Submission #554890

#	Time	Username	Problem	Language	Result	Execution time	Memory
554890		Genius3435	Job Scheduling (CEOI12_jobs)	C++17	100 / 100	286 ms	13516 KiB

jobs

#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 / 100