Submission #729137

#	Time	Username	Problem	Language	Result	Execution time	Memory
729137		NintsiChkhaidze	Detecting Molecules (IOI16_molecules)	C++17	0 / 100	1 ms	212 KiB

molecules

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

vector <int> w;
bool cmp(int x,int y){
	return (w[x] < w[y]);
}
vector<int> find_subset(int l, int u, vector<int> k) {
	vector <int> a; a.clear();
	w = k;
	for (int i=0;i<w.size();i++) a.pb(i);
	sort(a.begin(),a.end(),cmp);
	
	long long s = 0;
	int r = 0,L=-1,R=0;
	for (int i = 0; i < w.size(); i++){
		while (r < w.size() && s < l) s += w[a[r]],r++;
		
		if (s >= l && s <= u) {
			L = i,R = r - 1;
			break;
		}
		s -= w[i];
	}
	
	vector <int> res; res.clear();
	for (int i = L; i <= R; i++)
		res.pb(a[i]);
    return res;
}

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++) a.pb(i);
      |               ~^~~~~~~~~
molecules.cpp:18:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |  for (int i = 0; i < w.size(); i++){
      |                  ~~^~~~~~~~~~
molecules.cpp:19:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |   while (r < w.size() && s < l) s += w[a[r]],r++;
      |          ~~^~~~~~~~~~

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