Submission #1367636

#	Time	Username	Problem	Language	Result	Execution time	Memory
1367636		mariza	Detecting Molecules (IOI16_molecules)	C++20	31 / 100	101 ms	98240 KiB

molecules

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

typedef long long ll;

vector<int> find_subset(int l, int r, vector<int> a) {
    ll n=a.size();

    bool ans[n+1][l]={};
    for(ll i=n-1; i>=0; i--){
        for(ll x=0; x<l; x++){
            if(x+a[i]>r) ans[i][x]=ans[i+1][x];
            else if(x+a[i]>=l) ans[i][x]=1;
            else ans[i][x]=ans[i+1][x]|ans[i+1][x+a[i]];
        }
    }

    if(!ans[0][0]) return vector<int>();
    else{
        vector<int> s;
        ll x=0;
        for(ll i=0; i<n; i++){
            if(x+a[i]<=r && (x+a[i]>=l || ans[i+1][x+a[i]]==1)){
                s.push_back(i);
                x+=a[i];
            }
            if(x>=l) break;
        }
        return s;
    }
}

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