Submission #617835

#	Time	Username	Problem	Language	Result	Execution time	Memory
617835		SAAD	Detecting Molecules (IOI16_molecules)	C++17	9 / 100	1 ms	244 KiB

molecules

#define F first
#define S second
#define rep(i,a,b) for(int i=a;!(a==b&&i!=b)&&((i<=b&&b>=a)||(i>=b&&a>=b));i+=(a<=b?1:-1))
#define pb push_back
#define Fbitl __builtin_ffs
#define bit1 __builtin_popcount
#include <iostream>
#include <math.h>
#include <algorithm>
#include <string.h>
#include <vector>
#include <queue>
#include <map>
#include <unordered_map>

using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef pair<string, string> pss;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<pii> vii;
typedef vector<ll> vl;
typedef vector<vl> vvl;
#include "molecules.h"

vector<int> find_subset(int l, int u, vector<int> w) {
    vii s;
    for (int i = 0; i < w.size(); i++) {
        s.push_back({w[i],i});
    }
    sort(s.begin(), s.end());
    vi res;
    int sum = 0 ;
    bool th = false;
    for (int i = s.size() - 1; i >= 0; i--) {
        if (sum + s[i].F <= u) {
            res.push_back(s[i].S);
            sum += s[i].F;
        }
        if (sum >= l && sum <= u) {
            th = true;
            break;
        }
    }
     if ( !th ) return vector<int>(0);
     return res;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:30:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |     for (int i = 0; i < w.size(); i++) {
      |                     ~~^~~~~~~~~~

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