oj.uz

Submission #757064

# Submission time Handle Problem Language Result Execution time Memory
757064 2023-06-12T13:33:38 Z 1bin Rope (JOI17_rope) C++14
100 / 100
 935 ms 76620 KB 
#include <bits/stdc++.h>

using namespace std;

#define all(v) v.begin(), v.end()
typedef long long ll;
const int NMAX = 1e6 + 5;
int n, m, a[NMAX], C[NMAX], cnt[NMAX], mx, ans;
vector<int> v[NMAX];

void add(int c, int f){
    cnt[C[c]]--;
    if(!f){
        cnt[--C[c]]++;
        if(!cnt[mx]) mx--;
    }
    else{
        cnt[++C[c]]++;
        if(cnt[mx + 1]) mx++;
    }
    return;
}

int main(void){
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    
    cin >> n >> m;
    cnt[0] = m;
    for(int i = 0; i < n; i++) {
        cin >> a[i];
        add(a[i], 1);
        v[a[i]].emplace_back(i);
    }
    
    for(int c = 1; c <= m; c++){
        for(int i = 0; i < v[c].size(); i++) add(c, 0);
        ans = 1e9;
        for(int f = 0; f < 2; f++){
            int ret = n - v[c].size();
            for(int& ix : v[c]){
                if((ix & 1) == f){
                    if(ix + 1 < n && a[ix + 1] != c) add(a[ix + 1], 0);
                }
                else{
                    if(ix && a[ix - 1] != c) add(a[ix - 1], 0);
                }
            }
            ans = min(ans, ret - mx);
            
            for(int& ix : v[c]){
                if((ix & 1) == f){
                    if(ix + 1 < n && a[ix + 1] != c) add(a[ix + 1], 1);
                }
                else{
                    if(ix && a[ix - 1] != c) add(a[ix - 1], 1);
                }
            }
        }
        cout << ans << '\n';
        for(int i = 0; i < v[c].size(); i++) add(c, 1);
    }
    return 0;
}

