Submission #553222

#	Time	Username	Problem	Language	Result	Execution time	Memory
553222		sandry24	Detecting Molecules (IOI16_molecules)	C++17	0 / 100	1 ms	292 KiB

molecules

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

typedef long long ll;
typedef vector<int> vi;
typedef pair<int, int> pi;
#define pb push_back
#define mp make_pair
#define f first
#define s second

vi find_subset(int l, int u, vi w){
    sort(w.begin(), w.end(), greater<int>());
    ll sum = 0;
    int ind = 0;
    vector<int> visited(w.size());
    while(ind != w.size()){
        if(sum + w[ind] < l){
            sum += w[l];
            visited[ind] = 1;
        }
        ind++;
    }
    vi ans;
    for(int i = w.size()-1; i >= 0; i--){
        if(!visited[i]){
            sum += w[i];
            visited[ind] = 1;
            break;
        }
    }
    if(sum >= l && sum <= u){
        for(int i = 0; i < w.size(); i++){
            if(visited[i])
                ans.pb(i);
        }
    }
    return ans;
}

Compilation message (stderr)

molecules.cpp: In function 'vi find_subset(int, int, vi)':
molecules.cpp:17:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |     while(ind != w.size()){
      |           ~~~~^~~~~~~~~~~
molecules.cpp:33:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |         for(int i = 0; i < w.size(); i++){
      |                        ~~^~~~~~~~~~

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