oj.uz

Submission #554890

# Submission time Handle Problem Language Result Execution time Memory
554890 2022-04-29T14:28:28 Z Genius3435 Job Scheduling (CEOI12_jobs) C++17
100 / 100
 286 ms 13516 KB 
#include <bits/stdc++.h>
using namespace std;

constexpr int N = 100005;
constexpr int M = 1000005;
vector<int> ids[N];
int n, d, m;

bool test(int c, bool print=false) {
    queue<pair<int, int>> q; // stores {day, id}
    for (int i = 1; i <= n; ++i) {
        for (const int id : ids[i]) q.emplace(i, id);
        for (int j = 0; j < c && !q.empty(); ++j) {
            if (print) printf("%d ", q.front().second);
            q.pop();
        }
        if (print) printf("0\n");
        if (!q.empty() && q.front().first <= i-d) return false;
    }
    return q.empty();
}

int main() {
    cin.tie(nullptr)->sync_with_stdio(false);
    cin >> n >> d >> m;
    for (int x, i = 1; i <= m; ++i) {
        cin >> x; ids[x].push_back(i);
    }

    int l = 1, r = m;
    while (l < r) {
        const int md = l + (r-l)/2;
        if (test(md)) r = md;
        else l = md+1;
    }

    printf("%d\n", l);
    test(l, true);
}

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 4504 KB Output is correct
2 Correct 32 ms 4428 KB Output is correct
3 Correct 30 ms 4428 KB Output is correct
4 Correct 36 ms 4480 KB Output is correct
5 Correct 31 ms 4564 KB Output is correct
6 Correct 32 ms 4460 KB Output is correct
7 Correct 30 ms 4452 KB Output is correct
8 Correct 31 ms 4540 KB Output is correct
9 Correct 33 ms 4100 KB Output is correct
10 Correct 37 ms 4124 KB Output is correct
11 Correct 36 ms 3832 KB Output is correct
12 Correct 58 ms 5104 KB Output is correct
13 Correct 89 ms 6828 KB Output is correct
14 Correct 126 ms 8380 KB Output is correct
15 Correct 137 ms 9036 KB Output is correct
16 Correct 176 ms 10720 KB Output is correct
17 Correct 208 ms 12680 KB Output is correct
18 Correct 250 ms 12664 KB Output is correct
19 Correct 286 ms 13516 KB Output is correct
20 Correct 206 ms 12608 KB Output is correct