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답안 #1001081

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1001081 2024-06-18T14:16:05 Z Otalp Rope (JOI17_rope) C++17
80 / 100
 2500 ms 248892 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
#define h(a, b) (ll)a * 1e7 + b
 
unordered_map<ll, int> dp[2];
int cnt[1000001];
int a[1000001];
vector<int> d[1000001];
 

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){ //hynya
//    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:65:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   65 |             while(ls < g.size() and g[ls].ss == j) ls++;
      |                   ~~~^~~~~~~~~~
rope.cpp:71:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   71 |         if(ls < g.size()) ans = min(ans, n-cnt[i]-g[ls].ff);
      |            ~~~^~~~~~~~~~

Subtask #1
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 23896 KB Output is correct
2 Correct 14 ms 23896 KB Output is correct
3 Correct 12 ms 23896 KB Output is correct
4 Correct 10 ms 23900 KB Output is correct
5 Correct 10 ms 23728 KB Output is correct
6 Correct 11 ms 23896 KB Output is correct
7 Correct 11 ms 23948 KB Output is correct
8 Correct 10 ms 23896 KB Output is correct
9 Correct 10 ms 23960 KB Output is correct
10 Correct 11 ms 23900 KB Output is correct
11 Correct 10 ms 23948 KB Output is correct
12 Correct 11 ms 23900 KB Output is correct
13 Correct 12 ms 23736 KB Output is correct
14 Correct 13 ms 23732 KB Output is correct
15 Correct 12 ms 24156 KB Output is correct
16 Correct 15 ms 23900 KB Output is correct
17 Correct 10 ms 23868 KB Output is correct
18 Correct 10 ms 23900 KB Output is correct
19 Correct 10 ms 23932 KB Output is correct
20 Correct 10 ms 23896 KB Output is correct
21 Correct 11 ms 23900 KB Output is correct
22 Correct 10 ms 23900 KB Output is correct
23 Correct 11 ms 23896 KB Output is correct
24 Correct 10 ms 23896 KB Output is correct
25 Correct 10 ms 23924 KB Output is correct
26 Correct 10 ms 23900 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 23896 KB Output is correct
2 Correct 14 ms 23896 KB Output is correct
3 Correct 12 ms 23896 KB Output is correct
4 Correct 10 ms 23900 KB Output is correct
5 Correct 10 ms 23728 KB Output is correct
6 Correct 11 ms 23896 KB Output is correct
7 Correct 11 ms 23948 KB Output is correct
8 Correct 10 ms 23896 KB Output is correct
9 Correct 10 ms 23960 KB Output is correct
10 Correct 11 ms 23900 KB Output is correct
11 Correct 10 ms 23948 KB Output is correct
12 Correct 11 ms 23900 KB Output is correct
13 Correct 12 ms 23736 KB Output is correct
14 Correct 13 ms 23732 KB Output is correct
15 Correct 12 ms 24156 KB Output is correct
16 Correct 15 ms 23900 KB Output is correct
17 Correct 10 ms 23868 KB Output is correct
18 Correct 10 ms 23900 KB Output is correct
19 Correct 10 ms 23932 KB Output is correct
20 Correct 10 ms 23896 KB Output is correct
21 Correct 11 ms 23900 KB Output is correct
22 Correct 10 ms 23900 KB Output is correct
23 Correct 11 ms 23896 KB Output is correct
24 Correct 10 ms 23896 KB Output is correct
25 Correct 10 ms 23924 KB Output is correct
26 Correct 10 ms 23900 KB Output is correct
27 Correct 29 ms 25688 KB Output is correct
28 Correct 25 ms 25680 KB Output is correct
29 Correct 27 ms 25436 KB Output is correct
30 Correct 27 ms 25528 KB Output is correct
31 Correct 28 ms 25764 KB Output is correct
32 Correct 26 ms 25408 KB Output is correct
33 Correct 27 ms 25436 KB Output is correct
34 Correct 32 ms 25632 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 23896 KB Output is correct
2 Correct 14 ms 23896 KB Output is correct
3 Correct 12 ms 23896 KB Output is correct
4 Correct 10 ms 23900 KB Output is correct
5 Correct 10 ms 23728 KB Output is correct
6 Correct 11 ms 23896 KB Output is correct
7 Correct 11 ms 23948 KB Output is correct
8 Correct 10 ms 23896 KB Output is correct
9 Correct 10 ms 23960 KB Output is correct
10 Correct 11 ms 23900 KB Output is correct
11 Correct 10 ms 23948 KB Output is correct
12 Correct 11 ms 23900 KB Output is correct
13 Correct 12 ms 23736 KB Output is correct
14 Correct 13 ms 23732 KB Output is correct
15 Correct 12 ms 24156 KB Output is correct
16 Correct 15 ms 23900 KB Output is correct
17 Correct 10 ms 23868 KB Output is correct
18 Correct 10 ms 23900 KB Output is correct
19 Correct 10 ms 23932 KB Output is correct
20 Correct 10 ms 23896 KB Output is correct
21 Correct 11 ms 23900 KB Output is correct
22 Correct 10 ms 23900 KB Output is correct
23 Correct 11 ms 23896 KB Output is correct
24 Correct 10 ms 23896 KB Output is correct
25 Correct 10 ms 23924 KB Output is correct
26 Correct 10 ms 23900 KB Output is correct
27 Correct 29 ms 25688 KB Output is correct
28 Correct 25 ms 25680 KB Output is correct
29 Correct 27 ms 25436 KB Output is correct
30 Correct 27 ms 25528 KB Output is correct
31 Correct 28 ms 25764 KB Output is correct
32 Correct 26 ms 25408 KB Output is correct
33 Correct 27 ms 25436 KB Output is correct
34 Correct 32 ms 25632 KB Output is correct
35 Correct 65 ms 36908 KB Output is correct
36 Correct 63 ms 36904 KB Output is correct
37 Correct 65 ms 36800 KB Output is correct
38 Correct 64 ms 36904 KB Output is correct
39 Correct 67 ms 36940 KB Output is correct
40 Correct 54 ms 31520 KB Output is correct
41 Correct 47 ms 31588 KB Output is correct
42 Correct 44 ms 30236 KB Output is correct
43 Correct 39 ms 29104 KB Output is correct
44 Correct 47 ms 31588 KB Output is correct
45 Correct 51 ms 31588 KB Output is correct
46 Correct 47 ms 30460 KB Output is correct
47 Correct 50 ms 29100 KB Output is correct

