oj.uz

Submission #951506

# Submission time Handle Problem Language Result Execution time Memory
951506 2024-03-22T04:11:05 Z Nhoksocqt1 Painting Walls (APIO20_paint) C++17
12 / 100
 102 ms 90460 KB 
#include<bits/stdc++.h>
using namespace std;

#define inf 0x3f3f3f3f
#define sz(x) int((x).size())
#define fi first
#define se second
typedef long long ll;
typedef pair<int, int> ii;

template<class X, class Y>
	inline bool maximize(X &x, const Y &y) {return (x < y ? x = y, 1 : 0);}
template<class X, class Y>
	inline bool minimize(X &x, const Y &y) {return (x > y ? x = y, 1 : 0);}

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int Random(int l, int r) {
    return uniform_int_distribution<int>(l, r)(rng);
}

const int MAXN = 100005;
const int MAXM = 50004;

vector<ii> D[MAXN];
vector<int> B[MAXM], C[MAXN];
int dp[2 * MAXN], sum[MAXN], *f[MAXN];
int colNeed[MAXN], nArr, mArr, numCol;
bool dx[2003][MAXN], ok[MAXN];

int sub1(void) {
    for (int i = 1; i <= nArr; ++i) {
        if(sz(C[colNeed[i]]) == 0)
            return -1;

        dp[i] = C[colNeed[i]][0];
        sum[i] = sum[i - 1] + (i > 1 && (dp[i - 1] + 1) % mArr == dp[i]);
    }

    int res(0), maxi(1), lastok(-mArr);
    for (int i = 1; i <= nArr; ++i) {
        if(sum[i + mArr - 1] - sum[i] == mArr - 1 && (dp[i + mArr - 1] + 1) % mArr == dp[i])
            lastok = i;

        if(i == maxi) {
            if(lastok + mArr <= i)
                return -1;

            maxi = lastok + mArr;
            ++res;
        }
    }

    return res;
}

int sub3(void) {
    for (int j = 0; j < mArr; ++j) {
        for (int it = 0; it < sz(B[j]); ++it)
            dx[j][B[j][it]] = 1;
    }

    for (int i = 1; i + mArr - 1 <= nArr; ++i) {
        ok[i] = 0;
        for (int j = 0; j < mArr; ++j) {
            ok[i] = 1;
            for (int k = 0; k < mArr; ++k)
                ok[i] &= (dx[(j + k) % mArr][colNeed[i + k]]);

            if(ok[i])
                break;
        }
    }

    int res(0), maxi(1), lastok(-mArr);
    for (int i = 1; i <= nArr; ++i) {
        if(ok[i])
            lastok = i;

        if(i == maxi) {
            if(lastok + mArr <= i)
                return -1;

            maxi = lastok + mArr;
            ++res;
        }
    }

    return res;
}

int sub4(void) {
    for (int j = 0; j < mArr; ++j) {
        for (int it = 0; it < sz(B[j]); ++it)
            dx[j][B[j][it]] = 1;
    }

    for (int i = 0; i <= nArr + 1; ++i) {
        f[i] = new int[mArr + 2];
        for (int j = 0; j <= mArr + 1; ++j)
            f[i][j] = 0;
    }

    for (int i = nArr; i > 0; --i) {
        for (int j = mArr; j > 0; --j)
            f[i][j] = f[i + 1][j + 1] + (dx[j - 1][colNeed[i]]);
    }

    for (int i = 1; i + mArr - 1 <= nArr; ++i) {
        for (int j = 0; j < mArr; ++j) {
            ok[i] = (f[i][j + 1] + f[i + mArr - j][1] - f[i + mArr][j + 1] == mArr);
            if(ok[i])
                break;
        }
    }

    int res(0), maxi(1), lastok(-mArr);
    for (int i = 1; i <= nArr; ++i) {
        if(ok[i])
            lastok = i;

        if(i == maxi) {
            if(lastok + mArr <= i)
                return -1;

            maxi = lastok + mArr;
            ++res;
        }
    }

    return res;
}

queue<ii> qu[MAXN];
int magicFunc(void) {
    for (int i = 1; i <= nArr; ++i)
        sort(C[colNeed[i]].begin(), C[colNeed[i]].end());

