Submission #409632

#	Time	Username	Problem	Language	Result	Execution time	Memory
409632		codebuster_10	Happiness (Balkan15_HAPPINESS)	C++17	0 / 100	2106 ms	313320 KiB

happiness

#include "happiness.h"

#include <bits/stdc++.h>

using namespace std ;

#define int int64_t //be careful about this 
#define endl "\n"
#define f(i,a,b) for(int i=int(a);i<int(b);++i)

#define pr pair
#define ar array
#define fr first
#define sc second
#define vt vector
#define pb push_back
#define eb emplace_back
#define LB lower_bound  
#define UB upper_bound
#define PQ priority_queue

#define sz(x) ((int)(x).size())
#define all(a) (a).begin(),(a).end()
#define allr(a) (a).rbegin(),(a).rend()
#define mem0(a) memset(a, 0, sizeof(a))
#define mem1(a) memset(a, -1, sizeof(a))

template<class A> void rd(vt<A>& v);
template<class T> void rd(T& x){ cin >> x; }
template<class H, class... T> void rd(H& h, T&... t) { rd(h) ; rd(t...) ;}
template<class A> void rd(vt<A>& x) { for(auto& a : x) rd(a) ;}

template<class T> bool ckmin(T& a, const T& b) { return b < a ? a = b, 1 : 0; }
template<class T> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; }

template<typename T>
void __p(T a) {
  cout<<a; 
}
template<typename T, typename F>
void __p(pair<T, F> a) {
  cout<<"{";
  __p(a.first);
  cout<<",";
  __p(a.second);
  cout<<"}\n"; 
}
template<typename T>
void __p(std::vector<T> a) {
  cout<<"{";
  for(auto it=a.begin(); it<a.end(); it++)
    __p(*it),cout<<",}\n"[it+1==a.end()]; 
}
template<typename T, typename ...Arg>
void __p(T a1, Arg ...a) {
  __p(a1);
  __p(a...);
}
template<typename Arg1>
void __f(const char *name, Arg1 &&arg1) {
  cout<<name<<" : ";
  __p(arg1);
  cout<<endl;
}
template<typename Arg1, typename ... Args>
void __f(const char *names, Arg1 &&arg1, Args &&... args) {
  int bracket=0,i=0;
  for(;; i++)
    if(names[i]==','&&bracket==0)
      break;
    else if(names[i]=='(')
      bracket++;
    else if(names[i]==')')
      bracket--;
  const char *comma=names+i;
  cout.write(names,comma-names)<<" : ";
  __p(arg1);
  cout<<" | ";
  __f(comma+1,args...);
}

void setIO(string s = "") {
  ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); 
  cin.exceptions(cin.failbit); 
	cout.precision(15);	cout << fixed;
  #ifdef ONLINE_JUDGE
  if(sz(s)){
  	freopen((s+".in").c_str(),"r",stdin);
  	freopen((s+".out").c_str(),"w",stdout);
  }
  #define __f(...) 0
  #endif
}



/*
	Description :- Sparse lazy segment tree
	Source :- https://usaco.guide/plat/sparse-seg?lang=cpp
	Verification :- https://oj.uz/submission/409297

*/
struct Node {
	int sum, tl, tr, l, r;// node cover [tl,tr], also lazy is not added to current node;
	Node() : sum(0), l(-1), r(-1) {}
};

const int BEST = 8e6;
Node st[BEST];
int cnt = 2;


void update(int x, int l, int r, int val) {
	if (l == st[x].tl && r == st[x].tr) {
		st[x].sum += val;
		assert(l == r);
	} else {
		int mid = (st[x].tl + st[x].tr) / 2;
		if (st[x].l == -1) {
			st[x].l = cnt++;
			st[st[x].l].tl = st[x].tl;
			st[st[x].l].tr = mid;
		}
		if (st[x].r == -1) {
			st[x].r = cnt++;
			st[st[x].r].tl = mid + 1;
			st[st[x].r].tr = st[x].tr;
		}

		if (l > mid) update(st[x].r, l, r, val);
		else if (r <= mid) update(st[x].l, l, r, val);
		else {
			update(st[x].l, l, mid, val);
			update(st[x].r, mid + 1, r, val);
		}
		st[x].sum = st[st[x].l].sum + st[st[x].r].sum;
	}
}

int query(int x, int l, int r) {
	if (l == st[x].tl && r == st[x].tr) return st[x].sum;
	else {
		int mid = (st[x].tl + st[x].tr) / 2;
		if (st[x].l == -1) {
			st[x].l = cnt++;
			st[st[x].l].tl = st[x].tl;
			st[st[x].l].tr = mid;
		}
		if (st[x].r == -1) {
			st[x].r = cnt++;
			st[st[x].r].tl = mid + 1;
			st[st[x].r].tr = st[x].tr;
		}

		if (l > mid) return query(st[x].r, l, r);
		else if (r <= mid) return query(st[x].l, l, r);
		else return query(st[x].l, l, mid) + query(st[x].r, mid + 1, r);
	}
}

int W;

#undef int
bool init(int coinsCount, long long maxCoinSize, long long coins[]) {
#define int int64_t

	int n = coinsCount, M = maxCoinSize; //rd(n,M);
  st[1].tl = 1, st[1].tr = M;
  vt<int> a(n); 
  f(i,0,n) a[i] = coins[i];
  W = accumulate(all(a),int(0));
	for(auto i : a){
		update(1,i,i,i);
	}
	auto go = [&]() -> bool {
		for(int now = W; now; now/=2){
			if(query(1,1,now) < now){
				return false;
			}
		}
		return true;
	};
	return go();
}

#undef int
bool is_happy(int event, int coinsCount, long long coins[]) {
#define int int64_t

	auto go = [&]() -> bool {
		for(int now = W; now; now/=2){
			if(query(1,1,now) < now){
				return false;
			}
		}
		return true;
	};
	
	int t = event; //rd(t);
		if(t == -1){
			int N = coinsCount; //rd(N);
			vt<int> b(N);
			f(i,0,N) b[i] = coins[i];
			W -= accumulate(all(b),int(0));
			for(auto i : b){
				update(1,i,i,-i);
			}
			return go();
		}else{
			int N = coinsCount; //rd(N);
			vt<int> b(N);
			f(i,0,N) b[i] = coins[i];
			W += accumulate(all(b),int(0));
			for(auto i : b){
				update(1,i,i,i);
			}
			return go();
		}
}

Compilation message (stderr)

grader.cpp: In function 'int main()':
grader.cpp:16:12: warning: unused variable 'max_code' [-Wunused-variable]
   16 |  long long max_code;
      |            ^~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 30
• Subtask 4: 0 / 40