Submission #1297042

#	Time	Username	Problem	Language	Result	Execution time	Memory
1297042		baotoan655	Detecting Molecules (IOI16_molecules)	C++20	100 / 100	38 ms	3880 KiB

molecules

#include <bits/stdc++.h>
#define file(name)  if (fopen(name".inp", "r")) { freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout); }
using namespace std;
vector<int> v, A;
vector<int> ans;
long long L, R;

bool cmp(const int &x, const int &y) {
    return A[x] < A[y];
}

vector<int> find_subset(int l, int u, vector<int> w) {
    A = w;
    for(int i = 0; i < (int)w.size(); i++) v.push_back(i);
    sort(v.begin(), v.end(), cmp);
    for(int i = 0; i < (int)w.size(); i++) {
        L += w[v[i]], R += w[v[(int)w.size() - i - 1]];
        if(R >= l && L <= u) {
            int j = i;
            while(l > L) L = L - w[v[j - i]] + w[v[j + 1]], j++;
            for(int k = j - i; k <= j; k++) ans.push_back(v[k]);
            return ans;
        }
    }
    return ans;
}

Compilation message (stderr)

molecules.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
molecules_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~

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