oj.uz

Submission #1042106

# Submission time Handle Problem Language Result Execution time Memory
1042106 2024-08-02T14:43:59 Z Warinchai COVID tests (CEOI24_covid) C++14
95.55 / 100
 1424 ms 1760 KB 
#include<bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC target("avx2")
using namespace std;
int n,t;
double p;
int use=0;
map<string,int>mp;
int ask(string v){
    if(mp[v]!=0)return mp[v]-1;
    //use++;
    cout<<"Q ";
    cout<<v;
    cout<<endl;
    //cerr<<"input:"<<endl;
    char ans;
    cin>>ans;
    //cerr<<ans<<endl;
    return (mp[v]=(ans=='P'?1:0)+1)-1;
}
int ask(int st,int en){
    en=min(n-1,en);
    string temp(n,'0');
    for(int i=st;i<=en;i++)temp[i]='1';
    return ask(temp);
}
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    cin>>n>>p>>t;
    int freq=n/(p*n);
    int mx=0;
    while((1<<mx)<freq)mx++;
    mx--;
    mx=min(9,mx);
    mx=max(0,mx);
    while(t--){
        //cerr<<"work"<<endl;
        mp.clear();
        int cur=-1;
        string ans=string(n,'0');
        int og=cur;
        while(cur<n-1){
            int nmx=mx;
            //cout<<nmx<<endl;
            if(ask(og+1,cur+(1<<nmx))){
                for(int i=nmx-1;i>=0;i--)if(!ask(og+1,cur+(1<<i)))cur=cur+(1<<i);
                cur++;
                ans[cur]='1';
                og=cur;
            }else{
                cur=cur+(1<<nmx);
                continue;
            }
        }
        //cout<<x<<endl;
        //cout<<ask(x)<<endl;
        //assert(ask(x)==0);
        cout<<"A ";
        cout<<ans;
        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 6 ms 1680 KB Output is correct
2 Correct 6 ms 1348 KB Output is correct
3 Correct 8 ms 1344 KB Output is correct
4 Correct 5 ms 1368 KB Output is correct
5 Correct 5 ms 1416 KB Output is correct
6 Correct 7 ms 1440 KB Output is correct
7 Correct 7 ms 1684 KB Output is correct
8 Correct 6 ms 1368 KB Output is correct
9 Correct 5 ms 1504 KB Output is correct
10 Correct 4 ms 1112 KB Output is correct
11 Correct 6 ms 1416 KB Output is correct
12 Correct 7 ms 1368 KB Output is correct
13 Correct 5 ms 1368 KB Output is correct
14 Correct 6 ms 1500 KB Output is correct
15 Correct 6 ms 1624 KB Output is correct
16 Correct 7 ms 1336 KB Output is correct
17 Correct 6 ms 1368 KB Output is correct

Subtask #2
85.550000004 / 90.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 344 KB Output is correct (P=0.001, F=15.1, Q=10.9) -> 90.00 points
2 Correct 93 ms 596 KB Output is correct (P=0.005256, F=51.1, Q=46.6) -> 90.00 points
3 Correct 173 ms 816 KB Output is correct (P=0.011546, F=94.9, Q=90.9) -> 90.00 points
4 Correct 376 ms 1136 KB Output is correct (P=0.028545, F=191.5, Q=189.6) -> 90.00 points
5 Correct 448 ms 1268 KB Output is correct (P=0.039856, F=246.3, Q=244.0) -> 90.00 points
6 Correct 739 ms 1312 KB Output is correct (P=0.068648, F=366.2, Q=365.8) -> 90.00 points
7 Correct 965 ms 1480 KB Output is correct (P=0.104571, F=490.3, Q=493.5) -> 87.71 points
8 Correct 1190 ms 1420 KB Output is correct (P=0.158765, F=639.1, Q=633.1) -> 90.00 points
9 Correct 1424 ms 1760 KB Output is correct (P=0.2, F=731.4, Q=740.9) -> 85.55 points