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Submission #427100

# Submission time Handle Problem Language Result Execution time Memory
427100 2021-06-14T12:25:28 Z Trickster Exhibition (JOI19_ho_t2) C++14
100 / 100
 486 ms 46148 KB 
//Suleyman Atayew

#include <algorithm>
#include <iostream>
#include <string.h>
#include <stdio.h>
#include <vector>
#include <bitset>
#include <queue>
#include <cmath>
#include <map>
#include <set>
 
#define N 200010
#define ff first
#define ss second
#define pb push_back
#define ll long long
#define mod 1000000007
#define pii pair <int, int>
#define sz(a) (int)(a.size())
ll bigmod(ll a, ll b) { if(b==0)return 1; ll ret = bigmod(a, b/2); return ret * ret % mod * (b%2 ? a : 1) % mod; }

using namespace std;

pii p[N];
int n, m, sz;
map <int, int> M;
int v[N];
pii T[N*4];
priority_queue <int> Q[N*4];

void upd(int pos, pii x, int l, int r, int node)
{
    if(l == r) {
        if(x.ff) {
            Q[node].push(x.ss);
            T[node] = {pos, Q[node].top()};
        } else {
            Q[node].pop();
            if(!Q[node].empty())
                T[node] = {pos, Q[node].top()};
            else 
                T[node] = {0, 0};
        }
        return;
    }

    if(pos <= (l+r)/2)
        upd(pos, x, l, (l+r)/2, node*2);
    else
        upd(pos, x, (l+r)/2+1, r, node*2+1);
    
    if(T[node*2].ss > T[node*2+1].ss)
        T[node] = T[node*2];
    else
        T[node] = T[node*2+1];
}

pii tap(int pos, int l, int r, int node)
{
    if(l > pos) return {0, 0};
    if(r <= pos) return {T[node].ss, T[node].ff};

    return max(tap(pos, l, (l+r)/2, node*2), tap(pos, (l+r)/2+1, r, node*2+1));
}

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

    cin >> n >> m;

    vector <int> E;
    for(int i = 1; i <= n; i++) {
        int a, b;
        cin >> a >> b;

        M[a] = 1;
        p[i] = {a, b};
    }

    for(int i = 1; i <= m; i++)
        cin >> v[i], M[v[i]] = 1;

    for(auto &i: M) i.ss = ++sz;

    sort(v+1, v+1+m);

    for(int i = 1; i <= n; i++)
        upd(M[p[i].ff], {1, p[i].ss}, 1, sz, 1);

    for(int i = m; i >= 0; i--) {
        int x = M[v[i]];

        pii ans = tap(x, 1, sz, 1);

