Submission #895476

#	Time	Username	Problem	Language	Result	Execution time	Memory
895476		ByeWorld	Detecting Molecules (IOI16_molecules)	C++14	0 / 100	1091 ms	348 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>
#define fi first
#define se second
#define pb push_back
using namespace std;
typedef pair<int,int> pii;

int le = 0, ri = -1, sum = 0;

std::vector<int> find_subset(int l, int r, std::vector<int> w) {
	vector <pii> ma;
	for(int i=0; i<w.size(); i++) ma.pb({w[i], i});
	sort(ma.begin(), ma.end()); int n = w.size();
	while(le < n){
		while(ri+1 < n && sum < l){
			ri++; sum += ma[ri].fi;
		}
		while(le < n && sum > r){
			//cout << le << ' ' << ri << ' ' << sum << " sum\n";
			sum -= ma[le].fi; le++;
		}
		if(l<=sum && sum<=r) break;
	}
	vector <int> ans;
	if(le<n && l<=sum && sum<=r)
		for(int i=le; i<=ri; i++) ans.pb(ma[i].se);
	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:13:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |  for(int i=0; i<w.size(); i++) ma.pb({w[i], 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