Submission #798362

#	Time	Username	Problem	Language	Result	Execution time	Memory
798362		Liudas	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	49 ms	7152 KiB

molecules

#include <bits/stdc++.h>
 
using namespace std;
vector<int> find_subset(int L, int R, vector<int> M){
    long long N = M.size();
    vector<pair<long long, long long>> arr(N);
    for(long long i = 0; i < N; i ++){
        arr[i] = {M[i], i};
    }
    sort(arr.begin(), arr.end());
    long long l = 0, r = 0, S = 0;
    for(r; r < N; r ++){
        if(S + arr[r].first <= R){
            S += arr[r].first;
        }
        else{break;}
    }
    while(r < N && S < L){
        S -= arr[l++].first;
        S += arr[r++].first;
    }
    vector<int> p;
    if(L <= S && S <= R){
        for(long long i = l; i < r; i ++){
            p.push_back(arr[i].second);
        }
    }
    return p;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:12:9: warning: statement has no effect [-Wunused-value]
   12 |     for(r; r < N; r ++){
      |         ^

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