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Submission #907492

# Submission time Handle Problem Language Result Execution time Memory
907492 2024-01-15T17:43:21 Z LOLOLO I want to be the very best too! (NOI17_pokemonmaster) C++17
27 / 100
 5000 ms 87736 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

#define           f     first
#define           s     second
#define           pb    push_back
#define           ep    emplace
#define           eb    emplace_back
#define           lb    lower_bound
#define           ub    upper_bound
#define       all(x)    x.begin(), x.end()
#define      rall(x)    x.rbegin(), x.rend()
#define   uniquev(v)    sort(all(v)), (v).resize(unique(all(v)) - (v).begin())
#define     mem(f,x)    memset(f , x , sizeof(f))
#define        sz(x)    (int)(x).size()
#define  __lcm(a, b)    (1ll * ((a) / __gcd((a), (b))) * (b))
#define          mxx    *max_element
#define          mnn    *min_element
#define    cntbit(x)    __builtin_popcountll(x)
#define       len(x)    (int)(x.length())

const int M = 1e5 + 100;
const int N = M;
const int SZ = 4000;
int t[N], x[N], l[N], r[N], n, m, change[M], L[M], P[M], sz[N], y[N], p[N], C[N], ans[N];
vector <pair <int, int>> save[M];

int cov(int a, int b) {
    return (a - 1) * m + b;
}

int get(int a) {
    if (p[a] == 0)
        return a;

    return p[a] = get(p[a]);
}

int cc[N];
unordered_map <int, int> mp[N];

void unite(int a, int b) {
    a = get(a), b = get(b);
    if (a == b)
        return;

    if (sz[a] < sz[b])
        swap(a, b);

    sz[a] += sz[b];
    p[b] = a;

    for (auto &x : mp[b]) {
        int &t = mp[a][x.f];
        if (t == 0 && x.s)
            cc[a]++;

        t += x.s;
    }
}

vector <vector <int>> action;

void upd(int c, int x) {
    c = get(c);

    int &t = mp[c][x];
    if (t == 0)
        cc[c]++;

    action.pb({c, x, t});
    t++;
}

void rollback() {
    while (sz(action)) {
        auto t = action.back();
        action.pop_back();
        if (t[2] == 0) {
            cc[t[0]]--;
        }

        mp[t[0]][t[1]] = t[2];
    }
}

ll solve() {
    mem(L, 0x3f);
    mem(P, 0x3f);

    int q;
    cin >> n >> m >> q;

    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= m; j++)
            cin >> L[cov(i, j)];

    vector <vector <int>> edge;

    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            if (i < n)
                edge.pb({max(L[cov(i + 1, j)], L[cov(i, j)]), cov(i + 1, j), cov(i, j)});

            if (j < m)
                edge.pb({max(L[cov(i, j + 1)], L[cov(i, j)]), cov(i, j + 1), cov(i, j)});
        }
    }

    sort(all(edge), [&](vector <int> a, vector <int> b) { return a[0] < b[0]; });
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= m; j++)
            cin >> P[cov(i, j)];

    for (int i = 1; i <= q; i++) {
        cin >> t[i] >> y[i] >> x[i] >> r[i];
    }

    for (int i = 1; i <= q; i += SZ) {
        int X = i, Y = min(q, i + SZ - 1);
        vector <int> ask, up;
        for (int j = X; j <= Y; j++) {
            if (t[j] == 2) {
                ask.pb(j);
            } else {
                up.pb(j);
                change[cov(x[j], y[j])] = 1;
            }
        }

        for (int j = X; j <= Y; j++) {
            if (t[j] == 1) {
                P[cov(x[j], y[j])] = r[j];
            } else {
                save[j - X].clear();
                for (auto t : up) {
                    save[j - X].pb({cov(x[t], y[t]), P[cov(x[t], y[t])]});
                }
            }
        }

        sort(all(ask), [&](int a, int b) { return r[a] < r[b]; });
        for (int j = 1; j <= n * m; j++) {
            mp[j].clear();
            if (change[j] == 0) {
                cc[j] = 1;
                mp[j][P[j]]++;
            } else {
                cc[j] = 0;
            }

            sz[j] = 1;
            p[j] = 0;
        }

        int j = 0;
        for (auto id : ask) {
            while (j < sz(edge) && r[id] >= edge[j][0]) {
                unite(edge[j][1], edge[j][2]);
                j++;
            }

