Submission #890631

# Submission time Handle Problem Language Result Execution time Memory
890631 2023-12-21T17:17:56 Z nosaboy Job Scheduling (CEOI12_jobs) C++17
55 / 100
324 ms 20220 KB
#include <bits/stdc++.h>
#include <cmath>
#include <cstdlib>
#include <ctime>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
template<typename T>
using orderedMultiset = tree<T ,null_type,std::less_equal<T>, rb_tree_tag,tree_order_statistics_node_update>;
typedef long long ll;
typedef pair<int, int> pi;
typedef vector<int> vi;
#define f first
#define s second
#define pb push_back
#define rep(i, a, b) for(int i = a; i < (b); ++i) 
#define all(x) (x).begin(), (x).end()
ll MOD = 1000000007;
 
mt19937_64 RNG(chrono::steady_clock::now().time_since_epoch().count());

ll add(ll x, ll y)
{
    x += y;
    while(x >= MOD) x -= MOD;
    while(x < 0) x += MOD;
    return x;
}  
 
ll mult(ll x, ll y)
{
    return (x * 1ll * y) % MOD;
}
ll lpow(ll x, ll y)
{
    if(y == 0){
        return 1;
    }
    ll z = 1;
    while(y)
    {
        if(y & 1) z = mult(z, x);
        x = mult(x, x);
        y >>= 1;
    }
    return z;
}
bool prime(int x)
{
    for(int i = 2; i * 1ll * i <= x; i++)
        if(x % i == 0)
            return false;
    return true;    
}
 
ll inv(ll x) {
	return lpow(x, MOD - 2);
}

ll divide(ll x, ll y)
{
    return mult(x, inv(y));
}
long long gcd(long long int a, long long int b)
{
  if (b == 0)
    return a;
  return gcd(b, a % b);
}
 
// Function to return LCM of two numbers
long long lcm(int a, int b)
{
    return (a / gcd(a, b)) * b;
}
//math
 
 
vector <ll> ar;
vector <ll> br;
void printDivisors(ll n)
{
    // Note that this loop runs till square root
    for (ll i=1; i<=sqrt(n); i++)
    {
        if (n%i == 0)
        {
            // If divisors are equal, print only one
            if (n/i == i){
                ar.pb(i);
            }
                
  
            else{
                ar.pb(i);
                ar.pb(n/i);
            } // Otherwise print both
                
               
        }
    }
}
void bprintDivisors(ll n)
{
    // Note that this loop runs till square root
    for (ll i=1; i<=sqrt(n); i++)
    {
        if (n%i == 0)
        {
            // If divisors are equal, print only one
            if (n/i == i){
                br.pb(i);
            }
                
  
            else{
                br.pb(i);
                br.pb(n/i);
            } // Otherwise print both
                
               
        }
    }
}
 

struct DSU {
	vector<int> e;
	DSU(int N) { e = vector<int>(N, -1); }
 
	// get representive component (uses path compression)
	int get(int x) { return e[x] < 0 ? x : e[x] = get(e[x]); }
 
	bool same_set(int a, int b) { return get(a) == get(b); }
 
	int size(int x) { return -e[get(x)]; }
 
	bool unite(int x, int y) {  // union by size
		x = get(x), y = get(y);
		if (x == y) return false;
		if (e[x] > e[y]) swap(x, y);
		e[x] += e[y]; e[y] = x; return true;
	}
};
/** Computes x^n modulo m in O(log p) time. */
ll qexp(ll a, ll b, ll m) {
    ll res = 1;
    while (b) {
        if (b % 2) res = res * a % m;
        a = a * a % m;
        b /= 2;
    }
    return res;
}
vector<ll> fact, invf;
 
void precompute(int n) {
    /** Precomputes n! from 0 to MAXN. */
    fact.assign(n + 1, 1); 
    for (int i = 1; i <= n; i++) fact[i] = fact[i - 1] * i % MOD;
    invf.assign(n + 1, 1);
    /**
    * Precomputes all modular inverse factorials
    * from 0 to MAXN in O(n + log p) time
    */
    invf[n] = qexp(fact[n], MOD - 2, MOD);
    for (int i = n - 1; i > 0; i--) invf[i] = invf[i + 1] * (i + 1) % MOD;
}
/** Computes nCr mod p */
ll nCk(ll n,ll k) {
    if (k < 0 || k > n) return 0;
    return fact[n] * invf[k] % MOD * invf[n - k] % MOD;
    // return fact[n] * qexp(fact[k], MOD - 2, MOD) % MOD * qexp(fact[n - k], MOD - 2, MOD) % MOD;
}
 


void solve(){
    int n,d,m;cin>>n>>d>>m;
    vector <pi> v;
    rep(i,0,m){
        int u;cin>>u;v.pb({u,i});
    }
    sort(v.begin(),v.end());
    int lo = 0; int hi = 1000000005;
    hi++;
	while (lo < hi) {
		int mid = lo + (hi - lo) / 2;
        int day = 1;
        int cnt = 0;
        bool yn = true;
        rep(i,0,m){
            if(cnt == mid){
                // reset
                day++;
                cnt = 0; 
            }
            if(day - v[i].first > d){ // past expiration
                yn = false;
            }
            cnt++;
        }
        if(day > n){
            yn = false;
        }
		if (yn) {
			hi = mid;
		} else {
			lo = mid + 1;
		}
	}
    int day = 0;
    int cnt = 0;
    bool yn = true;
    vi aj[n]; // for every day
    rep(i,0,m){
        if(cnt == hi){
            // reset
            day++;
            cnt = 0; 
        }
        aj[day].pb(v[i].second);
        cnt++;
    }
    cout<<hi<<endl;
    rep(i,0,n){
        rep(j,0,aj[i].size()){
            cout<<aj[i][j]+1<<" ";
        }
        cout<<0<<endl;
    }
    
}
    


int main(){
	auto begin = std::chrono::high_resolution_clock::now();
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int t;t=1;

    while(t--){
        solve();
    }
  
    
		
 
    
	auto end = std::chrono::high_resolution_clock::now();
    auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(end - begin);
   cerr << "Time measured: " << elapsed.count() * 1e-9 << " seconds.\n";
	return 0;
}   

Compilation message

jobs.cpp: In function 'void solve()':
jobs.cpp:17:39: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 | #define rep(i, a, b) for(int i = a; i < (b); ++i)
      |                                       ^
jobs.cpp:228:9: note: in expansion of macro 'rep'
  228 |         rep(j,0,aj[i].size()){
      |         ^~~
jobs.cpp:215:10: warning: unused variable 'yn' [-Wunused-variable]
  215 |     bool yn = true;
      |          ^~
# Verdict Execution time Memory Grader output
1 Incorrect 30 ms 2652 KB Output isn't correct
2 Incorrect 26 ms 2676 KB Output isn't correct
3 Incorrect 32 ms 2520 KB Output isn't correct
4 Incorrect 27 ms 2620 KB Output isn't correct
5 Incorrect 26 ms 2264 KB Output isn't correct
6 Incorrect 26 ms 2520 KB Output isn't correct
7 Incorrect 26 ms 2668 KB Output isn't correct
8 Incorrect 29 ms 2516 KB Output isn't correct
9 Correct 130 ms 4824 KB Output is correct
10 Correct 130 ms 4828 KB Output is correct
11 Correct 32 ms 2252 KB Output is correct
12 Correct 46 ms 4292 KB Output is correct
13 Correct 72 ms 6848 KB Output is correct
14 Correct 109 ms 9084 KB Output is correct
15 Incorrect 118 ms 9620 KB Output isn't correct
16 Correct 156 ms 12900 KB Output is correct
17 Correct 188 ms 17640 KB Output is correct
18 Correct 202 ms 16316 KB Output is correct
19 Correct 324 ms 20220 KB Output is correct
20 Correct 176 ms 17484 KB Output is correct