oj.uz

Submission #858889

# Submission time Handle Problem Language Result Execution time Memory
858889 2023-10-09T10:55:10 Z Vladth11 Group Photo (JOI21_ho_t3) C++14
100 / 100
 199 ms 196436 KB 
#include <bits/stdc++.h>
#define debug(x) cerr << #x << " " << x << "\n"
#define debugs(x) cerr << #x << " " << x << " "
#pragma GCC optimize("Ofast")

using namespace std;
typedef long long ll;
typedef pair <ll, ll> pii;

const ll NMAX = 5002;
const ll INF = (1LL << 60);
const ll nrbits = 20;
const int MOD = 998244353;
const int bucket = 320;

int mici[NMAX][NMAX];
int v[NMAX];
int dp[NMAX];
int st[NMAX][NMAX];

int main() {
#ifdef HOME
    ifstream cin(".in");
    ofstream cout(".out");
#endif // HOME
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int n, i;
    cin >> n;
    for(i = 1; i <= n; i++){
        cin >> v[i];
    }
    for(i = 1; i <= n; i++){
        for(int j = i + 1; j <= n; j++){
            mici[v[i]][v[j]]++;
        }
        for(int j = 1; j <= i; j++){
            st[v[i]][v[j]]++;
        }
        for(int j = 1; j <= n; j++){
            st[v[i]][j] += st[v[i]][j - 1];
            mici[v[i]][j] += mici[v[i]][j - 1];
        }
    }
    for(int i = n; i >= 1; i--) dp[i] = 1e9;
    for(int i = n; i >= 1; i--){
        int sum = 0;
        for(int j = i; j <= n; j++){
            int nou = j;
            sum += (mici[nou][i - 1] + st[nou][nou - 1] - st[nou][i - 1]);
            dp[i] = min(dp[i], dp[j + 1] + sum);
        }
    }
    cout << dp[1];
    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2524 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2524 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4556 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4564 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct

Subtask #3
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2524 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4556 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4564 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 2 ms 10588 KB Output is correct
22 Correct 1 ms 10588 KB Output is correct
23 Correct 1 ms 10588 KB Output is correct
24 Correct 2 ms 10584 KB Output is correct
25 Correct 2 ms 10588 KB Output is correct
26 Correct 1 ms 10588 KB Output is correct
27 Correct 1 ms 10588 KB Output is correct
28 Correct 1 ms 10588 KB Output is correct
29 Correct 1 ms 10588 KB Output is correct
30 Correct 1 ms 10588 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2524 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4556 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4564 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 2 ms 10588 KB Output is correct
22 Correct 1 ms 10588 KB Output is correct
23 Correct 1 ms 10588 KB Output is correct
24 Correct 2 ms 10584 KB Output is correct
25 Correct 2 ms 10588 KB Output is correct
26 Correct 1 ms 10588 KB Output is correct
27 Correct 1 ms 10588 KB Output is correct
28 Correct 1 ms 10588 KB Output is correct
29 Correct 1 ms 10588 KB Output is correct
30 Correct 1 ms 10588 KB Output is correct
31 Correct 8 ms 35164 KB Output is correct
32 Correct 6 ms 35164 KB Output is correct
33 Correct 6 ms 35164 KB Output is correct
34 Correct 6 ms 35164 KB Output is correct
35 Correct 6 ms 35420 KB Output is correct
36 Correct 6 ms 35164 KB Output is correct
37 Correct 6 ms 35420 KB Output is correct
38 Correct 6 ms 35164 KB Output is correct
39 Correct 7 ms 35164 KB Output is correct
40 Correct 6 ms 35280 KB Output is correct

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2524 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4556 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4564 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 2 ms 10588 KB Output is correct
22 Correct 1 ms 10588 KB Output is correct
23 Correct 1 ms 10588 KB Output is correct
24 Correct 2 ms 10584 KB Output is correct
25 Correct 2 ms 10588 KB Output is correct
26 Correct 1 ms 10588 KB Output is correct
27 Correct 1 ms 10588 KB Output is correct
28 Correct 1 ms 10588 KB Output is correct
29 Correct 1 ms 10588 KB Output is correct
30 Correct 1 ms 10588 KB Output is correct
31 Correct 8 ms 35164 KB Output is correct
32 Correct 6 ms 35164 KB Output is correct
33 Correct 6 ms 35164 KB Output is correct
34 Correct 6 ms 35164 KB Output is correct
35 Correct 6 ms 35420 KB Output is correct
36 Correct 6 ms 35164 KB Output is correct
37 Correct 6 ms 35420 KB Output is correct
38 Correct 6 ms 35164 KB Output is correct
39 Correct 7 ms 35164 KB Output is correct
40 Correct 6 ms 35280 KB Output is correct
41 Correct 174 ms 196180 KB Output is correct
42 Correct 174 ms 196228 KB Output is correct
43 Correct 174 ms 196436 KB Output is correct
44 Correct 167 ms 196228 KB Output is correct
45 Correct 192 ms 196300 KB Output is correct
46 Correct 175 ms 196408 KB Output is correct
47 Correct 174 ms 196312 KB Output is correct
48 Correct 181 ms 196316 KB Output is correct
49 Correct 170 ms 196340 KB Output is correct
50 Correct 196 ms 196280 KB Output is correct
51 Correct 181 ms 196424 KB Output is correct
52 Correct 173 ms 196180 KB Output is correct
53 Correct 199 ms 196180 KB Output is correct
54 Correct 172 ms 196312 KB Output is correct
55 Correct 174 ms 196312 KB Output is correct