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Submission #895890

# Submission time Handle Problem Language Result Execution time Memory
895890 2023-12-31T03:19:11 Z kh0i Pilot (NOI19_pilot) C++17
55 / 100
 1000 ms 31324 KB 
#include "bits/stdc++.h"
using namespace std;

using ll = long long;

const int N = 1e6 + 3;

int n, q, h[N], y[N];

namespace Sub12348{
    bool valid_input() { return n * q <= 1e7; }

    void solve(){
        for(int t = 1; t <= q; ++t){
            ll cur = 0, res = 0;
            for(int i = 1; i <= n; ++i){
                if(h[i] <= y[t])
                    ++cur;
                else{
                    res += cur * (cur + 1) / 2;
                    cur = 0;
                }
            }
            res += cur * (cur + 1) / 2;
            cout << res << '\n';
        }
    }
}

namespace Sub5{
    bool valid_input(){ return q == 1 and y[1] == 1e6; }
    void solve() { cout << 1ll * n * (n + 1) / 2; }
}

namespace Sub67{
    bool valid_input(){
        bool ok = 1;
        for(int i = 2; i <= n; ++i)
            ok &= (h[i] > h[i - 1]);
        return ok;
    }

    void solve(){
        for(int t = 1; t <= q; ++t){
            ll x = upper_bound(h + 1, h + n + 1, y[t]) - h;
            cout << x * (x + 1) / 2 << '\n';
        }
    }
}

struct DSU{
    vector<ll> p;
    ll cur;

    void init(int n){
        p.resize(n + 2, 0);
        cur = 0;
    }

    ll calc(ll x) { return x * (x + 1) / 2; }
    void make_set(int u){
        ++cur;
        p[u] = -1;
    }
    int find_set(int u) { return p[u] < 0 ? u : p[u] = find_set(p[u]); }
    void join_sets(int u, int v){
        u = find_set(u);
        v = find_set(v);
        if(u == v)
            return;
        cur -= calc(-p[u]);
        cur -= calc(-p[v]);
        if(p[u] > p[v])
            swap(u, v);
        p[u] += p[v];
        p[v] = u;
        cur += calc(-p[u]);
    }
} dsu;

bool ok[N];
vector<int> to_add[N];
ll res[N];

namespace SubFull{
    void solve(){
        dsu.init(N);
        for(int i = 1; i <= n; ++i)
            to_add[h[i]].push_back(i);
        for(int i = 1; i < N; ++i){
            for(int j = 0; j < (int)to_add[i].size(); ++j){
                int x = to_add[i][j];
                dsu.make_set(x);
                if(ok[x - 1])
                    dsu.join_sets(x - 1, x);
                if(ok[x + 1])
                    dsu.join_sets(x, x + 1);
                ok[x] = 1;
            }
            res[i] = dsu.cur;
        }

        for(int i = 1; i <= q; ++i)
            cout << res[y[i]] << '\n';
    }
}

signed main(){
    cin.tie(nullptr)->sync_with_stdio(false);

    cin >> n >> q;
    for(int i = 1; i <= n; ++i)
        cin >> h[i];
    for(int i = 1; i <= q; ++i)
        cin >> y[i];

    if(Sub12348::valid_input())
        Sub12348::solve();
    else if(Sub5::valid_input())
        Sub5::solve();
    else if(Sub67::valid_input())
        Sub67::solve();
    else
        SubFull::solve();

