oj.uz

Submission #1001062

# Submission time Handle Problem Language Result Execution time Memory
1001062 2024-06-18T13:54:54 Z Otalp Rope (JOI17_rope) C++17
55 / 100
 1330 ms 262144 KB 
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int, int>
#define ff first
#define ss second
#define pb push_back
 
map<int, int> dp[2][1001000];
int cnt[1001000];
int a[1001000];
vector<int> d[1001000];
 

bool cmp(int a, int b){
    if(cnt[a] == cnt[b]) return a > b;
    return cnt[a] > cnt[b];
}
 
void solve(){
    int n, m;
    cin>>n>>m;
    for(int i=1; i<=n; i++){
        cin>>a[i];
        cnt[a[i]] ++;
    }
    vector<pii> g;
    for(int i=1; i<=m; i++){
        g.pb({cnt[i], i});
    }
    sort(g.begin(), g.end(), greater<pii>());
 
    for(int i=1; i+1<=n; i+=2){
        int l=a[i], r=a[i + 1];
        dp[1][l][r] ++;
        dp[1][r][l] ++;
        d[l].pb(r);
        d[r].pb(l);
    }
    for(int i=2; i+1<=n; i+=2){
        int l=a[i], r=a[i + 1];
        dp[0][l][r] ++;
        dp[0][r][l] ++;
        d[l].pb(r);
        d[r].pb(l);
    }
    //ll dd = 0;
    //for(int i=1; i<=m; i++) dd += d[i].size();
    //if(dd > 2e6) return;
    //if(g.size() == 0 or g.size() > 1e6) return;
    //if(dp[0].size() + dp[1].size() > 2e6) return;
    for(int i=1; i<=m; i++){
        d[i].pb(i);
        sort(d[i].begin(), d[i].end(), cmp);
    }
    for(int i=1; i<=m; i++){
        int ans = n - cnt[i];
        int ls = 0;
        for(int j: d[i]){
            while(ls < g.size() and g[ls].ss == j) ls++;
            if(j == i) continue;
            for(int k=0; k<2; k++){ 
                ans = min(ans, n-cnt[i]-cnt[j]+dp[k][i][j]);
            }
        }
        if(ls < g.size()) ans = min(ans, n-cnt[i]-g[ls].ff);
        cout<<ans<<'\n';
    }
}


signed main(){
    ios_base::sync_with_stdio(NULL), cin.tie(NULL), cout.tie(NULL);
    solve();
}

