oj.uz

Submission #1106021

# Submission time Handle Problem Language Result Execution time Memory
1106021 2024-10-28T22:41:47 Z jerzyk Hieroglyphs (IOI24_hieroglyphs) C++17
19 / 100
 155 ms 33448 KB 
#include <bits/stdc++.h>
#include "hieroglyphs.h"

using namespace std;
#define pb push_back
#define st first
#define nd second
typedef long long ll;
typedef long double ld;
const ll I = 1000LL * 1000LL * 1000LL * 1000LL * 1000LL * 1000LL;
const int II = 2 * 1000 * 1000 * 1000;
const int N = 300 * 1000 + 7;
int tab[N][2], nxt[N][2], rev[N];
map<int, int> scl;
vector<int> pos[N][2];
set<int>::iterator it;

int Il(int a, int i, int r)
{
    //cout << "Il: " << a << " " << i << " " << r << " " << (pos[a][r].size()) << "\n";
    return (pos[a][r].end() - lower_bound(pos[a][r].begin(), pos[a][r].end(), i));
}

int Nxt(int a, int i, int r)
{
    int j = (upper_bound(pos[a][r].begin(), pos[a][r].end(), i) - pos[a][r].begin());
    if(j == (int)pos[a][r].size())
        return N - 3;
    return pos[a][r][j];
}

void Scl(int n, int m)
{
    vector<int> v;
    for(int i = 1; i <= n; ++i)
        v.pb(tab[i][0]);
    for(int i = 1; i <= m; ++i)
        v.pb(tab[i][1]);
    sort(v.begin(), v.end());
    int l = -1;
    for(int i = 0; i < (int)v.size(); ++i)
    {
        if(i == 0 || v[i] != v[i - 1]) ++l;
        scl[v[i]] = l; rev[l] = v[i];
    }
    for(int i = 1; i <= n; ++i)
    {
        tab[i][0] = scl[tab[i][0]];
        pos[tab[i][0]][0].pb(i);
    }
    for(int i = 1; i <= m; ++i)
    {
        tab[i][1] = scl[tab[i][1]];
        pos[tab[i][1]][1].pb(i);
    }
}

void Gen(int n, int m)
{
    nxt[n + 1][0] = n + 1;
    nxt[m + 1][1] = m + 1;
    for(int i = n; i >= 1; --i)
    {
        nxt[i][0] = nxt[i + 1][0];
        if((int)pos[tab[i][0]][0].size() <= (int)pos[tab[i][0]][1].size())
            nxt[i][0] = i;
    }
    for(int i = m; i >= 1; --i)
    {
        nxt[i][1] = nxt[i + 1][1];
        if((int)pos[tab[i][1]][1].size() <= (int)pos[tab[i][1]][0].size())
            nxt[i][1] = i;
    }
    nxt[0][0] = nxt[1][0];
    nxt[0][1] = nxt[1][1];
}

vector<int> ucs(vector<int> A, vector<int> B)
{
    int n = A.size(), m = B.size();
    vector<int> answer, fans = {-1};
    for(int i = 0; i < n; ++i)
        tab[i + 1][0] = A[i];
    for(int i = 0; i < m; ++i)
        tab[i + 1][1] = B[i];
    Scl(n, m);
    Gen(n, m);
    tab[n + 1][0] = N - 6; tab[m + 1][1] = N - 5;
    int i = 0, j = 0;
    while(i < n && j < m)
    {
        int a = tab[nxt[i + 1][0]][0], b = tab[nxt[j + 1][1]][1];
        if(nxt[i + 1][0] > n && nxt[j + 1][1] > m) break;
        if(a == b)
        {
            answer.pb(rev[a]);
            i = nxt[i + 1][0]; j = nxt[j + 1][1];
            continue;
        }
        int il1 = Il(a, i + 1, 0), il2 = Il(b, j + 1, 1);
        //int n1 = Nxt(a, 1, nxt[j + 1][1]), n2 = Nxt(b, 0, nxt[i + 1][0]);
        bool cz1 = (Nxt(a, j, 1) < nxt[j + 1][1] && Il(b, nxt[i + 1][0], 0) >= il2);
        bool cz2 = (Nxt(b, i, 0) < nxt[i + 1][0] && Il(a, nxt[j + 1][1], 1) >= il1);
        //cout << a << " " << b << "\n";
        //cout << i << " " << j << " " << nxt[i + 1][0] << " " << nxt[j + 1][1] << "\n";
        //cout << Il(b, nxt[i + 1][0], 0) << " " << Il(a, nxt[j + 1][1], 1) << "\n";
        //cout << il1 << " " << il2 << "\n";
        //cout << cz1 << " " << cz2 << "\n";
        if(!(cz1 ^ cz2))
            return fans;
        if(cz1)
        {
            i = nxt[i + 1][0];
            j = Nxt(a, j, 1);
        }else
        {
            i = Nxt(b, i, 0);
            j = nxt[j + 1][1];
        }
        answer.pb(rev[tab[i][0]]);
    }
    int anss = 0;
    for(int i = 0; i <= n + m; ++i)
        anss += (int)min(pos[i][0].size(), pos[i][1].size());
    if(anss != (int)answer.size())
        return fans;
    return answer;
}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 19024 KB Output is correct
2 Correct 3 ms 19024 KB Output is correct
3 Correct 4 ms 19024 KB Output is correct