    for (int i = 1; i + mArr - 1 <= nArr; ++i) {
        f[i] = new int[sz(C[colNeed[i]])];
        int k(0);
        while(k < sz(C[colNeed[i]]) && i - C[colNeed[i]][k] + mArr > nArr)
            ++k;

        if(k < sz(C[colNeed[i]])) {
            int id(C[colNeed[i]][k]);
            qu[i - id + mArr].push(ii(i, k));
        }

        for (int it = 0; it < sz(C[colNeed[i]]); ++it)
            f[i][it] = 0;
    }

    for (int i = 0; i <= nArr + mArr; ++i)
        dp[i] = 0;

    for (int i = nArr; i > 0; --i) {
        for (int j = 0; j < sz(C[colNeed[i]]); ++j) {
            int id(C[colNeed[i]][j]);
            ++dp[i - id + mArr];
        }

        if(i + mArr - 1 <= nArr) {
            for (int it = 0; it < sz(C[colNeed[i]]); ++it) {
                int id(C[colNeed[i]][it]);
                f[i][it] += dp[i - id + mArr];
            }
        }

        if(i > mArr) {
            for (int it = 0; it < sz(C[colNeed[i - mArr]]); ++it) {
                int id(C[colNeed[i - mArr]][it]);
                f[i - mArr][it] -= dp[i - id + mArr];
            }
        }

        while(sz(qu[i])) {
            int j(qu[i].front().fi), k(qu[i].front().se);
            qu[i].pop();

            f[j][k] += dp[i + mArr];
            /*if(++k < sz(C[colNeed[j]])) {
                int id(C[colNeed[j]][k]);
                qu[j - id + mArr].push(ii(j, k));
            }*/
        }
    }

    for (int i = 1; i + mArr - 1 <= nArr; ++i) {
        for (int it = 0; it < sz(C[colNeed[i]]); ++it)
            ok[i] |= (f[i][it] == mArr);
    }

    int res(0), maxi(1), lastok(-mArr);
    for (int i = 1; i <= nArr; ++i) {
        if(ok[i])
            lastok = i;

        if(i == maxi) {
            if(lastok + mArr <= i)
                return -1;

            maxi = lastok + mArr;
            ++res;
        }
    }

    return res;
}

int minimumInstructions(int _N, int _M, int _K, vector<int> _C, vector<int> _A, vector<vector<int>> _B) {
    nArr = _N, mArr = _M, numCol = _K;
    for (int i = 1; i <= nArr; ++i) {
        colNeed[i] = _C[i - 1];
        C[i].clear();
    }

    int maxf(0);
    for (int i = 0; i < mArr; ++i) {
        int szlike(_A[i]);

        B[i].clear();
        for (int j = 0; j < szlike; ++j) {
            B[i].push_back(_B[i][j]);
            C[_B[i][j]].push_back(i);
            maxf = max(maxf, sz(C[_B[i][j]]));
        }
    }

    /*if(maxf <= 1)
        return sub1();

    if(nArr <= 500)
        return sub3();

    if(nArr <= 20000 && mArr <= 2000)
        return sub4();*/

    return magicFunc();
}

#ifdef Nhoksocqt1

int main(void) {
    ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);

    #define TASK "paint"
    if(fopen(TASK".inp", "r")) {
        freopen(TASK".inp", "r", stdin);
        freopen(TASK".out", "w", stdout);
    }

    vector<int> _A, _C;
    vector<vector<int>> _B;
    int _N, _M, _K;
    cin >> _N >> _M >> _K;

