oj.uz

Submission #210321

# Submission time Handle Problem Language Result Execution time Memory
210321 2020-03-17T03:37:18 Z 2qbingxuan Bubble Sort 2 (JOI18_bubblesort2) C++14
38 / 100
 9000 ms 1784 KB 
//#include "bubblesort2.h"

#include <bits/stdc++.h>
#define pb emplace_back
#define get_pos(u,x) (lower_bound(begin(u),end(u),x) - begin(u))
using namespace std;

vector<int> countScans(vector<int> A, vector<int> X, vector<int> V) {
    int n = A.size(), q = X.size();
    //vector<tuple<int,int,int>> evt;
    /*for(int i = 0; i < n; i++)
        evt.pb(i, i, A[i]);
    for(int i = 0; i < q; i++)
        evt.pb(i+n, X[i]-1, V[i]);
    CDQ(evt);*/
    vector<int> u;
    for(int i = 0; i < n; i++) u.pb(A[i]);
    for(int i = 0; i < q; i++) u.pb(V[i]);
    sort(u.begin(), u.end());
    u.erase(unique(u.begin(), u.end()), u.end());
    for(int i = 0; i < n; i++) A[i] = get_pos(u, A[i]) + 1;
    for(int i = 0; i < q; i++) V[i] = get_pos(u, V[i]) + 1;
    vector<int> cnt(u.size()+1);
    auto modify = [&](int p, int d) {
        for(; p < int(cnt.size()); p += p&-p) cnt[p] += d;
    };
    auto query = [&](int p) {
        int res = 0;
        for(; p; p -= p&-p) res += cnt[p];
        return res;
    };
    vector<int> Q;
    for(int i = 0; i < q; i++) {
        A[X[i]] = V[i];
        int ans = 0;
        //cout << "A: "; for(int x: A) cout << x << ' '; cout << '\n';
        for(int i = 0; i < int(cnt.size()); i++) cnt[i] = 0;
        for(int i = 0; i < n; i++) {
            //for(int i = 1; i < int(cnt.size()); i++) cout << query(i)-query(i-1) << ' '; cout << '\n';
            ans = max(ans, i - query(A[i]));
            modify(A[i], 1);
        }
        Q.pb(ans);
    }
    return Q;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 376 KB Output is correct
2 Correct 23 ms 376 KB Output is correct
3 Correct 110 ms 504 KB Output is correct
4 Correct 110 ms 492 KB Output is correct
5 Correct 109 ms 504 KB Output is correct
6 Correct 106 ms 504 KB Output is correct
7 Correct 108 ms 380 KB Output is correct
8 Correct 108 ms 504 KB Output is correct
9 Correct 109 ms 504 KB Output is correct
10 Correct 102 ms 504 KB Output is correct
11 Correct 104 ms 504 KB Output is correct
12 Correct 106 ms 488 KB Output is correct
13 Correct 103 ms 504 KB Output is correct
14 Correct 104 ms 504 KB Output is correct
15 Correct 103 ms 504 KB Output is correct
16 Correct 102 ms 504 KB Output is correct
17 Correct 104 ms 504 KB Output is correct
18 Correct 104 ms 504 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 376 KB Output is correct
2 Correct 23 ms 376 KB Output is correct
3 Correct 110 ms 504 KB Output is correct
4 Correct 110 ms 492 KB Output is correct
5 Correct 109 ms 504 KB Output is correct
6 Correct 106 ms 504 KB Output is correct
7 Correct 108 ms 380 KB Output is correct
8 Correct 108 ms 504 KB Output is correct
9 Correct 109 ms 504 KB Output is correct
10 Correct 102 ms 504 KB Output is correct
11 Correct 104 ms 504 KB Output is correct
12 Correct 106 ms 488 KB Output is correct
13 Correct 103 ms 504 KB Output is correct
14 Correct 104 ms 504 KB Output is correct
15 Correct 103 ms 504 KB Output is correct
16 Correct 102 ms 504 KB Output is correct
17 Correct 104 ms 504 KB Output is correct
18 Correct 104 ms 504 KB Output is correct
19 Correct 1464 ms 888 KB Output is correct
20 Correct 1866 ms 888 KB Output is correct
21 Correct 1851 ms 932 KB Output is correct
22 Correct 1838 ms 888 KB Output is correct
23 Correct 1745 ms 864 KB Output is correct
24 Correct 1736 ms 888 KB Output is correct
25 Correct 1725 ms 888 KB Output is correct
26 Correct 1721 ms 888 KB Output is correct
27 Correct 1723 ms 888 KB Output is correct
28 Correct 1726 ms 888 KB Output is correct

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1102 ms 760 KB Output is correct
2 Execution timed out 9082 ms 1784 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #4
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 376 KB Output is correct
2 Correct 23 ms 376 KB Output is correct
3 Correct 110 ms 504 KB Output is correct
4 Correct 110 ms 492 KB Output is correct
5 Correct 109 ms 504 KB Output is correct
6 Correct 106 ms 504 KB Output is correct
7 Correct 108 ms 380 KB Output is correct
8 Correct 108 ms 504 KB Output is correct
9 Correct 109 ms 504 KB Output is correct
10 Correct 102 ms 504 KB Output is correct
11 Correct 104 ms 504 KB Output is correct
12 Correct 106 ms 488 KB Output is correct
13 Correct 103 ms 504 KB Output is correct
14 Correct 104 ms 504 KB Output is correct
15 Correct 103 ms 504 KB Output is correct
16 Correct 102 ms 504 KB Output is correct
17 Correct 104 ms 504 KB Output is correct
18 Correct 104 ms 504 KB Output is correct
19 Correct 1464 ms 888 KB Output is correct
20 Correct 1866 ms 888 KB Output is correct
21 Correct 1851 ms 932 KB Output is correct
22 Correct 1838 ms 888 KB Output is correct
23 Correct 1745 ms 864 KB Output is correct
24 Correct 1736 ms 888 KB Output is correct
25 Correct 1725 ms 888 KB Output is correct
26 Correct 1721 ms 888 KB Output is correct
27 Correct 1723 ms 888 KB Output is correct
28 Correct 1726 ms 888 KB Output is correct
29 Correct 1102 ms 760 KB Output is correct
30 Execution timed out 9082 ms 1784 KB Time limit exceeded
31 Halted 0 ms 0 KB -