제출 #534710

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
534710		fabijan_cikac	Minerals (JOI19_minerals)	C++17	40 / 100	56 ms	3640 KiB

minerals

#include <bits/stdc++.h>
 
using namespace std;
 
#include "minerals.h"
 
const int MAXN = (1 << 17);
 
#define F first
#define S second
#define pp pair<int, int>
 
vector<pp> sol;
deque<int> q;
int p[MAXN] = { 0 };
 
/*int Query(int x){
    int y; cin >> y; return y;
}
 
void Answer(int x, int y){
    return;
}*/
 
void findpar(vector<int> v){
    if (v.size() == 2){
        sol.push_back({v[0], v[1]});
        return;
    }
    random_shuffle(v.begin(), v.end());
    while (!q.empty()){
        if (p[q.front()]){
            int z = Query(q.front() + 1);
        }
        q.pop_front();
    }
    vector<int> a[2]; int maks = 0.61 * (v.size() / 2);
    for (int i = 0; i < v.size(); ++i){
        int x = Query(v[i] + 1); q.push_back(v[i]); p[v[i]] = 1;
        if (x > maks){
            Query(v[i] + 1); a[1].push_back(v[i]); p[v[i]] = 0;
        }
        else a[0].push_back(v[i]);
    }
    findpar(a[0]); findpar(a[1]); return;
}
 
void Solve(int N){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
 
    vector<int> v;
    for (int i = 0; i < 2 * N; ++i)
        v.push_back(i);
    findpar(v);
    for (int i = 0; i < N; ++i)
        Answer(sol[i].F + 1, sol[i].S + 1);
}

컴파일 시 표준 에러 (stderr) 메시지

minerals.cpp: In function 'void findpar(std::vector<int>)':
minerals.cpp:33:17: warning: unused variable 'z' [-Wunused-variable]
   33 |             int z = Query(q.front() + 1);
      |                 ^
minerals.cpp:38:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |     for (int i = 0; i < v.size(); ++i){
      |                     ~~^~~~~~~~~~

• Subtask 1: 6 / 6
• Subtask 2: 25 / 25
• Subtask 3: 9 / 9
• Subtask 4: 0 / 30
• Subtask 5: 0 / 5
• Subtask 6: 0 / 5
• Subtask 7: 0 / 5
• Subtask 8: 0 / 5
• Subtask 9: 0 / 10