Submission #980705

#	Time	Username	Problem	Language	Result	Execution time	Memory
980705		Jarif_Rahman	Minerals (JOI19_minerals)	C++17	25 / 100	8 ms	1164 KiB

minerals

#include "minerals.h"
#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef long long int ll;
typedef string str;

int cnt = 0;
vector<bool> done;

void pbs(int l, int r, bool right, bool reset, vector<int> X){
    if(l == r){
        for(int i: X) if(i < l) Answer(i, l), done[i] = 1;
        return;
    }

    int md = (l+r)/2;
    if(right) for(int i = l; i <= md; i++) cnt = Query(i);
    else for(int i = r; i > md; i--) cnt = Query(i);
    vector<int> A, B;
    for(int i: X){
        if(i > md){
            B.push_back(i);
            continue;
        }
        int cnt_ = Query(i);
        if(cnt_ == cnt) A.push_back(i);
        else B.push_back(i);
        Query(i);
    }

    pbs(md+1, r, 1, 1, B);
    pbs(l, md, 0, reset, A);
    if(reset){
        if(right) for(int i = l; i <= md; i++) cnt = Query(i);
        else for(int i = r; i > md; i--) cnt = Query(i);
    }
}

void Solve(int n){
    vector<int> X;
    for(int i = 1; i <= n; i++) X.push_back(i);
    for(int i = 1; i <= n; i++) cnt = Query(i);
    done.assign(2*n, 0);
    pbs(n+1, 2*n, 1, 0, X);
}

• Subtask 1: 0 / 6
• Subtask 2: 25 / 25
• Subtask 3: 0 / 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