Submission #930103

#	Time	Username	Problem	Language	Result	Execution time	Memory
930103		ByeWorld	Job Scheduling (CEOI12_jobs)	C++14	100 / 100	302 ms	21392 KiB

jobs

#include <bits/stdc++.h>
#define fi first
#define se second
#define pb push_back
//#define int long long
#define lf (id<<1)
#define rg ((id<<1)|1)
#define md ((l+r)>>1)
using namespace std;
typedef pair<int,int> pii;
typedef pair<pii,int> ipii;
const int INF = 1e9+10;
const int MAXN = 1e6+10;

int a[MAXN];
vector <pii> vec;
vector <vector<int>> ans;
int n, d, k, num;

bool cek(int x){ // number of machine
	int cnt = 1;
	for(int i=0; i<n; ){
		int las = i;
		for(int j=0; j<x && las<n; j++){
			if(cnt < vec[las].fi) break;
			if(cnt-vec[las].fi > d) return 0;
			las++;
		}
		i = las;
		cnt++;
	}

	return 1;
}
void bin(){
	int l=1, r=n, mid=-1, cnt=-1;
	while(l<=r){
		mid = md;
		if(cek(mid)){
			r = mid-1; cnt = mid;
		} else l = mid+1;
	}
	num = cnt;
}
signed main() {
	cin >> k >> d >> n;
	for(int i=1; i<=n; i++){
		cin >> a[i]; vec.pb({a[i], i});
	}
	sort(vec.begin(), vec.end());

	bin();

	int cnt = 1;
	for(int i=0; i<n; ){
		vector <int> te;
		int las = i;
		for(int j=0; j<num && las<n; j++){
			if(cnt < vec[las].fi) break;
			te.pb(vec[las].se);
			las++;
		}
		i = las;
		cnt++;

		ans.pb(te);
	}

	cout << num << '\n';
	for(auto vec : ans){
		for(auto in : vec){
			cout << in << ' '; 
		}
		cout << "0\n";
	}
	for(int i=0; i<k-ans.size(); i++) cout << "0\n";
}

Compilation message (stderr)

jobs.cpp: In function 'int main()':
jobs.cpp:76:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   76 |  for(int i=0; i<k-ans.size(); i++) cout << "0\n";
      |               ~^~~~~~~~~~~~~

• Subtask 1: 100 / 100