Submission #444666

#	Time	Username	Problem	Language	Result	Execution time	Memory
444666		Khizri	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	73 ms	8736 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back		 
#define F first																 
#define S second 															 
#define INF 1e18
#define all(v) (v).begin(),(v).end()
#define rall(v) (v).rbegin(),(v).rend()
#define pii pair<int,int>
#define pll pair<ll,ll>
#define OK cout<<"Ok"<<endl;
#define MOD (ll)(1e9+7)
#define endl "\n"
const int mxn=2e5+5;
vector<pii>dp[mxn];
map<int,bool>mp;
std::vector<int> find_subset(int l, int r, std::vector<int> vt) {
	vector<pii>arr;
	for(int i=0;i<vt.size();i++){
		arr.pb({vt[i],i});
	}
	sort(all(arr));
	ll sum=0;
	int a=0,b=0;
	bool q=false;
	for(int i=0;i<arr.size();i++){
		sum+=arr[i].F;
		if(sum<l){
			
		}
		else{
			if(l<=sum&&sum<=r){
				q=true;
				b=i;
				break;
			}
			else{
				while(sum>r){
					sum-=arr[a].F;
					a++;
				}
			}
			if(l<=sum&&sum<=r){
				q=true;
				b=i;
				break;
			}
		}
	}
	vector<int>v;
	if(q){
		for(int i=a;i<=b;i++){
			v.pb(arr[i].S);
		}
		sort(all(v));
		return v;
	}
	return v;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:21:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |  for(int i=0;i<vt.size();i++){
      |              ~^~~~~~~~~~
molecules.cpp:28:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |  for(int i=0;i<arr.size();i++){
      |              ~^~~~~~~~~~~

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