Submission #1205137

#	Time	Username	Problem	Language	Result	Execution time	Memory
1205137		al95ireyiz	Detecting Molecules (IOI16_molecules)	C++20	100 / 100	35 ms	5196 KiB

molecules

//*** Bismillah ***//
#pragma GCC optimize("O3")
#pragma GCC optimize("fast-math")
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("no-stack-protector")
#include <bits/stdc++.h>
using namespace std;
#define fr first
#define er erase
#define sc second
#define in insert
#define ll long long
#define pb push_back
#define vll vector<ll>
#define pll pair<ll,ll>
#define vvll vector<vll>
#define vpll vector<pll>
#define len(x)(ll)x.size()
#define all(x)x.begin(),x.end()
const ll INF = 1e9;
const ll INFL = 1e18;
const ll MOD = 1e9+7;
// const ll MOD = 998244353;
const ll maxn = 2e5+5;
ll n,m,k=0;
#include "molecules.h"
ll l, r, lf, rt, cm;
pll v[maxn];
std::vector<int> find_subset(int _l, int _r, std::vector<int>a){
    n = len(a), l = _l, r = _r;
    for(ll i = 0; i < n; i ++) v[i] = {a[i], i};
    sort(v, v + n);
    lf = rt = cm = 0;
    while(rt < n){
        cm += v[rt].fr;
        while(cm > r){
            cm -= v[lf].fr;
            lf ++;
        }
        if(l <= cm and cm <= r){
            vector<int> cv;
            for(ll i = lf; i <= rt; i ++){
                cv.pb(v[i].sc);
            }
            return cv;
        }
        rt ++;
    }
    return {};
}
// void _(ll tt){

// }
// signed main(){
//     ll tm=clock();
//     cin.tie(0)->sync_with_stdio(0);
//     ll t=1;
//     cin>>t;
//     for(ll tt=1;tt<=t;tt++){
//         _(tt);
//     }
//     cerr<<"\n\033[1;31mTime: \033[1;30m" \
//         <<(double)(clock()-tm)/1000000<<"\033[1;32m seconds\n";
// }

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