oj.uz

답안 #1069386

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1069386 2024-08-21T20:58:41 Z BigBadBully COVID tests (CEOI24_covid) C++17
10 / 100
 7000 ms 344 KB 
// Online C++ compiler to run C++ program online
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define ff first
#define ss second
int n,t;
bool guess(int l,int r){
    cout << "Q ";
    for (int i = 0; i < n; i++)
    {
        if (i >= l && i <= r)
            cout << '1';
        else
            cout << '0';
    }
    cout << endl;
  
    char la;
    cin >> la;
    if (la == 'P')
    return 1;
    else
    return 0;
}
void calc(vector<bool>& mask, int l, int r)
{
    if (l==r)
    {
        mask[l] = 1;
        return;
    }
    int mid = l+r>>1;
    if (guess(l,mid))
        calc(mask,l,mid);
    if (guess(mid+1,r))
        calc(mask,mid+1,r);
}
void linear(vector<bool>&mask,int mile)
{
    int prev = 0;
    while(prev<n)
    {
        if (guess(prev,min(n-1,prev+mile)))
            for (int i = prev;i <= min(n-1,prev+mile); i++)
                if (guess(i,i))
                    mask[i] = 1;
        prev = min(n,prev+mile+1);
    }
    
    
}
signed main() {
    double p;
    
    cin >> n >> p >> t;
    double tte = 1/p;
    int mile = (int)tte;
    
    while(t--)
    {
        
        int prev = 0;
        vector<bool> mask(n,0);
        if (mile < 20)
        {
            linear(mask,mile);
        }
        else if (mile < 100) 
        {
            calc(mask,0,n-1);
        }
        else
        while(prev < n)
        {
            int l = prev, r = min(n-1,prev+max(4ll,mile));
            if (!guess(l,r))
            {
                prev = r+1;
                continue;
            }
            while (r-l>1)
            {
                int mid = l+r>>1;
                if (guess(prev,mid))
                    r = mid;
                else
                    l = mid;
            }
            if (guess(l,l))
            {
                mask[l] = 1;
                prev = r;
            }
            else
            {
                mask[r] = 1;
                prev = r+1;
            }
        }
        cout << "A ";
        for (int i = 0; i < n; i++)
            cout << (char)(mask[i]+'0');
        cout << endl;
        char c;
        cin >> c;
        if (c=='C')
            continue;
        else
            break;
    }
}

Compilation message

Main.cpp: In function 'void calc(std::vector<bool>&, long long int, long long int)':
Main.cpp:33:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   33 |     int mid = l+r>>1;
      |               ~^~
Main.cpp: In function 'int main()':
Main.cpp:84:28: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   84 |                 int mid = l+r>>1;
      |                           ~^~

Subtask #0
0.0 / 0.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 43 ms 344 KB Output is correct
2 Correct 47 ms 344 KB Output is correct
3 Correct 36 ms 344 KB Output is correct
4 Correct 44 ms 344 KB Output is correct
5 Correct 64 ms 344 KB Output is correct
6 Correct 34 ms 344 KB Output is correct
7 Correct 31 ms 344 KB Output is correct
8 Correct 26 ms 344 KB Output is correct
9 Correct 32 ms 344 KB Output is correct
10 Correct 21 ms 344 KB Output is correct
11 Correct 35 ms 344 KB Output is correct
12 Correct 33 ms 344 KB Output is correct
13 Correct 36 ms 344 KB Output is correct
14 Correct 36 ms 344 KB Output is correct
15 Correct 34 ms 344 KB Output is correct
16 Correct 34 ms 344 KB Output is correct
17 Correct 24 ms 344 KB Output is correct

Subtask #2
0.0 / 90.0

# 결과 실행 시간 메모리 Grader output
1 Correct 99 ms 344 KB Output is correct (P=0.001, F=15.1, Q=11.6) -> 90.00 points
2 Correct 395 ms 344 KB Output is correct (P=0.005256, F=51.1, Q=52.3) -> 82.27 points
3 Correct 1185 ms 344 KB Output is correct (P=0.011546, F=94.9, Q=149.0) -> 27.44 points
4 Correct 2491 ms 344 KB Output is correct (P=0.028545, F=191.5, Q=302.5) -> 27.12 points
5 Correct 3120 ms 344 KB Output is correct (P=0.039856, F=246.3, Q=387.5) -> 27.33 points
6 Correct 5930 ms 344 KB Output is correct (P=0.068648, F=366.2, Q=723.3) -> 18.37 points
7 Correct 6152 ms 344 KB Output is correct (P=0.104571, F=490.3, Q=767.3) -> 27.61 points
8 Correct 6809 ms 344 KB Output is correct (P=0.158765, F=639.1, Q=842.6) -> 39.58 points
9 Execution timed out 7044 ms 344 KB Time limit exceeded
10 Halted 0 ms 0 KB -