Submission #785886

#	Time	Username	Problem	Language	Result	Execution time	Memory
785886		OrazB	Job Scheduling (CEOI12_jobs)	C++14	55 / 100	238 ms	15736 KiB

jobs

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <functional>
using namespace __gnu_pbds;
using namespace std;
typedef tree<int, null_type, less<int>, rb_tree_tag,
             tree_order_statistics_node_update>
    ordered_set;
//Dijkstra->set
//set.find_by_order(x) x-position value
//set.order_of_key(x) number of strictly less elements don't need *set.??
#define N 1000005
#define wr cout << "Continue debugging\n";
#define all(x) (x).begin(), (x).end()
#define ll long long int
#define pii pair <int, int>
#define pb push_back
#define ff first
#define ss second

int arr[N], ind[N];

bool cmp(int x, int y){
	return (arr[x] < arr[y]);
}

int main ()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	int n, d, m;
	cin >> m >> d >> n;
	for (int i = 1; i <= n; i++) cin >> arr[i], ind[i] = i;
	sort(ind+1, ind+n+1, cmp);
	// for (int i = 1; i <= n; i++) cout << arr[ind[i]] << " ";
	cout << '\n';
	int l = 1, r = n, ans;
	while(l <= r){
		int md = (l+r)/2;
		int x = md, cnt = 1, tr = 0;
		for (int i = 1; i <= n; i++){
			if (!x){
				cnt++;
				x = md-1;
			}else x--;
			if (arr[ind[i]]+d < cnt){tr=1;break;}
		}
		if (tr) l = md + 1;
		else{
			ans = md;
			r = md - 1;
		}
	}
	cout << ans << '\n';
	int x = ans, cnt = 1;
	for (int i = 1; i <= n; i++){
		if (!x){
			cnt++;
			cout << "0\n";
			x = ans-1;
		}else x--;
		cout << ind[i] << " ";
	}
	for (int i = cnt; i <= m; i++){
		cout << "0";
		if (i != m) cout << '\n'; 
	}
}	

Compilation message (stderr)

jobs.cpp: In function 'int main()':
jobs.cpp:55:17: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized]
   55 |  cout << ans << '\n';
      |                 ^~~~

• Subtask 1: 55 / 100