        if(ans.ss == 0 || !i) {
            cout << m-i;
            return 0;
        }

        upd(ans.ss, {0, ans.ff}, 1, sz, 1);
    }
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 25292 KB Output is correct
2 Correct 15 ms 25292 KB Output is correct
3 Correct 15 ms 25292 KB Output is correct
4 Correct 16 ms 25380 KB Output is correct
5 Correct 17 ms 25388 KB Output is correct
6 Correct 15 ms 25292 KB Output is correct
7 Correct 14 ms 25292 KB Output is correct
8 Correct 15 ms 25292 KB Output is correct
9 Correct 15 ms 25364 KB Output is correct
10 Correct 15 ms 25292 KB Output is correct
11 Correct 17 ms 25292 KB Output is correct
12 Correct 14 ms 25292 KB Output is correct
13 Correct 15 ms 25364 KB Output is correct
14 Correct 14 ms 25388 KB Output is correct
15 Correct 15 ms 25308 KB Output is correct
16 Correct 18 ms 25384 KB Output is correct
17 Correct 16 ms 25300 KB Output is correct
18 Correct 15 ms 25292 KB Output is correct
19 Correct 15 ms 25380 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 25292 KB Output is correct
2 Correct 15 ms 25292 KB Output is correct
3 Correct 15 ms 25292 KB Output is correct
4 Correct 16 ms 25380 KB Output is correct
5 Correct 17 ms 25388 KB Output is correct
6 Correct 15 ms 25292 KB Output is correct
7 Correct 14 ms 25292 KB Output is correct
8 Correct 15 ms 25292 KB Output is correct
9 Correct 15 ms 25364 KB Output is correct
10 Correct 15 ms 25292 KB Output is correct
11 Correct 17 ms 25292 KB Output is correct
12 Correct 14 ms 25292 KB Output is correct
13 Correct 15 ms 25364 KB Output is correct
14 Correct 14 ms 25388 KB Output is correct
15 Correct 15 ms 25308 KB Output is correct
16 Correct 18 ms 25384 KB Output is correct
17 Correct 16 ms 25300 KB Output is correct
18 Correct 15 ms 25292 KB Output is correct
19 Correct 15 ms 25380 KB Output is correct
20 Correct 16 ms 25532 KB Output is correct
21 Correct 16 ms 25420 KB Output is correct
22 Correct 16 ms 25524 KB Output is correct
23 Correct 17 ms 25532 KB Output is correct
24 Correct 18 ms 25420 KB Output is correct
25 Correct 17 ms 25524 KB Output is correct
26 Correct 17 ms 25572 KB Output is correct
27 Correct 19 ms 25540 KB Output is correct
28 Correct 18 ms 25524 KB Output is correct
29 Correct 16 ms 25392 KB Output is correct
30 Correct 17 ms 25520 KB Output is correct
31 Correct 15 ms 25420 KB Output is correct
32 Correct 15 ms 25480 KB Output is correct
33 Correct 18 ms 25440 KB Output is correct
34 Correct 18 ms 25548 KB Output is correct
35 Correct 17 ms 25392 KB Output is correct
36 Correct 17 ms 25548 KB Output is correct
37 Correct 16 ms 25548 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 25292 KB Output is correct
2 Correct 15 ms 25292 KB Output is correct
3 Correct 15 ms 25292 KB Output is correct
4 Correct 16 ms 25380 KB Output is correct
5 Correct 17 ms 25388 KB Output is correct
6 Correct 15 ms 25292 KB Output is correct
7 Correct 14 ms 25292 KB Output is correct
8 Correct 15 ms 25292 KB Output is correct
9 Correct 15 ms 25364 KB Output is correct
10 Correct 15 ms 25292 KB Output is correct
11 Correct 17 ms 25292 KB Output is correct
12 Correct 14 ms 25292 KB Output is correct
13 Correct 15 ms 25364 KB Output is correct
14 Correct 14 ms 25388 KB Output is correct
15 Correct 15 ms 25308 KB Output is correct
16 Correct 18 ms 25384 KB Output is correct
17 Correct 16 ms 25300 KB Output is correct
18 Correct 15 ms 25292 KB Output is correct
19 Correct 15 ms 25380 KB Output is correct
20 Correct 16 ms 25532 KB Output is correct
21 Correct 16 ms 25420 KB Output is correct
22 Correct 16 ms 25524 KB Output is correct
23 Correct 17 ms 25532 KB Output is correct
24 Correct 18 ms 25420 KB Output is correct
25 Correct 17 ms 25524 KB Output is correct
26 Correct 17 ms 25572 KB Output is correct
27 Correct 19 ms 25540 KB Output is correct
28 Correct 18 ms 25524 KB Output is correct
29 Correct 16 ms 25392 KB Output is correct
30 Correct 17 ms 25520 KB Output is correct
31 Correct 15 ms 25420 KB Output is correct
32 Correct 15 ms 25480 KB Output is correct
33 Correct 18 ms 25440 KB Output is correct
34 Correct 18 ms 25548 KB Output is correct
35 Correct 17 ms 25392 KB Output is correct
36 Correct 17 ms 25548 KB Output is correct
37 Correct 16 ms 25548 KB Output is correct
38 Correct 351 ms 39316 KB Output is correct
39 Correct 117 ms 30084 KB Output is correct
40 Correct 87 ms 30020 KB Output is correct
41 Correct 220 ms 34292 KB Output is correct
42 Correct 304 ms 43968 KB Output is correct
43 Correct 263 ms 44028 KB Output is correct
44 Correct 266 ms 39264 KB Output is correct
45 Correct 394 ms 46036 KB Output is correct
46 Correct 297 ms 39320 KB Output is correct
47 Correct 394 ms 44232 KB Output is correct
48 Correct 215 ms 36804 KB Output is correct
49 Correct 330 ms 42992 KB Output is correct
50 Correct 215 ms 36188 KB Output is correct
51 Correct 277 ms 43968 KB Output is correct
52 Correct 304 ms 44148 KB Output is correct
53 Correct 310 ms 44940 KB Output is correct
54 Correct 74 ms 30012 KB Output is correct
55 Correct 486 ms 46052 KB Output is correct
56 Correct 232 ms 37952 KB Output is correct
57 Correct 88 ms 31412 KB Output is correct
58 Correct 55 ms 28720 KB Output is correct
59 Correct 242 ms 37928 KB Output is correct
60 Correct 93 ms 32760 KB Output is correct
61 Correct 211 ms 39136 KB Output is correct
62 Correct 427 ms 46012 KB Output is correct
63 Correct 412 ms 46016 KB Output is correct
64 Correct 465 ms 46148 KB Output is correct
65 Correct 444 ms 45976 KB Output is correct
66 Correct 446 ms 46072 KB Output is correct
67 Correct 455 ms 46068 KB Output is correct
68 Correct 463 ms 46068 KB Output is correct
69 Correct 292 ms 34736 KB Output is correct
70 Correct 412 ms 46068 KB Output is correct
71 Correct 160 ms 30412 KB Output is correct
72 Correct 205 ms 32084 KB Output is correct
73 Correct 108 ms 29884 KB Output is correct