Subtask #4
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 23896 KB Output is correct
2 Correct 14 ms 23896 KB Output is correct
3 Correct 12 ms 23896 KB Output is correct
4 Correct 10 ms 23900 KB Output is correct
5 Correct 10 ms 23728 KB Output is correct
6 Correct 11 ms 23896 KB Output is correct
7 Correct 11 ms 23948 KB Output is correct
8 Correct 10 ms 23896 KB Output is correct
9 Correct 10 ms 23960 KB Output is correct
10 Correct 11 ms 23900 KB Output is correct
11 Correct 10 ms 23948 KB Output is correct
12 Correct 11 ms 23900 KB Output is correct
13 Correct 12 ms 23736 KB Output is correct
14 Correct 13 ms 23732 KB Output is correct
15 Correct 12 ms 24156 KB Output is correct
16 Correct 15 ms 23900 KB Output is correct
17 Correct 10 ms 23868 KB Output is correct
18 Correct 10 ms 23900 KB Output is correct
19 Correct 10 ms 23932 KB Output is correct
20 Correct 10 ms 23896 KB Output is correct
21 Correct 11 ms 23900 KB Output is correct
22 Correct 10 ms 23900 KB Output is correct
23 Correct 11 ms 23896 KB Output is correct
24 Correct 10 ms 23896 KB Output is correct
25 Correct 10 ms 23924 KB Output is correct
26 Correct 10 ms 23900 KB Output is correct
27 Correct 29 ms 25688 KB Output is correct
28 Correct 25 ms 25680 KB Output is correct
29 Correct 27 ms 25436 KB Output is correct
30 Correct 27 ms 25528 KB Output is correct
31 Correct 28 ms 25764 KB Output is correct
32 Correct 26 ms 25408 KB Output is correct
33 Correct 27 ms 25436 KB Output is correct
34 Correct 32 ms 25632 KB Output is correct
35 Correct 65 ms 36908 KB Output is correct
36 Correct 63 ms 36904 KB Output is correct
37 Correct 65 ms 36800 KB Output is correct
38 Correct 64 ms 36904 KB Output is correct
39 Correct 67 ms 36940 KB Output is correct
40 Correct 54 ms 31520 KB Output is correct
41 Correct 47 ms 31588 KB Output is correct
42 Correct 44 ms 30236 KB Output is correct
43 Correct 39 ms 29104 KB Output is correct
44 Correct 47 ms 31588 KB Output is correct
45 Correct 51 ms 31588 KB Output is correct
46 Correct 47 ms 30460 KB Output is correct
47 Correct 50 ms 29100 KB Output is correct
48 Correct 1707 ms 202800 KB Output is correct
49 Correct 1611 ms 202604 KB Output is correct
50 Correct 1717 ms 202204 KB Output is correct
51 Correct 1018 ms 149232 KB Output is correct
52 Correct 776 ms 117032 KB Output is correct
53 Correct 777 ms 117580 KB Output is correct
54 Correct 537 ms 85152 KB Output is correct
55 Correct 504 ms 83392 KB Output is correct
56 Correct 462 ms 76044 KB Output is correct

