Submission #1164168

#	Time	Username	Problem	Language	Result	Execution time	Memory
1164168		canhnam357	Detecting Molecules (IOI16_molecules)	C++20	Compilation error	0 ms	0 KiB

molecules

#include <bits/stdc++.h>
#include "molecules.h"
using namespace std;

std::vector<int> find_subset(int l, int u, std::vector<int> w) {
    vector<pair<int, int>> a;
    int n = w.size();
    for (int i = 0; i < n; i++)
    {
        a.emplace_back(w[i], i);
    }
    sort(all(a));
    long long sum = 0;
    for (int s = 0, e = 0; e < n; e++)
    {
        sum += a[e].first;
        while (sum > u) sum -= a[s++].first;
        if (sum >= l)
        {
            vector<int> res;
            for (int i = s; i <= e; i++) res.push_back(a[i].second);
            return res;
        }
    }
    return {};
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:12:10: error: 'all' was not declared in this scope
   12 |     sort(all(a));
      |          ^~~
molecules.cpp:12:10: note: suggested alternatives:
In file included from /usr/include/c++/11/filesystem:44,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:129,
                 from molecules.cpp:1:
/usr/include/c++/11/bits/fs_fwd.h:154:7: note:   'std::filesystem::perms::all'
  154 |       all               =  0777,
      |       ^~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:146,
                 from molecules.cpp:1:
/usr/include/c++/11/ranges:1130:27: note:   'std::ranges::views::all'
 1130 |     inline constexpr _All all;
      |                           ^~~
molecules.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
molecules_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~