Submission #1139750

#	Time	Username	Problem	Language	Result	Execution time	Memory
1139750		AmirMakaM	Detecting Molecules (IOI16_molecules)	C++20	100 / 100	34 ms	3656 KiB

molecules

#include <bits/stdc++.h>
#include "molecules.h"
using namespace std;
#define ull unsigned long long
#define ll long long
#define ld long double
#define pb push_back
#define f first
#define s second 
#define sz(x) (int)x.size()
#define all(x) x.begin(),x.end()
#define pii pair<int,int> 
#define pll pair<ll,ll>
#define pld pair<ld,ld>
#define pdd pair<double,double>
#define mp make_pair   
#define AmirMakaM ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0)
// solve it
const ull SEED = chrono::steady_clock::now().time_since_epoch().count();
mt19937_64 mrand(SEED);
ull rnd(ull x = ~(0ull)) {return mrand() % x;} 
const ll MOD = 998244353;
const ll INF = 1e16+20;
const int inf = 1e9 + 7;
const ll N = 1e4+5;
const ll M = 2e3+1;
const double pi = 2*acos(0.0);
const int dx[] = {1,-1,0,0}, dy[] = {0,0,1,-1};

vector<int> find_subset(int l, int r, vector<int> w) {
    int n = sz(w);
    vector<pii> a(n);
    for(int i=0; i<n; i++) {
        a[i] = {w[i],i};
    }
    sort(all(a));
    
    int j = -1;
    ll sum = 0;
    for(int i=0; i<n; i++) {
        if(j<i) j = i, sum = a[i].f;

        while(sum<l && j+1<n) {
            j++, sum += a[j].f;
        }

        if(l<=sum && sum<=r) {
            vector<int> ans;
            for(int t=i; t<=j; t++) ans.pb(a[t].s);
            return ans;
        }

        sum -= a[i].f;
    }

    return {};
}

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