Submission #1233084

#	Time	Username	Problem	Language	Result	Execution time	Memory
1233084		Saul0906	Detecting Molecules (IOI16_molecules)	C++20	100 / 100	35 ms	4168 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>
#define all(a) a.begin(), a.end()
#define rep(a,b,c) for(int a=b; a<c; a++)
#define repa(a,b) for(auto a:b)
#define ll long long
#define pb push_back
#define ppb pop_back
#define pf push_front
#define ppf pop_front
#define pii pair<int, int>
#define fi first
#define se second

using namespace std;
using vi = vector<int>;

vector<int> find_subset(int l, int u, vector<int> w) {
	int n=w.size();
	vector<pii> a(n);
	rep(i,0,n){
		a[i].fi=w[i];
		a[i].se=i;
	}
	sort(all(a));
	reverse(all(a));
	deque<int> ans;
	vi aa;
	ll x=0;
	rep(i,0,n){
		ans.pb(a[i].se);
		x+=a[i].fi;
		if(x<l) continue;
		break;
	}
	if(x<l) return aa;
	repa(e,ans) aa.pb(e);
	if(x<=u) return aa;
	reverse(all(ans));
	while(n>ans.size() && x>u){
		n--;
		x-=w[ans.back()];
		x+=a[n].fi;
		ans.ppb();
		ans.pf(a[n].se);
	}
	if(x>u) ans.clear();
	aa.clear();
	repa(e,ans) aa.pb(e);
	return aa;
}

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