Submission #139428

#	Time	Username	Problem	Language	Result	Execution time	Memory
139428		quotitquot	Detecting Molecules (IOI16_molecules)	C++14	0 / 100	2 ms	504 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define fr first
#define se second
using namespace std;

std::vector<int> find_subset(int l, int u, std::vector<int> w) {
    vector<int>res;
    ll now = 0, p = 0;
    vector<pair<ll,ll>>V;
    for( int i = 0; i < w.size(); i ++ )
        V.pb( { w[i], i } );
    sort( V.begin(), V.end() );
    if( V[0].fr <= u )
    {
        for( int i = 0; i < V.size(); i ++ )
        {
            now += V[i].fr;
            while( now > u )
                now -= V[p ++].fr;
            if( now >= l )
            {
                for( int j = p; j <= i; j ++ )
                    res.pb( V[j].se + 1 );
                sort( res.begin(), res.end() );
                return res;
            }
        }
    }
    res.pb( 0 );
    return res;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:13:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for( int i = 0; i < w.size(); i ++ )
                     ~~^~~~~~~~~~
molecules.cpp:18:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for( int i = 0; i < V.size(); i ++ )
                         ~~^~~~~~~~~~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 10
• Subtask 3: 0 / 12
• Subtask 4: 0 / 15
• Subtask 5: 0 / 23
• Subtask 6: 0 / 31