Submission #206359

#	Time	Username	Problem	Language	Result	Execution time	Memory
206359		autumn_eel	Detecting Molecules (IOI16_molecules)	C++14	100 / 100	99 ms	3948 KiB

molecules

#include <bits/stdc++.h>
#define rep(i,n)for(int i=0;i<(n);i++)
#include "molecules.h"
using namespace std;
typedef long long ll;
typedef pair<int,int>P;

std::vector<int> find_subset(int l, int u, std::vector<int> w) {
	vector<int>v;
	for(int i:w)v.push_back(i);
	sort(v.begin(),v.end());
	ll Min=0,Max=0;
	rep(i,v.size()){
		Min+=v[i];
		Max+=v[v.size()-i-1];
		if(Min<=u&&l<=Max){
			multiset<int>se;
			for(int j=0;j<=i;j++)se.insert(v[j]);
			ll sum=Min;
			if(sum<l){
				for(int j=i+1;j<v.size();j++){
					int del=v[j]-*se.begin();
					se.erase(se.begin());
					se.insert(v[j]);
					sum+=del;
					if(l<=sum)break;
				}
			}
			assert(sum<=u);
			vector<int>ans;
			rep(i,w.size()){
				if(se.find(w[i])!=se.end()){
					se.erase(se.find(w[i]));
					ans.push_back(i);
				}
			}
			return ans;
		}
	}
	return {};
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:2:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define rep(i,n)for(int i=0;i<(n);i++)
                              ^
molecules.cpp:13:2: note: in expansion of macro 'rep'
  rep(i,v.size()){
  ^~~
molecules.cpp:21:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int j=i+1;j<v.size();j++){
                   ~^~~~~~~~~
molecules.cpp:2:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define rep(i,n)for(int i=0;i<(n);i++)
                              ^
molecules.cpp:31:4: note: in expansion of macro 'rep'
    rep(i,w.size()){
    ^~~

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