    return 0;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 29020 KB Output is correct
2 Correct 5 ms 29020 KB Output is correct
3 Correct 6 ms 29020 KB Output is correct
4 Correct 7 ms 29020 KB Output is correct
5 Correct 6 ms 29020 KB Output is correct
6 Correct 6 ms 29084 KB Output is correct
7 Correct 5 ms 29020 KB Output is correct
8 Correct 6 ms 29020 KB Output is correct
9 Correct 6 ms 29016 KB Output is correct
10 Correct 7 ms 29016 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 29020 KB Output is correct
2 Correct 5 ms 29020 KB Output is correct
3 Correct 6 ms 29020 KB Output is correct
4 Correct 7 ms 29020 KB Output is correct
5 Correct 6 ms 29020 KB Output is correct
6 Correct 6 ms 29084 KB Output is correct
7 Correct 5 ms 29020 KB Output is correct
8 Correct 6 ms 29020 KB Output is correct
9 Correct 6 ms 29016 KB Output is correct
10 Correct 7 ms 29016 KB Output is correct
11 Correct 7 ms 29020 KB Output is correct
12 Correct 6 ms 29020 KB Output is correct
13 Correct 6 ms 29016 KB Output is correct
14 Correct 6 ms 29020 KB Output is correct
15 Correct 7 ms 29020 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 29020 KB Output is correct
2 Correct 5 ms 29020 KB Output is correct
3 Correct 6 ms 29020 KB Output is correct
4 Correct 7 ms 29020 KB Output is correct
5 Correct 6 ms 29020 KB Output is correct
6 Correct 6 ms 29084 KB Output is correct
7 Correct 5 ms 29020 KB Output is correct
8 Correct 6 ms 29020 KB Output is correct
9 Correct 6 ms 29016 KB Output is correct
10 Correct 7 ms 29016 KB Output is correct
11 Correct 7 ms 29020 KB Output is correct
12 Correct 6 ms 29020 KB Output is correct
13 Correct 6 ms 29016 KB Output is correct
14 Correct 6 ms 29020 KB Output is correct
15 Correct 7 ms 29020 KB Output is correct
16 Correct 6 ms 29020 KB Output is correct
17 Correct 6 ms 29020 KB Output is correct
18 Correct 6 ms 29020 KB Output is correct
19 Correct 6 ms 29020 KB Output is correct
20 Correct 6 ms 29016 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 29020 KB Output is correct
2 Correct 5 ms 29020 KB Output is correct
3 Correct 6 ms 29020 KB Output is correct
4 Correct 7 ms 29020 KB Output is correct
5 Correct 6 ms 29020 KB Output is correct
6 Correct 6 ms 29084 KB Output is correct
7 Correct 5 ms 29020 KB Output is correct
8 Correct 6 ms 29020 KB Output is correct
9 Correct 6 ms 29016 KB Output is correct
10 Correct 7 ms 29016 KB Output is correct
11 Correct 7 ms 29020 KB Output is correct
12 Correct 6 ms 29020 KB Output is correct
13 Correct 6 ms 29016 KB Output is correct
14 Correct 6 ms 29020 KB Output is correct
15 Correct 7 ms 29020 KB Output is correct
16 Correct 6 ms 29020 KB Output is correct
17 Correct 6 ms 29020 KB Output is correct
18 Correct 6 ms 29020 KB Output is correct
19 Correct 6 ms 29020 KB Output is correct
20 Correct 6 ms 29016 KB Output is correct
21 Correct 7 ms 29020 KB Output is correct
22 Correct 8 ms 29020 KB Output is correct
23 Correct 8 ms 29020 KB Output is correct
24 Correct 8 ms 29020 KB Output is correct
25 Correct 7 ms 29020 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 29532 KB Output is correct
2 Correct 13 ms 29788 KB Output is correct
3 Correct 11 ms 29532 KB Output is correct
4 Correct 13 ms 29684 KB Output is correct
5 Correct 11 ms 29532 KB Output is correct

Subtask #6
0 / 9.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1046 ms 30696 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 34 ms 31324 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 29020 KB Output is correct
2 Correct 5 ms 29020 KB Output is correct
3 Correct 6 ms 29020 KB Output is correct
4 Correct 7 ms 29020 KB Output is correct
5 Correct 6 ms 29020 KB Output is correct
6 Correct 6 ms 29084 KB Output is correct
7 Correct 5 ms 29020 KB Output is correct
8 Correct 6 ms 29020 KB Output is correct
9 Correct 6 ms 29016 KB Output is correct
10 Correct 7 ms 29016 KB Output is correct
11 Correct 13 ms 29532 KB Output is correct
12 Correct 13 ms 29788 KB Output is correct
13 Correct 11 ms 29532 KB Output is correct
14 Correct 13 ms 29684 KB Output is correct
15 Correct 11 ms 29532 KB Output is correct
16 Correct 12 ms 29700 KB Output is correct
17 Correct 12 ms 29784 KB Output is correct
18 Correct 12 ms 29788 KB Output is correct
19 Correct 11 ms 29716 KB Output is correct
20 Correct 12 ms 29788 KB Output is correct
21 Correct 11 ms 29528 KB Output is correct
22 Correct 14 ms 29944 KB Output is correct
23 Correct 14 ms 29672 KB Output is correct
24 Correct 12 ms 29788 KB Output is correct
25 Correct 12 ms 29648 KB Output is correct

