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Submission #1039299

# Submission time Handle Problem Language Result Execution time Memory
1039299 2024-07-30T16:37:53 Z Dalek_of_Rivia COVID tests (CEOI24_covid) C++17
10 / 100
 7000 ms 348 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=0.8;
    
    for(int dalekofrivia=0; dalekofrivia<T; dalekofrivia++){
        if(P<0.001) P=0.001;
        int lambda=(jaskier/P)+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
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 344 KB Output is correct
2 Correct 39 ms 344 KB Output is correct
3 Correct 30 ms 344 KB Output is correct
4 Correct 40 ms 344 KB Output is correct
5 Correct 30 ms 344 KB Output is correct
6 Correct 30 ms 344 KB Output is correct
7 Correct 42 ms 344 KB Output is correct
8 Correct 49 ms 344 KB Output is correct
9 Correct 37 ms 344 KB Output is correct
10 Correct 24 ms 344 KB Output is correct
11 Correct 36 ms 344 KB Output is correct
12 Correct 32 ms 344 KB Output is correct
13 Correct 34 ms 344 KB Output is correct
14 Correct 50 ms 344 KB Output is correct
15 Correct 33 ms 344 KB Output is correct
16 Correct 30 ms 344 KB Output is correct
17 Correct 0 ms 344 KB Output is correct

Subtask #2
0.0 / 90.0

# Verdict Execution time Memory Grader output
1 Correct 160 ms 344 KB Output is correct (P=0.001, F=15.1, Q=14.4) -> 90.00 points
2 Correct 575 ms 344 KB Output is correct (P=0.005256, F=51.1, Q=59.2) -> 55.08 points
3 Correct 1114 ms 344 KB Output is correct (P=0.011546, F=94.9, Q=112.8) -> 51.30 points
4 Correct 2199 ms 348 KB Output is correct (P=0.028545, F=191.5, Q=225.6) -> 52.56 points
5 Correct 2861 ms 344 KB Output is correct (P=0.039856, F=246.3, Q=294.7) -> 50.39 points
6 Correct 4209 ms 344 KB Output is correct (P=0.068648, F=366.2, Q=426.0) -> 54.44 points
7 Correct 5263 ms 344 KB Output is correct (P=0.104571, F=490.3, Q=534.1) -> 66.31 points
8 Execution timed out 7013 ms 344 KB Time limit exceeded
9 Halted 0 ms 0 KB -