Subtask #5
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 23896 KB Output is correct
2 Correct 14 ms 23896 KB Output is correct
3 Correct 12 ms 23896 KB Output is correct
4 Correct 10 ms 23900 KB Output is correct
5 Correct 10 ms 23728 KB Output is correct
6 Correct 11 ms 23896 KB Output is correct
7 Correct 11 ms 23948 KB Output is correct
8 Correct 10 ms 23896 KB Output is correct
9 Correct 10 ms 23960 KB Output is correct
10 Correct 11 ms 23900 KB Output is correct
11 Correct 10 ms 23948 KB Output is correct
12 Correct 11 ms 23900 KB Output is correct
13 Correct 12 ms 23736 KB Output is correct
14 Correct 13 ms 23732 KB Output is correct
15 Correct 12 ms 24156 KB Output is correct
16 Correct 15 ms 23900 KB Output is correct
17 Correct 10 ms 23868 KB Output is correct
18 Correct 10 ms 23900 KB Output is correct
19 Correct 10 ms 23932 KB Output is correct
20 Correct 10 ms 23896 KB Output is correct
21 Correct 11 ms 23900 KB Output is correct
22 Correct 10 ms 23900 KB Output is correct
23 Correct 11 ms 23896 KB Output is correct
24 Correct 10 ms 23896 KB Output is correct
25 Correct 10 ms 23924 KB Output is correct
26 Correct 10 ms 23900 KB Output is correct
27 Correct 29 ms 25688 KB Output is correct
28 Correct 25 ms 25680 KB Output is correct
29 Correct 27 ms 25436 KB Output is correct
30 Correct 27 ms 25528 KB Output is correct
31 Correct 28 ms 25764 KB Output is correct
32 Correct 26 ms 25408 KB Output is correct
33 Correct 27 ms 25436 KB Output is correct
34 Correct 32 ms 25632 KB Output is correct
35 Correct 65 ms 36908 KB Output is correct
36 Correct 63 ms 36904 KB Output is correct
37 Correct 65 ms 36800 KB Output is correct
38 Correct 64 ms 36904 KB Output is correct
39 Correct 67 ms 36940 KB Output is correct
40 Correct 54 ms 31520 KB Output is correct
41 Correct 47 ms 31588 KB Output is correct
42 Correct 44 ms 30236 KB Output is correct
43 Correct 39 ms 29104 KB Output is correct
44 Correct 47 ms 31588 KB Output is correct
45 Correct 51 ms 31588 KB Output is correct
46 Correct 47 ms 30460 KB Output is correct
47 Correct 50 ms 29100 KB Output is correct
48 Correct 1707 ms 202800 KB Output is correct
49 Correct 1611 ms 202604 KB Output is correct
50 Correct 1717 ms 202204 KB Output is correct
51 Correct 1018 ms 149232 KB Output is correct
52 Correct 776 ms 117032 KB Output is correct
53 Correct 777 ms 117580 KB Output is correct
54 Correct 537 ms 85152 KB Output is correct
55 Correct 504 ms 83392 KB Output is correct
56 Correct 462 ms 76044 KB Output is correct
57 Execution timed out 2542 ms 248892 KB Time limit exceeded
58 Halted 0 ms 0 KB -