oj.uz

Submission #1109299

# Submission time Handle Problem Language Result Execution time Memory
1109299 2024-11-06T11:34:34 Z 8pete8 COVID tests (CEOI24_covid) C++17
10 / 100
 4952 ms 628 KB 
#include <cassert>
#include <cstdio>
#include <string>
#include <vector>
#include<iostream>
#include<stack>
#include<map>
#include<vector>
#include<string>
#include<cassert>
#include<unordered_map>
#include <queue>
#include <cstdint>
#include<cstring>
#include<limits.h>
#include<cmath>
#include<set>
#include<algorithm>
#include <iomanip>
#include<numeric>
#include<bitset>
using namespace std;
#define ll long long
#define f first
#define s second
#define pii pair<int,int>
#define ppii pair<int,pii>
#define vi vector<int>
#define pb push_back
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define F(n) for(int i=0;i<n;i++)
#define lb lower_bound
#define ub upper_bound
#define fastio ios::sync_with_stdio(false);cin.tie(NULL);
#pragma GCC optimize ("03,unroll-lopps")
int N;
double P;
string base="";
string ra;
bool test_students(string a) {
   // for(int i=0;i<N;i++)if(a[i]=='1'&&ra[i]=='1')return 1;
    //return 0;
    cout<<"Q "<<a<<endl;
    cout.flush();
    char answer;
    cin>>answer;
    return answer == 'P';
}
int T;
int answer[1001+10];
void solve(int l,int r){
    if(l==r){
        string g=base;
        g[l]='1';
        answer[l]=test_students(g);
        return;
    }
    int mid=l+(r-l)/2;
    string g=base;
    for(int i=l;i<=mid;i++)g[i]='1';
    if(test_students(g)){
        if(l==mid)answer[l]=1;
        else solve(l,mid);
    }
    for(int i=l;i<=mid;i++)g[i]='0';
    for(int i=mid+1;i<=r;i++)g[i]='1';
    if(test_students(g)){
        if(mid+1==r)answer[r]=1;
        else solve(mid+1,r);
    }
}
int main() {
    cin>>N>>P>>T;
    for(int i=0;i<N;i++)base+='0';
    for (int i = 0; i < T; i++){
        //cin>>ra;
        for(int j=0;j<N;j++)answer[j]=0;
        int gap=20;
        for(int j=0;(j*gap)<N;j++){
            solve((j*gap),min(N-1,(j*gap)+gap-1));
        }
        string answer_str="";
        for (int j = 0; j < N; j++){
            if(answer[j])answer_str+='1';
            else answer_str+='0';
        }
        cout<<"A "<<answer_str<<endl;
        cout.flush();
        char verdict;
        cin>>verdict;
    }
    return 0;
}

//1001001

Compilation message

Main.cpp:36:40: warning: bad option '-funroll-lopps' to pragma 'optimize' [-Wpragmas]
   36 | #pragma GCC optimize ("03,unroll-lopps")
      |                                        ^
Main.cpp:41:28: warning: bad option '-funroll-lopps' to attribute 'optimize' [-Wattributes]
   41 | bool test_students(string a) {
      |                            ^
Main.cpp:52:23: warning: bad option '-funroll-lopps' to attribute 'optimize' [-Wattributes]
   52 | void solve(int l,int r){
      |                       ^
Main.cpp:73:10: warning: bad option '-funroll-lopps' to attribute 'optimize' [-Wattributes]
   73 | int main() {
      |          ^

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 436 KB Output is correct
2 Correct 29 ms 504 KB Output is correct
3 Correct 29 ms 336 KB Output is correct
4 Correct 29 ms 440 KB Output is correct
5 Correct 21 ms 336 KB Output is correct
6 Correct 28 ms 440 KB Output is correct
7 Correct 26 ms 440 KB Output is correct
8 Correct 18 ms 336 KB Output is correct
9 Correct 22 ms 436 KB Output is correct
10 Correct 11 ms 444 KB Output is correct
11 Correct 22 ms 336 KB Output is correct
12 Correct 22 ms 436 KB Output is correct
13 Correct 20 ms 336 KB Output is correct
14 Correct 23 ms 336 KB Output is correct
15 Correct 23 ms 444 KB Output is correct
16 Correct 27 ms 504 KB Output is correct
17 Correct 2 ms 336 KB Output is correct

Subtask #2
0.0 / 90.0

# Verdict Execution time Memory Grader output
1 Correct 644 ms 628 KB Output is correct (P=0.001, F=15.1, Q=106.2) -> 3.58 points
2 Correct 836 ms 336 KB Output is correct (P=0.005256, F=51.1, Q=134.3) -> 11.98 points
3 Correct 1062 ms 336 KB Output is correct (P=0.011546, F=94.9, Q=176.0) -> 20.37 points
4 Correct 1768 ms 448 KB Output is correct (P=0.028545, F=191.5, Q=282.6) -> 31.00 points
5 Correct 2127 ms 592 KB Output is correct (P=0.039856, F=246.3, Q=350.4) -> 33.45 points
6 Correct 3075 ms 336 KB Output is correct (P=0.068648, F=366.2, Q=506.0) -> 35.61 points
7 Correct 4072 ms 336 KB Output is correct (P=0.104571, F=490.3, Q=675.6) -> 35.83 points
8 Execution timed out 4952 ms 584 KB Time limit exceeded (wall clock)
9 Halted 0 ms 0 KB -