oj.uz

Submission #425590

# Submission time Handle Problem Language Result Execution time Memory
425590 2021-06-13T08:03:34 Z kostia244 Fortune Telling 2 (JOI14_fortune_telling2) C++17
100 / 100
 408 ms 15636 KB 
#include<bits/stdc++.h>
#define all(x) begin(x), end(x)
using namespace std;
using ll = long long;
struct MNode { int a = -1; 
    MNode() {}
    MNode(int x) : a(x) {}
    friend MNode operator+(const MNode &a, const MNode &b) {
        return MNode(max(a.a, b.a));
    }
};
struct PNode { int a = 0;
    PNode() {}
    PNode(int x) : a(x) {}
    friend PNode operator+(const PNode &a, const PNode &b) {
        return PNode(a.a^b.a);
    }
};
template<class Node>
struct SegTree {
    int n;
    vector<Node> tree;
    SegTree(int N) : n(N), tree(2*n) {}
    void upd(int pos, Node val) {
        for(tree[pos+=n]=val;pos/=2;)
            tree[pos] = tree[2*pos]+tree[2*pos+1];
    }
    Node query(int l, int r) {
        Node res;
        for(l += n, r += n; l < r; l>>=1,r>>=1) {
            if(l&1) res = res + tree[l++];
            if(r&1) res = tree[--r] + res;
        }
        return res;
    }
};
int n, k;
vector<array<int, 2>> f, ops_sorted;
vector<int> ops, start;
int main() {
    cin.tie(0)->sync_with_stdio(0);
    cin >> n >> k;
    f.resize(n);
    start.resize(n);
    for(auto &[a, b] : f) cin >> a >> b;
    ops.resize(k);
    for(auto &i : ops) cin >> i;
    for(int i = 0; i < k; i++) ops_sorted.push_back({ops[i], i});
    for(int i = 0; i < n; i++) ops_sorted.push_back({max(f[i][0], f[i][1])-1, i|(1<<30)});
    sort(all(ops_sorted));
    SegTree<MNode> ms(k);
    for(auto [v, i] : ops_sorted) {
        if(i&(1<<30)) {
            i -= 1<<30;
            int pos = k;
            for(int z = 1<<18; z>>=1;)
                if(pos-z>=0 && ms.query(pos-z, k).a < min(f[i][0], f[i][1]))
                    pos -= z;
            start[i] = pos;
        } else {
            ms.upd(i, MNode(v));
        }
    }
    SegTree<PNode> xr(k);
    ops_sorted.clear();
    for(int i = 0; i < k; i++) ops_sorted.push_back({ops[i], i});
    for(int i = 0; i < n; i++) ops_sorted.push_back({max(f[i][0], f[i][1]), i-(1<<30)});
    sort(all(ops_sorted), greater<>());
    ll sum = 0;
    for(auto [v, i] : ops_sorted) {
        if(i<0) {
            i+=1<<30;
            if(start[i] && f[i][0] < f[i][1]) swap(f[i][0], f[i][1]);
            if(xr.query(start[i], k).a)
                swap(f[i][0], f[i][1]);
            sum += f[i][0];
        } else {
            xr.upd(i, PNode(1));
        }
    }
    cout << sum << '\n';
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 2 ms 332 KB Output is correct
4 Correct 2 ms 332 KB Output is correct
5 Correct 2 ms 332 KB Output is correct
6 Correct 2 ms 332 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 2 ms 332 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 2 ms 332 KB Output is correct
12 Correct 2 ms 332 KB Output is correct
13 Correct 2 ms 320 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 2 ms 332 KB Output is correct
4 Correct 2 ms 332 KB Output is correct
5 Correct 2 ms 332 KB Output is correct
6 Correct 2 ms 332 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 2 ms 332 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 2 ms 332 KB Output is correct
12 Correct 2 ms 332 KB Output is correct
13 Correct 2 ms 320 KB Output is correct
14 Correct 16 ms 1100 KB Output is correct
15 Correct 24 ms 1776 KB Output is correct
16 Correct 38 ms 2492 KB Output is correct
17 Correct 57 ms 3328 KB Output is correct
18 Correct 54 ms 3332 KB Output is correct
19 Correct 51 ms 3276 KB Output is correct
20 Correct 56 ms 3320 KB Output is correct
21 Correct 53 ms 3284 KB Output is correct
22 Correct 48 ms 2880 KB Output is correct
23 Correct 48 ms 2880 KB Output is correct
24 Correct 48 ms 2808 KB Output is correct
25 Correct 46 ms 2828 KB Output is correct
26 Correct 51 ms 3020 KB Output is correct
27 Correct 64 ms 3268 KB Output is correct
28 Correct 66 ms 3276 KB Output is correct
29 Correct 58 ms 3308 KB Output is correct

Subtask #3
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 2 ms 332 KB Output is correct
4 Correct 2 ms 332 KB Output is correct
5 Correct 2 ms 332 KB Output is correct
6 Correct 2 ms 332 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 2 ms 332 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 2 ms 332 KB Output is correct
12 Correct 2 ms 332 KB Output is correct
13 Correct 2 ms 320 KB Output is correct
14 Correct 16 ms 1100 KB Output is correct
15 Correct 24 ms 1776 KB Output is correct
16 Correct 38 ms 2492 KB Output is correct
17 Correct 57 ms 3328 KB Output is correct
18 Correct 54 ms 3332 KB Output is correct
19 Correct 51 ms 3276 KB Output is correct
20 Correct 56 ms 3320 KB Output is correct
21 Correct 53 ms 3284 KB Output is correct
22 Correct 48 ms 2880 KB Output is correct
23 Correct 48 ms 2880 KB Output is correct
24 Correct 48 ms 2808 KB Output is correct
25 Correct 46 ms 2828 KB Output is correct
26 Correct 51 ms 3020 KB Output is correct
27 Correct 64 ms 3268 KB Output is correct
28 Correct 66 ms 3276 KB Output is correct
29 Correct 58 ms 3308 KB Output is correct
30 Correct 112 ms 8244 KB Output is correct
31 Correct 151 ms 9744 KB Output is correct
32 Correct 228 ms 11588 KB Output is correct
33 Correct 317 ms 15568 KB Output is correct
34 Correct 103 ms 7856 KB Output is correct
35 Correct 330 ms 15608 KB Output is correct
36 Correct 326 ms 15504 KB Output is correct
37 Correct 388 ms 15612 KB Output is correct
38 Correct 319 ms 15488 KB Output is correct
39 Correct 318 ms 15636 KB Output is correct
40 Correct 334 ms 15308 KB Output is correct
41 Correct 399 ms 15564 KB Output is correct
42 Correct 332 ms 15540 KB Output is correct
43 Correct 288 ms 14828 KB Output is correct
44 Correct 287 ms 14900 KB Output is correct
45 Correct 280 ms 14848 KB Output is correct
46 Correct 287 ms 13644 KB Output is correct
47 Correct 302 ms 13508 KB Output is correct
48 Correct 408 ms 15580 KB Output is correct
49 Correct 390 ms 15548 KB Output is correct