Submission #644749

#	Time	Username	Problem	Language	Result	Execution time	Memory
644749		Zflop	Job Scheduling (CEOI12_jobs)	C++14	0 / 100	407 ms	26428 KiB

jobs

#include <bits/stdc++.h>
using namespace std;
 
/*
ID: 10002181
LANG: C++
TASK: ariprog
*/ 

using str = string; // yay python!
using ld = long double; // or double, if TL is tight
using ll = long long;
using int64 = ll;
using db = double;
using ull = unsigned long long;

#define ch() getchar()
#define pc(x) putchar(x)
#define tcT template<class T
#define tcTU tcT, class U
tcT> using V = vector<T>; 
tcT, size_t SZ> using AR = array<T,SZ>; 
using vi = V<int>;
using vb = V<bool>;
using vpi = V<pair<int,int>>;
using vvi = V<vi>;
using vl = V<ll>;
using vd = V<ld>;
using vstr = V<str>;

#define mp make_pair
#define pi pair <int, int>
#define all(x) begin(x), end(x)
#define sor(x) sort(all(x)) 
#define rev(x) reverse(all(x))
#define sz(x) (int)(x).size()
#define AR array
 
#define F0R(i, a, b) for (int i=a; i<b;++i)
#define FOR(i, a) for (int i=0; i<a;++i)
#define FORn(i, a) for (int i=1; i<=a;++i)
#define ROF(i,a) for(int i=a-1; i >= 0;--i)
#define R0F(i,a,b) for(int i=a; i > b;--i)
#define ROFn(i,a) for(int i=a; i > 0;--i)
#define trav(i,x) for(auto& i:x)
 
// pairs
#define mp make_pair
#define f first
#define s second

// vectors
#define lb lower_bound
#define ub upper_bound
#define SUM(v) accumulate(all(v), 0LL)
#define MN(v) *min_element(all(v))
#define MX(v) *max_element(all(v))
#define eb emplace_back
#define ft front()
#define bk back()
#define ins insert 
#define pf push_front
#define pb push_back
#define emt empty()
#define rsz resize

#define pob pop_back()
#define pof pop_front()

#define swp(a,b) a^=b^=a^=b

#define ts to_string
 
#define setIO()  ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
 
const ll MOD = 1e9+7;
const ll MAX = 100000000000;
const ll INF = 1e18; // not too close to LLONG_MAX
const ld PI = acos((ld)-1);
 
#ifdef _DEBUG
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif
 
const int dx[4] = {1,0,-1,0}, dy[4] = {0,1,0,-1}; // for every grid problem!!

//INPUT
#define tcTUU tcT, class ...U
tcT> void re(complex<T>& c);
tcTU> void re(pair<T,U>& p);
tcT> void re(V<T>& v);
tcT, size_t SZ> void re(AR<T,SZ>& a);

tcT> void re(T& x) { cin >> x; }
void re(db& d) { str t; re(t); d = stod(t); }
void re(ld& d) { str t; re(t); d = stold(t); }
tcTUU> void re(T& t, U&... u) { re(t); re(u...); }

tcT> void re(complex<T>& c) { T a,b; re(a,b); c = {a,b}; }
tcTU> void re(pair<T,U>& p) { re(p.f,p.s); }
tcT> void re(V<T>& x) { trav(a,x) re(a); }
tcT> void rv(int n, V<T>& x) { x.rsz(n); re(x); }

//OUTPUT
tcT> void pr(V<T>& x) { FOR(i,sz(x)) cout << x[i] << " \n"[i + 1 == sz(x)];}
tcT> void pr(T x) { cout << ts(x); }
tcT> void ps() { cout << '\n'; }


void setF(string fileName = "") {
	ios_base::sync_with_stdio(0); cin.tie(0);
	if((int)fileName.size()) {
		freopen((fileName+".in").c_str(), "r", stdin);
		freopen((fileName+".out").c_str(), "w", stdout);
	}
}

struct DSU {
	vector<int> e;
	DSU(int N) { e = vector<int>(N, -1); }
	
	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;
	}
};
struct edge{
	int a;
	int b;
	int w;
	};

ll bpow(ll x, ll y){
    x %= MOD;
    ll res = 1LL;
    while(y){
        if (y & 1LL)
            res *= x;
        res %= MOD;
        x = (x*x) % MOD;
        y >>= 1LL;
    }
    return res;
}

ll gauss(int n){ return n*(n+1)/2; }

ll fact(int x){if(x) return x * (x - 1); return 1;}
/*
 scanf("%lld", &testInteger);
 printf("%lld", testInteger);
 
 ____ ____ ____ ____ ____  ____
||f |||l |||o |||p |||p ||||y ||
||__|||__|||__|||__|||__||||__||
|/__\|/__\|/__\|/__\|/__\||/__\|
 
**/
void solve(){
	int N,D,M; cin >> N >> D >> M;
	vpi A(M); FOR(i,M) { cin >> A[i].f; A[i].s = i; }
	sor(A);
	vvi ans(N + 1);
	
	auto work = [&] (int x){
		vvi a(N);
		int k = 0;
		FORn(i,N){
			FOR(j,x){
				if(A[k].f > i) break;
				if(A[k].f + D >= i) a[i].pb(A[k++].s + 1);
				else return mp(false,a);
				if(k == M) return mp(true,a);
				}
			}
		return mp(false,a);
		};
	
	int l = 1,r = M;
	int aa = -1;
	while(l <= r){
		int mid = l + (r - l) / 2;
		auto a = work(mid);
		if(a.f) { 
			r = mid - 1; ans = a.s; 
			aa = mid;
			}
		else l = mid + 1;
		}
		
	cout << aa << '\n';
	F0R(i,1,sz(ans)){
		trav(x,ans[i]) cout << x << ' ';
		cout << "0\n";
		}
	}
// D - delay max 
// 8 2 12 
// 1 2 4 2 1 3 5 6 2 3 6 4
main()
{   setIO();
	solve();
} 
//is y a vowel? Damian:1
// <3 :L ._. <_< 
//You have no idea how high I can fly

Compilation message (stderr)

jobs.cpp:210:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
  210 | main()
      | ^~~~
jobs.cpp: In function 'void setF(std::string)':
jobs.cpp:114:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  114 |   freopen((fileName+".in").c_str(), "r", stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
jobs.cpp:115:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  115 |   freopen((fileName+".out").c_str(), "w", stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 100