Submission #954713

#	Time	Username	Problem	Language	Result	Execution time	Memory
954713		daviedu	Job Scheduling (CEOI12_jobs)	C++17	40 / 100	206 ms	17312 KiB

jobs

#include <bits/stdc++.h>
using namespace std;
 
#define fastio ios_base::sync_with_stdio(0); cin.tie(0)
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define ll long long
 
struct P{
    ll x, y;
};
 
void dbg_out() { cerr << endl; }
template <typename H, typename... T>
void dbg_out(H h, T... t) { cerr << ' ' << h; dbg_out(t...); }
#define dbg(...) { cerr << #__VA_ARGS__ << ':'; dbg_out(__VA_ARGS__); }
 
 
 
signed main(){
    fastio;
    int n, d, m;
    cin >> n >> d >> m;
    vector<pair<int, int>> arr (m);
    for (int i=1, x; i<=m; i++){
        cin >> x;
        arr[i-1] = {x, i};
    }
    sort(all(arr));
 
    int l=1, r=m, pcs=1;
    while (l<=r){
        int mid = l + (r-l)/2;
        
        bool f = false;
        int j=0;
        for (int i=0; i<n; i++){
            for (int k=0; k<mid && j<m && i+1>=arr[j].first; k++, j++);
        }

        if (j == m){
            r = mid-1;
            pcs = mid;
        }
        else l = mid+1;
    }

    cout << pcs << '\n';
    int j=0;
    for (int i=0; i<n; i++){
        for (int k=0; k<pcs && j<m && i+1>=arr[j].first; k++, j++){
            cout << arr[j].second << ' ';
        }
        cout << 0 << '\n';
    }
}

Compilation message (stderr)

jobs.cpp: In function 'int main()':
jobs.cpp:35:14: warning: unused variable 'f' [-Wunused-variable]
   35 |         bool f = false;
      |              ^

• Subtask 1: 40 / 100