Submission #435356

#	Time	Username	Problem	Language	Result	Execution time	Memory
435356		FEDIKUS	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	60 ms	7108 KiB

molecules

#include "molecules.h"

#include<bits/stdc++.h>

using namespace std;

typedef long long lng;

std::vector<int> find_subset(int l, int u, std::vector<int> w) {
    vector<int> res;
    vector<pair<lng,lng> > ww(w.size());
    for(lng i=0;i<w.size();i++){
        ww[i]={w[i],i};
    }
    sort(ww.begin(),ww.end());
    lng ll=0;
    lng rr=0;
    lng sum=ww[0].first;
    while(rr<w.size()){
        if(sum>=l && sum<=u){
            for(lng i=ll;i<=rr;i++) res.push_back(ww[i].second);
            break;
        }else if(sum<l || ll==rr){
            if(rr==w.size()-1) break;
            rr++;
            sum+=ww[rr].first;
        }else{
            sum-=ww[ll].first;
            ll++;
        }
    }
    return res;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:12:18: warning: comparison of integer expressions of different signedness: 'lng' {aka 'long long int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |     for(lng i=0;i<w.size();i++){
      |                 ~^~~~~~~~~
molecules.cpp:19:13: warning: comparison of integer expressions of different signedness: 'lng' {aka 'long long int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |     while(rr<w.size()){
      |           ~~^~~~~~~~~
molecules.cpp:24:18: warning: comparison of integer expressions of different signedness: 'lng' {aka 'long long int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |             if(rr==w.size()-1) break;
      |                ~~^~~~~~~~~~~~

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