Submission #483370

#	Time	Username	Problem	Language	Result	Execution time	Memory
483370		Aaeria	Happiness (Balkan15_HAPPINESS)	C++17	100 / 100	165 ms	32320 KiB

happiness

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/priority_queue.hpp>
//#pragma GCC optimize("Ofast") //#pragma GCC optimize "unroll-loops" //#pragma GCC target "mmx,sse,sse2,sse3,sse4,avx,avx2,fma,abm,popcnt,tune=native" //#pragma GCC optimize "prefetch-loop-arrays"
using namespace std; using namespace __gnu_pbds;
#define foru(i,a,b) for(int i=(a);i<(b);i++)
#define ford(i,a,b) for(int i=(a)-1;i>=(b);i--)
#define fori(a,b) foru(i,a,b)
#define forj(a,b) foru(j,a,b)
#define fork(a,b) foru(k,a,b)
#define seto(x,i) memset(x,i,sizeof x)
#define pf first
#define ps second
#define pb push_back
#define eb emplace_back
#define em emplace
#define mp make_pair
#define mt make_tuple
#define popcount __builtin_popcount
#define popcountll __builtin_popcountll
#define clz __builtin_clz
#define clzll __builtin_clzll
#define ctz __builtin_ctz
#define ctzll __builtin_ctzll
#define P2(x) (1LL<<(x))
#define sz(x) (int)x.size()
#define all(x) begin(x),end(x)
#define lwb lower_bound
#define upb upper_bound
#if __SIZEOF_INT128__
    typedef __int128_t i128; typedef __uint128_t ui128;
#endif
typedef int64_t ll;  typedef uint64_t ull; typedef long double lld; typedef pair<int,int> pii; typedef pair<ll,ll> pll; typedef pair<lld,lld> pdd;
template<class T1,class T2> using ordered_map=tree<T1,T2,less<T1>,rb_tree_tag,tree_order_statistics_node_update>; template<class T1> using ordered_set=ordered_map<T1,null_type>;
template<class T> using minpq=std::priority_queue<T,vector<T>,greater<T>>; template<class T> using maxpq=std::priority_queue<T,vector<T>,less<T>>;
template<class T> using minpairingheap=__gnu_pbds::priority_queue<T,greater<T>,pairing_heap_tag>; template<class T>using maxpairingheap=__gnu_pbds::priority_queue<T,less<T>,pairing_heap_tag>;
const int inf=0x3f3f3f3f,MOD=1e9+7; const ll INF=0x3f3f3f3f3f3f3f3f; const lld PI=acos((lld)-1);
const ll SEED=443214^chrono::duration_cast<chrono::nanoseconds>(chrono::high_resolution_clock::now().time_since_epoch()).count();
mt19937 randgen(SEED); ll rand(ll a, ll b){return uniform_int_distribution<ll>(a,b)(randgen);}
ll gcd(ll a, ll b){return b?gcd(b,a%b):a;}
ll fpow(ll a,ll b){ll ret=1;for(;b;b>>=1){if(b&1) ret=ret*a%MOD;a=a*a%MOD;}return ret;} ll fpow(ll a,ll b,ll M){ll ret=1;for(;b;b>>=1){if(b&1) ret=ret*a%M;a=a*a%M;}return ret;}
template<class T1,class T2>constexpr const auto _min(const T1&x,const T2&y){return x<y?x:y;} template<class T,class...Ts>constexpr auto _min(const T&x,const Ts&...xs){return _min(x,_min(xs...));}
template<class T1,class T2>constexpr const auto _max(const T1&x,const T2&y){return x>y?x:y;} template<class T,class...Ts>constexpr auto _max(const T&x,const Ts&...xs){return _max(x,_max(xs...));}
#define min(...) _min(__VA_ARGS__)
#define max(...) _max(__VA_ARGS__)
template<class T1,class T2>constexpr bool ckmin(T1&x,const T2&y){return x>y?x=y,1:0;} template<class T,class...Ts>constexpr bool ckmin(T&x,const Ts&...xs){return ckmin(x,min(xs...));}
template<class T1,class T2>constexpr bool ckmax(T1&x,const T2&y){return x<y?x=y,1:0;} template<class T,class...Ts>constexpr bool ckmax(T&x,const Ts&...xs){return ckmax(x,max(xs...));}
template<class T1,class T2,class T3,class T4> constexpr const auto operator+(const pair<T1,T2>& a,const pair<T3,T4>& b){return mp(a.pf+b.pf,a.ps+b.ps);}
template<class T1,class T2,class T3,class T4> constexpr const auto operator-(const pair<T1,T2>& a,const pair<T3,T4>& b){return mp(a.pf-b.pf,a.ps-b.ps);}
template<class T1,class T2,class T3> constexpr const auto operator *(const pair<T1,T2>& a,const T3& b){return mp(a.pf*b,a.ps*b);}
template<class T1,class T2,class T3> constexpr const auto operator *(const T1& a,const pair<T2,T3>& b){return b*a;}
template<class T1,class T2,class T3> constexpr const auto operator /(const pair<T1,T2>& a,const T3& b){return mp(a.pf/b,a.ps/b);}
template<class T1,class T2,class T3,class T4> constexpr const auto& operator+=(pair<T1,T2> &a,const pair<T3,T4> &b){return a=a+b;}
template<class T1,class T2,class T3,class T4> constexpr const auto& operator-=(pair<T1,T2> &a,const pair<T3,T4> &b){return a=a-b;}
template<class T1,class T2,class T3> constexpr const auto& operator*=(pair<T1,T2> &a,const T3 &b){return a=a*b;}
template<class T1,class T2,class T3> constexpr const auto& operator/=(pair<T1,T2> &a,const T3 &b){return a=a/b;}
template<class T,class U> void erase(T& t,const U& u){auto it=t.find(u);if(it!=end(t)) t.erase(it);}
struct chash{
    static ll splitmix64(ll x){x+=0x9e3779b97f4a7c15; x=(x^(x>>30))*0xbf58476d1ce4e5b9; x=(x^(x>>27))*0x94d049bb133111eb; return x^(x>>31);}
    template<class T> size_t operator()(const T &x) const{return splitmix64(hash<T>()(x)+SEED);}
    template<class T1,class T2> size_t operator()(const pair<T1,T2>&x)const{return 31*operator()(x.first)+operator()(x.second);}};
void fIn(string s){freopen(s.c_str(),"r",stdin);} void fOut(string s){freopen(s.c_str(),"w",stdout);} void fIO(string s){fIn(s+".in"); fOut(s+".out");}
string to_string(char c){return string(1,c);} string to_string(char* s){return (string)s;} string to_string(string s){return s;}
template<class T> string to_string(complex<T> c){stringstream ss; ss<<c; return ss.str();}
template<class T1,class T2> string to_string(pair<T1,T2> p){return "("+to_string(p.pf)+","+to_string(p.ps)+")";}
template<class T> string to_string(T v){string ret="{"; for(const auto& x:v) ret+=to_string(x)+","; return ret+"}";}
void DBG(){cerr<<"]"<<endl;} template<class T,class... Ts> void DBG(T x,Ts... xs){cerr<<to_string(x); if(sizeof...(xs)) cerr<<", "; DBG(xs...);}
#ifdef LOCAL
    #define dbg(...) cerr<<"Line("<< __LINE__<<") -> ["<<#__VA_ARGS__<<"]: [", DBG(__VA_ARGS__)
#else
    #define dbg(...) 0
#endif
#define nl "\n"

