Submission #1191697

#	Time	Username	Problem	Language	Result	Execution time	Memory
1191697		simona1230	Detecting Molecules (IOI16_molecules)	C++20	0 / 100	0 ms	328 KiB

molecules

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

long long p[500001];
long long n;

std::vector<int> find_subset(int l, int u, std::vector<int> w)
{
    n=w.size();
    p[0]=w[0];
    for(long long i=1; i<n; i++)
        p[i]=p[i-1]+w[i];

    for(long long x=1; x<=n; x++)
    {
        long long s1=p[x-1];
        long long s2=p[n-1]-p[n-x]+w[n-x];
        //cout<<x<<" "<<s1<<" "<<s2<<endl;
        if(s1<l&&s2>u||s1>=l&&s1<=u||s2>=l&&s2<=u)
        {
            for(long long i=0; i<n; i++)
            {
                long long j=i+l-1;
                long long s=p[j]-p[i]+w[i];
                if(s>=l&&s<=u)
                {
                    vector<int> ans;
                    for(long long x=i; x<=j; x++)
                        ans.push_back(x);
                    return ans;
                }
            }
        }
    }
    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: 0 / 9
• Subtask 2: 0 / 10
• Subtask 3: 0 / 12
• Subtask 4: 0 / 15
• Subtask 5: 0 / 23
• Subtask 6: 0 / 31