    _C.resize(_N);
    for (int i = 0; i < _N; ++i) {
        cin >> _C[i];
        //_C[i] = Random(0, _K - 1); cout << _C[i] << " \n"[i + 1 == _N];
    }

    vector<int> col; for (int i = 0; i < _K; ++i) col.push_back(i);
    _A.resize(_M), _B.resize(_M);
    for (int i = 0; i < _M; ++i) {
        cin >> _A[i];
        //_A[i] = Random(1, _K); cout << _A[i] << ' ';
        _B[i].resize(_A[i]);

        shuffle(col.begin(), col.end(), rng);
        for (int j = 0; j < _A[i]; ++j) {
            cin >> _B[i][j];
            //_B[i][j] = col[j]; cout << _B[i][j] << " \n"[j + 1 == _A[i]];
        }
    }

    int ans = minimumInstructions(_N, _M, _K, _C, _A, _B);
    cout << "ANSWER: " << ans << '\n';

    return 0;
}

#endif // Nhoksocqt1

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 76892 KB Output is correct
2 Correct 33 ms 76876 KB Output is correct
3 Correct 35 ms 76884 KB Output is correct
4 Correct 42 ms 76880 KB Output is correct
5 Correct 35 ms 77148 KB Output is correct
6 Correct 34 ms 77148 KB Output is correct
7 Correct 35 ms 77144 KB Output is correct
8 Correct 34 ms 77140 KB Output is correct
9 Correct 38 ms 77148 KB Output is correct
10 Correct 34 ms 77148 KB Output is correct
11 Correct 34 ms 77148 KB Output is correct
12 Correct 34 ms 77148 KB Output is correct
13 Correct 34 ms 77144 KB Output is correct
14 Correct 35 ms 76996 KB Output is correct
15 Correct 34 ms 76952 KB Output is correct
16 Correct 37 ms 77140 KB Output is correct
17 Correct 36 ms 77148 KB Output is correct
18 Correct 34 ms 77144 KB Output is correct
19 Correct 37 ms 76992 KB Output is correct
20 Correct 40 ms 77516 KB Output is correct
21 Correct 34 ms 77140 KB Output is correct
22 Correct 50 ms 81508 KB Output is correct
23 Correct 53 ms 81492 KB Output is correct
24 Correct 51 ms 81336 KB Output is correct
25 Correct 37 ms 77912 KB Output is correct
26 Correct 39 ms 77648 KB Output is correct
27 Correct 38 ms 77652 KB Output is correct
28 Correct 38 ms 77912 KB Output is correct
29 Correct 37 ms 77916 KB Output is correct
30 Correct 38 ms 77648 KB Output is correct
31 Correct 43 ms 79096 KB Output is correct
32 Correct 53 ms 78876 KB Output is correct
33 Correct 42 ms 79000 KB Output is correct
34 Correct 43 ms 78940 KB Output is correct
35 Correct 43 ms 78884 KB Output is correct
36 Correct 42 ms 78932 KB Output is correct
37 Correct 60 ms 82448 KB Output is correct
38 Correct 64 ms 82464 KB Output is correct
39 Correct 60 ms 82264 KB Output is correct
40 Correct 49 ms 80464 KB Output is correct
41 Correct 43 ms 79136 KB Output is correct
42 Correct 52 ms 80768 KB Output is correct
43 Correct 50 ms 79444 KB Output is correct
44 Correct 44 ms 79424 KB Output is correct
45 Correct 58 ms 80980 KB Output is correct
46 Correct 80 ms 89168 KB Output is correct
47 Correct 58 ms 84048 KB Output is correct
48 Correct 59 ms 86524 KB Output is correct
49 Correct 86 ms 86608 KB Output is correct
50 Correct 77 ms 86612 KB Output is correct
51 Correct 70 ms 84544 KB Output is correct
52 Correct 52 ms 80860 KB Output is correct
53 Correct 49 ms 80980 KB Output is correct
54 Correct 58 ms 80988 KB Output is correct
55 Correct 51 ms 80980 KB Output is correct
56 Correct 53 ms 80976 KB Output is correct
57 Correct 54 ms 80860 KB Output is correct
58 Correct 76 ms 90388 KB Output is correct
59 Correct 74 ms 90452 KB Output is correct
60 Correct 74 ms 90448 KB Output is correct
61 Correct 76 ms 90460 KB Output is correct
62 Correct 75 ms 90448 KB Output is correct
63 Correct 74 ms 90452 KB Output is correct
64 Correct 96 ms 89248 KB Output is correct
65 Correct 91 ms 89168 KB Output is correct
66 Correct 102 ms 89264 KB Output is correct

