oj.uz

Submission #1036506

# Submission time Handle Problem Language Result Execution time Memory
1036506 2024-07-27T13:16:23 Z Warinchai COVID tests (CEOI24_covid) C++14
10 / 100
 7000 ms 596 KB 
#include<bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC target("avx2")
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;
vector<int>ans;
void fans(int st,int en){
    //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);
    }
    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);
    }
}
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.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);
        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 0 ms 344 KB Output is correct

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 84 ms 344 KB Output is correct
2 Correct 59 ms 344 KB Output is correct
3 Correct 63 ms 344 KB Output is correct
4 Correct 68 ms 344 KB Output is correct
5 Correct 63 ms 344 KB Output is correct
6 Correct 62 ms 344 KB Output is correct
7 Correct 62 ms 344 KB Output is correct
8 Correct 59 ms 344 KB Output is correct
9 Correct 56 ms 344 KB Output is correct
10 Correct 30 ms 344 KB Output is correct
11 Correct 73 ms 344 KB Output is correct
12 Correct 49 ms 344 KB Output is correct
13 Correct 56 ms 344 KB Output is correct
14 Correct 60 ms 344 KB Output is correct
15 Correct 73 ms 344 KB Output is correct
16 Correct 90 ms 344 KB Output is correct
17 Correct 0 ms 340 KB Output is correct

Subtask #2
0.0 / 90.0

# Verdict Execution time Memory Grader output
1 Correct 183 ms 344 KB Output is correct (P=0.001, F=15.1, Q=17.7) -> 53.29 points
2 Correct 914 ms 344 KB Output is correct (P=0.005256, F=51.1, Q=77.0) -> 29.73 points
3 Correct 1660 ms 344 KB Output is correct (P=0.011546, F=94.9, Q=149.0) -> 27.44 points
4 Correct 3158 ms 596 KB Output is correct (P=0.028545, F=191.5, Q=302.5) -> 27.12 points
5 Correct 4006 ms 344 KB Output is correct (P=0.039856, F=246.3, Q=387.5) -> 27.33 points
6 Correct 5970 ms 344 KB Output is correct (P=0.068648, F=366.2, Q=568.4) -> 28.05 points
7 Execution timed out 7070 ms 344 KB Time limit exceeded
8 Halted 0 ms 0 KB -