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Submission #830149

# Submission time Handle Problem Language Result Execution time Memory
830149 2023-08-18T20:05:23 Z GusterGoose27 Koala Game (APIO17_koala) C++17
100 / 100
 64 ms 452 KB 
#include "koala.h"

#include <bits/stdc++.h>

using namespace std;

const int MAXN = 105;
bool pres[MAXN];
int n, w;
int t = 0;

vector<int> query(vector<int> &inp) {
    int *a = new int[n];
    int *b = new int[n];
    for (int i = 0; i < n; i++) a[i] = inp[i];
    playRound(a, b);
    vector<int> out;
    for (int i = 0; i < n; i++) {
        if (b[i] > inp[i]) out.push_back(i);
    }
    delete[] a;
    delete[] b;
    return out;
}

vector<int> complement(vector<int> inp) {
    fill(pres, pres+n, 0);
    for (int v: inp) pres[v] = 1;
    vector<int> out;
    for (int i = 0; i < n; i++)
        if (!pres[i]) out.push_back(i);
    return out;
}

vector<int> inter(vector<int> a, vector<int> &b) {
    fill(pres, pres+n, 0);
    for (int v: a) pres[v] = 1;
    vector<int> out;
    for (int v: b)
        if (pres[v]) out.push_back(v);
    return out;
}

int minValue(int N, int W) {
    n = N; w = W;
    vector<int> vals(n, 0);
    vals[0] = 1;
    return complement(query(vals))[0];
}

int maxValue(int N, int W) {
    n = N; w = W;
    vector<int> cur(n, 0);
    iota(cur.begin(), cur.end(), 0);
    while (cur.size() > 1) {
        int put = n/cur.size();
        vector<int> qry(n, 0);
        for (int v: cur) qry[v] = put;
        cur = inter(query(qry), cur);
    }
    return cur[0];
}

int greaterValue(int N, int W) {
    n = N; w = W;
    vector<int> put({1, 2, 5, 10});
    int mn = -1, mx = 4;
    vector<int> two({0, 1});
    while (mx > mn+1) {
        int cur = (mn+mx)/2;
        vector<int> qry(n, 0);
        qry[0] = qry[1] = put[cur];
        vector<int> vals = inter(query(qry), two);
        if (vals.size() == 2) mn = cur;
        else if (vals.empty()) mx = cur;
        else {
            return vals[0];
        }
    }
    assert(false);
    return 0;
}

bool smaller(int &a, int &b) {
    t++;
    // assert(t <= 100);
    vector<int> qry(n, 0);
    qry[a] = qry[b] = n;
    vector<int> two({a, b});
    return inter(query(qry), two)[0] == b;
}

void make_sort(vector<int> &a, int l, int r) {
    if (r <= l) return;
    vector<int> ex;
    int mid = (l+r)/2;
    make_sort(a, l, mid);
    make_sort(a, mid+1, r);
    for (int i = l; i <= r; i++) ex.push_back(a[i]);
    int p1 = 0, p2 = mid+1-l;
    int j = 0;
    while (p1 <= mid-l || p2 <= r-l) {
        if (p1 > mid-l) {
            a[l+(j++)] = ex[p2];
            p2++;
        }
        else if (p2 > r-l) {
            a[l+(j++)] = ex[p1];
            p1++;
        }
        else if (smaller(ex[p1], ex[p2])) {
            a[l+(j++)] = ex[p1];
            p1++;
        }
        else {
            a[l+(j++)] = ex[p2];
            p2++;
        }
    }
}

vector<int> answer;

int sum(int a) {
    return a*(a+1)/2;
}

void solve(int l, int r, vector<int> &rev) { // ignore everything above r essentially
    if (l > r) return;
    if (l == r) {
        answer[rev[0]] = l+1;
        return;
    }
    int put = 0;
    if (l > 0) {
        int b = 0;
        do {
            put++;
            b += r-l+1;
        } while (put < n/(r-l+1) && sum(min(l, b))-sum(max(0, b-(put+1))) < l+1);
    }
    else put = 1;
    vector<int> qry(n, 0);
    for (int v: rev) qry[v] = put;
    vector<int> up = inter(query(qry), rev);
    vector<int> down = inter(complement(up), rev);
    solve(r-up.size()+1, r, up);
    solve(l, r-up.size(), down);
}