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 19024 KB Output is correct
2 Correct 3 ms 19024 KB Output is correct
3 Correct 4 ms 19024 KB Output is correct
4 Correct 4 ms 19024 KB Output is correct
5 Correct 155 ms 33448 KB Output is correct
6 Correct 133 ms 32684 KB Output is correct
7 Correct 129 ms 32748 KB Output is correct

Subtask #2
0.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 19024 KB Output is correct
2 Correct 3 ms 19024 KB Output is correct
3 Correct 4 ms 19024 KB Output is correct
4 Correct 4 ms 19024 KB Output is correct
5 Correct 155 ms 33448 KB Output is correct
6 Correct 133 ms 32684 KB Output is correct
7 Correct 129 ms 32748 KB Output is correct
8 Correct 106 ms 28488 KB Output is correct
9 Correct 110 ms 28668 KB Output is correct
10 Correct 105 ms 28668 KB Output is correct
11 Correct 106 ms 28600 KB Output is correct
12 Correct 114 ms 28660 KB Output is correct
13 Correct 115 ms 28672 KB Output is correct
14 Correct 108 ms 28668 KB Output is correct
15 Correct 106 ms 28640 KB Output is correct
16 Correct 106 ms 28680 KB Output is correct
17 Correct 105 ms 28672 KB Output is correct
18 Correct 4 ms 19040 KB Output is correct
19 Correct 4 ms 19024 KB Output is correct
20 Correct 4 ms 19024 KB Output is correct
21 Correct 6 ms 19280 KB Output is correct
22 Correct 69 ms 26256 KB Output is correct
23 Correct 117 ms 31216 KB Output is correct
24 Correct 123 ms 31408 KB Output is correct
25 Correct 116 ms 31212 KB Output is correct
26 Correct 100 ms 27980 KB Output is correct
27 Correct 104 ms 28668 KB Output is correct
28 Correct 114 ms 28668 KB Output is correct
29 Incorrect 99 ms 28668 KB Output isn't correct
30 Halted 0 ms 0 KB -

