답안 #502067

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
502067 2022-01-05T08:06:15 Z forevpurity Job Scheduling (CEOI12_jobs) C++17
100 / 100
471 ms 13892 KB
#include <bits/stdc++.h>
 
using namespace std;
 
int n; int d; int m;
 
bool check(int x,vector<pair<int,int>>& jobs) {
  int j = 0;
  int maxdelay = 0;
  for(int i=1;i<=n;i++) {
	int machines = x;
    while(j<m&&jobs[j].first<=i&&machines>0) {
      machines--;
	  maxdelay = max(maxdelay,i-jobs[j].first);
	  j++;
	}
  }
  return maxdelay <= d;
}
 
int main() {
  cin >> n >> d >> m;
  vector<pair<int,int>> jobs(m,make_pair(0,0));
  for(int i=0;i<m;i++) {
    cin >> jobs[i].first;
	jobs[i].second = i+1;		
  }
  sort(jobs.begin(),jobs.end());
  int l = 1;
  int r = 100000;
  while(l<r) {
	  int mid = (l+r)/2;
      if(mid==l||mid==r) {
		  break;
	  }
	  if(check(mid,jobs)) {
		r = mid;
	  } else {
		l = mid;
	  }
  }
  if(check(l,jobs)) {
	int j = 0;
	cout << l << endl;
	for(int i=1;i<=n;i++) {
	  int machines = l;
      while(j<m&&jobs[j].first<=i&&machines>0) {
        machines--;
		cout << jobs[j].second << " ";
	    j++;
	  }
	  cout << 0 << endl;
    }
  } else {
	int j = 0;
	cout << r << endl;
    for(int i=1;i<=n;i++) {
	  int machines = r;
      while(j<m&&jobs[j].first<=i&&machines>0) {
        machines--;
		cout << jobs[j].second << " ";
	    j++;
	  }
	  cout << 0 << endl;
    }
  }
}
# 결과 실행 시간 메모리 Grader output
1 Correct 50 ms 1740 KB Output is correct
2 Correct 41 ms 1732 KB Output is correct
3 Correct 42 ms 1732 KB Output is correct
4 Correct 40 ms 1728 KB Output is correct
5 Correct 52 ms 1736 KB Output is correct
6 Correct 54 ms 1724 KB Output is correct
7 Correct 40 ms 1728 KB Output is correct
8 Correct 50 ms 1648 KB Output is correct
9 Correct 170 ms 1884 KB Output is correct
10 Correct 147 ms 1852 KB Output is correct
11 Correct 43 ms 1692 KB Output is correct
12 Correct 82 ms 3304 KB Output is correct
13 Correct 115 ms 4696 KB Output is correct
14 Correct 185 ms 6236 KB Output is correct
15 Correct 207 ms 7672 KB Output is correct
16 Correct 270 ms 9144 KB Output is correct
17 Correct 341 ms 10736 KB Output is correct
18 Correct 335 ms 12136 KB Output is correct
19 Correct 471 ms 13892 KB Output is correct
20 Correct 305 ms 10712 KB Output is correct