Submission #161515

#	Time	Username	Problem	Language	Result	Execution time	Memory
161515		kostia244	Detecting Molecules (IOI16_molecules)	C++14	0 / 100	167 ms	65540 KiB

molecules

#include "molecules.h"
#include<bits/stdc++.h>
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define pb push_back
using namespace std;
using ll = long long;
using vi = vector<int>;
vi find_subset(int l, int u, std::vector<int> w) {
	sort(all(w));
	vi ans;
	if(w[0]==w.back()) {
		for(int i = 0; i <= w.size(); i++) {
			if(i*w[0] >= l && u >= i*w[0]) {
				while(i--) {
					ans.pb(w[0]);
				}
				break;
			}
		}
	} else {
		for(int i = 0; i <= w.size(); i++) {
			if(i>0&&w[i-1]!=w[0]) break;
			for(int j = 0; j+i <= w.size(); j++) {
				if(j>0&&w[w.size()-j]!=w.back()) break;
				if(i*w[0] + j*w.back() >= l && u >= i*w[0] + j*w.back()) {
					while(i--) {
						ans.pb(w[0]);
					}
					while(j--) {
						ans.pb(w.back());
					}
					break;
				}
			}
		}
	}
    return ans;
}

Compilation message (stderr)

molecules.cpp: In function 'vi find_subset(int, int, std::vector<int>)':
molecules.cpp:13:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i = 0; i <= w.size(); i++) {
                  ~~^~~~~~~~~~~
molecules.cpp:22:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i = 0; i <= w.size(); i++) {
                  ~~^~~~~~~~~~~
molecules.cpp:24:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int j = 0; j+i <= w.size(); j++) {
                   ~~~~^~~~~~~~~~~

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