Submission #1229507

#	Time	Username	Problem	Language	Result	Execution time	Memory
1229507		Tesla89	Detecting Molecules (IOI16_molecules)	C++20	100 / 100	34 ms	3656 KiB

molecules

#include "molecules.h"
#include <algorithm>
#include <iostream>

using namespace std;

vector<int> find_subset(int l, int u, vector<int> w) {
    int n=w.size();
    vector<pair<int,int>>niz(n);
    for(int i=0;i<n;i++)niz[i]={w[i],i};
    sort(niz.begin(),niz.end());
    long long sum=0,li=0,minv=niz[0].first,maxv;
    for(int ri=0;ri<n;ri++){
        maxv=niz[ri].first;
        sum+=maxv;
        while(li<ri&&(maxv-minv>u-l)||(sum>u)){
            sum-=minv;
            minv=niz[++li].first;
        }
        if(sum>=l&&sum<=u){
            vector<int>res;
            for(int i=li;i<=ri;i++)res.push_back(niz[i].second);
            sort(res.begin(),res.end());
            return res;
        }
    }
    return vector<int>(0);
}

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