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답안 #557673

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
557673 2022-05-05T18:25:07 Z nutella 코알라 (APIO17_koala) C++17
70 / 100
 55 ms 336 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);
        stable_sort(begin(ord), end(ord), [&](int i, int j) {
            cl();
            int l = 0, r = 9;
            while (l + 1 < r) {
                int m = (l + r) >> 1;
                cl();
                B[i] = B[j] = m;
                playRound(B, R);
                bool took1 = R[i] > B[i];
                bool took2 = R[j] > B[j];
                if (took1 && took2) l = m;
                else if (!took1 && !took2) r = m;
                else if (took1) return false;
                else return true;
            }
            return false;
        });
        for (int i = 0; i < N; ++i)
            P[ord[i]] = i + 1;
    } 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 208 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 14 ms 316 KB Output is correct
2 Correct 14 ms 316 KB Output is correct
3 Correct 18 ms 312 KB Output is correct
4 Correct 16 ms 316 KB Output is correct

Subtask #3
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 45 ms 324 KB Output is correct
2 Correct 53 ms 324 KB Output is correct
3 Correct 43 ms 332 KB Output is correct
4 Correct 45 ms 328 KB Output is correct
5 Correct 49 ms 336 KB Output is correct
6 Correct 45 ms 336 KB Output is correct
7 Correct 55 ms 336 KB Output is correct
8 Correct 54 ms 332 KB Output is correct
9 Correct 47 ms 328 KB Output is correct
10 Correct 47 ms 336 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 21 ms 208 KB Output is correct
2 Correct 35 ms 308 KB Output is correct
3 Correct 41 ms 208 KB Output is correct
4 Correct 35 ms 304 KB Output is correct
5 Correct 36 ms 208 KB Output is correct
6 Correct 32 ms 208 KB Output is correct
7 Correct 40 ms 208 KB Output is correct
8 Correct 35 ms 208 KB Output is correct
9 Correct 34 ms 208 KB Output is correct
10 Correct 34 ms 296 KB Output is correct
11 Correct 32 ms 304 KB Output is correct
12 Correct 16 ms 316 KB Output is correct
13 Correct 38 ms 208 KB Output is correct
14 Correct 27 ms 208 KB Output is correct
15 Correct 28 ms 328 KB Output is correct
16 Correct 29 ms 296 KB Output is correct
17 Correct 29 ms 208 KB Output is correct
18 Correct 29 ms 208 KB Output is correct
19 Correct 29 ms 296 KB Output is correct
20 Correct 30 ms 208 KB Output is correct

Subtask #5
23.0 / 53.0

# 결과 실행 시간 메모리 Grader output
1 Partially correct 29 ms 208 KB Output is partially correct
2 Partially correct 35 ms 208 KB Output is partially correct
3 Partially correct 36 ms 304 KB Output is partially correct
4 Partially correct 32 ms 300 KB Output is partially correct
5 Partially correct 33 ms 208 KB Output is partially correct
6 Partially correct 36 ms 208 KB Output is partially correct
7 Partially correct 31 ms 208 KB Output is partially correct
8 Partially correct 31 ms 296 KB Output is partially correct
9 Partially correct 33 ms 312 KB Output is partially correct
10 Partially correct 33 ms 208 KB Output is partially correct
11 Partially correct 34 ms 208 KB Output is partially correct
12 Partially correct 15 ms 312 KB Output is partially correct
13 Partially correct 31 ms 208 KB Output is partially correct
14 Partially correct 33 ms 208 KB Output is partially correct
15 Partially correct 32 ms 208 KB Output is partially correct
16 Partially correct 32 ms 208 KB Output is partially correct
17 Partially correct 34 ms 308 KB Output is partially correct
18 Partially correct 33 ms 320 KB Output is partially correct
19 Partially correct 43 ms 296 KB Output is partially correct
20 Partially correct 35 ms 208 KB Output is partially correct
21 Partially correct 33 ms 208 KB Output is partially correct
22 Partially correct 36 ms 208 KB Output is partially correct
23 Partially correct 26 ms 208 KB Output is partially correct
24 Partially correct 34 ms 308 KB Output is partially correct
25 Partially correct 31 ms 208 KB Output is partially correct
26 Partially correct 34 ms 208 KB Output is partially correct
27 Partially correct 34 ms 208 KB Output is partially correct
28 Partially correct 33 ms 208 KB Output is partially correct
29 Partially correct 33 ms 208 KB Output is partially correct
30 Partially correct 32 ms 208 KB Output is partially correct
31 Partially correct 31 ms 296 KB Output is partially correct
32 Partially correct 37 ms 316 KB Output is partially correct
33 Partially correct 33 ms 328 KB Output is partially correct
34 Partially correct 27 ms 208 KB Output is partially correct
35 Partially correct 46 ms 296 KB Output is partially correct
36 Partially correct 31 ms 208 KB Output is partially correct
37 Partially correct 28 ms 316 KB Output is partially correct
38 Partially correct 31 ms 208 KB Output is partially correct
39 Partially correct 28 ms 312 KB Output is partially correct
40 Partially correct 31 ms 208 KB Output is partially correct