void allValues(int N, int W, int *P) {
    n = N; w = W;
    if (W == 2*N) {
        t = 0;
        vector<int> ans(n);
        iota(ans.begin(), ans.end(), 0);
        make_sort(ans, 0, n-1);
        // sort(ans.begin(), ans.end(), comp);
        for (int i = 0; i < n; i++) P[ans[i]] = i+1;
    } else {
        answer = vector<int>(n);
        vector<int> curv(n);
        iota(curv.begin(), curv.end(), 0);
        solve(0, n-1, curv);
        for (int i = 0; i < n; i++) P[i] = answer[i];
    }
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 208 KB Output is correct
2 Correct 3 ms 208 KB Output is correct
3 Correct 4 ms 208 KB Output is correct
4 Correct 3 ms 208 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 316 KB Output is correct
2 Correct 10 ms 208 KB Output is correct
3 Correct 12 ms 316 KB Output is correct
4 Correct 10 ms 208 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 64 ms 452 KB Output is correct
2 Correct 61 ms 328 KB Output is correct
3 Correct 61 ms 328 KB Output is correct
4 Correct 60 ms 328 KB Output is correct
5 Correct 61 ms 328 KB Output is correct
6 Correct 61 ms 332 KB Output is correct
7 Correct 63 ms 332 KB Output is correct
8 Correct 62 ms 332 KB Output is correct
9 Correct 61 ms 320 KB Output is correct
10 Correct 59 ms 332 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 208 KB Output is correct
2 Correct 26 ms 304 KB Output is correct
3 Correct 25 ms 208 KB Output is correct
4 Correct 25 ms 208 KB Output is correct
5 Correct 24 ms 208 KB Output is correct
6 Correct 27 ms 312 KB Output is correct
7 Correct 25 ms 208 KB Output is correct
8 Correct 24 ms 208 KB Output is correct
9 Correct 24 ms 316 KB Output is correct
10 Correct 24 ms 316 KB Output is correct
11 Correct 25 ms 312 KB Output is correct
12 Correct 14 ms 316 KB Output is correct
13 Correct 25 ms 296 KB Output is correct
14 Correct 23 ms 328 KB Output is correct
15 Correct 22 ms 316 KB Output is correct
16 Correct 22 ms 208 KB Output is correct
17 Correct 22 ms 320 KB Output is correct
18 Correct 23 ms 208 KB Output is correct
19 Correct 22 ms 208 KB Output is correct
20 Correct 23 ms 340 KB Output is correct

Subtask #5
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 208 KB Output is correct
2 Correct 3 ms 208 KB Output is correct
3 Correct 3 ms 336 KB Output is correct
4 Correct 3 ms 208 KB Output is correct
5 Correct 3 ms 208 KB Output is correct
6 Correct 3 ms 208 KB Output is correct
7 Correct 3 ms 208 KB Output is correct
8 Correct 3 ms 336 KB Output is correct
9 Correct 3 ms 208 KB Output is correct
10 Correct 3 ms 208 KB Output is correct
11 Correct 3 ms 208 KB Output is correct
12 Correct 3 ms 208 KB Output is correct
13 Correct 4 ms 208 KB Output is correct
14 Correct 3 ms 208 KB Output is correct
15 Correct 3 ms 208 KB Output is correct
16 Correct 3 ms 336 KB Output is correct
17 Correct 3 ms 208 KB Output is correct
18 Correct 3 ms 208 KB Output is correct
19 Correct 3 ms 336 KB Output is correct
20 Correct 3 ms 208 KB Output is correct
21 Correct 3 ms 268 KB Output is correct
22 Correct 3 ms 208 KB Output is correct
23 Correct 3 ms 208 KB Output is correct
24 Correct 3 ms 336 KB Output is correct
25 Correct 3 ms 208 KB Output is correct
26 Correct 3 ms 336 KB Output is correct
27 Correct 3 ms 328 KB Output is correct
28 Correct 3 ms 208 KB Output is correct
29 Correct 3 ms 336 KB Output is correct
30 Correct 3 ms 336 KB Output is correct
31 Correct 3 ms 208 KB Output is correct
32 Correct 3 ms 208 KB Output is correct
33 Correct 3 ms 208 KB Output is correct
34 Correct 3 ms 208 KB Output is correct
35 Correct 3 ms 208 KB Output is correct
36 Correct 3 ms 208 KB Output is correct
37 Correct 3 ms 336 KB Output is correct
38 Correct 3 ms 208 KB Output is correct
39 Correct 3 ms 328 KB Output is correct
40 Correct 3 ms 328 KB Output is correct