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 76892 KB Output is correct
2 Correct 33 ms 76876 KB Output is correct
3 Correct 35 ms 76884 KB Output is correct
4 Correct 42 ms 76880 KB Output is correct
5 Correct 35 ms 77148 KB Output is correct
6 Correct 34 ms 77148 KB Output is correct
7 Correct 35 ms 77144 KB Output is correct
8 Correct 34 ms 77140 KB Output is correct
9 Correct 38 ms 77148 KB Output is correct
10 Correct 34 ms 77148 KB Output is correct
11 Correct 34 ms 77148 KB Output is correct
12 Correct 34 ms 77148 KB Output is correct
13 Correct 34 ms 77144 KB Output is correct
14 Correct 35 ms 76996 KB Output is correct
15 Correct 34 ms 76952 KB Output is correct
16 Correct 37 ms 77140 KB Output is correct
17 Correct 36 ms 77148 KB Output is correct
18 Correct 34 ms 77144 KB Output is correct
19 Correct 37 ms 76992 KB Output is correct
20 Correct 40 ms 77516 KB Output is correct
21 Correct 34 ms 77140 KB Output is correct
22 Correct 34 ms 77148 KB Output is correct
23 Correct 34 ms 77148 KB Output is correct
24 Correct 35 ms 76884 KB Output is correct
25 Correct 35 ms 77144 KB Output is correct
26 Correct 33 ms 76888 KB Output is correct
27 Correct 34 ms 77148 KB Output is correct
28 Correct 33 ms 77140 KB Output is correct
29 Correct 37 ms 77140 KB Output is correct
30 Correct 33 ms 77148 KB Output is correct
31 Correct 35 ms 77140 KB Output is correct
32 Correct 33 ms 77140 KB Output is correct
33 Correct 35 ms 77144 KB Output is correct
34 Correct 34 ms 77148 KB Output is correct
35 Correct 35 ms 77188 KB Output is correct
36 Correct 35 ms 77148 KB Output is correct
37 Correct 35 ms 77148 KB Output is correct
38 Correct 35 ms 77140 KB Output is correct
39 Incorrect 39 ms 77140 KB Output isn't correct
40 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 77148 KB Output is correct
2 Correct 34 ms 77148 KB Output is correct
3 Correct 33 ms 76892 KB Output is correct
4 Correct 33 ms 76876 KB Output is correct
5 Correct 35 ms 76884 KB Output is correct
6 Correct 42 ms 76880 KB Output is correct
7 Correct 35 ms 77148 KB Output is correct
8 Correct 34 ms 77148 KB Output is correct
9 Correct 35 ms 77144 KB Output is correct
10 Correct 34 ms 77140 KB Output is correct
11 Correct 38 ms 77148 KB Output is correct
12 Correct 34 ms 77148 KB Output is correct
13 Correct 34 ms 77148 KB Output is correct
14 Correct 34 ms 77148 KB Output is correct
15 Correct 34 ms 77144 KB Output is correct
16 Correct 35 ms 76996 KB Output is correct
17 Correct 34 ms 76952 KB Output is correct
18 Correct 37 ms 77140 KB Output is correct
19 Correct 36 ms 77148 KB Output is correct
20 Correct 34 ms 77144 KB Output is correct
21 Correct 37 ms 76992 KB Output is correct
22 Correct 40 ms 77516 KB Output is correct
23 Correct 34 ms 77140 KB Output is correct
24 Correct 50 ms 81508 KB Output is correct
25 Correct 53 ms 81492 KB Output is correct
26 Correct 51 ms 81336 KB Output is correct
27 Correct 35 ms 76884 KB Output is correct
28 Correct 35 ms 77144 KB Output is correct
29 Correct 33 ms 76888 KB Output is correct
30 Correct 34 ms 77148 KB Output is correct
