Submission #146254

#	Time	Username	Problem	Language	Result	Execution time	Memory
146254		dolphingarlic	Job Scheduling (CEOI12_jobs)	C++14	55 / 100	338 ms	13836 KiB

jobs

#include <bits/stdc++.h>
#pragma GCC Optimize("O3")
#define FOR(i, x, y) for (int i = x; i < y; i++)
#define MOD 1000000007
typedef long long ll;
using namespace std;

pair<int, int> a[1000001];

bool check(int machines, int jobs, int delay) {
    FOR(i, 0, jobs) {
        if (i / machines + 1 - a[i].first > delay) return false;
    }
    return true;
}

int main() {
    iostream::sync_with_stdio(false);
    cin.tie(0);
    int n, d, m;
    cin >> n >> d >> m;
    FOR(i, 0, m) {
        cin >> a[i].first;
        a[i].second = i + 1;
    }
    sort(a, a + m);

    int l = 1, r = m;
    while (l != r) {
        int mid = (l + r) / 2;
        if (check(mid, m, d)) r = mid;
        else l = mid + 1;
    }

    cout << l << '\n';
    FOR(i, 0, n) {
        FOR(j, i * l, min(i * l + l, m)) cout << a[j].second << ' ';
        cout << "0\n";
    }
    return 0;
}

Compilation message (stderr)

jobs.cpp:2:0: warning: ignoring #pragma GCC Optimize [-Wunknown-pragmas]
 #pragma GCC Optimize("O3")

• Subtask 1: 55 / 100