제출 #976167

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
976167		batsukh2006	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	46 ms	4296 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});
	}
	int i=0;
	queue<int> q;
	long long sum=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<v.size()&&(sum+v[i].ff>=l&&sum+v[i].ff<=u)){
    	vector<int> ans;
    	ans.push_back(v[i].ss);
	    while(!q.empty()){
	    	ans.push_back(q.front());
	    	q.pop();
	    }
		return ans;
	}else{
	    if(i>0){
		    while(sum<=l&&i<v.size()){
		    	sum+=v[i].ff-w[q.front()];
		    	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;
	}
}

컴파일 시 표준 에러 (stderr) 메시지

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:15:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |     while(sum+v[i].ff<=l&&i<v.size()){
      |                           ~^~~~~~~~~
molecules.cpp:19:9: 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 |     if(i<v.size()&&(sum+v[i].ff>=l&&sum+v[i].ff<=u)){
      |        ~^~~~~~~~~
molecules.cpp:29:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |       while(sum<=l&&i<v.size()){
      |                     ~^~~~~~~~~

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