oj.uz

Submission #1036493

# Submission time Handle Problem Language Result Execution time Memory
1036493 2024-07-27T12:54:58 Z Warinchai COVID tests (CEOI24_covid) C++14
10 / 100
 7000 ms 504 KB 
#include<bits/stdc++.h>
using namespace std;
int n,t;
double p;
int use=0;
int ask(vector<int>v){
    //use++;
    cout<<"Q ";
    for(auto x:v)cout<<x;
    cout<<endl;
    //cerr<<"input:"<<endl;
    char ans;
    cin>>ans;
    //cerr<<ans<<endl;
    return ans=='P'?1:0;
}
vector<int> fans(int st,int en){
    //cerr<<st<<" "<<en<<endl;
    if(st>=en)return {};
    int m=(st+en)/2;
    vector<int>temp(n,0);
    for(int i=st;i<=m;i++)temp[i]=1;
    vector<int>l,r;
    if(ask(temp)){
        if(st==m)l={1};
        else l=fans(st,m);
    }else l=vector<int>(m-st+1,0);
    for(int i=st;i<=m;i++)temp[i]=0;
    for(int i=m+1;i<=en;i++)temp[i]=1;
    if(ask(temp)){
        if(m+1==en)r={1};
        else r=fans(m+1,en);
    }else r=vector<int>(en-m,0);
    vector<int>ans;
    for(auto x:l)ans.push_back(x);
    for(auto x:r)ans.push_back(x);
    return ans;
}
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cin>>n>>p>>t;
    while(t--){
        //cerr<<"work"<<endl;
        use=0;
        vector<int>ans=fans(0,n-1);
        cout<<"A ";
        for(auto x:ans)cout<<x;
        cout<<endl;
        char res;
        cin>>res;
        //cerr<<"use:"<<use<<endl;
        if(res=='W')break;
    }
}

Subtask #0
0.0 / 0.0

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

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 496 KB Output is correct
2 Correct 94 ms 344 KB Output is correct
3 Correct 69 ms 344 KB Output is correct
4 Correct 62 ms 344 KB Output is correct
5 Correct 64 ms 492 KB Output is correct
6 Correct 65 ms 344 KB Output is correct
7 Correct 57 ms 344 KB Output is correct
8 Correct 49 ms 344 KB Output is correct
9 Correct 56 ms 344 KB Output is correct
10 Correct 31 ms 344 KB Output is correct
11 Correct 49 ms 344 KB Output is correct
12 Correct 49 ms 344 KB Output is correct
13 Correct 55 ms 344 KB Output is correct
14 Correct 49 ms 344 KB Output is correct
15 Correct 69 ms 492 KB Output is correct
16 Correct 66 ms 484 KB Output is correct
17 Correct 1 ms 344 KB Output is correct

Subtask #2
0.0 / 90.0

# Verdict Execution time Memory Grader output
1 Correct 196 ms 344 KB Output is correct (P=0.001, F=15.1, Q=17.7) -> 53.29 points
2 Correct 859 ms 344 KB Output is correct (P=0.005256, F=51.1, Q=77.0) -> 29.73 points
3 Correct 1567 ms 344 KB Output is correct (P=0.011546, F=94.9, Q=149.0) -> 27.44 points
4 Correct 3177 ms 344 KB Output is correct (P=0.028545, F=191.5, Q=302.5) -> 27.12 points
5 Correct 3880 ms 344 KB Output is correct (P=0.039856, F=246.3, Q=387.5) -> 27.33 points
6 Correct 5940 ms 344 KB Output is correct (P=0.068648, F=366.2, Q=568.4) -> 28.05 points
7 Execution timed out 7034 ms 504 KB Time limit exceeded
8 Halted 0 ms 0 KB -