oj.uz

Submission #555732

# Submission time Handle Problem Language Result Execution time Memory
555732 2022-05-01T12:08:33 Z Jarif_Rahman Fortune Telling 2 (JOI14_fortune_telling2) C++17
100 / 100
 330 ms 46668 KB 
#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef long long int ll;
typedef string str;

struct sparse_table{
    vector<int> lg;
    vector<vector<int>> v;
    sparse_table(vector<int> _v){
        int n = _v.size();
        lg.resize(n+1);
        for(int i = 0; i <= n; i++) lg[i] = log2(i);
        int k = 0, p = 1;
        while(p < n) p*=2, k++;
        k++;
        v = vector<vector<int>>(n, vector<int>(k, 0));
        for(int i = 0; i < n; i++) v[i][0] = _v[i];
        for(int p = 1; p < k; p++){
            for(int i = 0; i < n; i++){
                v[i][p] = max(v[i][p], v[i][p-1]);
                if(i + (1<<(p-1)) < n) v[i][p] = max(v[i][p], v[i + (1<<(p-1))][p-1]);
            }
        }
    }
    int query(int a, int b){
        int p = lg[b-a+1];
        return max(v[a][p], v[b-(1<<p)+1][p]);
    }
};
 

struct BIT{
    int n;
    vector<int> sm;
    BIT(int _n){
        n = _n;
        sm.resize(n);
    }
    void add(int in, int x){
        in++;
        while(in <= n) sm[in-1]+=x, in+=in&-in;
    }
    int sum(int in){
        in++;
        int s = 0;
        while(in >= 1) s+=sm[in-1], in-=in&-in;
        return s;
    }
    int sum(int l, int r){
        return sum(r)-(l == 0? 0:sum(l-1));
    }
};

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

    int n, k; cin >> n >> k;

    vector<ll> A(n), B(n);
    vector<pair<ll, int>> T(k);

    for(int i = 0; i < n; i++) cin >> A[i] >> B[i];
    for(int i = 0; i < k; i++) cin >> T[i].f, T[i].sc = i;

    sort(T.begin(), T.end());
    vector<int> _T;
    for(int i = 0; i < k; i++) _T.pb(T[i].sc);

    sparse_table sp(_T);

    ll ans = 0;
    vector<vector<pair<int, int>>> sth(k);

    for(int i = 0; i < n; i++){
        auto it1 = lower_bound(T.begin(), T.end(), make_pair(min(A[i], B[i]), -1));
        auto it2 = lower_bound(T.begin(), T.end(), make_pair(max(A[i], B[i]), -1));

        if(it1 == it2){
            ans+=(T.end()-it2)%2?B[i]:A[i];
            continue;
        }
        if(it2 == T.end()){
            ans+=max(A[i], B[i]);
            continue;
        }

        sth[it2-T.begin()].pb({i, sp.query(it1-T.begin(), it2-T.begin()-1)});
    }

    BIT bit(k);

    for(int i = k-1; i >= 0; i--){
        bit.add(T[i].sc, 1);
        for(auto [in, x]: sth[i]) ans+=bit.sum(x, k-1)%2?min(A[in], B[in]):max(A[in], B[in]);
    }

    cout << ans << "\n";
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 1 ms 520 KB Output is correct
13 Correct 2 ms 468 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 1 ms 520 KB Output is correct
13 Correct 2 ms 468 KB Output is correct
14 Correct 10 ms 2260 KB Output is correct
15 Correct 20 ms 4128 KB Output is correct
16 Correct 30 ms 6684 KB Output is correct
17 Correct 40 ms 8920 KB Output is correct
18 Correct 38 ms 8908 KB Output is correct
19 Correct 40 ms 8796 KB Output is correct
20 Correct 44 ms 8960 KB Output is correct
21 Correct 35 ms 8624 KB Output is correct
22 Correct 27 ms 8376 KB Output is correct
23 Correct 27 ms 8448 KB Output is correct
24 Correct 29 ms 8512 KB Output is correct
25 Correct 26 ms 8332 KB Output is correct
26 Correct 37 ms 8480 KB Output is correct
27 Correct 35 ms 8796 KB Output is correct
28 Correct 34 ms 8860 KB Output is correct
29 Correct 33 ms 8472 KB Output is correct

Subtask #3
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 1 ms 520 KB Output is correct
13 Correct 2 ms 468 KB Output is correct
14 Correct 10 ms 2260 KB Output is correct
15 Correct 20 ms 4128 KB Output is correct
16 Correct 30 ms 6684 KB Output is correct
17 Correct 40 ms 8920 KB Output is correct
18 Correct 38 ms 8908 KB Output is correct
19 Correct 40 ms 8796 KB Output is correct
20 Correct 44 ms 8960 KB Output is correct
21 Correct 35 ms 8624 KB Output is correct
22 Correct 27 ms 8376 KB Output is correct
23 Correct 27 ms 8448 KB Output is correct
24 Correct 29 ms 8512 KB Output is correct
25 Correct 26 ms 8332 KB Output is correct
26 Correct 37 ms 8480 KB Output is correct
27 Correct 35 ms 8796 KB Output is correct
28 Correct 34 ms 8860 KB Output is correct
29 Correct 33 ms 8472 KB Output is correct
30 Correct 114 ms 36656 KB Output is correct
31 Correct 166 ms 38864 KB Output is correct
32 Correct 195 ms 41472 KB Output is correct
33 Correct 330 ms 46496 KB Output is correct
34 Correct 104 ms 35800 KB Output is correct
35 Correct 305 ms 46576 KB Output is correct
36 Correct 328 ms 46408 KB Output is correct
37 Correct 301 ms 46596 KB Output is correct
38 Correct 299 ms 46256 KB Output is correct
39 Correct 295 ms 46648 KB Output is correct
40 Correct 223 ms 45212 KB Output is correct
41 Correct 272 ms 46660 KB Output is correct
42 Correct 307 ms 46668 KB Output is correct
43 Correct 185 ms 43820 KB Output is correct
44 Correct 192 ms 44300 KB Output is correct
45 Correct 157 ms 44096 KB Output is correct
46 Correct 177 ms 44728 KB Output is correct
47 Correct 200 ms 45084 KB Output is correct
48 Correct 256 ms 46156 KB Output is correct
49 Correct 286 ms 46208 KB Output is correct