Submission #708900

#	Time	Username	Problem	Language	Result	Execution time	Memory
708900		mars4	Happiness (Balkan15_HAPPINESS)	C++17	100 / 100	1387 ms	384732 KiB

happiness

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp> 
#include "happiness.h"

using namespace std;
using namespace __gnu_pbds; 

#define ff              first
#define ss              second
#define ll              int64_t
#define ld              long double
#define nl              cout<<"\n"
#define i128            __int128_t
#define all(v)          v.begin(),v.end()
#define mset(a,v)       memset((a),(v),sizeof(a))
#define forn(i,a,b)     for(int64_t i=int64_t(a);i<int64_t(b);++i)
#define forb(i,a,b)     for(int64_t i=int64_t(a);i>=int64_t(b);--i)
#define fastio()        ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);

#define mod         1'000'000'007
#define mod2        998'244'353 
#define inf         1'000'000'000'000'007
#define pi          3.14159265358979323846

template<class key,class cmp=std::less<key>>
using ordered_set=tree<key,null_type,cmp,rb_tree_tag,tree_order_statistics_node_update>;

template<class L,class R> ostream& operator<<(ostream& out,pair<L,R> &p)        {return out<<"("<<p.ff<<", "<<p.ss<<")";}
template<class T> ostream& operator<<(ostream& out,vector<T> &v)                {out<<"[";for(auto it=v.begin();it!=v.end();++it){if(it!=v.begin())out<<", ";out<<*it;}return out<<"]";}
template<class T> ostream& operator<<(ostream& out,deque<T> &v)                 {out<<"[";for(auto it=v.begin();it!=v.end();++it){if(it!=v.begin())out<<", ";out<<*it;}return out<<"]";}
template<class T> ostream& operator<<(ostream& out,set<T> &s)                   {out<<"{";for(auto it=s.begin();it!=s.end();++it){if(it!=s.begin())out<<", ";out<<*it;}return out<<"}";}
template<class T> ostream& operator<<(ostream& out,ordered_set<T> &s)           {out<<"{";for(auto it=s.begin();it!=s.end();++it){if(it!=s.begin())out<<", ";out<<*it;}return out<<"}";}
template<class L,class R> ostream& operator<<(ostream& out,map<L,R> &m)         {out<<"{";for(auto it=m.begin();it!=m.end();++it){if(it!=m.begin())out<<", ";out<<*it;}return out<<"}";}

void dbg_out() {cerr<<"]\n";}
template<typename Head,typename... Tail> 
void dbg_out(Head H,Tail... T) {cerr<<H;if(sizeof...(Tail))cerr<<", ";dbg_out(T...);}
#ifdef LOCAL
#define dbg(...) cerr<<"["<<#__VA_ARGS__<<"] = [",dbg_out(__VA_ARGS__)
#else
#define dbg(...)
#endif

//---------------------------------mars4---------------------------------

ll N;
ll ind;

struct Node
{
	int left;
	int right;
	ll val;
	ll lazy;

	Node(): left(-1), right(-1), val(0), lazy(0) {}
};

Node T[16'000'000];

void extend(ll cind)
{
	if(T[cind].left==-1)
	{
		T[cind].left=++ind;
		T[cind].right=++ind;
	}
}

ll combine(ll a,ll b)
{
	return min(a,b);
}

void _update(ll ind,ll st,ll ed,ll l,ll r,ll val,ll op)
{
	if(st>ed or st>r or ed<l)
	{
		return;
	}
	if(st>=l and ed<=r)
	{
		if(op==1)
		{
			if(val>0)
			{
				if(T[ind].lazy==0)
				{
					T[ind].val-=val;
				}
				T[ind].lazy++;
			}
			else
			{
				T[ind].lazy--;
				if(T[ind].lazy==0)
				{
					T[ind].val-=val;
				}
			}
		}
		else
		{
			T[ind].val+=val;
			if(st!=ed)
			{
				T[ind].lazy+=val;
			}
		}
		return;
	}
	ll mid=(st+ed)>>1;
	extend(ind);
	_update(T[ind].left,st,mid,l,r,val,op);
	_update(T[ind].right,mid+1,ed,l,r,val,op);
	T[ind].val=combine(T[T[ind].left].val,T[T[ind].right].val)+T[ind].lazy;
}

void init(ll n)
{
	ind=0;
	N=n;
}

void update(ll l,ll r,ll val,ll op)
{
	_update(0,0,N-1,l,r,val,op);
}

ll ed;

bool init(int coinsCount, long long maxCoinSize, long long coins[])
{
	ed=maxCoinSize+7;
	init(ed);
	forn(i,0,coinsCount)
	{
		update(coins[i],coins[i],coins[i],1);
		update(coins[i]+1,ed,coins[i],2);
	}
	return T[0].val+T[0].lazy>=-1;
}

bool is_happy(int event, int coinsCount, long long coins[])
{
	forn(i,0,coinsCount)
	{
		update(coins[i],coins[i],event*coins[i],1);
		update(coins[i]+1,ed,event*coins[i],2);
	}
	return T[0].val+T[0].lazy>=-1;
}

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