結果
問題 | No.2052 Indegree |
ユーザー | MtSaka |
提出日時 | 2022-08-21 12:49:54 |
言語 | C++17(gcc12) (gcc 12.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 6,043 bytes |
コンパイル時間 | 2,085 ms |
コンパイル使用メモリ | 202,756 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-10-10 05:50:55 |
合計ジャッジ時間 | 2,802 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 2 ms
5,248 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 2 ms
5,248 KB |
testcase_12 | AC | 2 ms
5,248 KB |
testcase_13 | AC | 2 ms
5,248 KB |
testcase_14 | AC | 2 ms
5,248 KB |
testcase_15 | AC | 2 ms
5,248 KB |
testcase_16 | AC | 2 ms
5,248 KB |
testcase_17 | AC | 2 ms
5,248 KB |
testcase_18 | AC | 2 ms
5,248 KB |
testcase_19 | AC | 2 ms
5,248 KB |
testcase_20 | AC | 1 ms
5,248 KB |
testcase_21 | AC | 2 ms
5,248 KB |
ソースコード
#line 2 "library/template/template.hpp"//#pragma GCC target("avx")//#pragma GCC optimize("O3")//#pragma GCC optimize("unroll-loops")#include<bits/stdc++.h>#define overload4(a,b,c,d,e,...) e#define overload3(a,b,c,d,...) d#define rep1(a) for(ll i=0;i<(ll)(a);i++)#define rep2(i,a) for(ll i=0;i<(ll)(a);i++)#define rep3(i,a,b) for(ll i=(ll)(a);i<(ll)(b);i++)#define rep4(i,a,b,c) for(ll i=(ll)(a);i<(ll)(b);i+=(ll)(c))#define rep(...) overload4(__VA_ARGS__, rep4, rep3, rep2, rep1)(__VA_ARGS__)#define rrep1(a) for(ll i=(ll)(a)-1;i>=0;i--)#define rrep2(i,a) for(ll i=(ll)(a)-1;i>=0;i--)#define rrep3(i,a,b) for(ll i=(ll)(b)-1;i>=(ll)(a);i--)#define rrep(...) overload3(__VA_ARGS__,rrep3,rrep2,rrep1)(__VA_ARGS__)#define fore(...) for (auto&& __VA_ARGS__)#define all1(i) begin(i),end(i)#define all2(i,a) begin(i),begin(i)+a#define all3(i,a,b) begin(i)+a,begin(i)+b#define all(...) overload3(__VA_ARGS__,all3,all2,all1)(__VA_ARGS__)#define rall(n) (n).rbegin(),(n).rend()#define INT(...) int __VA_ARGS__;scan(__VA_ARGS__)#define LL(...) ll __VA_ARGS__;scan(__VA_ARGS__)#define STR(...) string __VA_ARGS__;scan(__VA_ARGS__)#define CHR(...) char __VA_ARGS__;scan(__VA_ARGS__)#define DBL(...) double __VA_ARGS__;scan(__VA_ARGS__)#define LD(...) ld __VA_ARGS__;scan(__VA_ARGS__)#define pb push_back#define eb emplace_back#define END(...) {print(__VA_ARGS__);return;}using namespace std;using ll=long long;using ull=unsigned long long;using ld=long double;using vl=vector<ll>;using vi=vector<int>;using vs=vector<string>;using vc=vector<char>;using vvl=vector<vl>;using pi=pair<int,int>;using pl=pair<ll,ll>;using vvc=vector<vc>;using vd=vector<double>;using vp=vector<pl>;using vb=vector<bool>;constexpr int dx[8]={1,0,-1,0,1,-1,-1,1};constexpr int dy[8]={0,1,0,-1,1,1,-1,-1};constexpr ll MOD=1000000007;constexpr ll mod=998244353;constexpr ld EPS=1e-8;constexpr ld PI=3.1415926535897932384626;template<typename T,typename U>ostream &operator<<(ostream&os,const pair<T,U>&p){os<<p.first<<" "<<p.second;return os;}template<typename T,typename U>istream &operator>>(istream&is,pair<T,U>&p){is>>p.first>>p.second;return is;}template<typename T>ostream &operator<<(ostream&os,const vector<T>&v){for(auto it=v.begin();it!=v.end();){os<<*it<<((++it)!