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Submission #699002

# Submission time Handle Problem Language Result Execution time Memory
699002 2023-02-15T08:28:12 Z nguyennehehe Job Scheduling (CEOI12_jobs) C++14
100 / 100
 251 ms 20200 KB 
#include "bits/stdc++.h"
using namespace std;

const int N = 1e5 + 1, M = 1e6 + 1;

int n, d, m;
pair<int, int> a[M];
vector<int> ans[N];

bool good(int k) {
    int j = 1;
    for (int i = 1; i <= n; ++i) {
        for (int x = 1; x <= k; ++x) {
            if (a[j].first > i) break;
            if (a[j].first + d < i) return false;

            if (j == m) return true;
            ++j;
        }
    }
    return false;
}

int32_t main() {
    cin.tie(0)->sync_with_stdio(0);
    
    cin >> n >> d >> m;
    for (int i = 1; i <= m; ++i) {
        cin >> a[i].first;
        a[i].second = i;
    }

    sort(a + 1, a + 1 + m);
    int l = 0, r = m + 1;
    while (r - l > 1) {
        int mid = (l + r) >> 1;
        if (good(mid)) r = mid;
        else l = mid;
    }

    cout << r << '\n';
    for (int i = 1, j = 1; i <= n; ++i) {
        for (int x = 1; x <= r && j <= m; ++x, ++j) {
            if (a[j].first > i) break;
            ans[i].push_back(a[j].second);
        }
        for (int k: ans[i]) cout << k << ' ';
        cout << "0\n";
    }
}

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 4564 KB Output is correct
2 Correct 19 ms 4608 KB Output is correct
3 Correct 19 ms 4564 KB Output is correct
4 Correct 19 ms 4564 KB Output is correct
5 Correct 18 ms 4556 KB Output is correct
6 Correct 19 ms 4564 KB Output is correct
7 Correct 18 ms 4564 KB Output is correct
8 Correct 18 ms 4588 KB Output is correct
9 Correct 36 ms 4700 KB Output is correct
10 Correct 29 ms 4684 KB Output is correct
11 Correct 28 ms 4564 KB Output is correct
12 Correct 52 ms 6540 KB Output is correct
13 Correct 77 ms 9032 KB Output is correct
14 Correct 115 ms 11132 KB Output is correct
15 Correct 132 ms 11992 KB Output is correct
16 Correct 160 ms 14136 KB Output is correct
17 Correct 203 ms 18044 KB Output is correct
18 Correct 212 ms 18512 KB Output is correct
19 Correct 251 ms 20200 KB Output is correct
20 Correct 189 ms 18060 KB Output is correct