Compilation message

rope.cpp: In function 'int main()':
rope.cpp:36:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |         for(int i = 0; i < v[c].size(); i++) add(c, 0);
      |                        ~~^~~~~~~~~~~~~
rope.cpp:60:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   60 |         for(int i = 0; i < v[c].size(); i++) add(c, 1);
      |                        ~~^~~~~~~~~~~~~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 14 ms 23812 KB Output is correct
3 Correct 13 ms 23816 KB Output is correct
4 Correct 13 ms 23812 KB Output is correct
5 Correct 13 ms 23808 KB Output is correct
6 Correct 14 ms 23808 KB Output is correct
7 Correct 13 ms 23796 KB Output is correct
8 Correct 12 ms 23748 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 13 ms 23740 KB Output is correct
11 Correct 15 ms 23812 KB Output is correct
12 Correct 13 ms 23764 KB Output is correct
13 Correct 13 ms 23732 KB Output is correct
14 Correct 14 ms 23812 KB Output is correct
15 Correct 13 ms 23716 KB Output is correct
16 Correct 13 ms 23764 KB Output is correct
17 Correct 13 ms 23764 KB Output is correct
18 Correct 14 ms 23764 KB Output is correct
19 Correct 13 ms 23752 KB Output is correct
20 Correct 14 ms 23892 KB Output is correct
21 Correct 13 ms 23808 KB Output is correct
22 Correct 13 ms 23812 KB Output is correct
23 Correct 13 ms 23764 KB Output is correct
24 Correct 13 ms 23812 KB Output is correct
25 Correct 14 ms 23892 KB Output is correct
26 Correct 13 ms 23764 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 14 ms 23812 KB Output is correct
3 Correct 13 ms 23816 KB Output is correct
4 Correct 13 ms 23812 KB Output is correct
5 Correct 13 ms 23808 KB Output is correct
6 Correct 14 ms 23808 KB Output is correct
7 Correct 13 ms 23796 KB Output is correct
8 Correct 12 ms 23748 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 13 ms 23740 KB Output is correct
11 Correct 15 ms 23812 KB Output is correct
12 Correct 13 ms 23764 KB Output is correct
13 Correct 13 ms 23732 KB Output is correct
14 Correct 14 ms 23812 KB Output is correct
15 Correct 13 ms 23716 KB Output is correct
16 Correct 13 ms 23764 KB Output is correct
17 Correct 13 ms 23764 KB Output is correct
18 Correct 14 ms 23764 KB Output is correct
19 Correct 13 ms 23752 KB Output is correct
20 Correct 14 ms 23892 KB Output is correct
21 Correct 13 ms 23808 KB Output is correct
22 Correct 13 ms 23812 KB Output is correct
23 Correct 13 ms 23764 KB Output is correct
24 Correct 13 ms 23812 KB Output is correct
25 Correct 14 ms 23892 KB Output is correct
26 Correct 13 ms 23764 KB Output is correct
27 Correct 25 ms 25008 KB Output is correct
28 Correct 26 ms 25064 KB Output is correct
29 Correct 25 ms 25044 KB Output is correct
30 Correct 27 ms 25156 KB Output is correct
31 Correct 25 ms 25028 KB Output is correct
32 Correct 25 ms 25044 KB Output is correct
33 Correct 24 ms 24972 KB Output is correct
34 Correct 25 ms 25100 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 14 ms 23812 KB Output is correct
3 Correct 13 ms 23816 KB Output is correct
4 Correct 13 ms 23812 KB Output is correct
5 Correct 13 ms 23808 KB Output is correct
6 Correct 14 ms 23808 KB Output is correct
7 Correct 13 ms 23796 KB Output is correct
8 Correct 12 ms 23748 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 13 ms 23740 KB Output is correct
11 Correct 15 ms 23812 KB Output is correct
12 Correct 13 ms 23764 KB Output is correct
13 Correct 13 ms 23732 KB Output is correct
14 Correct 14 ms 23812 KB Output is correct
15 Correct 13 ms 23716 KB Output is correct
16 Correct 13 ms 23764 KB Output is correct
17 Correct 13 ms 23764 KB Output is correct
18 Correct 14 ms 23764 KB Output is correct
19 Correct 13 ms 23752 KB Output is correct
20 Correct 14 ms 23892 KB Output is correct
21 Correct 13 ms 23808 KB Output is correct
22 Correct 13 ms 23812 KB Output is correct
23 Correct 13 ms 23764 KB Output is correct
24 Correct 13 ms 23812 KB Output is correct
25 Correct 14 ms 23892 KB Output is correct
26 Correct 13 ms 23764 KB Output is correct
27 Correct 25 ms 25008 KB Output is correct
28 Correct 26 ms 25064 KB Output is correct
29 Correct 25 ms 25044 KB Output is correct
30 Correct 27 ms 25156 KB Output is correct
31 Correct 25 ms 25028 KB Output is correct
32 Correct 25 ms 25044 KB Output is correct
33 Correct 24 ms 24972 KB Output is correct
34 Correct 25 ms 25100 KB Output is correct
35 Correct 27 ms 25108 KB Output is correct
36 Correct 26 ms 25164 KB Output is correct
37 Correct 30 ms 25044 KB Output is correct
38 Correct 27 ms 25104 KB Output is correct
39 Correct 28 ms 25172 KB Output is correct
40 Correct 26 ms 25192 KB Output is correct
41 Correct 25 ms 25172 KB Output is correct
42 Correct 25 ms 25164 KB Output is correct
43 Correct 25 ms 25164 KB Output is correct
44 Correct 27 ms 25236 KB Output is correct
45 Correct 26 ms 25240 KB Output is correct
46 Correct 26 ms 25100 KB Output is correct
47 Correct 27 ms 25236 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 14 ms 23812 KB Output is correct
3 Correct 13 ms 23816 KB Output is correct
4 Correct 13 ms 23812 KB Output is correct
