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답안 #1001065

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1001065 2024-06-18T13:56:41 Z Otalp Rope (JOI17_rope) C++17
55 / 100
 1797 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

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 27224 KB Output is correct
2 Correct 4 ms 27224 KB Output is correct
3 Correct 4 ms 27224 KB Output is correct
4 Correct 5 ms 27228 KB Output is correct
5 Correct 4 ms 27228 KB Output is correct
6 Correct 4 ms 27228 KB Output is correct
7 Correct 4 ms 27260 KB Output is correct
8 Correct 5 ms 27224 KB Output is correct
9 Correct 4 ms 27228 KB Output is correct
10 Correct 7 ms 27484 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 6 ms 27228 KB Output is correct
15 Correct 4 ms 27228 KB Output is correct
16 Correct 4 ms 27228 KB Output is correct
17 Correct 5 ms 27228 KB Output is correct
18 Correct 4 ms 27308 KB Output is correct
19 Correct 4 ms 27228 KB Output is correct
20 Correct 4 ms 27224 KB Output is correct
21 Correct 4 ms 27276 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 27268 KB Output is correct
25 Correct 4 ms 27228 KB Output is correct
26 Correct 3 ms 27228 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 27224 KB Output is correct
2 Correct 4 ms 27224 KB Output is correct
3 Correct 4 ms 27224 KB Output is correct
4 Correct 5 ms 27228 KB Output is correct
5 Correct 4 ms 27228 KB Output is correct
6 Correct 4 ms 27228 KB Output is correct
7 Correct 4 ms 27260 KB Output is correct
8 Correct 5 ms 27224 KB Output is correct
9 Correct 4 ms 27228 KB Output is correct
10 Correct 7 ms 27484 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 6 ms 27228 KB Output is correct
15 Correct 4 ms 27228 KB Output is correct
16 Correct 4 ms 27228 KB Output is correct
17 Correct 5 ms 27228 KB Output is correct
18 Correct 4 ms 27308 KB Output is correct
19 Correct 4 ms 27228 KB Output is correct
20 Correct 4 ms 27224 KB Output is correct
21 Correct 4 ms 27276 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 27268 KB Output is correct
25 Correct 4 ms 27228 KB Output is correct
26 Correct 3 ms 27228 KB Output is correct
27 Correct 22 ms 28508 KB Output is correct
28 Correct 21 ms 28244 KB Output is correct
29 Correct 25 ms 28208 KB Output is correct
30 Correct 23 ms 28364 KB Output is correct
31 Correct 25 ms 28544 KB Output is correct
32 Correct 27 ms 28184 KB Output is correct
33 Correct 23 ms 28252 KB Output is correct
34 Correct 23 ms 28376 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 27224 KB Output is correct
2 Correct 4 ms 27224 KB Output is correct
3 Correct 4 ms 27224 KB Output is correct
4 Correct 5 ms 27228 KB Output is correct
5 Correct 4 ms 27228 KB Output is correct
6 Correct 4 ms 27228 KB Output is correct
7 Correct 4 ms 27260 KB Output is correct
8 Correct 5 ms 27224 KB Output is correct
9 Correct 4 ms 27228 KB Output is correct
10 Correct 7 ms 27484 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 6 ms 27228 KB Output is correct
15 Correct 4 ms 27228 KB Output is correct
16 Correct 4 ms 27228 KB Output is correct
17 Correct 5 ms 27228 KB Output is correct
18 Correct 4 ms 27308 KB Output is correct
19 Correct 4 ms 27228 KB Output is correct
20 Correct 4 ms 27224 KB Output is correct
21 Correct 4 ms 27276 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 27268 KB Output is correct
25 Correct 4 ms 27228 KB Output is correct
26 Correct 3 ms 27228 KB Output is correct
27 Correct 22 ms 28508 KB Output is correct
28 Correct 21 ms 28244 KB Output is correct
29 Correct 25 ms 28208 KB Output is correct
30 Correct 23 ms 28364 KB Output is correct
31 Correct 25 ms 28544 KB Output is correct
32 Correct 27 ms 28184 KB Output is correct
33 Correct 23 ms 28252 KB Output is correct
34 Correct 23 ms 28376 KB Output is correct
35 Correct 107 ms 45472 KB Output is correct
36 Correct 115 ms 45384 KB Output is correct
37 Correct 107 ms 44880 KB Output is correct
38 Correct 141 ms 45140 KB Output is correct
39 Correct 113 ms 45392 KB Output is correct
40 Correct 70 ms 37204 KB Output is correct
41 Correct 72 ms 37000 KB Output is correct
42 Correct 65 ms 34640 KB Output is correct
43 Correct 59 ms 33576 KB Output is correct
44 Correct 68 ms 37528 KB Output is correct
45 Correct 84 ms 37460 KB Output is correct
46 Correct 58 ms 34904 KB Output is correct
47 Correct 61 ms 33700 KB Output is correct

