Submission #122274

#	Time	Username	Problem	Language	Result	Execution time	Memory
122274		turbat	Detecting Molecules (IOI16_molecules)	C++14	0 / 100	2 ms	384 KiB

molecules

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


vector<int> find_subset(int l, int u, vector<int> w) {
    vector <int> ans;
    vector <pair <int, int> > v;
    for (int i = 0;i < w.size();i++)
    	v.push_back({w[i], i});
    sort(v.begin(), v.end());
    int s = 0;
    for (int i = 1;i < v.size();i++){
    	if (s + v[i].first <= u){
 			s += v[i].first;
    		ans.push_back(v[i].second);
    	}
    	else {
    		if (s < l){
    			ans.push_back(v[i].second);
    			ans.erase(ans.begin() + 0);
    			if (s + v[i].first - v[0].first < l || s + v[i].first - v[0].first > u)
    				ans.clear();
    		}
    		break;
    	}
    }
    // cout << l << ' ' << u << endl;
    // for (int x : ans)
    // 	cout << x<< ' ';
    // cout << endl;
    sort(ans.begin(), ans.end());
    return ans;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:9:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0;i < w.size();i++)
                    ~~^~~~~~~~~~
molecules.cpp:13:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 1;i < v.size();i++){
                    ~~^~~~~~~~~~

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