oj.uz

Submission #1036498

# Submission time Handle Problem Language Result Execution time Memory
1036498 2024-07-27T13:09:07 Z Warinchai COVID tests (CEOI24_covid) C++14
10 / 100
 7000 ms 344 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>temp;
void fans(int st,int en,vector<int>&ans){
    //cerr<<st<<" "<<en<<endl;
    if(st>=en)return;
    int m=(st+en)/2;
    for(int i=st;i<=m;i++)temp[i]=1;
    bool tans;tans=ask(temp);
    for(int i=st;i<=m;i++)temp[i]=0;
    if(tans){
        if(st==m)ans[st]=1;
        else fans(st,m,ans);
    }
    for(int i=m+1;i<=en;i++)temp[i]=1;
    tans=ask(temp);
    for(int i=m+1;i<=en;i++)temp[i]=0;
    if(tans){
        if(m+1==en)ans[en]=1;
        else fans(m+1,en,ans);
    }
}
vector<int>ans;
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cin>>n>>p>>t;
    temp.resize(n);
    ans.resize(n);
    while(t--){
        //cerr<<"work"<<endl;
        for(auto &x:ans)x=0;
        use=0;
        fans(0,n-1,ans);
        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 344 KB Output is correct
2 Correct 58 ms 344 KB Output is correct
3 Correct 62 ms 344 KB Output is correct
4 Correct 60 ms 344 KB Output is correct
5 Correct 95 ms 344 KB Output is correct
6 Correct 67 ms 344 KB Output is correct
7 Correct 53 ms 340 KB Output is correct
8 Correct 52 ms 344 KB Output is correct
9 Correct 57 ms 344 KB Output is correct
10 Correct 32 ms 340 KB Output is correct
11 Correct 52 ms 344 KB Output is correct
12 Correct 48 ms 344 KB Output is correct
13 Correct 70 ms 344 KB Output is correct
14 Correct 51 ms 344 KB Output is correct
15 Correct 61 ms 344 KB Output is correct
16 Correct 66 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 226 ms 344 KB Output is correct (P=0.001, F=15.1, Q=17.7) -> 53.29 points
2 Correct 814 ms 344 KB Output is correct (P=0.005256, F=51.1, Q=77.0) -> 29.73 points
3 Correct 1535 ms 344 KB Output is correct (P=0.011546, F=94.9, Q=149.0) -> 27.44 points
4 Correct 3125 ms 344 KB Output is correct (P=0.028545, F=191.5, Q=302.5) -> 27.12 points
5 Correct 3895 ms 344 KB Output is correct (P=0.039856, F=246.3, Q=387.5) -> 27.33 points
6 Correct 5827 ms 344 KB Output is correct (P=0.068648, F=366.2, Q=568.4) -> 28.05 points
7 Execution timed out 7035 ms 344 KB Time limit exceeded
8 Halted 0 ms 0 KB -