oj.uz

Submission #1071355

# Submission time Handle Problem Language Result Execution time Memory
1071355 2024-08-23T06:52:19 Z jer033 COVID tests (CEOI24_covid) C++17
10 / 100
 7000 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 << '\n';
    cout.flush();
    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;
}

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

int main()
{
    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
    {
        while (T--)
        {
            answer_clear();
            range_query(0, 999);
            bool L = report(answer);
            if (L==0)
                T = 0;
        }
    }
}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory 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

# Verdict Execution time Memory Grader output
1 Correct 41 ms 344 KB Output is correct
2 Correct 40 ms 344 KB Output is correct
3 Correct 37 ms 344 KB Output is correct
4 Correct 36 ms 344 KB Output is correct
5 Correct 41 ms 344 KB Output is correct
6 Correct 37 ms 344 KB Output is correct
7 Correct 46 ms 344 KB Output is correct
8 Correct 37 ms 344 KB Output is correct
9 Correct 46 ms 344 KB Output is correct
10 Correct 55 ms 344 KB Output is correct
11 Correct 37 ms 344 KB Output is correct
12 Correct 37 ms 344 KB Output is correct
13 Correct 44 ms 344 KB Output is correct
14 Correct 37 ms 344 KB Output is correct
15 Correct 41 ms 344 KB Output is correct
16 Correct 39 ms 344 KB Output is correct
17 Correct 49 ms 344 KB Output is correct

Subtask #2
0.0 / 90.0

# Verdict Execution time Memory Grader output
1 Correct 206 ms 344 KB Output is correct (P=0.001, F=15.1, Q=17.8) -> 52.47 points
2 Correct 929 ms 344 KB Output is correct (P=0.005256, F=51.1, Q=78.0) -> 28.98 points
3 Correct 1783 ms 344 KB Output is correct (P=0.011546, F=94.9, Q=150.0) -> 27.09 points
4 Correct 3501 ms 344 KB Output is correct (P=0.028545, F=191.5, Q=303.5) -> 26.95 points
5 Correct 4604 ms 344 KB Output is correct (P=0.039856, F=246.3, Q=388.5) -> 27.20 points
6 Correct 6614 ms 344 KB Output is correct (P=0.068648, F=366.2, Q=569.4) -> 27.95 points
7 Execution timed out 7011 ms 344 KB Time limit exceeded
8 Halted 0 ms 0 KB -