제출 #393822

#제출 시각아이디문제언어결과실행 시간메모리
393822teehandsomeDetecting Molecules (IOI16_molecules)C++11
0 / 100
1 ms208 KiB
#include "molecules.h"
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define endl '\n'
#define INF 1e9+7
#define all(x) x.begin(),x.end()
using namespace std;
using namespace __gnu_pbds;
using ll=long long;
using pii=pair<int,int>;
using ppi=pair<int,pii>;
using oset=tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update>;

template<typename T>
void _print(vector<T> x) {cerr<<"{"; for(auto e:x) cerr<<e<<","; cerr<<"}";}
void _print(pii x) {cerr<<"{"<<x.first<<","<<x.second<<"}";}
template<typename T>
void _print(T x) {cerr<<x;}

void dbg() {cerr<<endl;}
template<typename Head,typename... Tail>
void dbg(Head H,Tail... T) {
    _print(H);
    if(sizeof...(T)) cerr<<",";
    else cerr<<"\"]";
    dbg(T...);
}
#define debug(...) cerr<<"["<<#__VA_ARGS__<<"]:[\"",dbg(__VA_ARGS__)

//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
vector<int> ww;
vector<int> f(int l,int r) {
    vector<int> ans;
    for(int i=l;i<r;i++) {
        ans.push_back(ww[i]);
    }
    return ans;
}

std::vector<int> find_subset(int l, int u, std::vector<int> w) {
    int n=w.size();
    sort(all(w)); ww=w;
    ll sumall=accumulate(all(w),0LL);
    if(sumall<l or w[0]>u) return vector<int>(0);
    int L=0,R=0;
    ll sum=0;
    while(R<n) {
        while(R+1<n and sum<l) {
            sum+=w[R++];
        }
        if(sum>=l and sum<=u) {
            return f(L,R);
        }
        while(L+1<=R and sum>u) {
            sum-=w[L++];
        }
        if(sum>=l and sum<=u) {
            return f(L,R);
        }
        sum+=w[R++];
    }
    while(L<n and sum>u) sum-=w[L++];
    assert(L<=R);
    return f(L,R);
}

#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...