const int N=0,M=MOD,L=41;
minpq<ll> coin[L];
gp_hash_table<ll,int> del;
ll s[L];
void ins(int e,ll c){
    int a=64-clzll(c);
    if(e==1){
        coin[a].em(c);
        s[a]+=c;
    }
    else{
        s[a]-=c;
        del[c]++;
    }
}
bool is_happy(int event, int coinsCount, long long coins[]){
    fori(0,coinsCount) ins(event,coins[i]);
    ll ret=1,ss=0;
    fori(0,L){
        while(sz(coin[i])&&del[coin[i].top()]) del[coin[i].top()]--,coin[i].pop();
        if(sz(coin[i])&&coin[i].top()>ss+1) ret=0;
        ss+=s[i];
    }
    return ret;
}
bool init(int coinsCount, long long maxCoinSize, long long coins[]){
    return is_happy(1,coinsCount,coins);
}

Compilation message (stderr)

happiness.cpp: In function 'void fIn(std::string)':
happiness.cpp:63:27: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   63 | void fIn(string s){freopen(s.c_str(),"r",stdin);} void fOut(string s){freopen(s.c_str(),"w",stdout);} void fIO(string s){fIn(s+".in"); fOut(s+".out");}
      |                    ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
happiness.cpp: In function 'void fOut(std::string)':
happiness.cpp:63:78: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   63 | void fIn(string s){freopen(s.c_str(),"r",stdin);} void fOut(string s){freopen(s.c_str(),"w",stdout);} void fIO(string s){fIn(s+".in"); fOut(s+".out");}
      |                                                                       ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
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