Submission #709532

#	Time	Username	Problem	Language	Result	Execution time	Memory
709532		ssense	Unscrambling a Messy Bug (IOI16_messy)	C++17	Compilation error	0 ms	0 KiB

messy

#include <bits/stdc++.h>
#include "messy.h"
#define startt ios_base::sync_with_stdio(false);cin.tie(0);
typedef long long  ll;
using namespace std;
#define vint vector<int>

int ng, wg, rg;
vector<int> anss;

void get_range(int l, int r)
{
    if(l == r){
        return;
    }
    vector<string> ans;
    string now;
    for(int i = 0; i < n; i++)
    {
        now.push_back('0');
    }
    for(int i = 0; i < n; i++)
    {
        if(i < l || i > r)
        {
            now[i] = '1';
        }
    }
    for(int i = l; i <= (l+r)/2; i++)
    {
        now[i] = '1';
        add_element(now);
        now[i] = '0';
    }
    get_range(l, (l+r)/2);
    get_range((l+r)/2+1, r);
}

void get_ans(int l, int r, vector<int> idx)
{
    if(l == r)
    {
        anss[idx[0]] = l;
        return;
    }
    string now;
    for(int i = 0; i < ng; i++)
    {
        now.push_back('1');
    }
    for(auto x : idx)
    {
        now[x] = '0';
    }
    vector<int> left, right;
    for(auto x : idx)
    {
        now[x] = '1';
        if(check_element(now))
        {
            left.push_back(x);
        }
        else
        {
            right.push_back(x);
        }
        now[x] = '0';
    }
    get_ans(l, (l+r)/2, left);
    get_ans((l+r)/2+1, r, right);
}

vector<int> restore_permutation(int n, int w, int r)
{
    ng = n;
    wg = w;
    rg = r;
    get_range(0, n-1);
    anss.resize(n);
    compile_set();
    vector <int> idx;
    for (int i = 0; i < n; i++) {
        idx.push_back(i);
    }
    get_ans(0, n - 1,idx);
    return anss;
}

Compilation message (stderr)

messy.cpp: In function 'void get_range(int, int)':
messy.cpp:18:24: error: 'n' was not declared in this scope
   18 |     for(int i = 0; i < n; i++)
      |                        ^
messy.cpp:22:24: error: 'n' was not declared in this scope
   22 |     for(int i = 0; i < n; i++)
      |                        ^