#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 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 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---------------------------------
class DynamicSegtree
{
ll N;
static ll _ind;
struct Node
{
int left;
int right;
ll val;
ll lazy;
int cnt;
Node(): left(-1), right(-1), val(0), lazy(0), cnt(0) {}
void extend()
{
if(left==-1)
{
left=++_ind;
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==2)
{
if(val<0)
{
if(T[ind].cnt==0)
{
T[ind].val+=val;
}
T[ind].cnt++;
}
else
{
T[ind].cnt--;
if(T[ind].cnt==0)
{
T[ind].val+=val;
}
}
}
else
{
T[ind].val+=val;
T[ind].lazy+=val;
}
return;
}
ll mid=(st+ed)>>1;
T[ind].extend();
_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;
}
ll _query(ll ind,ll st,ll ed,ll l,ll r)
{
if(st>ed or st>r or ed<l)
{
return inf;
}
if(st>=l and ed<=r)
{
return T[ind].val;
}
ll mid=(st+ed)>>1;
T[ind].extend();
return combine(_query(T[ind].left,st,mid,l,r),_query(T[ind].right,mid+1,ed,l,r))+T[ind].lazy;
}
public:
Node T[16'000'000];
void init(ll n)
{
_ind=0;
N=n;
}
void update(ll l,ll r,ll val,ll op=1)
{
_update(0,0,N-1,l,r,val,op);
}
ll query(ll l,ll r)
{
return _query(0,0,N-1,l,r);
}
};
ll MX=0;
DynamicSegtree ds;
bool init(int coinsCount,long long maxCoinSize,long long coins[])
{
MX=maxCoinSize;
ds.init(maxCoinSize+100);
ds.update(0,MX,1);
forn(i,0,coinsCount)
{
ds.update(coins[i],coins[i],-coins[i],2);
ds.update(coins[i]+1,MX,coins[i]);
}
return (ds.T[0].val+ds.T[0].lazy>=0);
}
bool is_happy(int event,int coinsCount,long long coins[])
{
if(event==1)
{
forn(i,0,coinsCount)
{
ds.update(coins[i],coins[i],-coins[i],2);
ds.update(coins[i]+1,MX,coins[i]);
}
}
else
{
forn(i,0,coinsCount)
{
ds.update(coins[i],coins[i],coins[i],2);
ds.update(coins[i]+1,MX,-coins[i]);
}
}
return (ds.T[0].val+ds.T[0].lazy>=0);
}
Compilation message
grader.cpp: In function 'int main()':
grader.cpp:16:12: warning: unused variable 'max_code' [-Wunused-variable]
16 | long long max_code;
| ^~~~~~~~
/usr/bin/ld: /tmp/cc7UByhN.o: in function `init(int, long long, long long*)':
happiness.cpp:(.text+0x4a): undefined reference to `DynamicSegtree::_ind'
/usr/bin/ld: happiness.cpp:(.text+0x175): undefined reference to `DynamicSegtree::_ind'
/usr/bin/ld: happiness.cpp:(.text+0x18d): undefined reference to `DynamicSegtree::_ind'
/usr/bin/ld: happiness.cpp:(.text+0x23e): undefined reference to `DynamicSegtree::_ind'
/usr/bin/ld: happiness.cpp:(.text+0x256): undefined reference to `DynamicSegtree::_ind'
/usr/bin/ld: /tmp/cc7UByhN.o:happiness.cpp:(.text+0x388): more undefined references to `DynamicSegtree::_ind' follow
collect2: error: ld returned 1 exit status
