Submission #977270

# Submission time Handle Problem Language Result Execution time Memory
977270 2024-05-07T15:27:55 Z LOLOLO Job Scheduling (CEOI12_jobs) C++17
100 / 100
143 ms 20304 KB
#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
 
#define           f    first
#define           s    second
#define           pb    push_back
#define           ep    emplace
#define           eb    emplace_back
#define           lb    lower_bound
#define           ub    upper_bound
#define       all(x)    x.begin(), x.end()
#define      rall(x)    x.rbegin(), x.rend()
#define   uniquev(v)    sort(all(v)), (v).resize(unique(all(v)) - (v).begin())
#define     mem(f,x)    memset(f , x , sizeof(f))
#define        sz(x)    (int)(x).size()
#define  __lcm(a, b)    (1ll * ((a) / __gcd((a), (b))) * (b))
#define          mxx    *max_element
#define          mnn    *min_element
#define    cntbit(x)    __builtin_popcountll(x)
#define       len(x)    (int)(x.length())
 
const int N = 1e5 + 100;
vector <int> work[N], on[N];
int n, d, m;

bool bin(int lim) {
    for (int i = 1; i <= n; i++)
        work[i].clear();

    int j = 1, pos = 0, cnt = 0;

    for (int i = 1; i <= n; i++) {
        int cc = 0;
        while (j <= i && cc < lim) {
            if (pos == sz(on[j])) {
                j++;
                pos = 0;
            } else {
                if (i - j > d)
                    return 0;

                work[i].pb(on[j][pos]);
                pos++;
                cnt++;
                cc++;
            }
        }
    }

    if (cnt < m)
        return 0;

    return 1;
}

int main() {
    ios_base::sync_with_stdio(false); 
    cin.tie(NULL);
    cout.tie(NULL);

    cin >> n >> d >> m;

    for (int i = 1; i <= m; i++) {
        int x;
        cin >> x;
        on[x].pb(i);
    }

    int l = 1, r = m, ans = 0;
    while (l <= r) {
        int mid = (l + r) / 2;
        if (bin(mid)) {
            ans = mid;
            r = mid - 1;
        } else {
            l = mid + 1;
        }
    }

    bin(ans);

    cout << ans << '\n';

    for (int i = 1; i <= n; i++) {
        for (auto x : work[i])
            cout << x << " ";

        cout << 0 << '\n';
    }

    return 0;
} 
# Verdict Execution time Memory Grader output
1 Correct 15 ms 6620 KB Output is correct
2 Correct 17 ms 6620 KB Output is correct
3 Correct 15 ms 6872 KB Output is correct
4 Correct 17 ms 6616 KB Output is correct
5 Correct 18 ms 6620 KB Output is correct
6 Correct 16 ms 6620 KB Output is correct
7 Correct 15 ms 6620 KB Output is correct
8 Correct 17 ms 6620 KB Output is correct
9 Correct 23 ms 7004 KB Output is correct
10 Correct 22 ms 7080 KB Output is correct
11 Correct 16 ms 6744 KB Output is correct
12 Correct 31 ms 8284 KB Output is correct
13 Correct 45 ms 11172 KB Output is correct
14 Correct 74 ms 13244 KB Output is correct
15 Correct 72 ms 14196 KB Output is correct
16 Correct 104 ms 16216 KB Output is correct
17 Correct 123 ms 20304 KB Output is correct
18 Correct 123 ms 19024 KB Output is correct
19 Correct 143 ms 20048 KB Output is correct
20 Correct 137 ms 20304 KB Output is correct