oj.uz

답안 #936625

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
936625 2024-03-02T12:15:50 Z GrindMachine 드문 곤충 (IOI22_insects) C++17
58.93 / 100
 81 ms 1596 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
 
using namespace std;
using namespace __gnu_pbds;
 
template<typename T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long long int ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
 
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL)
#define pb push_back
#define endl '\n'
#define sz(a) (int)a.size()
#define setbits(x) __builtin_popcountll(x)
#define ff first
#define ss second
#define conts continue
#define ceil2(x,y) ((x+y-1)/(y))
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define yes cout << "Yes" << endl
#define no cout << "No" << endl
 
#define rep(i,n) for(int i = 0; i < n; ++i)
#define rep1(i,n) for(int i = 1; i <= n; ++i)
#define rev(i,s,e) for(int i = s; i >= e; --i)
#define trav(i,a) for(auto &i : a)
 
template<typename T>
void amin(T &a, T b) {
    a = min(a,b);
}
 
template<typename T>
void amax(T &a, T b) {
    a = max(a,b);
}
 
#ifdef LOCAL
#include "debug.h"
#else
#define debug(x) 42
#endif
 
/*
 
 
 
*/
 
const int MOD = 1e9 + 7;
const int N = 1e5 + 5;
const int inf1 = int(1e9) + 5;
const ll inf2 = ll(1e18) + 5;
 
#include "insects.h"
 
int min_cardinality(int n) {
    set<int> uniq_guys;
 
    rep(i,n){
        move_inside(i);
        int res = press_button();
        if(res >= 2){
            move_outside(i);
        }
        else{
            uniq_guys.insert(i);
        }
    }

    trav(i,uniq_guys){
        move_outside(i);
    }
    
    if(sz(uniq_guys) <= 8){
        vector<bool> marked(n);
        int ans = inf1;

        rep(iter,sz(uniq_guys)-1){
            vector<int> curr;

            rep(i,n){
                if(marked[i]) conts;
                move_inside(i);
                int res = press_button();
                if(res == sz(curr)+1){
                    curr.pb(i);
                }
                else{
                    move_outside(i);
                }
            }

            amin(ans,(int)sz(curr));

            trav(i,curr){
                move_outside(i);
                marked[i] = 1;
            }
        }

        int unmarked = count(all(marked),0);
        amin(ans,unmarked);

        return ans;
    }

    vector<bool> ignore(n);

    auto ok = [&](int mid){
        vector<int> good, bad;
 
        rev(i,n-1,0){
            if(ignore[i]) conts;
            move_inside(i);
            int res = press_button();
            if(res > mid){
                bad.pb(i);
                move_outside(i);
            }
            else{
                good.pb(i);
            }
        }
 
        trav(i,good){
            move_outside(i);
        }

        int curr_uniq = 0;
        trav(i,bad){
            curr_uniq += uniq_guys.count(i);
        }

        if(curr_uniq >= sz(uniq_guys)) return false;
            
        trav(i,bad){
            if(uniq_guys.count(i)){
                uniq_guys.erase(i);
            }
            ignore[i] = 1;
        }

        return true;        
    };
 
    int l = 1, r = n/sz(uniq_guys)-1;
    int ans = n/sz(uniq_guys);
 
    while(l <= r){
        int mid = (l+r) >> 1;
        // is min <= mid?
        if(ok(mid)){
            ans = mid;
            r = mid-1;
        }
        else{
            l = mid+1;
        }
    }
 
    return ans;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 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 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 4 ms 600 KB Output is correct
9 Correct 3 ms 596 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 2 ms 600 KB Output is correct
14 Correct 4 ms 344 KB Output is correct
15 Correct 4 ms 344 KB Output is correct
16 Correct 4 ms 600 KB Output is correct
17 Correct 4 ms 600 KB Output is correct
18 Correct 3 ms 600 KB Output is correct
19 Correct 3 ms 344 KB Output is correct
20 Correct 2 ms 600 KB Output is correct
21 Correct 2 ms 600 KB Output is correct
22 Correct 1 ms 600 KB Output is correct

