# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
1158857 | why1 | Detecting Molecules (IOI16_molecules) | C++20 | 43 ms | 6728 KiB |
#include "molecules.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define sz size()
#define pll pair<ll,ll>
#define fi first
#define se second
vector<int> find_subset(int l, int r, vector<int> w) {
int n=w.sz;
pll a[n+1];
for(int i = 1; i <= n; i++){
a[i]={w[i-1],i-1};
}
sort(a+1,a+n+1);
ll pref[n+1];
memset(pref,0,sizeof(pref));
for(int i = 1; i <= n; i++){
pref[i]=pref[i-1]+a[i].fi;
}
vector<int> ans;
for(int i = 1; i <= n; i++){
if(a[i].fi>r) continue;
ll L=i,R=n+1;
while(L+1<R){
int mid=(L+R)/2;
if(pref[mid]<=r+pref[i-1])
L=mid;
else
R=mid;
}
ll j=L;
if(l<=pref[j]-pref[i-1]){
for(int k = i; k <= j; k++){
ans.pb(a[k].se);
}
return ans;
}
}
return ans;
}
Compilation message (stderr)
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
Fetching results... |