Submission #210798

# Submission time Handle Problem Language Result Execution time Memory
210798 2020-03-18T11:13:25 Z 2qbingxuan Bubble Sort 2 (JOI18_bubblesort2) C++14
60 / 100
847 ms 50048 KB
#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;
typedef long long ll;
const ll N = 500025, INF = 1e18;

struct Segtree {
    ll mx[N<<1],lz[N];
    void upd(int p, ll d) {
        mx[p] += d;
        if(p < N) lz[p] += d;
    }
    void pull(int p) {
        for(; p>1; p>>=1) mx[p>>1] = max(mx[p],mx[p^1]) + lz[p>>1];
    }
    void push(int p) {
        for(int h = __lg(N); h >= 0; h--) {
            int i = p>>h;
            if(!lz[i>>1]) continue;
            upd(i,lz[i>>1]);
            upd(i^1,lz[i>>1]);
            lz[i>>1] = 0;
        }
    }
    void add(int l, int r, ll d) {
        int L = l, R = r;
        for(l+=N,r+=N; l<r; l>>=1,r>>=1) {
            if(l&1) upd(l++, d);
            if(r&1) upd(--r, d);
        }
        pull(L+N), pull(R-1+N);
    }
    ll query(int l, int r) {
        ll res = -INF;
        push(l+N), push(r-1+N);
        for(l+=N,r+=N; l<r; l>>=1,r>>=1) {
            if(l&1) res = max(res, mx[l++]);
            if(r&1) res = max(res, mx[--r]);
        }
        return res;
    }
    void dbg() {
        cout << "-------\n";
        for(int i = 0; i < 10; i++) {
            push(i+N);
            cout << mx[i+N] << ' ';
        }
        cout << '\n';
    }
} sgt;

