Submission #905052

# Submission time Handle Problem Language Result Execution time Memory
905052 2024-01-12T13:30:23 Z gun_gan Job Scheduling (CEOI12_jobs) C++17
100 / 100
85 ms 920 KB
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

const int MX = 1e6 + 5;
int N, M, D;
int cnt[MX];

bool f(int x) {
      deque<int> dq;
      for(int i = 1; i <= N; i++) {
            if(dq.size() && dq.front() < i) return 0;
            for(int j = 0; j < cnt[i]; j++) dq.push_back(i + D);
            for(int j = 0; j < x; j++) {
                  if(dq.empty()) break;
                  dq.pop_front();
            }
      }     

      if(dq.size()) return 0;
      return 1;
}

// void p(int x) {
//       deque<int> dq;
//       for(int i = 1; i <= N; i++) {
//             for(int j = 0; j < cnt[i]; j++) dq.push_back(i + D);
//             for(int j = 0; j < x; j++) {
//                   if(dq.empty()) break;
//                   dq.pop_front();
//             }
//       }     
// }

int main() {
      cin.tie(0); ios_base::sync_with_stdio(0);

      cin >> N >> D >> M;
      for(int i = 0; i < M; i++) {
            int x;
            cin >> x;
            cnt[x]++;
      }

      int l = 1, r = M, ans = 0;
      while(l <= r) {
            int mid = (l + r) >> 1;
            if(f(mid)) {
                  r = mid - 1, ans = mid;
            } else {
                  l = mid + 1;
            }
      }

      cout << ans << '\n';
      for(int i = 0; i < N; i++) cout << 0 << '\n';
      // p(ans);
}
# Verdict Execution time Memory Grader output
1 Correct 10 ms 876 KB Output is correct
2 Correct 12 ms 872 KB Output is correct
3 Correct 10 ms 920 KB Output is correct
4 Correct 12 ms 876 KB Output is correct
5 Correct 9 ms 872 KB Output is correct
6 Correct 10 ms 864 KB Output is correct
7 Correct 10 ms 876 KB Output is correct
8 Correct 9 ms 876 KB Output is correct
9 Correct 17 ms 548 KB Output is correct
10 Correct 15 ms 532 KB Output is correct
11 Correct 12 ms 348 KB Output is correct
12 Correct 16 ms 348 KB Output is correct
13 Correct 23 ms 472 KB Output is correct
14 Correct 34 ms 604 KB Output is correct
15 Correct 37 ms 348 KB Output is correct
16 Correct 49 ms 344 KB Output is correct
17 Correct 85 ms 484 KB Output is correct
18 Correct 63 ms 500 KB Output is correct
19 Correct 76 ms 452 KB Output is correct
20 Correct 67 ms 348 KB Output is correct