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Submission #411436

# Submission time Handle Problem Language Result Execution time Memory
411436 2021-05-25T10:15:55 Z SolarSystem Fortune Telling 2 (JOI14_fortune_telling2) C++17
100 / 100
 2636 ms 80424 KB 
#include <bits/stdc++.h>

using namespace std;

using ll           = long long;
using ld           = long double;
using pii          = pair<int, int>;
using pll          = pair<long, long>;
using vi           = vector<int>;
using vl           = vector<long long>;

#define pb             push_back
#define F              first
#define S              second
#define sz(a)          int((a).size())
#define all(a)         (a).begin(), (a).end()
#define rall(a)        (a).rbegin(), (a).rend()
#define sum(a)         ( accumulate((a).begin(), (a).end(), 0LL))
#define lowb(a, x)     ( lower_bound((a).begin(), (a).end(), (x)) - (a).begin())
#define uppb(a, x)     ( upper_bound((a).begin(), (a).end(), (x)) - (a).begin())
#define yes            cout << "YES" << endl
#define no             cout << "NO"  << endl

void fastIO() { ios_base::sync_with_stdio(false); cin.tie(NULL); }

const ll mod = 1e9 + 7;

struct WaveletTree {
    vi b;
    int lo, hi;
    WaveletTree *l, *r;

    WaveletTree (int *i, int *j, int x, int y) {
        lo = x, hi = y;
        if (lo == hi) return;

        int mid = (lo + hi) / 2;
        b.pb(0);
        for (auto it = i; it != j; it++) {
            b.pb(b.back() + (*it <= mid));
        }

        auto k = stable_partition(i, j, [mid] (int x) {return x <= mid;});

        if (i < k) l = new WaveletTree(i, k, lo, mid);
        if (k < j) r = new WaveletTree(k, j, mid + 1, hi);
    }

    int query(int l, int r, int k) {
        if (l > r || k < lo) return 0;
        if (hi <= k) return r - l + 1;

        int lb = b[l - 1], rb = b[r];
        return this->l->query(lb + 1, rb, k) + this->r->query(l - lb, r - rb, k);
    }

    int query(int l, int r, int x, int y) {
        l++; r++;

        if (y < x) return 0;
        return query(l, r, y) - query(l, r, x - 1);
    }
};

void solve() {
    int n, k;
    cin >> n >> k;

    vi a(n), b(n);
    for (int i = 0; i < n; i++) {
        cin >> a[i] >> b[i];
    }

    int t[k];
    for (int &u: t) cin >> u;

    vi c;
    for (int u: a) c.pb(u);
    for (int u: b) c.pb(u);
    for (int u: t) c.pb(u);

    sort(all(c));
    c.resize(unique(all(c)) - c.begin());
    for (int &u: a) {
        u = lowb(c, u);
    }
    for (int &u: b) {
        u = lowb(c, u);
    }
    for (int &u: t) {
        u = lowb(c, u);
    }

    WaveletTree T(t, t + k, 0, 6e5);

    ll ans = 0;
    for (int i = 0; i < n; i++) {
        int x = T.query(0, k - 1, min(a[i], b[i]), max(a[i], b[i]) - 1);

        if (x == 0) {
            if (T.query(0, k - 1, max(a[i], b[i]), 1e9) % 2) {
                ans += c[b[i]];
            } else {
                ans += c[a[i]];
            }
        } else {
            int l = -1, r = k - 1;

            while (l + 1 < r) {
                int m = (l + r) / 2;

                if (T.query(0, m, min(a[i], b[i]), max(a[i], b[i]) - 1) == x) {
                    r = m;
                } else {
                    l = m;
                }
            }

            if (T.query(r + 1, k - 1, max(a[i], b[i]), 1e9) % 2) {
                ans += c[min(a[i], b[i])];
            } else {
                ans += c[max(a[i], b[i])];
            }
        }
    }

    cout << ans;
}

int main() {
    fastIO();

    cout << setprecision(15) << fixed;

