Submission #528729

#	Time	Username	Problem	Language	Result	Execution time	Memory
528729		groshi	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	108 ms	19628 KiB

molecules

#include "molecules.h"
#include<iostream>
#include<vector>
#include<map>
#include<algorithm>
using namespace std;
map<long long,int> mapka;
vector<int> t;
vector<int> find_subset(int l,int u,vector<int> w)
{
    long long suma=0;
    mapka[0]=-1;
    vector<pair<long long,int> > Q;
    for(int i=0;i<w.size();i++)
        Q.push_back(make_pair(w[i],i));
    sort(Q.begin(),Q.end());
    for(int i=0;i<w.size();i++)
    {
        suma+=(long long)Q[i].first;
        auto it=mapka.lower_bound(suma-(long long)u);
        if(it==mapka.end())
        {
            mapka[suma]=i;
            continue;
        }
        long long gdzie=it->first;
        if(suma-gdzie>=(long long)l && suma-gdzie<=(long long)u)
        {
            for(int j=it->second+1;j<=i;j++)
            {
                t.push_back(Q[j].second);
            }
            break;
        }
        mapka[suma]=i;
    }
    return t;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:14:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |     for(int i=0;i<w.size();i++)
      |                 ~^~~~~~~~~
molecules.cpp:17:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |     for(int i=0;i<w.size();i++)
      |                 ~^~~~~~~~~

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