Submission #878274

#	Time	Username	Problem	Language	Result	Execution time	Memory
878274		HuyQuang_re_Zero	Detecting Molecules (IOI16_molecules)	C++14	100 / 100	42 ms	9772 KiB

molecules

#include <bits/stdc++.h>
#define ll long long
#define db long double
#define II pair <ll,ll>
#define III pair <ll,II>
#define IV pair <vector <int>,vector <int> >
#define TII pair <treap*,treap*>
#define fst first
#define snd second
#define BIT(x,i) ((x>>i)&1)
#define pi acos(-1)
#define to_radian(x) (x*pi/180.0)
#define to_degree(x) (x*180.0/pi)
#define Log(x) (31-__builtin_clz((int)x))
#define LogLL(x) (63-__builtin_clzll((ll)x))
using namespace std;
#include "molecules.h"

vector<int> find_subset(int l,int r,vector<int> vec)
{
    vector <II> a;
    vector <int> res;
    for(int x:vec)
    {
        int tg=a.size();
        a.push_back({ x,tg });
    }
    sort(a.begin(),a.end());
    ll sum=0,j=0;
    for(int i=0;i<a.size();i++)
    {
        sum+=a[i].fst;
        while(sum>r) sum-=a[j++].fst;
        if(sum>=l)
        {
            for(int k=j;k<=i;k++) res.push_back(a[k].snd);
            return res;
        }
    }
    return res;
}
/*
int main()
{
    freopen("molecules.inp","r",stdin);
    freopen("molecules.out","w",stdout);
    int l,r,x;
    vector <int> vec;
    cin>>l>>r;
    while(cin>>x) vec.push_back(x);
    vector <int> res=find_subset(l,r,vec);
    for(int x:res) cout<<x<<" ";
}
*/

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:30:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |     for(int i=0;i<a.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