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Submission #1039289

# Submission time Handle Problem Language Result Execution time Memory
1039289 2024-07-30T16:31:19 Z Dalek_of_Rivia COVID tests (CEOI24_covid) C++17
0 / 100
 7000 ms 596 KB 
#include <bits/stdc++.h>
using namespace std;

bool ans[1000];
int N;

bool ask(int inf, int sup, bool preg){
    char c='P';
    if(preg){
        cout<<"Q ";
        for(int i=0; i<N; i++){
            if((i<inf)|(i>sup)){
                cout<<0;
            }else{
                cout<<1;
            }
        }
        cout<<endl;
        cin>>c;
    }
    if(c=='N'){
        for(int i=inf; i<=sup; i++) ans[i]=false;
        return false;
    }else if(inf==sup){
        ans[inf]=true;
        return true;
    }else{
        int m = (inf+sup)/2;
        bool tau=ask(inf, m, true);
        ask(m+1, sup, tau);
        return true;
    }
}

int main()
{
    cin.tie(nullptr);
    int T;
    double P;
    cin>>N>>P>>T;
    double jaskier=0.5;
    
    for(int dalekofrivia=0; dalekofrivia<T; dalekofrivia++){
        int lambda=(jaskier/P)+1;
        if(P>0.1) lambda=1;
        for(int i=0; i<N; i+=lambda) ask(i, min(i+lambda, N)-1, true);
        cout<<"A ";
        for(int i=0; i<N; i++) cout<<ans[i];
        cout<<endl;
        char C;
        cin>>C;
        if(C!='C') break;
    }

    return 0;
}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct

Subtask #1
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 344 KB Output is correct
2 Correct 34 ms 344 KB Output is correct
3 Correct 57 ms 344 KB Output is correct
4 Correct 34 ms 344 KB Output is correct
5 Correct 35 ms 344 KB Output is correct
6 Correct 34 ms 344 KB Output is correct
7 Correct 34 ms 344 KB Output is correct
8 Correct 42 ms 344 KB Output is correct
9 Correct 34 ms 344 KB Output is correct
10 Correct 34 ms 344 KB Output is correct
11 Correct 34 ms 344 KB Output is correct
12 Correct 34 ms 344 KB Output is correct
13 Correct 35 ms 344 KB Output is correct
14 Correct 34 ms 344 KB Output is correct
15 Correct 36 ms 344 KB Output is correct
16 Correct 34 ms 344 KB Output is correct
17 Runtime error 0 ms 344 KB Execution killed with signal 11
18 Halted 0 ms 0 KB -

Subtask #2
0.0 / 90.0

# Verdict Execution time Memory Grader output
1 Correct 168 ms 344 KB Output is correct (P=0.001, F=15.1, Q=14.0) -> 90.00 points
2 Correct 664 ms 344 KB Output is correct (P=0.005256, F=51.1, Q=59.5) -> 54.30 points
3 Correct 1195 ms 344 KB Output is correct (P=0.011546, F=94.9, Q=114.2) -> 49.63 points
4 Correct 2458 ms 344 KB Output is correct (P=0.028545, F=191.5, Q=227.7) -> 51.25 points
5 Correct 3242 ms 344 KB Output is correct (P=0.039856, F=246.3, Q=293.6) -> 50.90 points
6 Correct 4499 ms 596 KB Output is correct (P=0.068648, F=366.2, Q=407.2) -> 62.16 points
7 Execution timed out 7025 ms 344 KB Time limit exceeded
8 Halted 0 ms 0 KB -