vector<int> countScans(vector<int> A, vector<int> X, vector<int> V) {
    int n = A.size(), q = X.size();
    vector<ll> a(n), v(q);
    {
        for(int i = 0; i < n; i++) a[i] = A[i] * N + i;
        for(int i = 0; i < q; i++) v[i] = V[i] * N + X[i];
    }
    {
        vector<ll> 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> Q;
    //sgt.init();
    for(int i = 0; i < n; i++) {
        sgt.add(a[i], a[i]+1, i);
        sgt.add(a[i]+1, N, -1);
    }
    for(int i = 0; i < q; i++) {
        int x = X[i], val = v[i];
        sgt.add(a[x],a[x]+1, -x);
        sgt.add(a[x]+1, N, 1);
        a[x] = val;
        sgt.add(a[x],a[x]+1, x);
        sgt.add(a[x]+1, N, -1);
        //sgt.dbg();
        Q.pb(sgt.query(0,N));
    }
    return Q;
}
# Verdict Execution time Memory Grader output
1 Correct 8 ms 504 KB Output is correct
2 Correct 9 ms 504 KB Output is correct
3 Correct 11 ms 760 KB Output is correct
4 Correct 11 ms 800 KB Output is correct
5 Correct 11 ms 760 KB Output is correct
6 Correct 10 ms 764 KB Output is correct
7 Correct 13 ms 760 KB Output is correct
8 Correct 11 ms 836 KB Output is correct
9 Correct 11 ms 760 KB Output is correct
10 Correct 12 ms 760 KB Output is correct
11 Correct 11 ms 632 KB Output is correct
12 Correct 10 ms 632 KB Output is correct
13 Correct 10 ms 632 KB Output is correct
14 Correct 11 ms 788 KB Output is correct
15 Correct 11 ms 760 KB Output is correct
16 Correct 10 ms 760 KB Output is correct
17 Correct 12 ms 888 KB Output is correct
18 Correct 12 ms 632 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 8 ms 504 KB Output is correct
2 Correct 9 ms 504 KB Output is correct
3 Correct 11 ms 760 KB Output is correct
4 Correct 11 ms 800 KB Output is correct
5 Correct 11 ms 760 KB Output is correct
6 Correct 10 ms 764 KB Output is correct
7 Correct 13 ms 760 KB Output is correct
8 Correct 11 ms 836 KB Output is correct
9 Correct 11 ms 760 KB Output is correct
10 Correct 12 ms 760 KB Output is correct
11 Correct 11 ms 632 KB Output is correct
12 Correct 10 ms 632 KB Output is correct
13 Correct 10 ms 632 KB Output is correct
14 Correct 11 ms 788 KB Output is correct
15 Correct 11 ms 760 KB Output is correct
16 Correct 10 ms 760 KB Output is correct
17 Correct 12 ms 888 KB Output is correct
18 Correct 12 ms 632 KB Output is correct
19 Correct 23 ms 1460 KB Output is correct
20 Correct 26 ms 1556 KB Output is correct
21 Correct 24 ms 1528 KB Output is correct
22 Correct 26 ms 1700 KB Output is correct
23 Correct 25 ms 1400 KB Output is correct
24 Correct 27 ms 1400 KB Output is correct
25 Correct 26 ms 1400 KB Output is correct
26 Correct 25 ms 1400 KB Output is correct
27 Correct 26 ms 1400 KB Output is correct
28 Correct 27 ms 1272 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 30 ms 1808 KB Output is correct
2 Correct 105 ms 3804 KB Output is correct
3 Correct 133 ms 5752 KB Output is correct
4 Correct 131 ms 5720 KB Output is correct
5 Correct 126 ms 5820 KB Output is correct
6 Correct 136 ms 5820 KB Output is correct
7 Correct 139 ms 5876 KB Output is correct
8 Correct 145 ms 5748 KB Output is correct
9 Correct 129 ms 5864 KB Output is correct
10 Correct 150 ms 4916 KB Output is correct
11 Correct 120 ms 4976 KB Output is correct
12 Correct 126 ms 4824 KB Output is correct
13 Correct 112 ms 4896 KB Output is correct
14 Correct 105 ms 4980 KB Output is correct
15 Correct 105 ms 4696 KB Output is correct
16 Correct 103 ms 4800 KB Output is correct
17 Correct 105 ms 4796 KB Output is correct
18 Correct 103 ms 4824 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 8 ms 504 KB Output is correct
2 Correct 9 ms 504 KB Output is correct
3 Correct 11 ms 760 KB Output is correct
4 Correct 11 ms 800 KB Output is correct
5 Correct 11 ms 760 KB Output is correct
6 Correct 10 ms 764 KB Output is correct
7 Correct 13 ms 760 KB Output is correct
8 Correct 11 ms 836 KB Output is correct
9 Correct 11 ms 760 KB Output is correct
10 Correct 12 ms 760 KB Output is correct
11 Correct 11 ms 632 KB Output is correct
12 Correct 10 ms 632 KB Output is correct
13 Correct 10 ms 632 KB Output is correct
14 Correct 11 ms 788 KB Output is correct
15 Correct 11 ms 760 KB Output is correct
16 Correct 10 ms 760 KB Output is correct
17 Correct 12 ms 888 KB Output is correct
18 Correct 12 ms 632 KB Output is correct
19 Correct 23 ms 1460 KB Output is correct
20 Correct 26 ms 1556 KB Output is correct
21 Correct 24 ms 1528 KB Output is correct
22 Correct 26 ms 1700 KB Output is correct
23 Correct 25 ms 1400 KB Output is correct
24 Correct 27 ms 1400 KB Output is correct
25 Correct 26 ms 1400 KB Output is correct
26 Correct 25 ms 1400 KB Output is correct
27 Correct 26 ms 1400 KB Output is correct
28 Correct 27 ms 1272 KB Output is correct
29 Correct 30 ms 1808 KB Output is correct
30 Correct 105 ms 3804 KB Output is correct
31 Correct 133 ms 5752 KB Output is correct
32 Correct 131 ms 5720 KB Output is correct
33 Correct 126 ms 5820 KB Output is correct
34 Correct 136 ms 5820 KB Output is correct
35 Correct 139 ms 5876 KB Output is correct
36 Correct 145 ms 5748 KB Output is correct
37 Correct 129 ms 5864 KB Output is correct
38 Correct 150 ms 4916 KB Output is correct
39 Correct 120 ms 4976 KB Output is correct
40 Correct 126 ms 4824 KB Output is correct
41 Correct 112 ms 4896 KB Output is correct
42 Correct 105 ms 4980 KB Output is correct
43 Correct 105 ms 4696 KB Output is correct
44 Correct 103 ms 4800 KB Output is correct
45 Correct 105 ms 4796 KB Output is correct
46 Correct 103 ms 4824 KB Output is correct
47 Correct 523 ms 18456 KB Output is correct
48 Runtime error 847 ms 50048 KB Execution killed with signal 11 (could be triggered by violating memory limits)
49 Halted 0 ms 0 KB -