Submission #1024777

# Submission time Handle Problem Language Result Execution time Memory
1024777 2024-07-16T10:15:30 Z vjudge1 Rarest Insects (IOI22_insects) C++17
46 / 100
118 ms 980 KB
#include "insects.h"
#include <bits/stdc++.h>

#define ll long long
#define sz(s) (int)s.size()
#define pb push_back
#define in insert
#define lb lower_bound
#define ub upper_bound

using namespace std;

const int MAX=2e5+10;

vector<int> a;
int cnt[MAX];
set<int> st;

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

int rnd(int l,int r){
    return rng()%(r-l+1)+l;
}

void solve(int l,int r,vector<int> b){
    if(b.empty())return;
    if(l==r){
        cnt[l]+=sz(b);
        return;
    }
    int m=rnd(l,r);
    while(st.ub(m)!=st.end()&&*st.ub(m)<=r){
        move_outside(a[*st.ub(m)]);
        st.erase(st.ub(m));
    }
    vector<int> L,R;
    for(int i=l;i<=m;i++){
        if(!st.count(i))move_inside(a[i]);
        st.in(i);
    }
    for(int i:b){
        move_inside(i);
        if(press_button()==2)L.pb(i);
        else R.pb(i);
        move_outside(i);
    }
    solve(l,m,L);
    solve(m+1,r,R);
}

int min_cardinality(int N){
    vector<int> b;
    for(int i=0;i<N;i++){
        move_inside(i);
        if(press_button()==2){
            b.pb(i);
            move_outside(i);
        }
        else{
            st.in(sz(a));
            a.pb(i);
        }
    }
    solve(0,sz(a)-1,b);
    int ans=N;
    for(int i=0;i<sz(a);i++)ans=min(ans,cnt[i]+1);
    return ans;
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 5 ms 344 KB Output is correct
9 Correct 5 ms 344 KB Output is correct
10 Correct 3 ms 344 KB Output is correct
11 Correct 6 ms 344 KB Output is correct
12 Correct 5 ms 456 KB Output is correct
13 Correct 5 ms 600 KB Output is correct
14 Correct 3 ms 344 KB Output is correct
15 Correct 3 ms 444 KB Output is correct
16 Correct 5 ms 344 KB Output is correct
17 Correct 4 ms 344 KB Output is correct
18 Correct 7 ms 344 KB Output is correct
19 Correct 10 ms 452 KB Output is correct
20 Correct 5 ms 344 KB Output is correct
21 Correct 7 ms 344 KB Output is correct
22 Correct 5 ms 716 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 5 ms 344 KB Output is correct
9 Correct 5 ms 344 KB Output is correct
10 Correct 3 ms 344 KB Output is correct
11 Correct 6 ms 344 KB Output is correct
12 Correct 5 ms 456 KB Output is correct
13 Correct 5 ms 600 KB Output is correct
14 Correct 3 ms 344 KB Output is correct
15 Correct 3 ms 444 KB Output is correct
16 Correct 5 ms 344 KB Output is correct
17 Correct 4 ms 344 KB Output is correct
18 Correct 7 ms 344 KB Output is correct
19 Correct 10 ms 452 KB Output is correct
20 Correct 5 ms 344 KB Output is correct
21 Correct 7 ms 344 KB Output is correct
22 Correct 5 ms 716 KB Output is correct
23 Correct 4 ms 344 KB Output is correct
24 Correct 8 ms 456 KB Output is correct
25 Correct 46 ms 344 KB Output is correct
26 Correct 50 ms 724 KB Output is correct
27 Correct 39 ms 452 KB Output is correct
28 Correct 19 ms 600 KB Output is correct
29 Correct 36 ms 456 KB Output is correct
30 Correct 53 ms 692 KB Output is correct
31 Correct 22 ms 716 KB Output is correct
32 Correct 46 ms 600 KB Output is correct
33 Correct 34 ms 464 KB Output is correct
34 Correct 45 ms 700 KB Output is correct
35 Correct 41 ms 848 KB Output is correct
36 Correct 60 ms 452 KB Output is correct
37 Correct 45 ms 596 KB Output is correct
38 Correct 63 ms 708 KB Output is correct
39 Correct 79 ms 720 KB Output is correct
40 Correct 37 ms 592 KB Output is correct
41 Correct 37 ms 600 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 14 ms 456 KB Output is correct
8 Correct 9 ms 344 KB Output is correct
9 Partially correct 93 ms 600 KB Output is partially correct
10 Partially correct 110 ms 716 KB Output is partially correct
11 Correct 15 ms 344 KB Output is correct
12 Partially correct 56 ms 604 KB Output is partially correct
13 Partially correct 39 ms 604 KB Output is partially correct
14 Partially correct 106 ms 704 KB Output is partially correct
15 Partially correct 62 ms 712 KB Output is partially correct
16 Partially correct 81 ms 692 KB Output is partially correct
17 Partially correct 83 ms 944 KB Output is partially correct
18 Partially correct 73 ms 592 KB Output is partially correct
19 Partially correct 118 ms 796 KB Output is partially correct
20 Partially correct 94 ms 736 KB Output is partially correct
21 Partially correct 87 ms 764 KB Output is partially correct
22 Partially correct 113 ms 760 KB Output is partially correct
23 Partially correct 111 ms 768 KB Output is partially correct
24 Partially correct 111 ms 600 KB Output is partially correct
25 Partially correct 85 ms 600 KB Output is partially correct
26 Partially correct 87 ms 600 KB Output is partially correct
27 Partially correct 116 ms 980 KB Output is partially correct
28 Partially correct 113 ms 744 KB Output is partially correct
29 Partially correct 103 ms 512 KB Output is partially correct
30 Partially correct 83 ms 848 KB Output is partially correct
31 Partially correct 90 ms 744 KB Output is partially correct
32 Partially correct 105 ms 856 KB Output is partially correct
33 Partially correct 96 ms 724 KB Output is partially correct
34 Partially correct 112 ms 520 KB Output is partially correct
35 Partially correct 103 ms 744 KB Output is partially correct
36 Partially correct 105 ms 720 KB Output is partially correct
37 Partially correct 108 ms 544 KB Output is partially correct
38 Partially correct 109 ms 848 KB Output is partially correct
39 Partially correct 115 ms 732 KB Output is partially correct
40 Partially correct 114 ms 756 KB Output is partially correct
41 Partially correct 100 ms 748 KB Output is partially correct
42 Partially correct 73 ms 728 KB Output is partially correct
43 Partially correct 13 ms 344 KB Output is partially correct
44 Correct 25 ms 468 KB Output is correct
45 Correct 27 ms 944 KB Output is correct
46 Partially correct 36 ms 744 KB Output is partially correct
47 Partially correct 39 ms 788 KB Output is partially correct
48 Partially correct 74 ms 772 KB Output is partially correct