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답안 #1001072

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1001072 2024-06-18T14:08:36 Z Otalp Rope (JOI17_rope) C++14
55 / 100
 1895 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[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: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

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 27228 KB Output is correct
2 Correct 4 ms 27228 KB Output is correct
3 Correct 6 ms 27228 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 27252 KB Output is correct
7 Correct 4 ms 27224 KB Output is correct
8 Correct 7 ms 27228 KB Output is correct
9 Correct 5 ms 27228 KB Output is correct
10 Correct 6 ms 27228 KB Output is correct
11 Correct 5 ms 27228 KB Output is correct
12 Correct 5 ms 27228 KB Output is correct
13 Correct 4 ms 27224 KB Output is correct
14 Correct 5 ms 27228 KB Output is correct
15 Correct 4 ms 27228 KB Output is correct
16 Correct 5 ms 27240 KB Output is correct
17 Correct 5 ms 27480 KB Output is correct
18 Correct 4 ms 27228 KB Output is correct
19 Correct 4 ms 27228 KB Output is correct
20 Correct 5 ms 27264 KB Output is correct
21 Correct 4 ms 27228 KB Output is correct
22 Correct 4 ms 27228 KB Output is correct
23 Correct 4 ms 27228 KB Output is correct
24 Correct 4 ms 27228 KB Output is correct
25 Correct 5 ms 27228 KB Output is correct
26 Correct 4 ms 27228 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 27228 KB Output is correct
2 Correct 4 ms 27228 KB Output is correct
3 Correct 6 ms 27228 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 27252 KB Output is correct
7 Correct 4 ms 27224 KB Output is correct
8 Correct 7 ms 27228 KB Output is correct
9 Correct 5 ms 27228 KB Output is correct
10 Correct 6 ms 27228 KB Output is correct
11 Correct 5 ms 27228 KB Output is correct
12 Correct 5 ms 27228 KB Output is correct
13 Correct 4 ms 27224 KB Output is correct
14 Correct 5 ms 27228 KB Output is correct
15 Correct 4 ms 27228 KB Output is correct
16 Correct 5 ms 27240 KB Output is correct
17 Correct 5 ms 27480 KB Output is correct
18 Correct 4 ms 27228 KB Output is correct
19 Correct 4 ms 27228 KB Output is correct
20 Correct 5 ms 27264 KB Output is correct
21 Correct 4 ms 27228 KB Output is correct
22 Correct 4 ms 27228 KB Output is correct
23 Correct 4 ms 27228 KB Output is correct
24 Correct 4 ms 27228 KB Output is correct
25 Correct 5 ms 27228 KB Output is correct
26 Correct 4 ms 27228 KB Output is correct
27 Correct 26 ms 28504 KB Output is correct
28 Correct 23 ms 28244 KB Output is correct
29 Correct 25 ms 28248 KB Output is correct
30 Correct 22 ms 28364 KB Output is correct
31 Correct 26 ms 28504 KB Output is correct
32 Correct 21 ms 28180 KB Output is correct
33 Correct 24 ms 28248 KB Output is correct
34 Correct 22 ms 28372 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 27228 KB Output is correct
2 Correct 4 ms 27228 KB Output is correct
3 Correct 6 ms 27228 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 27252 KB Output is correct
7 Correct 4 ms 27224 KB Output is correct
8 Correct 7 ms 27228 KB Output is correct
9 Correct 5 ms 27228 KB Output is correct
10 Correct 6 ms 27228 KB Output is correct
11 Correct 5 ms 27228 KB Output is correct
12 Correct 5 ms 27228 KB Output is correct
13 Correct 4 ms 27224 KB Output is correct
14 Correct 5 ms 27228 KB Output is correct
15 Correct 4 ms 27228 KB Output is correct
16 Correct 5 ms 27240 KB Output is correct
17 Correct 5 ms 27480 KB Output is correct
18 Correct 4 ms 27228 KB Output is correct
19 Correct 4 ms 27228 KB Output is correct
20 Correct 5 ms 27264 KB Output is correct
21 Correct 4 ms 27228 KB Output is correct
22 Correct 4 ms 27228 KB Output is correct
23 Correct 4 ms 27228 KB Output is correct
24 Correct 4 ms 27228 KB Output is correct
25 Correct 5 ms 27228 KB Output is correct
26 Correct 4 ms 27228 KB Output is correct
27 Correct 26 ms 28504 KB Output is correct
28 Correct 23 ms 28244 KB Output is correct
29 Correct 25 ms 28248 KB Output is correct
30 Correct 22 ms 28364 KB Output is correct
31 Correct 26 ms 28504 KB Output is correct
32 Correct 21 ms 28180 KB Output is correct
33 Correct 24 ms 28248 KB Output is correct
34 Correct 22 ms 28372 KB Output is correct
35 Correct 125 ms 45496 KB Output is correct
36 Correct 126 ms 45392 KB Output is correct
37 Correct 130 ms 45036 KB Output is correct
38 Correct 121 ms 45136 KB Output is correct
39 Correct 127 ms 45396 KB Output is correct
40 Correct 71 ms 37204 KB Output is correct
41 Correct 72 ms 37088 KB Output is correct
42 Correct 61 ms 34464 KB Output is correct
43 Correct 61 ms 33616 KB Output is correct
44 Correct 75 ms 37456 KB Output is correct
45 Correct 75 ms 37204 KB Output is correct
46 Correct 66 ms 34900 KB Output is correct
47 Correct 62 ms 33828 KB Output is correct