31 Correct 33 ms 77140 KB Output is correct
32 Correct 37 ms 77140 KB Output is correct
33 Correct 33 ms 77148 KB Output is correct
34 Correct 35 ms 77140 KB Output is correct
35 Correct 33 ms 77140 KB Output is correct
36 Correct 35 ms 77144 KB Output is correct
37 Correct 34 ms 77148 KB Output is correct
38 Correct 35 ms 77188 KB Output is correct
39 Correct 35 ms 77148 KB Output is correct
40 Correct 35 ms 77148 KB Output is correct
41 Correct 35 ms 77140 KB Output is correct
42 Incorrect 39 ms 77140 KB Output isn't correct
43 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 77148 KB Output is correct
2 Correct 34 ms 77148 KB Output is correct
3 Correct 33 ms 76892 KB Output is correct
4 Correct 33 ms 76876 KB Output is correct
5 Correct 35 ms 76884 KB Output is correct
6 Correct 42 ms 76880 KB Output is correct
7 Correct 35 ms 77148 KB Output is correct
8 Correct 34 ms 77148 KB Output is correct
9 Correct 35 ms 77144 KB Output is correct
10 Correct 34 ms 77140 KB Output is correct
11 Correct 38 ms 77148 KB Output is correct
12 Correct 34 ms 77148 KB Output is correct
13 Correct 34 ms 77148 KB Output is correct
14 Correct 34 ms 77148 KB Output is correct
15 Correct 34 ms 77144 KB Output is correct
16 Correct 35 ms 76996 KB Output is correct
17 Correct 34 ms 76952 KB Output is correct
18 Correct 37 ms 77140 KB Output is correct
19 Correct 36 ms 77148 KB Output is correct
20 Correct 34 ms 77144 KB Output is correct
21 Correct 37 ms 76992 KB Output is correct
22 Correct 40 ms 77516 KB Output is correct
23 Correct 34 ms 77140 KB Output is correct
24 Correct 50 ms 81508 KB Output is correct
25 Correct 53 ms 81492 KB Output is correct
26 Correct 51 ms 81336 KB Output is correct
27 Correct 37 ms 77912 KB Output is correct
28 Correct 39 ms 77648 KB Output is correct
29 Correct 38 ms 77652 KB Output is correct
30 Correct 38 ms 77912 KB Output is correct
31 Correct 37 ms 77916 KB Output is correct
32 Correct 38 ms 77648 KB Output is correct
33 Correct 43 ms 79096 KB Output is correct
34 Correct 53 ms 78876 KB Output is correct
35 Correct 42 ms 79000 KB Output is correct
36 Correct 43 ms 78940 KB Output is correct
37 Correct 43 ms 78884 KB Output is correct
38 Correct 42 ms 78932 KB Output is correct
39 Correct 60 ms 82448 KB Output is correct
40 Correct 64 ms 82464 KB Output is correct
41 Correct 60 ms 82264 KB Output is correct
42 Correct 35 ms 76884 KB Output is correct
43 Correct 35 ms 77144 KB Output is correct
44 Correct 33 ms 76888 KB Output is correct
45 Correct 34 ms 77148 KB Output is correct
46 Correct 33 ms 77140 KB Output is correct
47 Correct 37 ms 77140 KB Output is correct
48 Correct 33 ms 77148 KB Output is correct
49 Correct 35 ms 77140 KB Output is correct
50 Correct 33 ms 77140 KB Output is correct
51 Correct 35 ms 77144 KB Output is correct
52 Correct 34 ms 77148 KB Output is correct
53 Correct 35 ms 77188 KB Output is correct
54 Correct 35 ms 77148 KB Output is correct
55 Correct 35 ms 77148 KB Output is correct
56 Correct 35 ms 77140 KB Output is correct
57 Incorrect 39 ms 77140 KB Output isn't correct
58 Halted 0 ms 0 KB -