Compilation message

rope.cpp: In function 'void solve()':
rope.cpp:60:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   60 |             while(ls < g.size() and g[ls].ss == j) ls++;
      |                   ~~~^~~~~~~~~~
rope.cpp:66:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   66 |         if(ls < g.size()) ans = min(ans, n-cnt[i]-g[ls].ff);
      |            ~~~^~~~~~~~~~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 118356 KB Output is correct
2 Correct 39 ms 118356 KB Output is correct
3 Correct 44 ms 118132 KB Output is correct
4 Correct 41 ms 118360 KB Output is correct
5 Correct 56 ms 118356 KB Output is correct
6 Correct 57 ms 118188 KB Output is correct
7 Correct 44 ms 118152 KB Output is correct
8 Correct 38 ms 118352 KB Output is correct
9 Correct 30 ms 118352 KB Output is correct
10 Correct 34 ms 118364 KB Output is correct
11 Correct 42 ms 118356 KB Output is correct
12 Correct 30 ms 118364 KB Output is correct
13 Correct 30 ms 118364 KB Output is correct
14 Correct 31 ms 118364 KB Output is correct
15 Correct 29 ms 118256 KB Output is correct
16 Correct 30 ms 118224 KB Output is correct
17 Correct 31 ms 118164 KB Output is correct
18 Correct 30 ms 118144 KB Output is correct
19 Correct 31 ms 118364 KB Output is correct
20 Correct 34 ms 118360 KB Output is correct
21 Correct 30 ms 118212 KB Output is correct
22 Correct 32 ms 118360 KB Output is correct
23 Correct 34 ms 118144 KB Output is correct
24 Correct 30 ms 118352 KB Output is correct
25 Correct 31 ms 118364 KB Output is correct
26 Correct 31 ms 118364 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 118356 KB Output is correct
2 Correct 39 ms 118356 KB Output is correct
3 Correct 44 ms 118132 KB Output is correct
4 Correct 41 ms 118360 KB Output is correct
5 Correct 56 ms 118356 KB Output is correct
6 Correct 57 ms 118188 KB Output is correct
7 Correct 44 ms 118152 KB Output is correct
8 Correct 38 ms 118352 KB Output is correct
9 Correct 30 ms 118352 KB Output is correct
10 Correct 34 ms 118364 KB Output is correct
11 Correct 42 ms 118356 KB Output is correct
12 Correct 30 ms 118364 KB Output is correct
13 Correct 30 ms 118364 KB Output is correct
14 Correct 31 ms 118364 KB Output is correct
15 Correct 29 ms 118256 KB Output is correct
16 Correct 30 ms 118224 KB Output is correct
17 Correct 31 ms 118164 KB Output is correct
18 Correct 30 ms 118144 KB Output is correct
19 Correct 31 ms 118364 KB Output is correct
20 Correct 34 ms 118360 KB Output is correct
21 Correct 30 ms 118212 KB Output is correct
22 Correct 32 ms 118360 KB Output is correct
23 Correct 34 ms 118144 KB Output is correct
24 Correct 30 ms 118352 KB Output is correct
25 Correct 31 ms 118364 KB Output is correct
26 Correct 31 ms 118364 KB Output is correct
27 Correct 48 ms 119896 KB Output is correct
28 Correct 50 ms 119880 KB Output is correct
29 Correct 51 ms 119640 KB Output is correct
30 Correct 49 ms 119748 KB Output is correct
31 Correct 50 ms 119896 KB Output is correct
32 Correct 49 ms 119568 KB Output is correct
33 Correct 50 ms 119636 KB Output is correct
34 Correct 49 ms 119880 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 118356 KB Output is correct
2 Correct 39 ms 118356 KB Output is correct
3 Correct 44 ms 118132 KB Output is correct
4 Correct 41 ms 118360 KB Output is correct
5 Correct 56 ms 118356 KB Output is correct
6 Correct 57 ms 118188 KB Output is correct
7 Correct 44 ms 118152 KB Output is correct
8 Correct 38 ms 118352 KB Output is correct
9 Correct 30 ms 118352 KB Output is correct
10 Correct 34 ms 118364 KB Output is correct
11 Correct 42 ms 118356 KB Output is correct
12 Correct 30 ms 118364 KB Output is correct
13 Correct 30 ms 118364 KB Output is correct
14 Correct 31 ms 118364 KB Output is correct
15 Correct 29 ms 118256 KB Output is correct
16 Correct 30 ms 118224 KB Output is correct
17 Correct 31 ms 118164 KB Output is correct
18 Correct 30 ms 118144 KB Output is correct
19 Correct 31 ms 118364 KB Output is correct
20 Correct 34 ms 118360 KB Output is correct
21 Correct 30 ms 118212 KB Output is correct
22 Correct 32 ms 118360 KB Output is correct
23 Correct 34 ms 118144 KB Output is correct
24 Correct 30 ms 118352 KB Output is correct
25 Correct 31 ms 118364 KB Output is correct
26 Correct 31 ms 118364 KB Output is correct
27 Correct 48 ms 119896 KB Output is correct
28 Correct 50 ms 119880 KB Output is correct
29 Correct 51 ms 119640 KB Output is correct
30 Correct 49 ms 119748 KB Output is correct
31 Correct 50 ms 119896 KB Output is correct
32 Correct 49 ms 119568 KB Output is correct
33 Correct 50 ms 119636 KB Output is correct
34 Correct 49 ms 119880 KB Output is correct
35 Correct 124 ms 132696 KB Output is correct
36 Correct 131 ms 132692 KB Output is correct
37 Correct 143 ms 132176 KB Output is correct
38 Correct 136 ms 132432 KB Output is correct
39 Correct 132 ms 132688 KB Output is correct
40 Correct 84 ms 126436 KB Output is correct
41 Correct 83 ms 126288 KB Output is correct
42 Correct 79 ms 124600 KB Output is correct
43 Correct 72 ms 123728 KB Output is correct
44 Correct 86 ms 126548 KB Output is correct
45 Correct 110 ms 126548 KB Output is correct
46 Correct 91 ms 124752 KB Output is correct
47 Correct 99 ms 123824 KB Output is correct

