oj.uz

답안 #557686

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
557686 2022-05-05T19:13:51 Z nutella 코알라 (APIO17_koala) C++17
100 / 100
 53 ms 460 KB 
#include "koala.h"

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

const int maxN = 100;
int B[maxN], R[maxN];

void cl() {
    memset(B, 0, sizeof(B));
    memset(R, 0, sizeof(R));
}

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.
    cl();
    B[0] = 1;
    playRound(B, R);
    if (R[0]) {
        return int(min_element(R, R + N) - R);
    } else {
        return 0;
    }
}

int maxValue(int N, int W) {
    // return i such as P[i] = n
    vector<int> left(N);
    iota(begin(left), end(left), 0);
    while (size(left) > 1) {
        int x = W / (int) size(left);
        cl();
        for (int i: left)
            B[i] = x;
        playRound(B, R);
        vector<int> tmp;
        for (int i: left)
            if (B[i] < R[i])
                tmp.push_back(i);
        swap(tmp, left);
    }
    assert(size(left) == 1);
    return left[0];
}

int greaterValue(int N, int W) {
    // compare P[0] and P[1]
    int l = 0, r = W / 8;
    while (l + 1 < r) {
        int m = (l + r) >> 1;
        cl();
        B[0] = B[1] = m;
        playRound(B, R);
        bool took1 = R[0] > B[0];
        bool took2 = R[1] > B[1];
        if (took1 && took2) l = m;
        else if (!took1 && !took2) r = m;
        else if (took1) return 0;
        else return 1;
    }
    return 0;
}

void allValues(int N, int W, int *P) {
    if (W == N) {
        vector<int> ord(N);
        iota(begin(ord), end(ord), 0);
        function<void(int, int, vector<int>)> solve = [&](int l, int r, vector<int> v) {
            if (l + 1 == r) {
                P[v[0]] = l;
            } else {
                int x = min((int)sqrt(l * 2), W / (r - l));
                cl();
                for (int i : v) {
                    B[i] = x;
                }
                playRound(B, R);
                vector<int> small, big;
                for (int i : v) {
                    if (R[i] > B[i]) {
                        big.push_back(i);
                    } else {
                        small.push_back(i);
                    }
                }
                int mid = l + int(size(small));
                solve(l, mid, small), solve(mid, r, big);
            }
        };
        solve(1, N + 1, ord);
    } else {
        vector<int> ord(N);
        iota(begin(ord), end(ord), 0);
        stable_sort(begin(ord), end(ord), [&](int i, int j) {
            cl();
            B[i] = N, B[j] = N;
            playRound(B, R);
            return B[i] >= R[i];
        });
        for (int i = 0; i < N; ++i)
            P[ord[i]] = i + 1;
    }
}

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 208 KB Output is correct
2 Correct 4 ms 208 KB Output is correct
3 Correct 4 ms 320 KB Output is correct
4 Correct 4 ms 208 KB Output is correct

Subtask #2
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 320 KB Output is correct
2 Correct 12 ms 208 KB Output is correct
3 Correct 12 ms 208 KB Output is correct
4 Correct 13 ms 208 KB Output is correct

Subtask #3
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 47 ms 456 KB Output is correct
2 Correct 53 ms 336 KB Output is correct
3 Correct 43 ms 336 KB Output is correct
4 Correct 47 ms 328 KB Output is correct
5 Correct 46 ms 340 KB Output is correct
6 Correct 47 ms 348 KB Output is correct
7 Correct 46 ms 332 KB Output is correct
8 Correct 45 ms 324 KB Output is correct
9 Correct 50 ms 460 KB Output is correct
10 Correct 45 ms 340 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 20 ms 208 KB Output is correct
2 Correct 33 ms 208 KB Output is correct
3 Correct 32 ms 300 KB Output is correct
4 Correct 31 ms 208 KB Output is correct
5 Correct 31 ms 208 KB Output is correct
6 Correct 33 ms 208 KB Output is correct
7 Correct 33 ms 300 KB Output is correct
8 Correct 31 ms 208 KB Output is correct
9 Correct 33 ms 208 KB Output is correct
10 Correct 32 ms 208 KB Output is correct
11 Correct 32 ms 208 KB Output is correct
12 Correct 14 ms 316 KB Output is correct
13 Correct 30 ms 208 KB Output is correct
14 Correct 27 ms 296 KB Output is correct
15 Correct 27 ms 208 KB Output is correct
16 Correct 29 ms 296 KB Output is correct
17 Correct 28 ms 208 KB Output is correct
18 Correct 28 ms 316 KB Output is correct
19 Correct 30 ms 208 KB Output is correct
20 Correct 28 ms 208 KB Output is correct

Subtask #5
53.0 / 53.0

# 결과 실행 시간 메모리 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 4 ms 208 KB Output is correct
6 Correct 3 ms 328 KB Output is correct
7 Correct 3 ms 208 KB Output is correct
8 Correct 3 ms 280 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 324 KB Output is correct
12 Correct 3 ms 208 KB Output is correct
13 Correct 3 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 208 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 208 KB Output is correct
20 Correct 3 ms 208 KB Output is correct
21 Correct 3 ms 208 KB Output is correct
22 Correct 4 ms 320 KB Output is correct
23 Correct 3 ms 208 KB Output is correct
24 Correct 3 ms 208 KB Output is correct
25 Correct 3 ms 208 KB Output is correct
26 Correct 3 ms 208 KB Output is correct
27 Correct 3 ms 208 KB Output is correct
28 Correct 3 ms 208 KB Output is correct
29 Correct 3 ms 208 KB Output is correct
30 Correct 3 ms 208 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 324 KB Output is correct
36 Correct 3 ms 208 KB Output is correct
37 Correct 3 ms 208 KB Output is correct
38 Correct 3 ms 208 KB Output is correct
39 Correct 3 ms 208 KB Output is correct
40 Correct 4 ms 208 KB Output is correct