Subtask #5
0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 77148 KB Output is correct
2 Correct 34 ms 77148 KB Output is correct
3 Correct 33 ms 76892 KB Output is correct
4 Correct 33 ms 76876 KB Output is correct
5 Correct 35 ms 76884 KB Output is correct
6 Correct 42 ms 76880 KB Output is correct
7 Correct 35 ms 77148 KB Output is correct
8 Correct 34 ms 77148 KB Output is correct
9 Correct 35 ms 77144 KB Output is correct
10 Correct 34 ms 77140 KB Output is correct
11 Correct 38 ms 77148 KB Output is correct
12 Correct 34 ms 77148 KB Output is correct
13 Correct 34 ms 77148 KB Output is correct
14 Correct 34 ms 77148 KB Output is correct
15 Correct 34 ms 77144 KB Output is correct
16 Correct 35 ms 76996 KB Output is correct
17 Correct 34 ms 76952 KB Output is correct
18 Correct 37 ms 77140 KB Output is correct
19 Correct 36 ms 77148 KB Output is correct
20 Correct 34 ms 77144 KB Output is correct
21 Correct 37 ms 76992 KB Output is correct
22 Correct 40 ms 77516 KB Output is correct
23 Correct 34 ms 77140 KB Output is correct
24 Correct 50 ms 81508 KB Output is correct
25 Correct 53 ms 81492 KB Output is correct
26 Correct 51 ms 81336 KB Output is correct
27 Correct 37 ms 77912 KB Output is correct
28 Correct 39 ms 77648 KB Output is correct
29 Correct 38 ms 77652 KB Output is correct
30 Correct 38 ms 77912 KB Output is correct
31 Correct 37 ms 77916 KB Output is correct
32 Correct 38 ms 77648 KB Output is correct
33 Correct 43 ms 79096 KB Output is correct
34 Correct 53 ms 78876 KB Output is correct
35 Correct 42 ms 79000 KB Output is correct
36 Correct 43 ms 78940 KB Output is correct
37 Correct 43 ms 78884 KB Output is correct
38 Correct 42 ms 78932 KB Output is correct
39 Correct 60 ms 82448 KB Output is correct
40 Correct 64 ms 82464 KB Output is correct
41 Correct 60 ms 82264 KB Output is correct
42 Correct 49 ms 80464 KB Output is correct
43 Correct 43 ms 79136 KB Output is correct
44 Correct 52 ms 80768 KB Output is correct
45 Correct 50 ms 79444 KB Output is correct
46 Correct 44 ms 79424 KB Output is correct
47 Correct 58 ms 80980 KB Output is correct
48 Correct 80 ms 89168 KB Output is correct
49 Correct 58 ms 84048 KB Output is correct
50 Correct 59 ms 86524 KB Output is correct
51 Correct 86 ms 86608 KB Output is correct
52 Correct 77 ms 86612 KB Output is correct
53 Correct 70 ms 84544 KB Output is correct
54 Correct 52 ms 80860 KB Output is correct
55 Correct 49 ms 80980 KB Output is correct
56 Correct 58 ms 80988 KB Output is correct
57 Correct 51 ms 80980 KB Output is correct
58 Correct 53 ms 80976 KB Output is correct
59 Correct 54 ms 80860 KB Output is correct
60 Correct 76 ms 90388 KB Output is correct
61 Correct 74 ms 90452 KB Output is correct
62 Correct 74 ms 90448 KB Output is correct
63 Correct 76 ms 90460 KB Output is correct
64 Correct 75 ms 90448 KB Output is correct
65 Correct 74 ms 90452 KB Output is correct
66 Correct 96 ms 89248 KB Output is correct
67 Correct 91 ms 89168 KB Output is correct
68 Correct 102 ms 89264 KB Output is correct
69 Correct 35 ms 76884 KB Output is correct
70 Correct 35 ms 77144 KB Output is correct
71 Correct 33 ms 76888 KB Output is correct
72 Correct 34 ms 77148 KB Output is correct
73 Correct 33 ms 77140 KB Output is correct
74 Correct 37 ms 77140 KB Output is correct
75 Correct 33 ms 77148 KB Output is correct
76 Correct 35 ms 77140 KB Output is correct
77 Correct 33 ms 77140 KB Output is correct
78 Correct 35 ms 77144 KB Output is correct
79 Correct 34 ms 77148 KB Output is correct
80 Correct 35 ms 77188 KB Output is correct
81 Correct 35 ms 77148 KB Output is correct
82 Correct 35 ms 77148 KB Output is correct
83 Correct 35 ms 77140 KB Output is correct
84 Incorrect 39 ms 77140 KB Output isn't correct
85 Halted 0 ms 0 KB -