Submission #1137265

#	Time	Username	Problem	Language	Result	Execution time	Memory
1137265		rayan_bd	Detecting Molecules (IOI16_molecules)	C++20	0 / 100	0 ms	328 KiB

molecules

#include <bits/stdc++.h>
#include "molecules.h"
using namespace std;

#define getar(ar,n) for(ll i=0;i<n;++i) cin>>ar[i]
#define show(n) cout<<n<<'\n'
#define all(v) v.begin(), v.end()
#define br cout<<"\n"
#define pb push_back
#define nl '\n'
#define yes cout<<"YES\n"
#define no cout<<"NO\n"
#define ret return
#define ll long long
#define ld long double
#define sza(x) ((int)x.size())
#define fi first
#define se second

const int mxN = 1e5 + 5;
const ll MOD = 1e9 + 7;
const ll INF = 1e9;
const ld EPS = 1e-9;


vector<int> find_subset(int L,int R,vector<int> w){
    int n=w.size();
    vector<pair<int,int>> vec(n+1);
    vector<int> pref(n+1,0);
    for(int i=1;i<=n;++i){
        vec[i]={w[i-1],i};
    }
    sort(all(vec));
    for(int i=1;i<=n;++i) pref[i]=pref[i-1]+vec[i].fi;
    vector<int> ans;
    for(int i=1;i<=n;++i){
        int st=i,en=n,sm=-1,p;
        while(st<=en){
            int mid=st+(en-st)/2;
            if((pref[mid]-pref[i-1])<=R){
                sm=pref[mid]-pref[i-1];
                p=mid;
                st=mid+1;
            }else{
                en=mid-1;
            }
        }
        if(sm>=L&&sm<=R){
            for(int j=i;j<=p;++j) ans.pb(vec[j].se);
            return ans;
        }
    }
    return ans;
}

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: 0 / 9
• Subtask 2: 0 / 10
• Subtask 3: 0 / 12
• Subtask 4: 0 / 15
• Subtask 5: 0 / 23
• Subtask 6: 0 / 31