oj.uz

답안 #1071696

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1071696 2024-08-23T10:07:17 Z jer033 COVID tests (CEOI24_covid) C++17
59.51 / 100
 5138 ms 344 KB 
#include <bits/stdc++.h>
using namespace std;

vector<bool> answer(1000, 0);

void answer_clear()
{
    for (int i=0; i<1000; i++)
        answer[i] = 0;
}

bool ask_query(vector<bool> a)
{
    cout << "Q ";
    for (int i=0; i<1000; i++)
        cout << a[i];
    cout << '\n';
    cout.flush();
    char x;
    cin >> x;
    if (x=='P')
        return 1;
    return 0;
}

bool ask_query2(int x, int y)
{
    cout << "Q ";
    for (int i=0; i<x; i++)
        cout << '0';
    for (int i=x; i<=y; i++)
        cout << '1';
    for (int i=y+1; i<1000; i++)
        cout << '0';
    cout << endl;
    char k;
    cin >> k;
    if (k=='P')
        return 1;
    return 0;
}

bool report(vector<bool> a)
{
    cout << "A ";
    for (int i=0; i<1000; i++)
        cout << a[i];
    cout << '\n';
    cout.flush();
    char x;
    cin >> x;
    if (x=='C')
        return 1;
    return 0;
}

long double prob;

bool range_query(int x, int y, bool known)
{
    bool response;
    if (known==1)
        response = 1;
    else
        response = ask_query2(x, y);
    if (response==1)
    {
        if (x==y)
            answer[x] = 1;
        else
        {
            int z = (x+y)/2;
            bool a = range_query(x, z, 0);
            if (a==0)
                range_query(z+1, y, 1);
            else
                range_query(z+1, y, 0);
        }
        return 1;
    }
    return 0;
}

void work(int m)
{
    int curr = 0;
    bool go_on = 1;
    while (go_on)
    {
        range_query(curr, min(curr+m-1, 999), 0);
        if ((curr+m-1)>=999)
            go_on = 0;
        curr+=m;
    }
}

int main()
{
    std::ios::sync_with_stdio(false);
    int N, T;
    long double P;
    cin >> N >> P >> T;
    if (T==1)
    {
        while (T--)
        {
            vector<bool> query(N, 0);
            vector<bool> ans(N, 0);
            for (int i=0; i<N; i++)
            {
                query[i] = 1;
                ans[i] = ask_query(query);
                query[i] = 0;
            }
            bool L = report(ans);
            if (L==0)
                T = 0;
        }
    }
    else
    {
        prob = P;
        while (T--)
        {
            answer_clear();
            if (P < 0.005)
                work(1000);
            else if (P < 0.01)
                work(200);
            else if (P < 0.02)
                work(80);
            else if (P < 0.03)
                work(25);
            else if (P < 0.05)
                work(20);
            else if (P < 0.10)
                work(8);
            else if (P < 0.15)
                work(5);
            else if (P < 0.19)
                work(4);
            else
                work(2);
            bool L = report(answer);
            if (L==0)
                T = 0;
        }
    }
}

Subtask #0
0.0 / 0.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 0 ms 344 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 37 ms 344 KB Output is correct
2 Correct 33 ms 344 KB Output is correct
3 Correct 33 ms 344 KB Output is correct
4 Correct 35 ms 340 KB Output is correct
5 Correct 36 ms 344 KB Output is correct
6 Correct 37 ms 344 KB Output is correct
7 Correct 55 ms 344 KB Output is correct
8 Correct 46 ms 344 KB Output is correct
9 Correct 38 ms 344 KB Output is correct
10 Correct 33 ms 344 KB Output is correct
11 Correct 35 ms 344 KB Output is correct
12 Correct 43 ms 344 KB Output is correct
13 Correct 35 ms 344 KB Output is correct
14 Correct 33 ms 344 KB Output is correct
15 Correct 34 ms 344 KB Output is correct
16 Correct 46 ms 344 KB Output is correct
17 Correct 46 ms 344 KB Output is correct

Subtask #2
49.509999999 / 90.0

# 결과 실행 시간 메모리 Grader output
1 Correct 96 ms 344 KB Output is correct (P=0.001, F=15.1, Q=13.9) -> 90.00 points
2 Correct 419 ms 344 KB Output is correct (P=0.005256, F=51.1, Q=59.9) -> 53.29 points
3 Correct 856 ms 344 KB Output is correct (P=0.011546, F=94.9, Q=114.3) -> 49.51 points
4 Correct 1611 ms 344 KB Output is correct (P=0.028545, F=191.5, Q=228.2) -> 50.95 points
5 Correct 1887 ms 344 KB Output is correct (P=0.039856, F=246.3, Q=293.8) -> 50.81 points
6 Correct 2739 ms 344 KB Output is correct (P=0.068648, F=366.2, Q=407.2) -> 62.16 points
7 Correct 3654 ms 344 KB Output is correct (P=0.104571, F=490.3, Q=559.9) -> 57.40 points
8 Correct 4433 ms 344 KB Output is correct (P=0.158765, F=639.1, Q=671.0) -> 75.02 points
9 Correct 5138 ms 344 KB Output is correct (P=0.2, F=731.4, Q=781.6) -> 70.61 points