Submission #1002368

#	Time	Username	Problem	Language	Result	Execution time	Memory
1002368		Valters07	Jobs (BOI24_jobs)	C++14	29 / 100	91 ms	10944 KiB

Main

#include <bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,popcnt,lzcnt")
#define fio ios_base::sync_with_stdio(0);cin.tie(0);
#define en cin.close();return 0;
#define ll long long
#define pb push_back
#define fi first
#define se second
using namespace std;
const int N = 3e5+5;
int a[N];
bool st[N];
int main()
{
    fio
//    ifstream cin("in.in");
    int n;
    ll cash;
    cin >> n >> cash;
    ll c1 = cash;
    priority_queue<pair<pair<ll,ll>,int>,vector<pair<pair<ll,ll>,int> >,greater<pair<pair<ll,ll>,int> > > q;
    for(int i = 1,p;i<=n;i++)
    {
        cin >> a[i] >> p;
        if(p==0)
        {
            st[i]=1;
            q.push({{0,0},i});
        }
    }
    st[n+1]=1;
    while(!q.empty()&&q.top().fi.fi<=cash)
    {
        cash+=q.top().fi.se;
        int pos = q.top().se;
        q.pop();
        if(pos>n)
            continue;
        ll cur = 0, mi = 0;
        for(int i = pos;i==pos||!st[i];i++)
        {
            cur+=a[i];
            mi=min(mi,cur);
            if(cur>0)
            {
                int nxt = (st[i+1]?n+1:i+1);
                q.push({{-mi,cur},nxt});
                break;
            }
        }
    }
    cout << cash-c1;
    return 0;
}

• Subtask 1: 0 / 11
• Subtask 2: 14 / 14
• Subtask 3: 15 / 15
• Subtask 4: 0 / 29
• Subtask 5: 0 / 31