oj.uz

Submission #1001067

# Submission time Handle Problem Language Result Execution time Memory
1001067 2024-06-18T13:57:45 Z Otalp Rope (JOI17_rope) C++17
55 / 100
 1989 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<ll, int> dp[2];
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];
}

ll h(ll a, ll b){
    return a * 1e7 + 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][h(l, r)] ++;
        dp[1][h(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][h(l, r)] ++;
        dp[0][h(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][h(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:64:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   64 |             while(ls < g.size() and g[ls].ss == j) ls++;
      |                   ~~~^~~~~~~~~~
rope.cpp:70:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   70 |         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 4 ms 27224 KB Output is correct
2 Correct 4 ms 27228 KB Output is correct
3 Correct 4 ms 27260 KB Output is correct
4 Correct 4 ms 27224 KB Output is correct
5 Correct 4 ms 27228 KB Output is correct
6 Correct 4 ms 27224 KB Output is correct
7 Correct 7 ms 27480 KB Output is correct
8 Correct 4 ms 27228 KB Output is correct
9 Correct 4 ms 27228 KB Output is correct
10 Correct 5 ms 27228 KB Output is correct
11 Correct 4 ms 27228 KB Output is correct
12 Correct 4 ms 27228 KB Output is correct
13 Correct 5 ms 27228 KB Output is correct
14 Correct 4 ms 27228 KB Output is correct
15 Correct 4 ms 27224 KB Output is correct
16 Correct 4 ms 27228 KB Output is correct
17 Correct 4 ms 27228 KB Output is correct
18 Correct 6 ms 27228 KB Output is correct
19 Correct 6 ms 27228 KB Output is correct
20 Correct 5 ms 27228 KB Output is correct
21 Correct 6 ms 27228 KB Output is correct
22 Correct 4 ms 27228 KB Output is correct
23 Correct 5 ms 27228 KB Output is correct
24 Correct 4 ms 27228 KB Output is correct
25 Correct 4 ms 27224 KB Output is correct
26 Correct 5 ms 27236 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 27224 KB Output is correct
2 Correct 4 ms 27228 KB Output is correct
3 Correct 4 ms 27260 KB Output is correct
4 Correct 4 ms 27224 KB Output is correct
5 Correct 4 ms 27228 KB Output is correct
6 Correct 4 ms 27224 KB Output is correct
7 Correct 7 ms 27480 KB Output is correct
8 Correct 4 ms 27228 KB Output is correct
9 Correct 4 ms 27228 KB Output is correct
10 Correct 5 ms 27228 KB Output is correct
11 Correct 4 ms 27228 KB Output is correct
12 Correct 4 ms 27228 KB Output is correct
13 Correct 5 ms 27228 KB Output is correct
14 Correct 4 ms 27228 KB Output is correct
15 Correct 4 ms 27224 KB Output is correct
16 Correct 4 ms 27228 KB Output is correct
17 Correct 4 ms 27228 KB Output is correct
18 Correct 6 ms 27228 KB Output is correct
19 Correct 6 ms 27228 KB Output is correct
20 Correct 5 ms 27228 KB Output is correct
21 Correct 6 ms 27228 KB Output is correct
22 Correct 4 ms 27228 KB Output is correct
23 Correct 5 ms 27228 KB Output is correct
24 Correct 4 ms 27228 KB Output is correct
25 Correct 4 ms 27224 KB Output is correct
26 Correct 5 ms 27236 KB Output is correct
27 Correct 30 ms 28592 KB Output is correct
28 Correct 23 ms 28272 KB Output is correct
29 Correct 25 ms 28428 KB Output is correct
