Submission #900205

#	Time	Username	Problem	Language	Result	Execution time	Memory
900205		VMaksimoski008	Job Scheduling (CEOI12_jobs)	C++14	100 / 100	447 ms	4616 KiB

jobs

#include <bits/stdc++.h>

#define pb push_back
#define eb emplace_back
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define uniq(x) x.erase(unique(all(x)), x.end())
#define rall(x) x.rbegin(), x.rend()
//#define int long long

using namespace std;

using ll = long long;
using ull = unsigned long long;
using ld = long double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;

const int mod = 1e9 + 7;
const int LOG = 20;
const int maxn = 1e5 + 5;
const double eps = 1e-9;

void setIO() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
}

int N, D, M;
vector<int> v, cnt;

bool check(int mid) {
    int left = mid;
    priority_queue<int, vector<int>, greater<int> > pq;

    int last = 0;
    for(int i=1; i<=N; i++) {
        left = mid;
        //cout << "DAY: " << i << '\n';

        for(int j=0; j<cnt[i]; j++) pq.push(i);

        while(left > 0 && !pq.empty()) {
            int u = pq.top();
            pq.pop();
            if(i - u > D) return false;
            left--;
        }

        //cout << "LEFT: " << pq.size() << '\n';
    }

    return true;
}

int32_t main() {
    setIO();

    cin >> N >> D >> M;
    v.resize(M);
    cnt.resize(N+1);
    for(int &x : v) cin >> x, cnt[x]++;
    sort(all(v));

    int l=1, r=M;
    int ans = 0;

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

    cout << ans << '\n';
    for(int i=1; i<=N; i++) cout << 0 << '\n';
    return 0;
}

Compilation message (stderr)

jobs.cpp: In function 'bool check(int)':
jobs.cpp:37:9: warning: unused variable 'last' [-Wunused-variable]
   37 |     int last = 0;
      |         ^~~~

• Subtask 1: 100 / 100