Submission #898827

#	Time	Username	Problem	Language	Result	Execution time	Memory
898827		hadi7	Job Scheduling (CEOI12_jobs)	C++17	35 / 100	421 ms	15740 KiB

jobs

#include<bits/stdc++.h>
#define FAST ios::sync_with_stdio(0); cin.tie(0)
#define f first
#define s second
using namespace std ;

const int N = 2e6 ;
int n , k , m ;
vector <pair <int , int>> p ;

bool slv(int x)
{
    int u = 0 ;
    for(int i = 1 ; i <= n ; i++)
    {
        for(int j = 0 ; j < x ; j++)
        {
            while(p[u].f > i)
                i++ ;

            if(p[u].f > i + k)
                return 0 ;

            u++ ;

            if(u == m)
                return 1 ;
        }
    }

    return 0 ;
}
main()
{
    cin >> n >> k >> m ;
    p.resize(m) ;

    for(int i = 0 ; i < m ; i++)
    {
        cin >> p[i].f ;
        p[i].s = i + 1 ;
    }

    sort(p.begin() , p.end()) ;

    int l = 0 , r = 1e18 ;
    while(l + 1 < r)
    {
        int h = l + (r - l) / 2 ;
        if(slv(h))
            r = h ;
        else
            l = h ;
    }

    cout << r << endl ;

    int z = 0 ;
    for(int i = 0 ; i < m ;)
    {
        for(int j = 0 ; j < r && i < m ; j++ , i++)
        {
            cout << p[i].s << " " ;
        }
        cout << 0 << endl ;
        z++ ;
    }

    for(; z < n ; z++)
        cout << 0 << endl ;
}

Compilation message (stderr)

jobs.cpp:33:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   33 | main()
      | ^~~~
jobs.cpp: In function 'int main()':
jobs.cpp:46:21: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
   46 |     int l = 0 , r = 1e18 ;
      |                     ^~~~

• Subtask 1: 35 / 100