Submission #921349

#	Time	Username	Problem	Language	Result	Execution time	Memory
921349		H1H	Detecting Molecules (IOI16_molecules)	C++17	9 / 100	1 ms	600 KiB

molecules

#include<bits/stdc++.h>
#define T "Task"
using namespace std;


vector<int> find_subset(int l, int u, vector<int> w){
    vector<pair<int, int>> a;
    for(int i = 0; i < w.size(); ++i){
        a.push_back({w[i], i});
    }
    sort(a.begin(), a.end(), [](pair<int,int> a1, pair<int,int> a2){
        return a1.first < a2.first;
    });
    queue<int> qu;
    long long res = 0;
    int id = 0;
    while(id < w.size()){
        res += a[id].first;
        qu.push(id);
        id += 1;
        while(res > u){
            res -= a[qu.front()].first;
        }
        if(res >= l)break;
    }
    vector<int> ans;
    if(res >= l && res <= u){
        while(qu.size()){
            ans.push_back(qu.front());
            qu.pop();
        }
    }
    return ans;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:8:22: 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:17:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |     while(id < w.size()){
      |           ~~~^~~~~~~~~~

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