 7 ms 32860 KB Output is correct
8 Correct 8 ms 32860 KB Output is correct
9 Correct 7 ms 32860 KB Output is correct
10 Correct 10 ms 32988 KB Output is correct
11 Correct 8 ms 32860 KB Output is correct
12 Correct 7 ms 32860 KB Output is correct
13 Correct 7 ms 32860 KB Output is correct
14 Correct 8 ms 32860 KB Output is correct
15 Correct 7 ms 32856 KB Output is correct
16 Correct 8 ms 33040 KB Output is correct
17 Correct 7 ms 32860 KB Output is correct
18 Correct 7 ms 33072 KB Output is correct
19 Correct 7 ms 32860 KB Output is correct
20 Correct 8 ms 32860 KB Output is correct
21 Correct 8 ms 32856 KB Output is correct
22 Correct 7 ms 30812 KB Output is correct
23 Correct 7 ms 32860 KB Output is correct
24 Correct 8 ms 32860 KB Output is correct
25 Correct 7 ms 33068 KB Output is correct
26 Correct 7 ms 30812 KB Output is correct
27 Correct 12 ms 33628 KB Output is correct
28 Correct 16 ms 33640 KB Output is correct
29 Correct 12 ms 33628 KB Output is correct
30 Correct 12 ms 33496 KB Output is correct
31 Correct 12 ms 33628 KB Output is correct
32 Correct 14 ms 33704 KB Output is correct
33 Correct 12 ms 33628 KB Output is correct
34 Correct 12 ms 33564 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 32860 KB Output is correct
2 Correct 8 ms 32936 KB Output is correct
3 Correct 8 ms 33060 KB Output is correct
4 Correct 7 ms 33112 KB Output is correct
5 Correct 8 ms 32860 KB Output is correct
6 Correct 7 ms 32860 KB Output is correct
7 Correct 7 ms 32860 KB Output is correct
8 Correct 8 ms 32860 KB Output is correct
9 Correct 7 ms 32860 KB Output is correct
10 Correct 10 ms 32988 KB Output is correct
11 Correct 8 ms 32860 KB Output is correct
12 Correct 7 ms 32860 KB Output is correct
13 Correct 7 ms 32860 KB Output is correct
14 Correct 8 ms 32860 KB Output is correct
15 Correct 7 ms 32856 KB Output is correct
16 Correct 8 ms 33040 KB Output is correct
17 Correct 7 ms 32860 KB Output is correct
18 Correct 7 ms 33072 KB Output is correct
19 Correct 7 ms 32860 KB Output is correct
20 Correct 8 ms 32860 KB Output is correct
21 Correct 8 ms 32856 KB Output is correct
22 Correct 7 ms 30812 KB Output is correct
23 Correct 7 ms 32860 KB Output is correct
24 Correct 8 ms 32860 KB Output is correct
25 Correct 7 ms 33068 KB Output is correct
26 Correct 7 ms 30812 KB Output is correct
27 Correct 12 ms 33628 KB Output is correct
28 Correct 16 ms 33640 KB Output is correct
29 Correct 12 ms 33628 KB Output is correct
30 Correct 12 ms 33496 KB Output is correct
31 Correct 12 ms 33628 KB Output is correct
32 Correct 14 ms 33704 KB Output is correct
33 Correct 12 ms 33628 KB Output is correct
34 Correct 12 ms 33564 KB Output is correct
35 Correct 13 ms 33628 KB Output is correct
36 Correct 14 ms 33624 KB Output is correct
37 Correct 14 ms 33628 KB Output is correct
38 Correct 14 ms 33488 KB Output is correct
39 Correct 14 ms 33628 KB Output is correct
40 Correct 14 ms 33628 KB Output is correct
41 Correct 14 ms 33624 KB Output is correct
42 Correct 13 ms 33692 KB Output is correct
43 Correct 13 ms 33672 KB Output is correct
44 Correct 18 ms 33716 KB Output is correct
45 Correct 13 ms 33624 KB Output is correct
46 Correct 14 ms 33624 KB Output is correct
47 Correct 14 ms 33628 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 32860 KB Output is correct
2 Correct 8 ms 32936 KB Output is correct
3 Correct 8 ms 33060 KB Output is correct
4 Correct 7 ms 33112 KB Output is correct
5 Correct 8 ms 32860 KB Output is correct
6 Correct 7 ms 32860 KB Output is correct
7 Correct 7 ms 32860 KB Output is correct
8 Correct 8 ms 32860 KB Output is correct
9 Correct 7 ms 32860 KB Output is correct
10 Correct 10 ms 32988 KB Output is correct
11 Correct 8 ms 32860 KB Output is correct
12 Correct 7 ms 32860 KB Output is correct
13 Correct 7 ms 32860 KB Output is correct
14 Correct 8 ms 32860 KB Output is correct
15 Correct 7 ms 32856 KB Output is correct
16 Correct 8 ms 33040 KB Output is correct
17 Correct 7 ms 32860 KB Output is correct
18 Correct 7 ms 33072 KB Output is correct
19 Correct 7 ms 32860 KB Output is correct
20 Correct 8 ms 32860 KB Output is correct
21 Correct 8 ms 32856 KB Output is correct
22 Correct 7 ms 30812 KB Output is correct
23 Correct 7 ms 32860 KB Output is correct
24 Correct 8 ms 32860 KB Output is correct
