Submission #472102

#	Time	Username	Problem	Language	Result	Execution time	Memory
472102		Cross_Ratio	Detecting Molecules (IOI16_molecules)	C++14	100 / 100	61 ms	6296 KiB

molecules

#include <bits/stdc++.h>
//#include "molecules.h"
using namespace std;
typedef pair<int,int> P;
vector<int> find_subset(int l, int u, vector<int> w) {
    int i;
    int N = w.size();
    vector<P> V;
    for(i=0;i<N;i++) {
        V.push_back(P(w[i],i));
    }
    sort(V.begin(),V.end());
    int j = 0;
    long long int sum = 0;
    for(i=0;i<N;i++) {
        sum += V[i].first;
        if(sum > u) {
            while(sum > u) {
                sum -= V[j].first;
                j++;
            }
            if(sum >= l) {
                vector<int> ans;
                for(int k=j;k<=i;k++) ans.push_back(V[k].second);
                sort(ans.begin(),ans.end());
                return ans;
            }
        }
        else if(sum >= l) {
            vector<int> ans;
            for(int k=j;k<=i;k++) ans.push_back(V[k].second);
            sort(ans.begin(),ans.end());
            return ans;
        }
    }
    return vector<int> {};
}

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