            for (auto t : save[id - X]) {
                upd(t.f, t.s);
            }

            if (r[id] >= L[cov(x[id], y[id])])
                ans[id] = cc[get(cov(x[id], y[id]))];

            rollback();
        }

        for (auto id : up)
            change[cov(x[id], y[id])] = 0;
    }

    for (int i = 1; i <= q; i++) {
        if (t[i] == 2) {
            cout << ans[i] << "\n";
        }
    }

    return 0;
}

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

    int t = 1;
    //cin >> t;

    while (t--) {
        solve();
        //cout << solve() << '\n';
    }

    return 0;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 61 ms 23540 KB Output is correct
2 Correct 75 ms 24628 KB Output is correct
3 Correct 68 ms 24200 KB Output is correct
4 Correct 58 ms 24072 KB Output is correct
5 Correct 68 ms 24648 KB Output is correct
6 Correct 55 ms 23864 KB Output is correct
7 Correct 69 ms 24580 KB Output is correct
8 Correct 67 ms 24576 KB Output is correct
9 Correct 72 ms 24580 KB Output is correct
10 Correct 71 ms 25092 KB Output is correct
11 Correct 84 ms 24580 KB Output is correct
12 Correct 73 ms 25352 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 75 ms 22592 KB Output is correct
2 Correct 73 ms 22788 KB Output is correct
3 Correct 60 ms 23088 KB Output is correct
4 Correct 64 ms 24576 KB Output is correct
5 Correct 67 ms 24412 KB Output is correct
6 Correct 69 ms 24092 KB Output is correct
7 Correct 108 ms 25984 KB Output is correct
8 Correct 109 ms 26296 KB Output is correct
9 Correct 97 ms 25340 KB Output is correct
10 Correct 117 ms 28156 KB Output is correct
11 Correct 106 ms 27132 KB Output is correct
12 Correct 110 ms 29176 KB Output is correct

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1899 ms 39412 KB Output is correct
2 Execution timed out 5033 ms 87736 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #4
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 61 ms 23540 KB Output is correct
2 Correct 75 ms 24628 KB Output is correct
3 Correct 68 ms 24200 KB Output is correct
4 Correct 58 ms 24072 KB Output is correct
5 Correct 68 ms 24648 KB Output is correct
6 Correct 55 ms 23864 KB Output is correct
7 Correct 69 ms 24580 KB Output is correct
8 Correct 67 ms 24576 KB Output is correct
9 Correct 72 ms 24580 KB Output is correct
10 Correct 71 ms 25092 KB Output is correct
11 Correct 84 ms 24580 KB Output is correct
12 Correct 73 ms 25352 KB Output is correct
13 Correct 2017 ms 39564 KB Output is correct
14 Execution timed out 5036 ms 87492 KB Time limit exceeded
15 Halted 0 ms 0 KB -

Subtask #5
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 61 ms 23540 KB Output is correct
2 Correct 75 ms 24628 KB Output is correct
3 Correct 68 ms 24200 KB Output is correct
4 Correct 58 ms 24072 KB Output is correct
5 Correct 68 ms 24648 KB Output is correct
6 Correct 55 ms 23864 KB Output is correct
7 Correct 69 ms 24580 KB Output is correct
8 Correct 67 ms 24576 KB Output is correct
9 Correct 72 ms 24580 KB Output is correct
10 Correct 71 ms 25092 KB Output is correct
11 Correct 84 ms 24580 KB Output is correct
12 Correct 73 ms 25352 KB Output is correct
13 Correct 75 ms 22592 KB Output is correct
14 Correct 73 ms 22788 KB Output is correct
15 Correct 60 ms 23088 KB Output is correct
16 Correct 64 ms 24576 KB Output is correct
17 Correct 67 ms 24412 KB Output is correct
18 Correct 69 ms 24092 KB Output is correct
19 Correct 108 ms 25984 KB Output is correct
20 Correct 109 ms 26296 KB Output is correct
21 Correct 97 ms 25340 KB Output is correct
22 Correct 117 ms 28156 KB Output is correct
23 Correct 106 ms 27132 KB Output is correct
24 Correct 110 ms 29176 KB Output is correct
25 Correct 1899 ms 39412 KB Output is correct
26 Execution timed out 5033 ms 87736 KB Time limit exceeded
27 Halted 0 ms 0 KB -