Submission #1219306

#	Time	Username	Problem	Language	Result	Execution time	Memory
1219306		LIA	Detecting Molecules (IOI16_molecules)	C++17	0 / 100	0 ms	324 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef tuple <ll,ll,ll> plll;
typedef vector <plll> vplll;
typedef pair <ll,ll> pll;
typedef vector <ll> vll;
typedef vector <pll> vpll;
typedef vector <vector <pll>> vvpll;
typedef vector <vector <ll>> vvll;
typedef vector <bool> vb;
typedef vector <vector <bool>> vvb;
#define loop(i, s, e) for (ll i = (s); i < (e); ++i)
#define loopr(i, e, s) for (ll i = (e)-1; i >= (s); --i)
#define all(a) a.begin(), a.end()
const ll inf = 1e9 + 7;

std::vector<int> find_subset(int l, int u, std::vector<int> w) {
    ll n = w.size();
    ll sum = 0;
    vpll v(n);
    loop(i,0,n) v[i] = {w[i], i};
    sort(all(v));
    loop(i,0,n) {
        if (v[i].first == l || v[i].first == u) return {(int)i};
    }
    for (auto [x,idx] : v) {
        if (x>=l && x<=u) {
            return {(int)idx};
        }
        else {
            auto it = lower_bound(v.begin(), v.end(), make_pair(u - x, -inf));
            if (it!= v.end()){
                ll sec = it->second;
                return {(int)idx, (int)sec};
            }
        }
    }

    return {};
}

Compilation message (stderr)

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
      |         ^~~~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 10
• Subtask 3: 0 / 12
• Subtask 4: 0 / 15
• Subtask 5: 0 / 23
• Subtask 6: 0 / 31