Subtask #2
15.0 / 15.0

# 결과 실행 시간 메모리 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 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 4 ms 600 KB Output is correct
9 Correct 3 ms 596 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 2 ms 600 KB Output is correct
14 Correct 4 ms 344 KB Output is correct
15 Correct 4 ms 344 KB Output is correct
16 Correct 4 ms 600 KB Output is correct
17 Correct 4 ms 600 KB Output is correct
18 Correct 3 ms 600 KB Output is correct
19 Correct 3 ms 344 KB Output is correct
20 Correct 2 ms 600 KB Output is correct
21 Correct 2 ms 600 KB Output is correct
22 Correct 1 ms 600 KB Output is correct
23 Correct 5 ms 344 KB Output is correct
24 Correct 5 ms 700 KB Output is correct
25 Correct 28 ms 924 KB Output is correct
26 Correct 19 ms 856 KB Output is correct
27 Correct 9 ms 936 KB Output is correct
28 Correct 4 ms 1120 KB Output is correct
29 Correct 13 ms 600 KB Output is correct
30 Correct 11 ms 856 KB Output is correct
31 Correct 20 ms 344 KB Output is correct
32 Correct 21 ms 596 KB Output is correct
33 Correct 33 ms 1176 KB Output is correct
34 Correct 35 ms 1596 KB Output is correct
35 Correct 25 ms 440 KB Output is correct
36 Correct 24 ms 604 KB Output is correct
37 Correct 19 ms 600 KB Output is correct
38 Correct 13 ms 1104 KB Output is correct
39 Correct 9 ms 848 KB Output is correct
40 Correct 8 ms 1192 KB Output is correct
41 Correct 5 ms 1112 KB Output is correct

Subtask #3
33.93 / 75.0

# 결과 실행 시간 메모리 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 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 11 ms 344 KB Output is correct
8 Correct 8 ms 600 KB Output is correct
9 Partially correct 57 ms 924 KB Output is partially correct
10 Partially correct 38 ms 924 KB Output is partially correct
11 Correct 17 ms 692 KB Output is correct
12 Correct 17 ms 1112 KB Output is correct
13 Partially correct 33 ms 592 KB Output is partially correct
14 Correct 28 ms 860 KB Output is correct
15 Partially correct 43 ms 344 KB Output is partially correct
16 Partially correct 48 ms 592 KB Output is partially correct
17 Partially correct 76 ms 1152 KB Output is partially correct
18 Partially correct 67 ms 904 KB Output is partially correct
19 Partially correct 81 ms 896 KB Output is partially correct
20 Partially correct 70 ms 1104 KB Output is partially correct
21 Partially correct 47 ms 596 KB Output is partially correct
22 Partially correct 49 ms 680 KB Output is partially correct
23 Correct 24 ms 848 KB Output is correct
24 Correct 25 ms 1364 KB Output is correct
25 Correct 23 ms 936 KB Output is correct
26 Correct 9 ms 1368 KB Output is correct
27 Partially correct 57 ms 1116 KB Output is partially correct
28 Partially correct 51 ms 1184 KB Output is partially correct
29 Partially correct 76 ms 924 KB Output is partially correct
30 Partially correct 68 ms 1080 KB Output is partially correct
31 Partially correct 40 ms 920 KB Output is partially correct
32 Partially correct 50 ms 848 KB Output is partially correct
33 Correct 24 ms 856 KB Output is correct
34 Correct 25 ms 852 KB Output is correct
35 Partially correct 64 ms 684 KB Output is partially correct
36 Partially correct 71 ms 932 KB Output is partially correct
37 Partially correct 45 ms 1104 KB Output is partially correct
38 Partially correct 39 ms 916 KB Output is partially correct
39 Partially correct 50 ms 676 KB Output is partially correct
40 Partially correct 50 ms 1104 KB Output is partially correct
41 Partially correct 71 ms 684 KB Output is partially correct
42 Partially correct 59 ms 1348 KB Output is partially correct
43 Correct 6 ms 600 KB Output is correct
44 Correct 18 ms 680 KB Output is correct
45 Correct 19 ms 680 KB Output is correct
46 Correct 20 ms 700 KB Output is correct
47 Correct 18 ms 696 KB Output is correct
48 Correct 19 ms 952 KB Output is correct