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Submission #260065

# Submission time Handle Problem Language Result Execution time Memory
260065 2020-08-09T07:57:36 Z MiricaMatei Job Scheduling (CEOI12_jobs) C++17
100 / 100
 355 ms 17272 KB 
#include <bits/stdc++.h>

using namespace std;

const int MAXN = 100005;
const int MAXM = 1000005;

pair<int, int> v[MAXM];

bool ok(int n, int d, int m, int k) {
  int j = 1;
  for (int i = 1; i <= n; ++i) {
    int k1 = k;
    while (j <= m && v[j].first <= i && k1 > 0) {
      if (i - v[j].first > d)
        return 0;
      j++;
      k1--;
    }
  }
  return 1;
}

int main() {
  //freopen("date.in", "r", stdin);
  //freopen("date.out", "w", stdout);

  int n, d, m;
  scanf("%d%d%d", &n, &d, &m);
  for (int i = 1; i <= m; ++i) {
    scanf("%d", &v[i].first);
    v[i].second = i;
  }

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

  int ans = 0;
  for (int i = 19; i >= 0; --i)
    if (ans + (1 << i) < m && !ok(n, d, m, ans + (1 << i)))
      ans += (1 << i);

  printf("%d\n", ans + 1);
  int k = ans + 1, j = 1;
  for (int i = 1; i <= n; ++i) {
    int k1 = k;
    while (j <= m && v[j].first <= i && k1 > 0) {
      printf("%d ", v[j].second);
      if (i - v[j].first > d)
        return 0;
      j++;
      k1--;
    }
    printf("0\n");
  }

  return 0;
}

Compilation message

jobs.cpp: In function 'int main()':
jobs.cpp:29:8: 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:31:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &v[i].first);
     ~~~~~^~~~~~~~~~~~~~~~~~~

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 2040 KB Output is correct
2 Correct 27 ms 2048 KB Output is correct
3 Correct 27 ms 2040 KB Output is correct
4 Correct 28 ms 2040 KB Output is correct
5 Correct 27 ms 2048 KB Output is correct
6 Correct 27 ms 2048 KB Output is correct
7 Correct 27 ms 2048 KB Output is correct
8 Correct 31 ms 2040 KB Output is correct
9 Correct 39 ms 2168 KB Output is correct
10 Correct 43 ms 2168 KB Output is correct
11 Correct 36 ms 2044 KB Output is correct
12 Correct 76 ms 3968 KB Output is correct
13 Correct 113 ms 5756 KB Output is correct
14 Correct 160 ms 8180 KB Output is correct
15 Correct 195 ms 9720 KB Output is correct
16 Correct 259 ms 12160 KB Output is correct
17 Correct 283 ms 13992 KB Output is correct
18 Correct 312 ms 15224 KB Output is correct
19 Correct 355 ms 17272 KB Output is correct
20 Correct 280 ms 13944 KB Output is correct