Submission #427585

#	Time	Username	Problem	Language	Result	Execution time	Memory
427585		CSQ31	Happiness (Balkan15_HAPPINESS)	C++14	0 / 100	1 ms	332 KiB

happiness

#include "happiness.h"
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define fi first
#define se second
#define sz(a) (int)(a.size())
#define all(a) a.begin(),a.end()
#define lb lower_bound
#define ub upper_bound
#define owo ios_base::sync_with_stdio(0);cin.tie(0);
#define MOD (ll)(1e9+7)
#define INF (ll)(1e9+1)
#define debug(...) fprintf(stderr, __VA_ARGS__),fflush(stderr)
#define time__(d) for(long blockTime = 0; (blockTime == 0 ? (blockTime=clock()) != 0 : false);\
debug("%s time : %.4fs\n", d, (double)(clock() - blockTime) / CLOCKS_PER_SEC))
typedef long long int ll;
typedef long double ld;
typedef pair<ll,ll> PII;
typedef pair<int,int> pii;
typedef vector<vector<int>> vii;
typedef vector<vector<ll>> VII;
ll gcd(ll a,ll b){if(!b)return a;else return gcd(b,a%b);}
struct node{
	ll lf,rg,sum;
	node *l,*r;
	node(ll _lf,ll _rg){
		l = nullptr;
		r = nullptr;
		sum = 0;
		lf = _lf;
		rg = _rg;
	}
	void upd(ll val,ll c){
		sum+=val*c;
		if(lf==rg)return;
		int tm = (lf+rg)/2;
		if(val<=tm){
			if(l == nullptr)l = new node(lf,tm);
			l->upd(val,c);
		}else{
			if(r == nullptr)r = new node(tm+1,rg);
			r->upd(val,c);
		}
	}
	ll query(int L,int R){
		if(lf == L && R == rg)return sum;
		int tm = (lf+rg)/2;
		if(R<=tm){
			return l->query(L,R);
		}
		else if(L>tm){
			return r->query(L,R);
		}else{
			return l->query(L,tm) + r->query(tm+1,R);
			
		}
	}
};
node *root;
ll m;
bool check(){
	ll cur = 1,mx = root->sum;
	while(cur<mx){
		ll t = root->query(1,min(m,cur));
		if(cur>t)return false;
		cur = t+1;
	}
	return true;
}
bool init(int coinsCount, long long maxCoinSize, long long coins[]) {
	m = maxCoinSize;
    root = new node(1,m);	
	for(int i=0;i<coinsCount;i++)root->upd(coins[i],1);
	return check();
}
bool is_happy(int event, int coinsCount, long long coins[]) {
	for(int i=0;i<coinsCount;i++)root->upd(coins[i],event);
	return check();
}

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