30 Correct 23 ms 28364 KB Output is correct
31 Correct 26 ms 28508 KB Output is correct
32 Correct 22 ms 28184 KB Output is correct
33 Correct 26 ms 28252 KB Output is correct
34 Correct 25 ms 28376 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 27224 KB Output is correct
2 Correct 4 ms 27228 KB Output is correct
3 Correct 4 ms 27260 KB Output is correct
4 Correct 4 ms 27224 KB Output is correct
5 Correct 4 ms 27228 KB Output is correct
6 Correct 4 ms 27224 KB Output is correct
7 Correct 7 ms 27480 KB Output is correct
8 Correct 4 ms 27228 KB Output is correct
9 Correct 4 ms 27228 KB Output is correct
10 Correct 5 ms 27228 KB Output is correct
11 Correct 4 ms 27228 KB Output is correct
12 Correct 4 ms 27228 KB Output is correct
13 Correct 5 ms 27228 KB Output is correct
14 Correct 4 ms 27228 KB Output is correct
15 Correct 4 ms 27224 KB Output is correct
16 Correct 4 ms 27228 KB Output is correct
17 Correct 4 ms 27228 KB Output is correct
18 Correct 6 ms 27228 KB Output is correct
19 Correct 6 ms 27228 KB Output is correct
20 Correct 5 ms 27228 KB Output is correct
21 Correct 6 ms 27228 KB Output is correct
22 Correct 4 ms 27228 KB Output is correct
23 Correct 5 ms 27228 KB Output is correct
24 Correct 4 ms 27228 KB Output is correct
25 Correct 4 ms 27224 KB Output is correct
26 Correct 5 ms 27236 KB Output is correct
27 Correct 30 ms 28592 KB Output is correct
28 Correct 23 ms 28272 KB Output is correct
29 Correct 25 ms 28428 KB Output is correct
30 Correct 23 ms 28364 KB Output is correct
31 Correct 26 ms 28508 KB Output is correct
32 Correct 22 ms 28184 KB Output is correct
33 Correct 26 ms 28252 KB Output is correct
34 Correct 25 ms 28376 KB Output is correct
35 Correct 128 ms 45392 KB Output is correct
36 Correct 124 ms 45392 KB Output is correct
37 Correct 124 ms 44936 KB Output is correct
38 Correct 126 ms 45188 KB Output is correct
39 Correct 126 ms 45440 KB Output is correct
40 Correct 72 ms 37204 KB Output is correct
41 Correct 72 ms 36948 KB Output is correct
42 Correct 74 ms 34644 KB Output is correct
43 Correct 72 ms 33656 KB Output is correct
44 Correct 76 ms 37460 KB Output is correct
45 Correct 72 ms 37200 KB Output is correct
46 Correct 61 ms 34896 KB Output is correct
47 Correct 61 ms 33764 KB Output is correct

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 27224 KB Output is correct
2 Correct 4 ms 27228 KB Output is correct
3 Correct 4 ms 27260 KB Output is correct
4 Correct 4 ms 27224 KB Output is correct
5 Correct 4 ms 27228 KB Output is correct
6 Correct 4 ms 27224 KB Output is correct
7 Correct 7 ms 27480 KB Output is correct
8 Correct 4 ms 27228 KB Output is correct
9 Correct 4 ms 27228 KB Output is correct
10 Correct 5 ms 27228 KB Output is correct
11 Correct 4 ms 27228 KB Output is correct
12 Correct 4 ms 27228 KB Output is correct
13 Correct 5 ms 27228 KB Output is correct
14 Correct 4 ms 27228 KB Output is correct
15 Correct 4 ms 27224 KB Output is correct
16 Correct 4 ms 27228 KB Output is correct
17 Correct 4 ms 27228 KB Output is correct
18 Correct 6 ms 27228 KB Output is correct
19 Correct 6 ms 27228 KB Output is correct
20 Correct 5 ms 27228 KB Output is correct
21 Correct 6 ms 27228 KB Output is correct
22 Correct 4 ms 27228 KB Output is correct
