제출 #1223162

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1223162		spetr	How to Avoid Disqualification in 75 Easy Steps (CEOI23_avoid)	C++20	15 / 100	1 ms	612 KiB

avoid

#include "avoid.h"
#include <vector>
#include <bits/stdc++.h>
using namespace std;



std::pair<int, int> scout(int R, int H) {


    if (H == 1){
        int velikost = 1;
        vector<vector<int>> v;
        for (int i = 0; i < 1000; i++){
            v.push_back({});
        }
        for (int i = 0; i < R; i++){
            vector<int> pole;
            for (int j = 1; j <= 1000; j+= 2*velikost){
                for (int k = j; k < j+velikost && k <= 1000; k++){
                    pole.push_back(k);
                    v[k-1].push_back(i);
                }
            }
            velikost *= 2;
            send(pole);
        }
        auto p = wait();
        for (int i = 0; i < 1000; i++){
            bool ok = true;
            for (int j = 0; j < v[i].size(); j++){
                if (p[v[i][j]] == 0){
                    ok = false;
                    break;
                } 
            }
            if (ok){
                return {i+1,i+1};
            }
        }
    }
    else{
        int l,r;
        l = 1;
        r = 1000;
        vector<int> p;
        while (l < r){
            vector<int> pole;
            int mid = (l+r)/2;
            for (int i = 1; i <= mid; i++){
                pole.push_back(i);
            }
            send(pole);
            p = wait();
            if (p[0] == 1){
                r = mid;
            }
            else{
                l = mid+1;
            }
        }
        int a = l;
       
        
        l = 1; r = 1000;
while (l < r) {
    vector<int> pole;
    int mid = l + (r - l + 1) / 2;
    for (int i = mid; i <= 1000; i++)
        pole.push_back(i);
    send(pole);
    p = wait();
    if (p[0] == 1)   // alespoň jeden chairman v [mid..1000]
        l = mid;
    else
        r = mid - 1;
}
int b = l;

        
        return {a,b};
    }



    return {1,1};
  
}

• Subtask 0: 0 / 0
• Subtask 1: 10 / 10
• Subtask 2: 5 / 5
• Subtask 3: 0 / 10
• Subtask 4: 0 / 75