Submission #1264428

#	Time	Username	Problem	Language	Result	Execution time	Memory
1264428		vtnoo	Detecting Molecules (IOI16_molecules)	C++20	100 / 100	34 ms	3656 KiB

molecules

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

const int MAXN=10001;

std::vector<int> find_subset(int l, int u, std::vector<int> w){
    int n=w.size();
    vector<pair<int,int>> v(n);
    for(int i=0;i<n;i++)v[i]={w[i], i};
    sort(v.begin(), v.end());
    long long sum=0; 
    int lo=0;
    for(int r=0;r<n;r++){  
        sum+=v[r].first;
        while(sum>u){
            sum-=v[lo++].first;
        }
        /* cout<<"=============="<<endl;
        cout<<lo<<" "<<r<<endl;
        cout<<sum<<endl; */
        if(l<=sum&&sum<=u){
            vector<int> a;
            for(int i=lo;i<=r;i++){
                a.push_back(v[i].second);
            }
            return a;
        }
    }
    return {};
}

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