Submission #617307

#	Time	Username	Problem	Language	Result	Execution time	Memory
617307		Dremix10	Detecting Molecules (IOI16_molecules)	C++17	46 / 100	1085 ms	4904 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> pi;
typedef pair<ll,ll> pl;
#ifdef dremix
    #define p(x) cerr<<#x<<" = "<<x<<endl;
    #define p2(x,y) cerr<<#x<<" , "<<#y<<" = "<<x<<" , "<<y<<endl;
    #define pp(x) cerr<<#x<<" = ("<<x.F<<" - "<<x.S<<")"<<endl;
    #define pv(x) cerr<<#x<<" = {";for(auto u : x)cerr<<u<<", ";cerr<<"}"<<endl;
    #define ppv(x) cerr<<#x<<" = {";for(auto u : x)cerr<<u.F<<"-"<<u.S<<", ";cerr<<"}"<<endl;
#else
    #define p(x) {}
    #define p2(x,y) {}
    #define pp(x) {}
    #define pv(x) {}
    #define ppv(x) {}
#endif
#define endl '\n'
#define all(x) (x).begin(),(x).end()
#define F first
#define S second
const int N = 5e5+5;
const int MOD = 1e9+7;
const ll INF = 1e18+5;


std::vector<int> find_subset(int l, int u, std::vector<int> w) {
    int n = w.size();
    //sort(all(w));

    set <int> arr;
    vector<int> neo;
    arr.insert(0);
    int v[N];
    memset(v,-1,sizeof(v));
    //pv(v)
    int i = 0;
    int found = 0;
    pv(w)
    for(auto &x : w){
        for(auto &y : arr){
            if(x+y > u)break;
            if(v[x+y] == -1){
                neo.push_back(x+y);
                v[x+y] = i;
            }
        }
        for(auto &y : neo){
            arr.insert(y);
            if(l<=y && y<=u){
                found = y;
                break;
            }
        }
        if(found)break;
        neo.clear();
        i++;
    }
    vector<int> ans;
    while(found){
        ans.push_back(v[found]);
        found -= w[v[found]];
    }
    pv(ans)
    return ans;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:30:9: warning: unused variable 'n' [-Wunused-variable]
   30 |     int n = w.size();
      |         ^

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