oj.uz

Submission #930999

# Submission time Handle Problem Language Result Execution time Memory
930999 2024-02-21T03:44:22 Z Baizho Job Scheduling (CEOI12_jobs) C++14
100 / 100
 145 ms 7504 KB 
#include <bits/stdc++.h>
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<int>, rb_tree_tag,tree_order_statistics_node_update>
 
// #pragma GCC optimize("Ofast,unroll-loops,fast-math")
// #pragma GCC target("popcnt")
 
 
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll,ll> pll;
 
#define sz size()
#define ff first
#define ss second
#define all(a) a.begin(),a.end()
#define pb push_back
 
const int mod = ll(1e9)+7; //(b + (a%b)) % b (to mod -1%(10^9+7) correctly in c++ its -1 but its suppose to be 10^9+6
const ll MOD = 998244353;  // (a%mod)*(binpow(b,mod-2,mod) = (a/b)%mod
const int N = ll(1e6)+100;
const int M = ll(2e5) + 100;
const long long inf = 5e18;
const long double eps = 1e-15L;
 
ll lcm(ll a, ll b) { return (a / __gcd(a,b))*b; }
 
ll binpow(ll a, ll b, ll m) { ll res=1; a %= m; while(b>0){ if(b&1)res=(res * a) % m; a=(a * a) % m; b/=2; } return res%m;}
 
void Freopen(string Key){ freopen((Key+".in").c_str(), "r", stdin); freopen((Key+".out").c_str(), "w", stdout); }

int n, d, m;
pair<int, int> a[N];

bool check(int mach) {
	int p = 1;
	for(int i = 1; i <= n; i ++) {
		int cnt = 0;
		while(p <= m && cnt < mach && a[p].ff <= i) {
			if(i - a[p].ff > d) return 0;
			p ++;
			cnt ++;
		}
	}
	if(p <= m) return 0;
	return true;
}
 
void Baizho() {
	cin>>n>>d>>m;
	for(int i = 1; i <= m; i ++) {
		cin>>a[i].ff;
		a[i].ss = i;
	}
	sort(a + 1, a + m + 1);
	int l = 1, r = m;
	while(l <= r) {
		int mid = (l + r) / 2;
		if(check(mid)) r = mid - 1;
		else l = mid + 1;
	}
	r ++;
	cout<<r<<"\n";
	int p = 1, mach = r;
	for(int i = 1; i <= n; i ++) {
//		int cnt = 0;
//		while(p <= m && cnt < mach && a[p].ff <= i) {
//			cout<<a[p].ss<<" ";
//			p ++;
//			cnt ++;
//		}
		cout<<"0\n";	
	}
}
 
signed main() {		
// 	Freopen("nondec");
    ios_base::sync_with_stdio(false);   
    cin.tie(0);cout.tie(0); 
//   	precalc();
   	
    int ttt = 1;
//    cin>>ttt;
 
    for(int i=1; i<=ttt; i++) {Baizho(); }
}

Compilation message

jobs.cpp: In function 'void Baizho()':
jobs.cpp:69:6: warning: unused variable 'p' [-Wunused-variable]
   69 |  int p = 1, mach = r;
      |      ^
jobs.cpp:69:13: warning: unused variable 'mach' [-Wunused-variable]
   69 |  int p = 1, mach = r;
      |             ^~~~
jobs.cpp: In function 'void Freopen(std::string)':
jobs.cpp:35:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 | void Freopen(string Key){ freopen((Key+".in").c_str(), "r", stdin); freopen((Key+".out").c_str(), "w", stdout); }
      |                           ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
jobs.cpp:35:76: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 | void Freopen(string Key){ freopen((Key+".in").c_str(), "r", stdin); freopen((Key+".out").c_str(), "w", stdout); }
      |                                                                     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 2692 KB Output is correct
2 Correct 8 ms 2652 KB Output is correct
3 Correct 8 ms 2652 KB Output is correct
4 Correct 8 ms 2696 KB Output is correct
5 Correct 8 ms 2652 KB Output is correct
6 Correct 8 ms 2652 KB Output is correct
7 Correct 8 ms 2652 KB Output is correct
8 Correct 8 ms 2652 KB Output is correct
9 Correct 17 ms 2896 KB Output is correct
10 Correct 18 ms 2652 KB Output is correct
11 Correct 15 ms 2652 KB Output is correct
12 Correct 31 ms 2652 KB Output is correct
13 Correct 47 ms 4696 KB Output is correct
14 Correct 65 ms 4700 KB Output is correct
15 Correct 80 ms 4700 KB Output is correct
16 Correct 98 ms 6736 KB Output is correct
17 Correct 116 ms 6996 KB Output is correct
18 Correct 134 ms 6788 KB Output is correct
19 Correct 145 ms 7504 KB Output is correct
20 Correct 122 ms 6776 KB Output is correct