oj.uz

Submission #160628

# Submission time Handle Problem Language Result Execution time Memory
160628 2019-10-29T01:28:51 Z luciocf Job Scheduling (CEOI12_jobs) C++14
100 / 100
 377 ms 13832 KB 
#include <bits/stdc++.h>

#define ff first
#define ss second

using namespace std;

typedef pair<int, int> pii;

const int maxn = 1e6+10;

int n, d, m;
pii a[maxn];

bool ok(int x)
{
	int cur_d = 1;

	for (int i = 1; i <= m; i++)
	{
		int j = i;
		for (; j <= m && a[j].ff <= cur_d && j-i+1 <= x; j++)
			if (cur_d > a[j].ff+d)
				return 0;

		i = j-1;
		cur_d++;
	}

	return 1;
}

int busca(void)
{
	int ini = 1, fim = m, ans = m;

	while (ini <= fim)
	{
		int mid = (ini+fim)>>1;

		if (ok(mid)) ans = mid, fim = mid-1;
		else ini = mid+1;
	}

	return ans;
}

int main(void)
{
	scanf("%d %d %d", &n, &d, &m);

	for (int i = 1; i <= m; i++)
	{
		scanf("%d", &a[i].ff);
		a[i].ss = i;
	}

	sort(a+1, a+m+1);

	int ans = busca();
	printf("%d\n", ans);

	int cur_d = 1, ind = 1;

	for (int i = 1; i <= n; i++)
	{
		int ant = ind;

		for (; ind <= m && a[ind].ff <= cur_d && ind-ant+1 <= ans; ind++)
			printf("%d ", a[ind].ss);
		printf("0\n");

		cur_d++;
	}
}

Compilation message

jobs.cpp: In function 'int main()':
jobs.cpp:50:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d %d", &n, &d, &m);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
jobs.cpp:54:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a[i].ff);
   ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 1784 KB Output is correct
2 Correct 26 ms 1784 KB Output is correct
3 Correct 26 ms 1756 KB Output is correct
4 Correct 25 ms 1756 KB Output is correct
5 Correct 26 ms 1760 KB Output is correct
6 Correct 26 ms 1784 KB Output is correct
7 Correct 26 ms 1656 KB Output is correct
8 Correct 26 ms 1756 KB Output is correct
9 Correct 39 ms 1956 KB Output is correct
10 Correct 39 ms 2168 KB Output is correct
11 Correct 37 ms 1656 KB Output is correct
12 Correct 72 ms 3212 KB Output is correct
13 Correct 108 ms 4616 KB Output is correct
14 Correct 151 ms 6188 KB Output is correct
15 Correct 193 ms 7676 KB Output is correct
16 Correct 227 ms 9208 KB Output is correct
17 Correct 266 ms 10688 KB Output is correct
18 Correct 313 ms 12124 KB Output is correct
19 Correct 377 ms 13832 KB Output is correct
20 Correct 265 ms 10664 KB Output is correct