Submission #101286

#	Time	Username	Problem	Language	Result	Execution time	Memory
101286		chunghan	Detecting Molecules (IOI16_molecules)	C++17	0 / 100	3 ms	256 KiB

molecules

#include<bits/stdc++.h>
#include"molecules.h"

using namespace std;

typedef long long int lld;
typedef pair<int, int> pii;

vector<int> find_subset(int l, int u, vector<int> w) {
    vector<pii> p;
    vector<int> rst;
    vector<lld> S;
    int a = 0, b = 0;
    for (int i = 0; i < (int)w.size(); i++)
        p.push_back(pii(w[i], i));
    sort(p.begin(), p.end());
    S.push_back(p[0].first);
    for (int i = 1; i < (int)p.size(); i++)
        S.push_back(S[i-1] + p[i].first);
    for (int i = 1; i < (int)p.size(); i++) {
        lld t = S[i] - u;
        int j = lower_bound(S.begin(), S.end(), t) - S.begin();
        if (S[i] - S[j] >= l) {
            a = j;
            b = i;
            break;
        }
    }
    for (int i = a; i <= b; i++)
        rst.push_back(p[i].second);
    return rst;
}

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