=v.end()?" ":"");}return os;}template<typename T>istream &operator>>(istream&is,vector<T>&v){for(T &in:v){is>>in;}return is;}void scan(){}template<class Head,class... Tail>void scan(Head&head,Tail&... tail){cin>>head;scan(tail...);}template<class T>void print(const T &t){cout<<t<<'\n';}template<class Head, class... Tail>void print(const Head &head, const Tail &... tail){cout<<head<<' ';print(tail...);}template<class... T>void fin(const T &... a){print(a...);exit(0);}template<typename T,typename U>inline bool chmax(T&a,U b){return a<b&&(a=b,true);}template<typename T,typename U>inline bool chmin(T&a,U b){return a>b&&(a=b,true);}template<typename T>class infinity{public:static constexpr T MAX=numeric_limits<T>::max();static constexpr T MIN=numeric_limits<T>::min();static constexpr T value=numeric_limits<T>::max()/2;static constexpr T mvalue=numeric_limits<T>::min()/2;};#if __cplusplus <= 201402Ltemplate<class T>constexpr T infinity<T>::value;template<class T>constexpr T infinity<T>::mvalue;template<class T>constexpr T infinity<T>::MAX;template<class T>constexpr T infinity<T>::MIN;#endiftemplate<typename T>constexpr T INF=infinity<T>::value;constexpr long long inf=INF<ll>;inline int popcnt(ull x){#if __cplusplus>=202002Lreturn popcount(x);#endifx=(x&0x5555555555555555)+((x>>1)&0x5555555555555555);x=(x&0x3333333333333333)+((x>>2)&0x3333333333333333);x=(x&0x0f0f0f0f0f0f0f0f)+((x>>4)&0x0f0f0f0f0f0f0f0f);x=(x&0x00ff00ff00ff00ff)+((x>>8)&0x00ff00ff00ff00ff);x=(x&0x0000ffff0000ffff)+((x>>16)&0x0000ffff0000ffff);return(x&0x00000000ffffffff)+((x>>32)&0x00000000ffffffff);}template<typename T,typename=void>struct is_specialize:false_type{};template<typename T>struct is_specialize<T,typename conditional<false,typename T::iterator, void>::type>:true_type{};template<typename T>struct is_specialize<T,typename conditional<false,decltype(T::first),void>::type>:true_type{};template<typename T>struct is_specialize<T,enable_if_t<is_integral<T>::value,void>>:true_type{};void dump(const char&t){cerr<<t;}void dump(const string&t){cerr<<t;}void dump(const bool&t){cerr<<(t?"true":"false");}template <typename T,enable_if_t<!is_specialize<T>::value,nullptr_t> =nullptr>void dump(const T&t){cerr<<t;}template<typename T>void dump(const T&t,enable_if_t<is_integral<T>::value>* =nullptr){string tmp;if(t==infinity<T>::value||t==infinity<T>::MAX)tmp="inf";if(is_signed<T>::value&&(t==infinity<T>::mvalue||t==infinity<T>::MIN))tmp="-inf";if(tmp.empty())tmp=to_string(t);cerr<<tmp;}template<typename T,typename U>void dump(const pair<T,U>&);template<typename T>void dump(const T&t,enable_if_t<!is_void<typename T::iterator>::value>* =nullptr){cerr<<"{";for(auto it=t.begin();it!=t.end();){dump(*it);cerr<<(++it==t.end()?"":",");}cerr<<"}";}template<typename T,typename U>void dump(const pair<T,U>&t){cerr<<"(";dump(t.first);cerr<<",";dump(t.second);cerr<<")";}void trace(){cerr<<endl;}template<typename Head,typename... Tail>void trace(Head&&head,Tail&&... tail){dump(head);if(sizeof...(tail))cerr<<",";trace(forward<Tail>(tail)...);}#ifdef ONLINE_JUDGE#define debug(...) (void(0))#else#define debug(...) do{cerr<<#__VA_ARGS__<<"=";trace(__VA_ARGS__);}while(0)#endifstruct IOSetup{IOSetup(){cin.tie(nullptr);ios::sync_with_stdio(false);cout.tie(0);cout<<fixed<<setprecision(12);cerr<<fixed<<setprecision(12);}};template<class F>struct REC{F f;REC(F&&f_):f(std::forward<F>(f_)){}template<class...Args>auto operator()(Args&&...args)const{return f(*this, std::forward<Args>(args)...);}};/*** @brief Template(テンプレート)*/#line 2 "code.cpp"int main(){LL(n,m);vl cnt(n);rep(i,m){LL(a,b);b--;cnt[b]++;}print(count(all(cnt),0));}