oj.uz

Submission #1004178

# Submission time Handle Problem Language Result Execution time Memory
1004178 2024-06-21T06:10:48 Z GrindMachine Koala Game (APIO17_koala) C++17
78 / 100
 38 ms 480 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,w;

bool cmp(int i, int j){
    // i < j?
    int lo = 0, hi = 0;

    if(w == 2*n){
        lo = 60, hi = 100;
    }
    else{
        lo = 1, hi = 15;
    }

    while(lo <= hi){
        int mid = (lo+hi) >> 1;
        vector<int> a(n);
        a[i] = a[j] = mid-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_, w = w_;

    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

# Verdict Execution time Memory Grader output
1 Correct 3 ms 344 KB Output is correct
2 Correct 3 ms 344 KB Output is correct
3 Correct 3 ms 344 KB Output is correct
4 Correct 3 ms 344 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 344 KB Output is correct
2 Correct 9 ms 344 KB Output is correct
3 Correct 9 ms 452 KB Output is correct
4 Correct 9 ms 344 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 344 KB Output is correct
2 Correct 35 ms 344 KB Output is correct
3 Correct 32 ms 344 KB Output is correct
4 Correct 34 ms 344 KB Output is correct
5 Correct 32 ms 344 KB Output is correct
6 Correct 37 ms 480 KB Output is correct
7 Correct 34 ms 344 KB Output is correct
8 Correct 31 ms 344 KB Output is correct
9 Correct 31 ms 344 KB Output is correct
10 Correct 31 ms 344 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 356 KB Output is correct
2 Correct 29 ms 344 KB Output is correct
3 Correct 28 ms 344 KB Output is correct
4 Correct 28 ms 448 KB Output is correct
5 Correct 27 ms 344 KB Output is correct
6 Correct 28 ms 344 KB Output is correct
7 Correct 27 ms 448 KB Output is correct
8 Correct 28 ms 344 KB Output is correct
9 Correct 28 ms 344 KB Output is correct
10 Correct 26 ms 448 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 448 KB Output is correct
16 Correct 25 ms 344 KB Output is correct
17 Correct 27 ms 344 KB Output is correct
18 Correct 26 ms 344 KB Output is correct
19 Correct 25 ms 344 KB Output is correct
20 Correct 25 ms 344 KB Output is correct

Subtask #5
31.0 / 53.0

# Verdict Execution time Memory Grader output
1 Partially correct 11 ms 344 KB Output is partially correct
2 Partially correct 14 ms 344 KB Output is partially correct
3 Partially correct 14 ms 448 KB Output is partially correct
4 Partially correct 14 ms 344 KB Output is partially correct
5 Partially correct 14 ms 452 KB Output is partially correct
6 Partially correct 14 ms 344 KB Output is partially correct
7 Partially correct 14 ms 344 KB Output is partially correct
8 Partially correct 13 ms 344 KB Output is partially correct
9 Partially correct 14 ms 452 KB Output is partially correct
10 Partially correct 14 ms 344 KB Output is partially correct
11 Partially correct 14 ms 452 KB Output is partially correct
12 Partially correct 6 ms 452 KB Output is partially correct
13 Partially correct 14 ms 344 KB Output is partially correct
14 Partially correct 14 ms 456 KB Output is partially correct
15 Partially correct 13 ms 344 KB Output is partially correct
16 Partially correct 13 ms 344 KB Output is partially correct
17 Partially correct 14 ms 344 KB Output is partially correct
18 Partially correct 14 ms 344 KB Output is partially correct
19 Partially correct 14 ms 340 KB Output is partially correct
20 Partially correct 13 ms 344 KB Output is partially correct
21 Partially correct 14 ms 344 KB Output is partially correct
22 Partially correct 14 ms 344 KB Output is partially correct
23 Partially correct 9 ms 344 KB Output is partially correct
24 Partially correct 14 ms 452 KB Output is partially correct
25 Partially correct 14 ms 344 KB Output is partially correct
26 Partially correct 14 ms 340 KB Output is partially correct
27 Partially correct 15 ms 344 KB Output is partially correct
28 Partially correct 14 ms 344 KB Output is partially correct
29 Partially correct 14 ms 344 KB Output is partially correct
30 Partially correct 14 ms 344 KB Output is partially correct
31 Partially correct 14 ms 344 KB Output is partially correct
32 Partially correct 14 ms 344 KB Output is partially correct
33 Partially correct 14 ms 344 KB Output is partially correct
34 Partially correct 9 ms 344 KB Output is partially correct
35 Partially correct 14 ms 344 KB Output is partially correct
36 Partially correct 13 ms 344 KB Output is partially correct
37 Partially correct 14 ms 340 KB Output is partially correct
38 Partially correct 12 ms 456 KB Output is partially correct
39 Partially correct 13 ms 344 KB Output is partially correct
40 Partially correct 12 ms 344 KB Output is partially correct