| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 309446 | cig32 | Detecting Molecules (IOI16_molecules) | C++14 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "molecules.h"
#include<bits/stdc++.h>
#define ll long long
using namespace std;
int main(){
ll n,l,u;
cin >> n >> l>>u;
pair<ll,ll> w[n];
bool used[n];
ll tot_sum=0;
for(int i=0;i<n;i++)cin>>w[i].first;
for(int i=0;i<n;i++)w[i].second=i;
for(int i=0;i<n;i++)tot_sum+=w[i].first;
for(int i=0;i<n;i++)used[i]=false;
sort(w,w+n);
ll curr_sum=0, pt=0, nani=0;
for(int i=0;i<n;i++){
curr_sum+=w[i].first;
if(u<curr_sum){
curr_sum-=w[i].first;
pt=i;
break;
}
used[i]=true;
nani++;
if(l<=curr_sum&&curr_sum<=u){
cout<<nani<<"\n";
for(int j=0;j<n;j++){
if(used[j])cout<<w[j].second<<" ";
}
cout<<"\n";
return 0;
}
}
for(int i=0;i<min(n-pt,pt);i++){
curr_sum-=w[i].first;
used[i]=false;
curr_sum+=w[n-i-1].first;
used[n-i-1]=true;
if(l<=curr_sum&&curr_sum<=u){
break;
}
}
if(l<=curr_sum&&curr_sum<=u){
cout << nani << "\n";
for(int i=0;i<n;i++){
if(used[i]) cout<<w[i].second<<" ";
}
}
else{
cout<<"0\n";
}
}