23 Correct 5 ms 27228 KB Output is correct
24 Correct 4 ms 27228 KB Output is correct
25 Correct 4 ms 27224 KB Output is correct
26 Correct 5 ms 27236 KB Output is correct
27 Correct 30 ms 28592 KB Output is correct
28 Correct 23 ms 28272 KB Output is correct
29 Correct 25 ms 28428 KB Output is correct
30 Correct 23 ms 28364 KB Output is correct
31 Correct 26 ms 28508 KB Output is correct
32 Correct 22 ms 28184 KB Output is correct
33 Correct 26 ms 28252 KB Output is correct
34 Correct 25 ms 28376 KB Output is correct
35 Correct 128 ms 45392 KB Output is correct
36 Correct 124 ms 45392 KB Output is correct
37 Correct 124 ms 44936 KB Output is correct
38 Correct 126 ms 45188 KB Output is correct
39 Correct 126 ms 45440 KB Output is correct
40 Correct 72 ms 37204 KB Output is correct
41 Correct 72 ms 36948 KB Output is correct
42 Correct 74 ms 34644 KB Output is correct
43 Correct 72 ms 33656 KB Output is correct
44 Correct 76 ms 37460 KB Output is correct
45 Correct 72 ms 37200 KB Output is correct
46 Correct 61 ms 34896 KB Output is correct
47 Correct 61 ms 33764 KB Output is correct
48 Runtime error 1989 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 4 ms 27224 KB Output is correct
2 Correct 4 ms 27228 KB Output is correct
3 Correct 4 ms 27260 KB Output is correct
4 Correct 4 ms 27224 KB Output is correct
5 Correct 4 ms 27228 KB Output is correct
6 Correct 4 ms 27224 KB Output is correct
7 Correct 7 ms 27480 KB Output is correct
8 Correct 4 ms 27228 KB Output is correct
9 Correct 4 ms 27228 KB Output is correct
10 Correct 5 ms 27228 KB Output is correct
11 Correct 4 ms 27228 KB Output is correct
12 Correct 4 ms 27228 KB Output is correct
13 Correct 5 ms 27228 KB Output is correct
14 Correct 4 ms 27228 KB Output is correct
15 Correct 4 ms 27224 KB Output is correct
16 Correct 4 ms 27228 KB Output is correct
17 Correct 4 ms 27228 KB Output is correct
18 Correct 6 ms 27228 KB Output is correct
19 Correct 6 ms 27228 KB Output is correct
20 Correct 5 ms 27228 KB Output is correct
21 Correct 6 ms 27228 KB Output is correct
22 Correct 4 ms 27228 KB Output is correct
23 Correct 5 ms 27228 KB Output is correct
24 Correct 4 ms 27228 KB Output is correct
25 Correct 4 ms 27224 KB Output is correct
26 Correct 5 ms 27236 KB Output is correct
27 Correct 30 ms 28592 KB Output is correct
28 Correct 23 ms 28272 KB Output is correct
29 Correct 25 ms 28428 KB Output is correct
30 Correct 23 ms 28364 KB Output is correct
31 Correct 26 ms 28508 KB Output is correct
32 Correct 22 ms 28184 KB Output is correct
33 Correct 26 ms 28252 KB Output is correct
34 Correct 25 ms 28376 KB Output is correct
35 Correct 128 ms 45392 KB Output is correct
36 Correct 124 ms 45392 KB Output is correct
37 Correct 124 ms 44936 KB Output is correct
38 Correct 126 ms 45188 KB Output is correct
39 Correct 126 ms 45440 KB Output is correct
40 Correct 72 ms 37204 KB Output is correct
41 Correct 72 ms 36948 KB Output is correct
42 Correct 74 ms 34644 KB Output is correct
43 Correct 72 ms 33656 KB Output is correct
44 Correct 76 ms 37460 KB Output is correct
45 Correct 72 ms 37200 KB Output is correct
46 Correct 61 ms 34896 KB Output is correct
47 Correct 61 ms 33764 KB Output is correct
48 Runtime error 1989 ms 262144 KB Execution killed with signal 9
49 Halted 0 ms 0 KB -