Submission #790515

#	Time	Username	Problem	Language	Result	Execution time	Memory
790515		Andrey	Detecting Molecules (IOI16_molecules)	C++14	100 / 100	41 ms	9024 KiB

molecules

#include "molecules.h"
#include<bits/stdc++.h>
using namespace std;

vector<int> find_subset(int l, int u, vector<int> w) {
    queue<pair<long long,long long>> idk;
    vector<pair<long long,long long>> haha(0);
    for(long long i = 0; i < w.size(); i++) {
        haha.push_back({w[i],i});
    }
    sort(haha.begin(),haha.end());
    long long sb = 0,a;
    for(long long i = 0; i < w.size(); i++) {
        a = haha[i].first;
        sb+=a;
        idk.push(haha[i]);
        while(sb > u) {
            sb-=idk.front().first;
            idk.pop();
        }
        if(sb <= u && sb >= l) {
            break;
        }
    }
    if(sb > u || sb < l) {
        return vector<int> (0);
    }
    vector<int> ans(0);
    while(!idk.empty()) {
        ans.push_back(idk.front().second);
        idk.pop();
    }
    return ans;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:8:28: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |     for(long long i = 0; i < w.size(); i++) {
      |                          ~~^~~~~~~~~~
molecules.cpp:13:28: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |     for(long long 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