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 118356 KB Output is correct
2 Correct 39 ms 118356 KB Output is correct
3 Correct 44 ms 118132 KB Output is correct
4 Correct 41 ms 118360 KB Output is correct
5 Correct 56 ms 118356 KB Output is correct
6 Correct 57 ms 118188 KB Output is correct
7 Correct 44 ms 118152 KB Output is correct
8 Correct 38 ms 118352 KB Output is correct
9 Correct 30 ms 118352 KB Output is correct
10 Correct 34 ms 118364 KB Output is correct
11 Correct 42 ms 118356 KB Output is correct
12 Correct 30 ms 118364 KB Output is correct
13 Correct 30 ms 118364 KB Output is correct
14 Correct 31 ms 118364 KB Output is correct
15 Correct 29 ms 118256 KB Output is correct
16 Correct 30 ms 118224 KB Output is correct
17 Correct 31 ms 118164 KB Output is correct
18 Correct 30 ms 118144 KB Output is correct
19 Correct 31 ms 118364 KB Output is correct
20 Correct 34 ms 118360 KB Output is correct
21 Correct 30 ms 118212 KB Output is correct
22 Correct 32 ms 118360 KB Output is correct
23 Correct 34 ms 118144 KB Output is correct
24 Correct 30 ms 118352 KB Output is correct
25 Correct 31 ms 118364 KB Output is correct
26 Correct 31 ms 118364 KB Output is correct
27 Correct 48 ms 119896 KB Output is correct
28 Correct 50 ms 119880 KB Output is correct
29 Correct 51 ms 119640 KB Output is correct
30 Correct 49 ms 119748 KB Output is correct
31 Correct 50 ms 119896 KB Output is correct
32 Correct 49 ms 119568 KB Output is correct
33 Correct 50 ms 119636 KB Output is correct
34 Correct 49 ms 119880 KB Output is correct
35 Correct 124 ms 132696 KB Output is correct
36 Correct 131 ms 132692 KB Output is correct
37 Correct 143 ms 132176 KB Output is correct
38 Correct 136 ms 132432 KB Output is correct
39 Correct 132 ms 132688 KB Output is correct
40 Correct 84 ms 126436 KB Output is correct
41 Correct 83 ms 126288 KB Output is correct
42 Correct 79 ms 124600 KB Output is correct
43 Correct 72 ms 123728 KB Output is correct
44 Correct 86 ms 126548 KB Output is correct
45 Correct 110 ms 126548 KB Output is correct
46 Correct 91 ms 124752 KB Output is correct
47 Correct 99 ms 123824 KB Output is correct
48 Runtime error 1330 ms 262144 KB Execution killed with signal 9
49 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 118356 KB Output is correct
2 Correct 39 ms 118356 KB Output is correct
3 Correct 44 ms 118132 KB Output is correct
4 Correct 41 ms 118360 KB Output is correct
5 Correct 56 ms 118356 KB Output is correct
6 Correct 57 ms 118188 KB Output is correct
7 Correct 44 ms 118152 KB Output is correct
8 Correct 38 ms 118352 KB Output is correct
9 Correct 30 ms 118352 KB Output is correct
10 Correct 34 ms 118364 KB Output is correct
11 Correct 42 ms 118356 KB Output is correct
12 Correct 30 ms 118364 KB Output is correct
13 Correct 30 ms 118364 KB Output is correct
14 Correct 31 ms 118364 KB Output is correct
15 Correct 29 ms 118256 KB Output is correct
16 Correct 30 ms 118224 KB Output is correct
17 Correct 31 ms 118164 KB Output is correct
18 Correct 30 ms 118144 KB Output is correct
19 Correct 31 ms 118364 KB Output is correct
20 Correct 34 ms 118360 KB Output is correct
21 Correct 30 ms 118212 KB Output is correct
22 Correct 32 ms 118360 KB Output is correct
23 Correct 34 ms 118144 KB Output is correct
24 Correct 30 ms 118352 KB Output is correct
25 Correct 31 ms 118364 KB Output is correct
26 Correct 31 ms 118364 KB Output is correct
27 Correct 48 ms 119896 KB Output is correct
28 Correct 50 ms 119880 KB Output is correct
29 Correct 51 ms 119640 KB Output is correct
30 Correct 49 ms 119748 KB Output is correct
31 Correct 50 ms 119896 KB Output is correct
32 Correct 49 ms 119568 KB Output is correct
33 Correct 50 ms 119636 KB Output is correct
34 Correct 49 ms 119880 KB Output is correct
35 Correct 124 ms 132696 KB Output is correct
36 Correct 131 ms 132692 KB Output is correct
37 Correct 143 ms 132176 KB Output is correct
38 Correct 136 ms 132432 KB Output is correct
39 Correct 132 ms 132688 KB Output is correct
40 Correct 84 ms 126436 KB Output is correct
41 Correct 83 ms 126288 KB Output is correct
42 Correct 79 ms 124600 KB Output is correct
43 Correct 72 ms 123728 KB Output is correct
44 Correct 86 ms 126548 KB Output is correct
45 Correct 110 ms 126548 KB Output is correct
46 Correct 91 ms 124752 KB Output is correct
47 Correct 99 ms 123824 KB Output is correct
48 Runtime error 1330 ms 262144 KB Execution killed with signal 9
49 Halted 0 ms 0 KB -