Submission #850302

#	Time	Username	Problem	Language	Result	Execution time	Memory
850302		srivatsav_kannan	Job Scheduling (CEOI12_jobs)	C++14	85 / 100	255 ms	38848 KiB

jobs

#include <iostream>
#include <iomanip>
#include <fstream>
#include <vector>
#include <set>
#include <queue>
#include <cmath>
#include <map>
#include <algorithm>
#include <numeric>
#include <stack>
#include <cstring>
#include <bitset>
#include <climits>
#include <valarray>
#include <list>
#include <unordered_map>
#include <unordered_set>
#include <complex>
//#include <bits/stdc++.h>
#define int long long int
#define double long double
#define endl '\n'
#define mod 1000000007
#define inf 2000000000000000000
using namespace std;
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
//using namespace __gnu_pbds;
//#define ordered_set tree < int ,  null_type ,  less ,  rb_tree_tag ,  tree_order_statistics_node_update>
const int mxm = 1000001;
pair<int,int> ar[mxm];
int n,d,m;
vector<int> ans[100001];
bool f(int mid){
    for (int i = 1; i <= n; i++) ans[i].clear();
    int day = 1;
    int used = 0;
    for (int i = 0; i < m; i++){
        if (day > n) return false;
        used++;
        day = max(day, ar[i].first);
        ans[day].push_back(ar[i].second);
        if (day-ar[i].first > d || day > n) return false;
        if (used == mid) {
            used = 0;
            day++;
        }
    }
    return true;
}

void solve(){
    cin >> n >> d >> m;
    for (int i = 0; i < m; i++) {
        cin >> ar[i].first;
        ar[i].second = i+1;
    }
    sort(ar, ar+m);

    int l = 1, r = m;
    while (l < r) {
        int mid = (l+r)/2;
        if (f(mid)) r = mid;
        else l = mid+1;
    }
    cout << l << endl;
    f(l);
    for (int i = 1; i <= n; i++){
        for (int j = 0; j < ans[i].size(); j++){
            cout << ans[i][j] << " ";
        }
        cout << 0 << endl;
    }
}

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
//       freopen("swap.in", "r", stdin);
//       freopen("swap.out", "w", stdout);
    int t = 1;
    //cin >> t;
    while (t--) {
        solve();
    }
    return 0;
}

Compilation message (stderr)

jobs.cpp: In function 'void solve()':
jobs.cpp:70:27: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   70 |         for (int j = 0; j < ans[i].size(); j++){
      |                         ~~^~~~~~~~~~~~~~~

• Subtask 1: 85 / 100