Submission #976140

#	Time	Username	Problem	Language	Result	Execution time	Memory
976140		batsukh2006	Detecting Molecules (IOI16_molecules)	C++17	0 / 100	1 ms	600 KiB

molecules

#include "molecules.h"
#include<bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
vector<int> find_subset(int l, int u, vector<int> w) {
	vector<pair<int,int> > v;
	for(int i=0; i<w.size(); i++){
		v.push_back({w[i],i});
	}
	queue<int> q;
	int sum=0,i=0;
	sort(v.begin(),v.end());
    while(sum+v[i].ff<=l&&i<v.size()){
    	sum+=v[i].ff;
    	q.push(v[i++].ss);
    }
    if(i>0){
	    while(sum<=l&&i<v.size()){
	    	sum+=v[i].ff-v[q.front()].ff;
	    	q.push(v[i++].ss);
	    	q.pop();
	    }
	}
    vector<int> ans;
    if(i==0){
    	sum+=v[0].ff;
    	q.push(v[0].ss);
    }
    if(sum>=l&&sum<=u){
	    while(!q.empty()){
	    	ans.push_back(q.front());
	    	q.pop();
	    }
	}
    return ans;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:8:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |  for(int i=0; i<w.size(); i++){
      |               ~^~~~~~~~~
molecules.cpp:14:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |     while(sum+v[i].ff<=l&&i<v.size()){
      |                           ~^~~~~~~~~
molecules.cpp:19:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |      while(sum<=l&&i<v.size()){
      |                    ~^~~~~~~~~

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