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Submission #1039298

# Submission time Handle Problem Language Result Execution time Memory
1039298 2024-07-30T16:36:15 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;
        cout.flush();
        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);
    ios::sync_with_stdio(0);
    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=i+lambda) ask(i, min(i+lambda, N)-1, true);
        cout<<"A ";
        for(int i=0; i<N; i++) cout<<ans[i];
        cout<<endl;
        cout.flush();
        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 42 ms 344 KB Output is correct
2 Correct 32 ms 344 KB Output is correct
3 Correct 40 ms 344 KB Output is correct
4 Correct 54 ms 344 KB Output is correct
5 Correct 55 ms 344 KB Output is correct
6 Correct 51 ms 344 KB Output is correct
7 Correct 48 ms 344 KB Output is correct
8 Correct 34 ms 344 KB Output is correct
9 Correct 47 ms 344 KB Output is correct
10 Correct 34 ms 596 KB Output is correct
11 Correct 43 ms 344 KB Output is correct
12 Correct 40 ms 344 KB Output is correct
13 Correct 51 ms 344 KB Output is correct
14 Correct 41 ms 340 KB Output is correct
15 Correct 26 ms 344 KB Output is correct
16 Correct 47 ms 344 KB Output is correct
17 Runtime error 1 ms 596 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 229 ms 344 KB Output is correct (P=0.001, F=15.1, Q=14.0) -> 90.00 points
2 Correct 744 ms 344 KB Output is correct (P=0.005256, F=51.1, Q=59.5) -> 54.30 points
3 Correct 1405 ms 344 KB Output is correct (P=0.011546, F=94.9, Q=114.2) -> 49.63 points
4 Correct 2710 ms 344 KB Output is correct (P=0.028545, F=191.5, Q=227.7) -> 51.25 points
5 Correct 3516 ms 344 KB Output is correct (P=0.039856, F=246.3, Q=293.6) -> 50.90 points
6 Correct 4779 ms 344 KB Output is correct (P=0.068648, F=366.2, Q=407.2) -> 62.16 points
7 Execution timed out 7002 ms 344 KB Time limit exceeded
8 Halted 0 ms 0 KB -