Subtask #9
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 29020 KB Output is correct
2 Correct 5 ms 29020 KB Output is correct
3 Correct 6 ms 29020 KB Output is correct
4 Correct 7 ms 29020 KB Output is correct
5 Correct 6 ms 29020 KB Output is correct
6 Correct 6 ms 29084 KB Output is correct
7 Correct 5 ms 29020 KB Output is correct
8 Correct 6 ms 29020 KB Output is correct
9 Correct 6 ms 29016 KB Output is correct
10 Correct 7 ms 29016 KB Output is correct
11 Correct 7 ms 29020 KB Output is correct
12 Correct 6 ms 29020 KB Output is correct
13 Correct 6 ms 29016 KB Output is correct
14 Correct 6 ms 29020 KB Output is correct
15 Correct 7 ms 29020 KB Output is correct
16 Correct 6 ms 29020 KB Output is correct
17 Correct 6 ms 29020 KB Output is correct
18 Correct 6 ms 29020 KB Output is correct
19 Correct 6 ms 29020 KB Output is correct
20 Correct 6 ms 29016 KB Output is correct
21 Correct 7 ms 29020 KB Output is correct
22 Correct 8 ms 29020 KB Output is correct
23 Correct 8 ms 29020 KB Output is correct
24 Correct 8 ms 29020 KB Output is correct
25 Correct 7 ms 29020 KB Output is correct
26 Correct 13 ms 29532 KB Output is correct
27 Correct 13 ms 29788 KB Output is correct
28 Correct 11 ms 29532 KB Output is correct
29 Correct 13 ms 29684 KB Output is correct
30 Correct 11 ms 29532 KB Output is correct
31 Execution timed out 1046 ms 30696 KB Time limit exceeded
32 Halted 0 ms 0 KB -

Subtask #10
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 29020 KB Output is correct
2 Correct 5 ms 29020 KB Output is correct
3 Correct 6 ms 29020 KB Output is correct
4 Correct 7 ms 29020 KB Output is correct
5 Correct 6 ms 29020 KB Output is correct
6 Correct 6 ms 29084 KB Output is correct
7 Correct 5 ms 29020 KB Output is correct
8 Correct 6 ms 29020 KB Output is correct
9 Correct 6 ms 29016 KB Output is correct
10 Correct 7 ms 29016 KB Output is correct
11 Correct 7 ms 29020 KB Output is correct
12 Correct 6 ms 29020 KB Output is correct
13 Correct 6 ms 29016 KB Output is correct
14 Correct 6 ms 29020 KB Output is correct
15 Correct 7 ms 29020 KB Output is correct
16 Correct 6 ms 29020 KB Output is correct
17 Correct 6 ms 29020 KB Output is correct
18 Correct 6 ms 29020 KB Output is correct
19 Correct 6 ms 29020 KB Output is correct
20 Correct 6 ms 29016 KB Output is correct
21 Correct 7 ms 29020 KB Output is correct
22 Correct 8 ms 29020 KB Output is correct
23 Correct 8 ms 29020 KB Output is correct
24 Correct 8 ms 29020 KB Output is correct
25 Correct 7 ms 29020 KB Output is correct
26 Correct 13 ms 29532 KB Output is correct
27 Correct 13 ms 29788 KB Output is correct
28 Correct 11 ms 29532 KB Output is correct
29 Correct 13 ms 29684 KB Output is correct
30 Correct 11 ms 29532 KB Output is correct
31 Execution timed out 1046 ms 30696 KB Time limit exceeded
32 Halted 0 ms 0 KB -