oj.uz

답안 #1004176

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1004176 2024-06-21T06:09:52 Z GrindMachine 코알라 (APIO17_koala) C++17
47 / 100
 42 ms 472 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

/*

read some solutions long time back, remember some ideas from there

*/

const int MOD = 1e9 + 7;
const int N = 1e5 + 5;
const int inf1 = int(1e9) + 5;
const ll inf2 = ll(1e18) + 5;

#include "koala.h"

int q = 0;

vector<int> query(vector<int> a){
    // q++;
    // assert(q <= 700);

    int n = sz(a);
    int arr[n];
    rep(i,n) arr[i] = a[i];
    int res_arr[n];
    playRound(arr,res_arr);
    vector<int> res(n);
    rep(i,n) res[i] = res_arr[i];
    return res;
}

int minValue(int n, int w) {
    // TODO: Implement Subtask 1 solution here.
    // You may leave this function unmodified if you are not attempting this
    // subtask.
    vector<int> a(n);
    a[0] = 1;
    auto res = query(a);
    int pos1 = -1;
    rep(i,n){
        if(!res[i]){
            pos1 = i;
        }
    }

    return pos1;
}

int maxValue(int n, int w) {
    // TODO: Implement Subtask 2 solution here.
    // You may leave this function unmodified if you are not attempting this
    // subtask.
    vector<int> cands;
    rep(i,n) cands.pb(i);

    while(sz(cands) > 1){
        int siz = sz(cands);
        int mx = 2*w-(n-siz);
        int x = mx/siz-1;

        vector<int> a(n);
        trav(i,cands) a[i] = x;

        auto res = query(a);
        vector<int> cands2;

        trav(i,cands){
            if(res[i] > x){
                cands2.pb(i);
            }
        }

        cands = cands2;
    }

    return cands[0];
}

int greaterValue(int n, int w) {
    // TODO: Implement Subtask 3 solution here.
    // You may leave this function unmodified if you are not attempting this
    // subtask.
    int lo = 1, hi = 15;
    while(lo <= hi){
        int mid = (lo+hi) >> 1;
        vector<int> a(n);
        a[0] = a[1] = mid-1;
        auto res = query(a);
        int pick0 = res[0] > a[0];
        int pick1 = res[1] > a[1];
        if(pick0^pick1){
            if(pick0) return 0;
            else return 1;
        }

        if(!pick0){
            hi = mid-1;
        }
        else{
            lo = mid+1;
        }
    }

    assert(0);
    return 0;
}

int n;

bool cmp(int i, int j){
    // i < j?
    int lo = 60, hi = 100;
    while(lo <= hi){
        int mid = (lo+hi) >> 1;
        vector<int> a(n);
        a[i] = a[j] = mid-1;
        // rep(i,n){
        //     a[i] = (a[i]+1)*2-1;
        // }
        auto res = query(a);
        int pick0 = res[i] > a[i];
        int pick1 = res[j] > a[j];
        if(pick0^pick1){
            if(pick0) return false;
            else return true;
        }

        if(!pick0){
            hi = mid-1;
        }
        else{
            lo = mid+1;
        }
    }

    assert(0);
    return false;
}

void allValues(int n_, int w, int *ans) {
    n = n_;
    if (w == 2*n) {
        // TODO: Implement Subtask 4 solution here.
        // You may leave this block unmodified if you are not attempting this
        // subtask.
        q = 0;

        vector<int> sa(n);
        iota(all(sa),0);
        stable_sort(all(sa),cmp);

        // vector<int> a(n,2);
        // auto res = query(a);
        // vector<int> small,big;
        // rep(i,n){
        //     if(res[i] > a[i]){
        //         big.pb(i);
        //     }
        //     else{
        //         small.pb(i);
        //     }
        // }

        // stable_sort(all(small),cmp);
        // stable_sort(all(big),cmp);

        // auto sa = small;
        // trav(x,big) sa.pb(x);

        rep(i,n) ans[sa[i]] = i+1;

    } else {
        // TODO: Implement Subtask 5 solution here.
        // You may leave this block unmodified if you are not attempting this
        // subtask.
        vector<int> a(n,1);
        auto res = query(a);
        vector<int> small,big;
        rep(i,n){
            if(res[i] > a[i]){
                big.pb(i);
            }
            else{
                small.pb(i);
            }
        }

        stable_sort(all(small),cmp);
        stable_sort(all(big),cmp);

        auto sa = small;
        trav(x,big) sa.pb(x);

        rep(i,n) ans[sa[i]] = i+1;

        // vector<int> a(n);
        // iota(all(a),0);
        // stable_sort(all(a),cmp);
        // rep(i,n) ans[a[i]] = i+1;
    }
}

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 344 KB Output is correct
2 Correct 3 ms 344 KB Output is correct
3 Correct 2 ms 344 KB Output is correct
4 Correct 2 ms 456 KB Output is correct

Subtask #2
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 344 KB Output is correct
2 Correct 10 ms 344 KB Output is correct
3 Correct 9 ms 344 KB Output is correct
4 Correct 9 ms 344 KB Output is correct

Subtask #3
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 35 ms 464 KB Output is correct
2 Correct 36 ms 344 KB Output is correct
3 Correct 31 ms 460 KB Output is correct
4 Correct 31 ms 340 KB Output is correct
5 Correct 31 ms 344 KB Output is correct
6 Correct 36 ms 468 KB Output is correct
7 Correct 33 ms 344 KB Output is correct
8 Correct 42 ms 340 KB Output is correct
9 Correct 32 ms 344 KB Output is correct
10 Correct 31 ms 472 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 19 ms 344 KB Output is correct
2 Correct 29 ms 344 KB Output is correct
3 Correct 27 ms 344 KB Output is correct
4 Correct 25 ms 344 KB Output is correct
5 Correct 31 ms 344 KB Output is correct
6 Correct 28 ms 344 KB Output is correct
7 Correct 27 ms 344 KB Output is correct
8 Correct 28 ms 344 KB Output is correct
9 Correct 28 ms 344 KB Output is correct
10 Correct 27 ms 344 KB Output is correct
11 Correct 28 ms 344 KB Output is correct
12 Correct 12 ms 344 KB Output is correct
13 Correct 27 ms 344 KB Output is correct
14 Correct 24 ms 344 KB Output is correct
15 Correct 24 ms 356 KB Output is correct
16 Correct 25 ms 452 KB Output is correct
17 Correct 25 ms 344 KB Output is correct
18 Correct 25 ms 344 KB Output is correct
19 Correct 26 ms 344 KB Output is correct
20 Correct 26 ms 344 KB Output is correct

Subtask #5
0 / 53.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -