Submission #1097708

# Submission time Handle Problem Language Result Execution time Memory
1097708 2024-10-08T03:29:34 Z Nurislam Job Scheduling (CEOI12_jobs) C++17
45 / 100
260 ms 24144 KB
#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp> 
//#include <ext/pb_ds/tree_policy.hpp>  
using namespace std;
//using namespace __gnu_pbds;z
#define pb push_back
#define ff first
#define ss second
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
//#define int long long
//#define ordst tree<pair<int,int>,  null_type,  less<pair<int,int>>,  rb_tree_tag ,  tree_order_statistics_node_update >
//#define double long double 
//template <class F, class _S>
//bool chmin(F &u, const _S &v){
	//bool flag = false;
	//if ( u > v ){
		//u = v; flag |= true;
	//}
	//return flag;
//}

//template <class F, class _S>
//bool chmax(F &u, const _S &v){
	//bool flag = false;
	//if ( u < v ){
		//u = v; flag |= true;
	//}
	//return flag;
//}

//const int N = (1<<18) +1, inf = 1e18+200;
//int mod = 998244353;
//int mod = 1000000007;
//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
//#define rnd(l, r) uniform_int_distribution <int> (l, r)(rng)

void solve(){
	int n, d, m;
	cin >> n >> d >> m;
	vector<array<int,2>> v(m);
	int ii = 1;
	for(auto &[f, s]:v){cin >> f; s = ii++;}
	sort(all(v));
	
	vector<vector<int>> ans2;
	auto ok = [&](int x) -> bool{
		vector<vector<int>> rans;
		int cnt = x, day = 1, it = 0;
		while(day < n){
			bool ok = 1;
			vector<int> ad;
			cnt = x;
			while(cnt-- && it < m && v[it][0] <= day){
				if(v[it][0]+d < day)return false;
				ad.pb(v[it][1]);
				it++;
				ok = 0;
				//cout << it << '\n';
			}
			//cout << x << '\n';
			day++;
			rans.pb(ad);
			if(ok)break;
		}
		if(it < m)return false;
		while(rans.size() < n)rans.pb({});
		ans2 = rans;
		return true;
	};
	
	int l = 1, r = m, ans = m;
	while(l <= r){
		int md = (l+r)>>1;
		//cout << md << '\n';
		if(ok(md)){
			ans = md;
			r = md-1;
		}else l = md+1;
	}
	//for(int i = r+100; i >= r-100; i--){
		//if(ok(i)){
			//ans = i;
		//}else break;
	//}
	ok(ans);
	cout << ans << '\n';
	for(auto i:ans2){
		for(auto j:i)cout << j << ' ';
		cout << "0\n";
	}
}

 
signed main(){
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
	cout.tie(nullptr);
	int tt = 1;
	//cin >> tt;
	while(tt--){
		solve();
	}
}

Compilation message

jobs.cpp: In lambda function:
jobs.cpp:67:21: warning: comparison of integer expressions of different signedness: 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   67 |   while(rans.size() < n)rans.pb({});
      |         ~~~~~~~~~~~~^~~
# Verdict Execution time Memory Grader output
1 Incorrect 9 ms 1116 KB Output isn't correct
2 Incorrect 8 ms 1116 KB Output isn't correct
3 Incorrect 10 ms 1116 KB Output isn't correct
4 Incorrect 8 ms 1112 KB Output isn't correct
5 Incorrect 8 ms 1116 KB Output isn't correct
6 Incorrect 8 ms 1116 KB Output isn't correct
7 Incorrect 9 ms 1112 KB Output isn't correct
8 Incorrect 8 ms 1116 KB Output isn't correct
9 Correct 52 ms 9872 KB Output is correct
10 Correct 49 ms 9960 KB Output is correct
11 Correct 26 ms 2640 KB Output is correct
12 Incorrect 53 ms 5200 KB Output isn't correct
13 Correct 76 ms 7504 KB Output is correct
14 Incorrect 124 ms 10656 KB Output isn't correct
15 Incorrect 125 ms 11856 KB Output isn't correct
16 Correct 177 ms 15268 KB Output is correct
17 Correct 203 ms 17792 KB Output is correct
18 Correct 212 ms 20088 KB Output is correct
19 Correct 260 ms 24144 KB Output is correct
20 Correct 233 ms 18036 KB Output is correct