Subtask #3
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 22708 KB Output is correct
2 Correct 37 ms 22964 KB Output is correct
3 Correct 32 ms 22260 KB Output is correct
4 Correct 32 ms 22248 KB Output is correct
5 Correct 34 ms 22624 KB Output is correct
6 Correct 15 ms 20760 KB Output is correct
7 Correct 3 ms 19024 KB Output is correct
8 Correct 3 ms 19024 KB Output is correct
9 Correct 3 ms 19052 KB Output is correct
10 Correct 3 ms 19024 KB Output is correct
11 Correct 3 ms 19024 KB Output is correct
12 Correct 3 ms 19244 KB Output is correct
13 Correct 3 ms 19024 KB Output is correct
14 Incorrect 3 ms 19024 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 106 ms 28488 KB Output is correct
2 Correct 110 ms 28668 KB Output is correct
3 Correct 105 ms 28668 KB Output is correct
4 Correct 106 ms 28600 KB Output is correct
5 Correct 114 ms 28660 KB Output is correct
6 Correct 115 ms 28672 KB Output is correct
7 Correct 108 ms 28668 KB Output is correct
8 Correct 106 ms 28640 KB Output is correct
9 Correct 106 ms 28680 KB Output is correct
10 Correct 105 ms 28672 KB Output is correct
11 Correct 4 ms 19040 KB Output is correct
12 Correct 4 ms 19024 KB Output is correct
13 Correct 4 ms 19024 KB Output is correct
14 Correct 6 ms 19280 KB Output is correct
15 Correct 69 ms 26256 KB Output is correct
16 Correct 117 ms 31216 KB Output is correct
17 Correct 123 ms 31408 KB Output is correct
18 Correct 116 ms 31212 KB Output is correct
19 Correct 100 ms 27980 KB Output is correct
20 Correct 30 ms 22708 KB Output is correct
21 Correct 37 ms 22964 KB Output is correct
22 Correct 32 ms 22260 KB Output is correct
23 Correct 32 ms 22248 KB Output is correct
24 Correct 34 ms 22624 KB Output is correct
25 Correct 15 ms 20760 KB Output is correct
26 Correct 4 ms 19024 KB Output is correct
27 Correct 4 ms 19024 KB Output is correct
28 Correct 4 ms 19024 KB Output is correct
29 Correct 4 ms 19024 KB Output is correct
30 Correct 4 ms 19276 KB Output is correct
31 Correct 4 ms 19248 KB Output is correct
32 Correct 5 ms 19024 KB Output is correct
33 Correct 5 ms 19056 KB Output is correct
34 Correct 11 ms 20244 KB Output is correct
35 Correct 36 ms 23472 KB Output is correct
36 Correct 50 ms 24256 KB Output is correct
37 Correct 38 ms 23980 KB Output is correct
38 Correct 38 ms 23732 KB Output is correct
39 Correct 39 ms 23724 KB Output is correct
40 Correct 95 ms 27644 KB Output is correct
41 Correct 78 ms 25864 KB Output is correct
42 Correct 28 ms 23144 KB Output is correct
43 Correct 28 ms 22964 KB Output is correct
44 Correct 30 ms 23220 KB Output is correct
45 Correct 33 ms 23140 KB Output is correct
46 Correct 86 ms 25928 KB Output is correct
47 Correct 83 ms 26252 KB Output is correct
48 Correct 81 ms 26036 KB Output is correct
49 Correct 87 ms 25620 KB Output is correct
50 Correct 82 ms 25616 KB Output is correct
51 Correct 76 ms 25520 KB Output is correct
52 Correct 86 ms 25596 KB Output is correct
53 Correct 81 ms 25596 KB Output is correct
54 Correct 79 ms 25596 KB Output is correct
55 Correct 18 ms 20800 KB Output is correct
56 Correct 48 ms 23740 KB Output is correct
57 Correct 48 ms 23540 KB Output is correct
58 Correct 56 ms 23980 KB Output is correct
59 Correct 69 ms 24268 KB Output is correct
60 Correct 85 ms 24868 KB Output is correct

Subtask #5
0.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 19024 KB Output is correct
2 Correct 3 ms 19024 KB Output is correct
3 Correct 3 ms 19052 KB Output is correct
4 Correct 3 ms 19024 KB Output is correct
5 Correct 3 ms 19024 KB Output is correct
6 Correct 3 ms 19244 KB Output is correct
7 Correct 3 ms 19024 KB Output is correct
8 Incorrect 3 ms 19024 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #6
0.0 / 42.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 19024 KB Output is correct
2 Correct 3 ms 19024 KB Output is correct
3 Correct 4 ms 19024 KB Output is correct
4 Correct 4 ms 19024 KB Output is correct
5 Correct 3 ms 19024 KB Output is correct
6 Correct 4 ms 19024 KB Output is correct
7 Correct 4 ms 19024 KB Output is correct
8 Correct 155 ms 33448 KB Output is correct
9 Correct 133 ms 32684 KB Output is correct
10 Correct 129 ms 32748 KB Output is correct
11 Correct 106 ms 28488 KB Output is correct
12 Correct 110 ms 28668 KB Output is correct
13 Correct 105 ms 28668 KB Output is correct
14 Correct 106 ms 28600 KB Output is correct
15 Correct 114 ms 28660 KB Output is correct
16 Correct 115 ms 28672 KB Output is correct
17 Correct 108 ms 28668 KB Output is correct
18 Correct 106 ms 28640 KB Output is correct
19 Correct 106 ms 28680 KB Output is correct
20 Correct 105 ms 28672 KB Output is correct
21 Correct 4 ms 19040 KB Output is correct
22 Correct 4 ms 19024 KB Output is correct
23 Correct 4 ms 19024 KB Output is correct
24 Correct 6 ms 19280 KB Output is correct
25 Correct 69 ms 26256 KB Output is correct
26 Correct 117 ms 31216 KB Output is correct
27 Correct 123 ms 31408 KB Output is correct
28 Correct 116 ms 31212 KB Output is correct
29 Correct 100 ms 27980 KB Output is correct
30 Correct 104 ms 28668 KB Output is correct
31 Correct 114 ms 28668 KB Output is correct
32 Incorrect 99 ms 28668 KB Output isn't correct
33 Halted 0 ms 0 KB -