5 Correct 13 ms 23808 KB Output is correct
6 Correct 14 ms 23808 KB Output is correct
7 Correct 13 ms 23796 KB Output is correct
8 Correct 12 ms 23748 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 13 ms 23740 KB Output is correct
11 Correct 15 ms 23812 KB Output is correct
12 Correct 13 ms 23764 KB Output is correct
13 Correct 13 ms 23732 KB Output is correct
14 Correct 14 ms 23812 KB Output is correct
15 Correct 13 ms 23716 KB Output is correct
16 Correct 13 ms 23764 KB Output is correct
17 Correct 13 ms 23764 KB Output is correct
18 Correct 14 ms 23764 KB Output is correct
19 Correct 13 ms 23752 KB Output is correct
20 Correct 14 ms 23892 KB Output is correct
21 Correct 13 ms 23808 KB Output is correct
22 Correct 13 ms 23812 KB Output is correct
23 Correct 13 ms 23764 KB Output is correct
24 Correct 13 ms 23812 KB Output is correct
25 Correct 14 ms 23892 KB Output is correct
26 Correct 13 ms 23764 KB Output is correct
27 Correct 25 ms 25008 KB Output is correct
28 Correct 26 ms 25064 KB Output is correct
29 Correct 25 ms 25044 KB Output is correct
30 Correct 27 ms 25156 KB Output is correct
31 Correct 25 ms 25028 KB Output is correct
32 Correct 25 ms 25044 KB Output is correct
33 Correct 24 ms 24972 KB Output is correct
34 Correct 25 ms 25100 KB Output is correct
35 Correct 27 ms 25108 KB Output is correct
36 Correct 26 ms 25164 KB Output is correct
37 Correct 30 ms 25044 KB Output is correct
38 Correct 27 ms 25104 KB Output is correct
39 Correct 28 ms 25172 KB Output is correct
40 Correct 26 ms 25192 KB Output is correct
41 Correct 25 ms 25172 KB Output is correct
42 Correct 25 ms 25164 KB Output is correct
43 Correct 25 ms 25164 KB Output is correct
44 Correct 27 ms 25236 KB Output is correct
45 Correct 26 ms 25240 KB Output is correct
46 Correct 26 ms 25100 KB Output is correct
47 Correct 27 ms 25236 KB Output is correct
48 Correct 187 ms 39000 KB Output is correct
49 Correct 226 ms 38924 KB Output is correct
50 Correct 244 ms 39116 KB Output is correct
51 Correct 219 ms 38476 KB Output is correct
52 Correct 211 ms 37324 KB Output is correct
53 Correct 170 ms 38356 KB Output is correct
54 Correct 154 ms 37068 KB Output is correct
55 Correct 156 ms 36932 KB Output is correct
56 Correct 149 ms 36772 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 14 ms 23812 KB Output is correct
3 Correct 13 ms 23816 KB Output is correct
4 Correct 13 ms 23812 KB Output is correct
5 Correct 13 ms 23808 KB Output is correct
6 Correct 14 ms 23808 KB Output is correct
7 Correct 13 ms 23796 KB Output is correct
8 Correct 12 ms 23748 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 13 ms 23740 KB Output is correct
11 Correct 15 ms 23812 KB Output is correct
12 Correct 13 ms 23764 KB Output is correct
13 Correct 13 ms 23732 KB Output is correct
14 Correct 14 ms 23812 KB Output is correct
15 Correct 13 ms 23716 KB Output is correct
16 Correct 13 ms 23764 KB Output is correct
17 Correct 13 ms 23764 KB Output is correct
18 Correct 14 ms 23764 KB Output is correct
19 Correct 13 ms 23752 KB Output is correct
20 Correct 14 ms 23892 KB Output is correct
21 Correct 13 ms 23808 KB Output is correct
22 Correct 13 ms 23812 KB Output is correct
23 Correct 13 ms 23764 KB Output is correct
24 Correct 13 ms 23812 KB Output is correct
25 Correct 14 ms 23892 KB Output is correct
26 Correct 13 ms 23764 KB Output is correct
27 Correct 25 ms 25008 KB Output is correct
28 Correct 26 ms 25064 KB Output is correct
29 Correct 25 ms 25044 KB Output is correct
30 Correct 27 ms 25156 KB Output is correct
31 Correct 25 ms 25028 KB Output is correct
32 Correct 25 ms 25044 KB Output is correct
33 Correct 24 ms 24972 KB Output is correct
34 Correct 25 ms 25100 KB Output is correct
35 Correct 27 ms 25108 KB Output is correct
36 Correct 26 ms 25164 KB Output is correct
37 Correct 30 ms 25044 KB Output is correct
38 Correct 27 ms 25104 KB Output is correct
39 Correct 28 ms 25172 KB Output is correct
40 Correct 26 ms 25192 KB Output is correct
41 Correct 25 ms 25172 KB Output is correct
42 Correct 25 ms 25164 KB Output is correct
43 Correct 25 ms 25164 KB Output is correct
44 Correct 27 ms 25236 KB Output is correct
45 Correct 26 ms 25240 KB Output is correct
46 Correct 26 ms 25100 KB Output is correct
47 Correct 27 ms 25236 KB Output is correct
48 Correct 187 ms 39000 KB Output is correct
49 Correct 226 ms 38924 KB Output is correct
50 Correct 244 ms 39116 KB Output is correct
51 Correct 219 ms 38476 KB Output is correct
52 Correct 211 ms 37324 KB Output is correct
53 Correct 170 ms 38356 KB Output is correct
54 Correct 154 ms 37068 KB Output is correct
55 Correct 156 ms 36932 KB Output is correct
56 Correct 149 ms 36772 KB Output is correct
57 Correct 935 ms 76620 KB Output is correct
58 Correct 793 ms 59884 KB Output is correct
59 Correct 762 ms 59620 KB Output is correct
60 Correct 796 ms 63852 KB Output is correct
61 Correct 727 ms 63916 KB Output is correct
62 Correct 359 ms 49956 KB Output is correct
63 Correct 482 ms 54584 KB Output is correct
64 Correct 412 ms 51792 KB Output is correct
65 Correct 253 ms 44076 KB Output is correct