oj.uz

Submission #323888

# Submission time Handle Problem Language Result Execution time Memory
323888 2020-11-15T05:43:56 Z wind_reaper Pilot (NOI19_pilot) C++17
100 / 100
 706 ms 52396 KB 
// #define _GLIBCXX_DEBUG
// #pragma GCC optimize "trapv"
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <chrono>

// #pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math")
// pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")

using namespace std;
using namespace __gnu_pbds;
using namespace chrono;

#define pb push_back 
#define f first
#define s second
#define min3(a, b, c) min(min(a, b), c)
#define max3(a, b, c) max(max(a, b), c)
#define all(v) v.begin(), v.end()

typedef long long ll;
typedef double ld;
typedef long double lld;
typedef unsigned long long ull;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<pii> vpi;
typedef vector<pll> vpl;

template <class T> using ordered_set = tree <T, null_type, less <T>, rb_tree_tag, tree_order_statistics_node_update>;

// const int INF = 1e9;
const ll INF = 1e18;
const ll mod = 1000000007;
// const ll mod = 998244353;
struct DSU{
    vl e;
    vector<bool> active;
    ll ans; 
    void init(int n){
        e = vl(n, -1); 
        ans = 0;
        active = vector<bool>(n, 0);
    }

    int get(int x){
        return (e[x] < 0 ? x : e[x] = get(e[x])); 
    }

    bool same_set(int x, int y){
        return get(x) == get(y);
    }

    ll sz(int x){
        return -e[get(x)];
    }

    ll fx(int x){
        return 1LL*sz(x)*(sz(x) + 1)/2;
    }
    bool unite(int x, int y){
        x = get(x), y = get(y);
        if(!active[x]){
            active[x] = 1;
            ans += fx(x);
        }
        if(!active[y] || x == y) return false;

        if(e[x] > e[y])
            swap(x, y);

        ans -= fx(x) + fx(y);
        e[x] += e[y];
        e[y] = x;
        ans += fx(x); 

        return true;
    }

};  
void solve(int tc){
    int n, q;
    cin >> n >> q;

    vpi a(n);
    for(int i = 0; i < n; i++){
        cin >> a[i].f;
        a[i].s = i; 
    }

    sort(all(a)); 

    vpi query(q);
    for(int i = 0; i < q; i++){
        cin >> query[i].f;
        query[i].s = i;
    }

    sort(all(query)); 

    vl ans(q); 

    DSU s;
    s.init(n);
    int j = 0;
    for(const auto&[plane, idx] : query){
        while(j < n && a[j].first <= plane){
            int cur = a[j].second;
            int prev = cur - 1; 
            int next = cur + 1;
            if(prev >= 0) s.unite(cur, prev);
            if(next < n) s.unite(cur, next);
            j++;
        }

        ans[idx] = s.ans; 
    }

    for(auto& x : ans)
        cout << x << ' ';
}

int main(){
    ios_base::sync_with_stdio(NULL);
    cin.tie(NULL);
    #ifdef LOCAL
        auto begin = high_resolution_clock::now();
    #endif

    int tc = 1;
    // cin >> tc; 
    for (int t = 0; t < tc; t++) solve(t);
    
    #ifdef LOCAL 
        auto end = high_resolution_clock::now();
        cout << fixed << setprecision(4) << "Execution Time: " << duration_cast<duration<double>>(end - begin).count() << "seconds" << endl;
    #endif
    return 0;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 512 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 512 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 512 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 1900 KB Output is correct
2 Correct 23 ms 1900 KB Output is correct
3 Correct 22 ms 1772 KB Output is correct
4 Correct 21 ms 1772 KB Output is correct
5 Correct 28 ms 1772 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 43 ms 4204 KB Output is correct
2 Correct 44 ms 5484 KB Output is correct
3 Correct 54 ms 5508 KB Output is correct
4 Correct 51 ms 5484 KB Output is correct
5 Correct 43 ms 5376 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 4332 KB Output is correct
2 Correct 44 ms 5484 KB Output is correct
3 Correct 47 ms 5612 KB Output is correct
4 Correct 45 ms 5740 KB Output is correct
5 Correct 50 ms 5868 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 23 ms 1900 KB Output is correct
12 Correct 23 ms 1900 KB Output is correct
13 Correct 22 ms 1772 KB Output is correct
14 Correct 21 ms 1772 KB Output is correct
15 Correct 28 ms 1772 KB Output is correct
16 Correct 21 ms 2412 KB Output is correct
17 Correct 20 ms 2668 KB Output is correct
18 Correct 20 ms 2540 KB Output is correct
19 Correct 40 ms 2432 KB Output is correct
20 Correct 20 ms 2540 KB Output is correct
21 Correct 25 ms 2284 KB Output is correct
22 Correct 22 ms 2412 KB Output is correct
23 Correct 24 ms 2540 KB Output is correct
24 Correct 18 ms 2412 KB Output is correct
25 Correct 20 ms 2412 KB Output is correct

