제출 #1192412

#제출 시각아이디문제언어결과실행 시간메모리
1192412onbertUnscrambling a Messy Bug (IOI16_messy)C++20
100 / 100
1 ms584 KiB
#include "messy.h"
#include <bits/stdc++.h>
using namespace std;

string s;
void build(int l, int r) {
    if (l == r) return;
    int mid = (l+r)/2;
    for (int i=l;i<=mid;i++) {
        s[i] = '1';
        add_element(s);
        s[i] = '0';
    }
    for (int i=mid+1;i<=r;i++) s[i] = '1';
    build(l, mid);
    for (int i=mid+1;i<=r;i++) s[i] = '0';

    for (int i=l;i<=mid;i++) s[i] = '1';
    build(mid+1, r);
    for (int i=l;i<=mid;i++) s[i] = '0';
}

vector<int> ans;
void solve(int l, int r, vector<int> vec) {
    if (l == r) {
        ans[vec[0]] = l;
        return;
    }
    int mid = (l+r)/2;
    vector<int> L, R;
    for (int i:vec) {
        s[i] = '1';
        if (check_element(s)) L.push_back(i);
        else R.push_back(i);
        s[i] = '0';
    }
    for (int i:R) s[i] = '1';
    solve(l, mid, L);
    for (int i:R) s[i] = '0';

    for (int i:L) s[i] = '1';
    solve(mid+1, r, R);
    for (int i:L) s[i] = '0';
}

vector<int> restore_permutation(int n, int w, int r) {
    s = "";
    for (int i=0;i<n;i++) s += '0';
    build(0, n-1);
    compile_set();
    ans.resize(n);
    vector<int> all;
    for (int i=0;i<n;i++) all.push_back(i);
    solve(0, n-1, all);
    return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

messy.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
messy_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
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