Submission #474191

#	Time	Username	Problem	Language	Result	Execution time	Memory
474191		Lam_lai_cuoc_doi	Job Scheduling (IOI19_job)	C++17	19 / 100	105 ms	5820 KiB

job

#include <bits/stdc++.h>

using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;

template <class T>
void read(T &x)
{
    x = 0;
    register int c;
    while ((c = getchar()) && (c > '9' || c < '0'))
        ;
    for (; c >= '0' && c <= '9'; c = getchar())
        x = x * 10 + c - '0';
}

constexpr bool typetest = 0;
constexpr int N = 2e3 + 5;
constexpr int Inf = 1e9 + 7;

ll scheduling_cost(vector<int> p, vector<int> u, vector<int> d)
{
    int n = p.size();
    if (count(p.begin(), p.end(), 0) == n - 1)
    {

        vector<int> id(n);
        for (int i = 0; i < n; ++i)
            id[i] = i;
        sort(id.begin() + 1, id.end(), [&](const int &x, const int &y)
             { return d[x] * u[y] < d[y] * u[x]; });

        ll ans(0), time(0);
        for (int i = 0; i < n; ++i)
        {
            time += d[id[i]];
            //cout << id[i] << " " << time << "\n";
            ans += u[id[i]] * time;
        }
        return ans;
    }
    return Inf;
}

Compilation message (stderr)

job.cpp: In function 'void read(T&)':
job.cpp:12:18: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   12 |     register int c;
      |                  ^

• Subtask 1: 0 / 5
• Subtask 2: 7 / 7
• Subtask 3: 12 / 12
• Subtask 4: 0 / 18
• Subtask 5: 0 / 21
• Subtask 6: 0 / 37