結果
問題 | No.1717 Levi-Civita Triangle |
ユーザー | suta28407928 |
提出日時 | 2021-10-22 22:54:49 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 36 ms / 2,000 ms |
コード長 | 3,941 bytes |
コンパイル時間 | 2,224 ms |
コンパイル使用メモリ | 184,768 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-09-23 06:41:35 |
合計ジャッジ時間 | 3,801 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 42 |
ソースコード
#pragma GCC ta g("avx2") #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #include <bits/stdc++.h> using namespace std; #define DEBUG #ifdef DEBUG template <class T, class U> ostream &operator<<(ostream &os, const pair<T, U> &p) { os << '(' << p.first << ',' << p.second << ')'; return os; } template <class T> ostream &operator<<(ostream &os, const vector<T> &v) { os << '{'; for(int i = 0; i < (int)v.size(); i++) { if(i) { os << ','; } os << v[i]; } os << '}'; return os; } void debugg() { cerr << endl; } template <class T, class... Args> void debugg(const T &x, const Args &... args) { cerr << " " << x; debugg(args...); } #define debug(...) \ cerr << __LINE__ << " [" << #__VA_ARGS__ << "]: ", debugg(__VA_ARGS__) #define dump(x) cerr << __LINE__ << " " << #x << " = " << (x) << endl #else #define debug(...) (void(0)) #define dump(x) (void(0)) #endif using namespace std; typedef long long ll; typedef vector<ll> vl; typedef vector<vl> vvl; typedef vector<char> vc; typedef vector<string> vs; typedef vector<bool> vb; typedef vector<double> vd; typedef pair<ll,ll> P; typedef pair<int,int> pii; typedef vector<P> vpl; typedef tuple<ll,ll,ll> tapu; #define rep(i,n) for(int i=0; i<(n); i++) #define REP(i,a,b) for(int i=(a); i<(b); i++) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() template<typename T1,typename T2> inline bool chmin(T1 &a,T2 b){ if(a>b){ a = b; return true; } else return false; } template<typename T1,typename T2> inline bool chmax(T1 &a,T2 b){ if(a<b){ a = b; return true; } else return false; } template<typename T> inline void print(T &a){ int sz = a.size(); for(auto itr = a.begin(); itr != a.end(); itr++){ cout << *itr; sz--; if(sz) cout << " "; } cout << "\n"; } template<typename T1,typename T2> inline void print2(T1 a, T2 b){ cout << a << " " << b << "\n"; } template<typename T1,typename T2,typename T3> inline void print3(T1 a, T2 b, T3 c){ cout << a << " " << b << " " << c << "\n"; } void mark() {cout << "#" << "\n";} ll pcount(ll x) {return __builtin_popcountll(x);} //#include <atcoder/maxflow> //using namespace atcoder; const int inf = (1<<30)-1; const ll linf = 1LL<<61; const int MAX = 510000; int dy[8] = {0,1,0,-1,1,-1,-1,1}; int dx[8] = {-1,0,1,0,1,-1,1,-1}; const double pi = acos(-1); const double eps = 1e-9; const int mod = 1e9 + 7; //const int mod = 998244353; vl A; void f(int k){ if(k == 0){ int n = A.size(); vl a = A; while((int)a.size() > 1){ n = a.size(); vl b(n-2); rep(i,n-2){ if(a[i+1]%3 == (a[i]+1)%3 && a[i+2]%3 == (a[i+1]+1)%3){ b[i] = 1; }else if(a[i+1]%3 == (a[i]+2)%3 && a[i+2]%3 == (a[i+1]+2)%3){ b[i] = 2; }else{ b[i] = 0; } } a = b; } if(a[0] != 0){ debug(A,a[0]); } }else{ rep(i,3){ A.push_back(i); f(k-1); A.pop_back(); } } } int main(){ int n; cin >> n; //f(n); 実験 int N = n*2+1; vl a(N); rep(i,N) cin >> a[i]; if(a[0] == a[1]){ cout << 0 << endl; return 0; } bool up = (a[0]+1)%3 == a[1]; for(int i=0; i<N-1; i+=2){ if(up){ if((a[i]+1)%3 == a[i+1] && (a[i+1]+1)%3 == a[i+2]){ up = false; continue; } cout << 0 << endl; return 0; }else{ if(a[i] == (a[i+1]+1)%3 && a[i+1] == (a[i+2]+1)%3){ up = true; continue; } cout << 0 << endl; return 0; } } if(!up) cout << 1 << endl; else cout << 2 << endl; }