Subtask #4
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 27228 KB Output is correct
2 Correct 4 ms 27228 KB Output is correct
3 Correct 6 ms 27228 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 27252 KB Output is correct
7 Correct 4 ms 27224 KB Output is correct
8 Correct 7 ms 27228 KB Output is correct
9 Correct 5 ms 27228 KB Output is correct
10 Correct 6 ms 27228 KB Output is correct
11 Correct 5 ms 27228 KB Output is correct
12 Correct 5 ms 27228 KB Output is correct
13 Correct 4 ms 27224 KB Output is correct
14 Correct 5 ms 27228 KB Output is correct
15 Correct 4 ms 27228 KB Output is correct
16 Correct 5 ms 27240 KB Output is correct
17 Correct 5 ms 27480 KB Output is correct
18 Correct 4 ms 27228 KB Output is correct
19 Correct 4 ms 27228 KB Output is correct
20 Correct 5 ms 27264 KB Output is correct
21 Correct 4 ms 27228 KB Output is correct
22 Correct 4 ms 27228 KB Output is correct
23 Correct 4 ms 27228 KB Output is correct
24 Correct 4 ms 27228 KB Output is correct
25 Correct 5 ms 27228 KB Output is correct
26 Correct 4 ms 27228 KB Output is correct
27 Correct 26 ms 28504 KB Output is correct
28 Correct 23 ms 28244 KB Output is correct
29 Correct 25 ms 28248 KB Output is correct
30 Correct 22 ms 28364 KB Output is correct
31 Correct 26 ms 28504 KB Output is correct
32 Correct 21 ms 28180 KB Output is correct
33 Correct 24 ms 28248 KB Output is correct
34 Correct 22 ms 28372 KB Output is correct
35 Correct 125 ms 45496 KB Output is correct
36 Correct 126 ms 45392 KB Output is correct
37 Correct 130 ms 45036 KB Output is correct
38 Correct 121 ms 45136 KB Output is correct
39 Correct 127 ms 45396 KB Output is correct
40 Correct 71 ms 37204 KB Output is correct
41 Correct 72 ms 37088 KB Output is correct
42 Correct 61 ms 34464 KB Output is correct
43 Correct 61 ms 33616 KB Output is correct
44 Correct 75 ms 37456 KB Output is correct
45 Correct 75 ms 37204 KB Output is correct
46 Correct 66 ms 34900 KB Output is correct
47 Correct 62 ms 33828 KB Output is correct
48 Runtime error 1895 ms 262144 KB Execution killed with signal 9
49 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 27228 KB Output is correct
2 Correct 4 ms 27228 KB Output is correct
3 Correct 6 ms 27228 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 27252 KB Output is correct
7 Correct 4 ms 27224 KB Output is correct
8 Correct 7 ms 27228 KB Output is correct
9 Correct 5 ms 27228 KB Output is correct
10 Correct 6 ms 27228 KB Output is correct
11 Correct 5 ms 27228 KB Output is correct
12 Correct 5 ms 27228 KB Output is correct
13 Correct 4 ms 27224 KB Output is correct
14 Correct 5 ms 27228 KB Output is correct
15 Correct 4 ms 27228 KB Output is correct
16 Correct 5 ms 27240 KB Output is correct
17 Correct 5 ms 27480 KB Output is correct
18 Correct 4 ms 27228 KB Output is correct
19 Correct 4 ms 27228 KB Output is correct
20 Correct 5 ms 27264 KB Output is correct
21 Correct 4 ms 27228 KB Output is correct
22 Correct 4 ms 27228 KB Output is correct
23 Correct 4 ms 27228 KB Output is correct
24 Correct 4 ms 27228 KB Output is correct
25 Correct 5 ms 27228 KB Output is correct
26 Correct 4 ms 27228 KB Output is correct
27 Correct 26 ms 28504 KB Output is correct
28 Correct 23 ms 28244 KB Output is correct
29 Correct 25 ms 28248 KB Output is correct
30 Correct 22 ms 28364 KB Output is correct
31 Correct 26 ms 28504 KB Output is correct
32 Correct 21 ms 28180 KB Output is correct
33 Correct 24 ms 28248 KB Output is correct
34 Correct 22 ms 28372 KB Output is correct
35 Correct 125 ms 45496 KB Output is correct
36 Correct 126 ms 45392 KB Output is correct
37 Correct 130 ms 45036 KB Output is correct
38 Correct 121 ms 45136 KB Output is correct
39 Correct 127 ms 45396 KB Output is correct
40 Correct 71 ms 37204 KB Output is correct
41 Correct 72 ms 37088 KB Output is correct
42 Correct 61 ms 34464 KB Output is correct
43 Correct 61 ms 33616 KB Output is correct
44 Correct 75 ms 37456 KB Output is correct
45 Correct 75 ms 37204 KB Output is correct
46 Correct 66 ms 34900 KB Output is correct
47 Correct 62 ms 33828 KB Output is correct
48 Runtime error 1895 ms 262144 KB Execution killed with signal 9
49 Halted 0 ms 0 KB -