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

    while (t--) solve();

    return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 588 KB Output is correct
2 Correct 5 ms 588 KB Output is correct
3 Correct 8 ms 716 KB Output is correct
4 Correct 7 ms 716 KB Output is correct
5 Correct 7 ms 640 KB Output is correct
6 Correct 6 ms 712 KB Output is correct
7 Correct 6 ms 716 KB Output is correct
8 Correct 6 ms 584 KB Output is correct
9 Correct 4 ms 588 KB Output is correct
10 Correct 7 ms 460 KB Output is correct
11 Correct 6 ms 588 KB Output is correct
12 Correct 6 ms 588 KB Output is correct
13 Correct 6 ms 588 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 588 KB Output is correct
2 Correct 5 ms 588 KB Output is correct
3 Correct 8 ms 716 KB Output is correct
4 Correct 7 ms 716 KB Output is correct
5 Correct 7 ms 640 KB Output is correct
6 Correct 6 ms 712 KB Output is correct
7 Correct 6 ms 716 KB Output is correct
8 Correct 6 ms 584 KB Output is correct
9 Correct 4 ms 588 KB Output is correct
10 Correct 7 ms 460 KB Output is correct
11 Correct 6 ms 588 KB Output is correct
12 Correct 6 ms 588 KB Output is correct
13 Correct 6 ms 588 KB Output is correct
14 Correct 78 ms 4304 KB Output is correct
15 Correct 170 ms 8272 KB Output is correct
16 Correct 268 ms 12128 KB Output is correct
17 Correct 409 ms 16116 KB Output is correct
18 Correct 374 ms 16112 KB Output is correct
19 Correct 387 ms 16120 KB Output is correct
20 Correct 386 ms 16248 KB Output is correct
21 Correct 341 ms 14812 KB Output is correct
22 Correct 299 ms 13476 KB Output is correct
23 Correct 297 ms 11780 KB Output is correct
24 Correct 291 ms 11104 KB Output is correct
25 Correct 303 ms 13380 KB Output is correct
26 Correct 265 ms 13852 KB Output is correct
27 Correct 330 ms 14532 KB Output is correct
28 Correct 253 ms 14332 KB Output is correct
29 Correct 213 ms 15148 KB Output is correct

Subtask #3
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 588 KB Output is correct
2 Correct 5 ms 588 KB Output is correct
3 Correct 8 ms 716 KB Output is correct
4 Correct 7 ms 716 KB Output is correct
5 Correct 7 ms 640 KB Output is correct
6 Correct 6 ms 712 KB Output is correct
7 Correct 6 ms 716 KB Output is correct
8 Correct 6 ms 584 KB Output is correct
9 Correct 4 ms 588 KB Output is correct
10 Correct 7 ms 460 KB Output is correct
11 Correct 6 ms 588 KB Output is correct
12 Correct 6 ms 588 KB Output is correct
13 Correct 6 ms 588 KB Output is correct
14 Correct 78 ms 4304 KB Output is correct
15 Correct 170 ms 8272 KB Output is correct
16 Correct 268 ms 12128 KB Output is correct
17 Correct 409 ms 16116 KB Output is correct
18 Correct 374 ms 16112 KB Output is correct
19 Correct 387 ms 16120 KB Output is correct
20 Correct 386 ms 16248 KB Output is correct
21 Correct 341 ms 14812 KB Output is correct
22 Correct 299 ms 13476 KB Output is correct
23 Correct 297 ms 11780 KB Output is correct
24 Correct 291 ms 11104 KB Output is correct
25 Correct 303 ms 13380 KB Output is correct
26 Correct 265 ms 13852 KB Output is correct
27 Correct 330 ms 14532 KB Output is correct
28 Correct 253 ms 14332 KB Output is correct
29 Correct 213 ms 15148 KB Output is correct
30 Correct 327 ms 57228 KB Output is correct
31 Correct 777 ms 60528 KB Output is correct
32 Correct 1376 ms 69600 KB Output is correct
33 Correct 2585 ms 79668 KB Output is correct
34 Correct 203 ms 54376 KB Output is correct
35 Correct 2563 ms 79668 KB Output is correct
36 Correct 2596 ms 79544 KB Output is correct
37 Correct 2636 ms 79716 KB Output is correct
38 Correct 2558 ms 79420 KB Output is correct
39 Correct 2519 ms 79932 KB Output is correct
40 Correct 1915 ms 69264 KB Output is correct
41 Correct 2530 ms 80424 KB Output is correct
42 Correct 2515 ms 79916 KB Output is correct
43 Correct 873 ms 60720 KB Output is correct
44 Correct 913 ms 60768 KB Output is correct
45 Correct 1022 ms 60968 KB Output is correct
46 Correct 1735 ms 58556 KB Output is correct
47 Correct 1617 ms 53300 KB Output is correct
48 Correct 1959 ms 70572 KB Output is correct
49 Correct 1624 ms 70588 KB Output is correct