Subtask #4
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 27224 KB Output is correct
2 Correct 4 ms 27224 KB Output is correct
3 Correct 4 ms 27224 KB Output is correct
4 Correct 5 ms 27228 KB Output is correct
5 Correct 4 ms 27228 KB Output is correct
6 Correct 4 ms 27228 KB Output is correct
7 Correct 4 ms 27260 KB Output is correct
8 Correct 5 ms 27224 KB Output is correct
9 Correct 4 ms 27228 KB Output is correct
10 Correct 7 ms 27484 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 6 ms 27228 KB Output is correct
15 Correct 4 ms 27228 KB Output is correct
16 Correct 4 ms 27228 KB Output is correct
17 Correct 5 ms 27228 KB Output is correct
18 Correct 4 ms 27308 KB Output is correct
19 Correct 4 ms 27228 KB Output is correct
20 Correct 4 ms 27224 KB Output is correct
21 Correct 4 ms 27276 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 27268 KB Output is correct
25 Correct 4 ms 27228 KB Output is correct
26 Correct 3 ms 27228 KB Output is correct
27 Correct 22 ms 28508 KB Output is correct
28 Correct 21 ms 28244 KB Output is correct
29 Correct 25 ms 28208 KB Output is correct
30 Correct 23 ms 28364 KB Output is correct
31 Correct 25 ms 28544 KB Output is correct
32 Correct 27 ms 28184 KB Output is correct
33 Correct 23 ms 28252 KB Output is correct
34 Correct 23 ms 28376 KB Output is correct
35 Correct 107 ms 45472 KB Output is correct
36 Correct 115 ms 45384 KB Output is correct
37 Correct 107 ms 44880 KB Output is correct
38 Correct 141 ms 45140 KB Output is correct
39 Correct 113 ms 45392 KB Output is correct
40 Correct 70 ms 37204 KB Output is correct
41 Correct 72 ms 37000 KB Output is correct
42 Correct 65 ms 34640 KB Output is correct
43 Correct 59 ms 33576 KB Output is correct
44 Correct 68 ms 37528 KB Output is correct
45 Correct 84 ms 37460 KB Output is correct
46 Correct 58 ms 34904 KB Output is correct
47 Correct 61 ms 33700 KB Output is correct
48 Runtime error 1797 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 27224 KB Output is correct
2 Correct 4 ms 27224 KB Output is correct
3 Correct 4 ms 27224 KB Output is correct
4 Correct 5 ms 27228 KB Output is correct
5 Correct 4 ms 27228 KB Output is correct
6 Correct 4 ms 27228 KB Output is correct
7 Correct 4 ms 27260 KB Output is correct
8 Correct 5 ms 27224 KB Output is correct
9 Correct 4 ms 27228 KB Output is correct
10 Correct 7 ms 27484 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 6 ms 27228 KB Output is correct
15 Correct 4 ms 27228 KB Output is correct
16 Correct 4 ms 27228 KB Output is correct
17 Correct 5 ms 27228 KB Output is correct
18 Correct 4 ms 27308 KB Output is correct
19 Correct 4 ms 27228 KB Output is correct
20 Correct 4 ms 27224 KB Output is correct
21 Correct 4 ms 27276 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 27268 KB Output is correct
25 Correct 4 ms 27228 KB Output is correct
26 Correct 3 ms 27228 KB Output is correct
27 Correct 22 ms 28508 KB Output is correct
28 Correct 21 ms 28244 KB Output is correct
29 Correct 25 ms 28208 KB Output is correct
30 Correct 23 ms 28364 KB Output is correct
31 Correct 25 ms 28544 KB Output is correct
32 Correct 27 ms 28184 KB Output is correct
33 Correct 23 ms 28252 KB Output is correct
34 Correct 23 ms 28376 KB Output is correct
35 Correct 107 ms 45472 KB Output is correct
36 Correct 115 ms 45384 KB Output is correct
37 Correct 107 ms 44880 KB Output is correct
38 Correct 141 ms 45140 KB Output is correct
39 Correct 113 ms 45392 KB Output is correct
40 Correct 70 ms 37204 KB Output is correct
41 Correct 72 ms 37000 KB Output is correct
42 Correct 65 ms 34640 KB Output is correct
43 Correct 59 ms 33576 KB Output is correct
44 Correct 68 ms 37528 KB Output is correct
45 Correct 84 ms 37460 KB Output is correct
46 Correct 58 ms 34904 KB Output is correct
47 Correct 61 ms 33700 KB Output is correct
48 Runtime error 1797 ms 262144 KB Execution killed with signal 9
49 Halted 0 ms 0 KB -