Subtask #9
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 512 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 23 ms 1900 KB Output is correct
27 Correct 23 ms 1900 KB Output is correct
28 Correct 22 ms 1772 KB Output is correct
29 Correct 21 ms 1772 KB Output is correct
30 Correct 28 ms 1772 KB Output is correct
31 Correct 43 ms 4204 KB Output is correct
32 Correct 44 ms 5484 KB Output is correct
33 Correct 54 ms 5508 KB Output is correct
34 Correct 51 ms 5484 KB Output is correct
35 Correct 43 ms 5376 KB Output is correct
36 Correct 42 ms 4332 KB Output is correct
37 Correct 44 ms 5484 KB Output is correct
38 Correct 47 ms 5612 KB Output is correct
39 Correct 45 ms 5740 KB Output is correct
40 Correct 50 ms 5868 KB Output is correct
41 Correct 21 ms 2412 KB Output is correct
42 Correct 20 ms 2668 KB Output is correct
43 Correct 20 ms 2540 KB Output is correct
44 Correct 40 ms 2432 KB Output is correct
45 Correct 20 ms 2540 KB Output is correct
46 Correct 25 ms 2284 KB Output is correct
47 Correct 22 ms 2412 KB Output is correct
48 Correct 24 ms 2540 KB Output is correct
49 Correct 18 ms 2412 KB Output is correct
50 Correct 20 ms 2412 KB Output is correct
51 Correct 52 ms 5356 KB Output is correct
52 Correct 71 ms 5356 KB Output is correct
53 Correct 60 ms 5356 KB Output is correct
54 Correct 64 ms 5228 KB Output is correct
55 Correct 74 ms 5356 KB Output is correct

Subtask #10
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 512 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 23 ms 1900 KB Output is correct
27 Correct 23 ms 1900 KB Output is correct
28 Correct 22 ms 1772 KB Output is correct
29 Correct 21 ms 1772 KB Output is correct
30 Correct 28 ms 1772 KB Output is correct
31 Correct 43 ms 4204 KB Output is correct
32 Correct 44 ms 5484 KB Output is correct
33 Correct 54 ms 5508 KB Output is correct
34 Correct 51 ms 5484 KB Output is correct
35 Correct 43 ms 5376 KB Output is correct
36 Correct 42 ms 4332 KB Output is correct
37 Correct 44 ms 5484 KB Output is correct
38 Correct 47 ms 5612 KB Output is correct
39 Correct 45 ms 5740 KB Output is correct
40 Correct 50 ms 5868 KB Output is correct
41 Correct 21 ms 2412 KB Output is correct
42 Correct 20 ms 2668 KB Output is correct
43 Correct 20 ms 2540 KB Output is correct
44 Correct 40 ms 2432 KB Output is correct
45 Correct 20 ms 2540 KB Output is correct
46 Correct 25 ms 2284 KB Output is correct
47 Correct 22 ms 2412 KB Output is correct
48 Correct 24 ms 2540 KB Output is correct
49 Correct 18 ms 2412 KB Output is correct
50 Correct 20 ms 2412 KB Output is correct
51 Correct 52 ms 5356 KB Output is correct
52 Correct 71 ms 5356 KB Output is correct
53 Correct 60 ms 5356 KB Output is correct
54 Correct 64 ms 5228 KB Output is correct
55 Correct 74 ms 5356 KB Output is correct
56 Correct 706 ms 51360 KB Output is correct
57 Correct 641 ms 50656 KB Output is correct
58 Correct 611 ms 48108 KB Output is correct
59 Correct 616 ms 49124 KB Output is correct
60 Correct 658 ms 52396 KB Output is correct