25 Correct 7 ms 33068 KB Output is correct
26 Correct 7 ms 30812 KB Output is correct
27 Correct 12 ms 33628 KB Output is correct
28 Correct 16 ms 33640 KB Output is correct
29 Correct 12 ms 33628 KB Output is correct
30 Correct 12 ms 33496 KB Output is correct
31 Correct 12 ms 33628 KB Output is correct
32 Correct 14 ms 33704 KB Output is correct
33 Correct 12 ms 33628 KB Output is correct
34 Correct 12 ms 33564 KB Output is correct
35 Correct 13 ms 33628 KB Output is correct
36 Correct 14 ms 33624 KB Output is correct
37 Correct 14 ms 33628 KB Output is correct
38 Correct 14 ms 33488 KB Output is correct
39 Correct 14 ms 33628 KB Output is correct
40 Correct 14 ms 33628 KB Output is correct
41 Correct 14 ms 33624 KB Output is correct
42 Correct 13 ms 33692 KB Output is correct
43 Correct 13 ms 33672 KB Output is correct
44 Correct 18 ms 33716 KB Output is correct
45 Correct 13 ms 33624 KB Output is correct
46 Correct 14 ms 33624 KB Output is correct
47 Correct 14 ms 33628 KB Output is correct
48 Correct 89 ms 41552 KB Output is correct
49 Correct 85 ms 41556 KB Output is correct
50 Correct 84 ms 41556 KB Output is correct
51 Correct 84 ms 41552 KB Output is correct
52 Correct 73 ms 40664 KB Output is correct
53 Correct 78 ms 40956 KB Output is correct
54 Correct 74 ms 39764 KB Output is correct
55 Correct 78 ms 39760 KB Output is correct
56 Correct 73 ms 39508 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 32860 KB Output is correct
2 Correct 8 ms 32936 KB Output is correct
3 Correct 8 ms 33060 KB Output is correct
4 Correct 7 ms 33112 KB Output is correct
5 Correct 8 ms 32860 KB Output is correct
6 Correct 7 ms 32860 KB Output is correct
7 Correct 7 ms 32860 KB Output is correct
8 Correct 8 ms 32860 KB Output is correct
9 Correct 7 ms 32860 KB Output is correct
10 Correct 10 ms 32988 KB Output is correct
11 Correct 8 ms 32860 KB Output is correct
12 Correct 7 ms 32860 KB Output is correct
13 Correct 7 ms 32860 KB Output is correct
14 Correct 8 ms 32860 KB Output is correct
15 Correct 7 ms 32856 KB Output is correct
16 Correct 8 ms 33040 KB Output is correct
17 Correct 7 ms 32860 KB Output is correct
18 Correct 7 ms 33072 KB Output is correct
19 Correct 7 ms 32860 KB Output is correct
20 Correct 8 ms 32860 KB Output is correct
21 Correct 8 ms 32856 KB Output is correct
22 Correct 7 ms 30812 KB Output is correct
23 Correct 7 ms 32860 KB Output is correct
24 Correct 8 ms 32860 KB Output is correct
25 Correct 7 ms 33068 KB Output is correct
26 Correct 7 ms 30812 KB Output is correct
27 Correct 12 ms 33628 KB Output is correct
28 Correct 16 ms 33640 KB Output is correct
29 Correct 12 ms 33628 KB Output is correct
30 Correct 12 ms 33496 KB Output is correct
31 Correct 12 ms 33628 KB Output is correct
32 Correct 14 ms 33704 KB Output is correct
33 Correct 12 ms 33628 KB Output is correct
34 Correct 12 ms 33564 KB Output is correct
35 Correct 13 ms 33628 KB Output is correct
36 Correct 14 ms 33624 KB Output is correct
37 Correct 14 ms 33628 KB Output is correct
38 Correct 14 ms 33488 KB Output is correct
39 Correct 14 ms 33628 KB Output is correct
40 Correct 14 ms 33628 KB Output is correct
41 Correct 14 ms 33624 KB Output is correct
42 Correct 13 ms 33692 KB Output is correct
43 Correct 13 ms 33672 KB Output is correct
44 Correct 18 ms 33716 KB Output is correct
45 Correct 13 ms 33624 KB Output is correct
46 Correct 14 ms 33624 KB Output is correct
47 Correct 14 ms 33628 KB Output is correct
48 Correct 89 ms 41552 KB Output is correct
49 Correct 85 ms 41556 KB Output is correct
50 Correct 84 ms 41556 KB Output is correct
51 Correct 84 ms 41552 KB Output is correct
52 Correct 73 ms 40664 KB Output is correct
53 Correct 78 ms 40956 KB Output is correct
54 Correct 74 ms 39764 KB Output is correct
55 Correct 78 ms 39760 KB Output is correct
56 Correct 73 ms 39508 KB Output is correct
57 Correct 804 ms 81748 KB Output is correct
58 Correct 493 ms 73044 KB Output is correct
59 Correct 575 ms 73032 KB Output is correct
60 Correct 584 ms 76852 KB Output is correct
61 Correct 621 ms 77172 KB Output is correct
62 Correct 220 ms 62620 KB Output is correct
63 Correct 323 ms 68688 KB Output is correct
64 Correct 348 ms 66128 KB Output is correct
65 Correct 134 ms 57232 KB Output is correct