제출 #914126

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
914126	2024-01-21 08:26:19	JooDdae	Coreputer (IOI23_coreputer)	C++17	100 / 100	1 ms	608 KiB

coreputer

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#include "coreputer.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
 
vector<int> malfunctioning_cores(int N) {
    vector<int> id(N); iota(id.begin(), id.end(), 0);
    vector<int> ans(N, 0), res(N, -2);
 
    int l = 0, r = N-1;
    while(l <= r) {
        int m = (l+r)/2;
        res[m] = run_diagnostic(vector<int>(id.begin(), id.begin()+m+1));
        if(res[m] == -1) l = m+1;
        else r = m-1;
    }
 
    ans[l] = 1;
    if(l == N-1) return ans;
    if(l == 0) {
        if(run_diagnostic({0}) != 0) return ans;
 
        int L = 1, R = N-1;
        while(L <= R) {
            int M = (L+R)/2;
 
            if(res[M] == -2) res[M] = run_diagnostic(vector<int>(id.begin(), id.begin()+M+1));
            if(res[M] == 0) L = M+1;
            else R = M-1;
        }
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 40 / 40
• Subtask 3: 40 / 40