Submission #407208

#	Time	Username	Problem	Language	Result	Execution time	Memory
407208		sad	Detecting Molecules (IOI16_molecules)	C++14	100 / 100	56 ms	6152 KiB

molecules

#include<bits/stdc++.h>
#include "molecules.h"
#define pb push_back
#define ll long long
#define fi first
#define se second
using namespace std;
vector<pair<int,int>>v;
vector<int>ans;
vector<int> find_subset(int l, int u, vector<int> w) {

    for(int i=0;i<w.size();i++)
    {
        v.pb({w[i],i});
    }ll sum=0;ll ze=0;
    sort(v.begin(),v.end());int r=0;int n=w.size();
    for(int i=0;i<n;i++)
    {r=max(r,i);sum=max(sum,ze);
        while(r<n&&sum+v[r].fi<l)
        {
            sum+=v[r].fi;
            r++;
        }
        if(r<n&&sum+v[r].fi>=l&&sum+v[r].fi<=u)
        {
            for(int j=i;j<=r;j++)
            {
                ans.pb(v[j].se);
            }return ans;
        }
        sum-=v[i].fi;
    }
    return ans;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:12:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |     for(int i=0;i<w.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