제출 #477661

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
477661	2021-10-03 02:00:04	HappyPacMan	Minerals (JOI19_minerals)	C++14	40 / 100	57 ms	6184 KiB

minerals

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include "minerals.h"
#include <bits/stdc++.h>
using namespace std;
int curr = 0;
bool change(int u){
    int nxt = Query(u);
    bool res = (nxt != curr);
    curr = nxt;
    return res;
}
void Solve(int N){
    mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
    vector<int> group[2];
    for(int i=1;i<=2*N;i++) group[change(i)].emplace_back(i);
    shuffle(group[0].begin(),group[0].end(),rng);
    int l[N],r[N];
    vector<int> mid[N];
    for(int i=0;i<N;i++){
        l[i] = 0;
        r[i] = N-1;
        mid[r[i] - (382*(r[i]-l[i]+1)/1000)].emplace_back(i);
    }
    // for(auto u : group[0]) cout << u << ' '; cout << '\n';
    // for(auto u : group[1]) cout << u << ' '; cout << '\n';
    int found = 0;
    while(found < N){
        // for(int i=0;i<N;i++) cout << l[i] << ' '; cout << '\n';
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

• 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