結果
問題 | No.1681 +-* |
ユーザー | soraie_ |
提出日時 | 2021-09-20 11:35:13 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 56 ms / 2,000 ms |
コード長 | 5,515 bytes |
コンパイル時間 | 5,255 ms |
コンパイル使用メモリ | 290,684 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-07-02 13:21:21 |
合計ジャッジ時間 | 6,916 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
(要ログイン)
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
6,812 KB |
testcase_01 | AC | 1 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 48 ms
6,940 KB |
testcase_06 | AC | 47 ms
6,944 KB |
testcase_07 | AC | 47 ms
6,940 KB |
testcase_08 | AC | 55 ms
6,940 KB |
testcase_09 | AC | 54 ms
6,940 KB |
testcase_10 | AC | 55 ms
6,940 KB |
testcase_11 | AC | 55 ms
6,940 KB |
testcase_12 | AC | 55 ms
6,940 KB |
testcase_13 | AC | 28 ms
6,944 KB |
testcase_14 | AC | 56 ms
6,948 KB |
testcase_15 | AC | 2 ms
6,940 KB |
testcase_16 | AC | 1 ms
6,944 KB |
testcase_17 | AC | 56 ms
6,944 KB |
testcase_18 | AC | 54 ms
6,940 KB |
testcase_19 | AC | 55 ms
6,940 KB |
ソースコード
#ifdef _DEBUG #ifdef _SORAIE #define _GLIBCXX_DEBUG #endif #endif #include <bits/stdc++.h> #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") using namespace std; //-------------------------------------------------------------------- #define all(a) (a).begin(),(a).end() #define rall(a) (a).rbegin(),(a).rend() #define overload4(_1,_2,_3,_4,name,...) name #define rep1(n) for(ll _ThiS_WoNt_Be_usEd=0;_ThiS_WoNt_Be_usEd<(ll)n;++_ThiS_WoNt_Be_usEd) #define rep2(i,n) for(ll i=0;i<(ll)n;++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__) #ifdef _DEBUG #define pass(...) __VA_ARGS__ ; #define debug1(a) cerr<<(#a)<<": "<<(a)<<"\n" #define debug2(a,b) cerr<<(#a)<<": "<<(a)<<", "<<(#b)<<": "<<(b)<<"\n" #define debug3(a,b,c) cerr<<(#a)<<": "<<(a)<<", "<<(#b)<<": "<<(b)<<", "<<(#c)<<": "<<(c)<<"\n" #define debug4(a,b,c,d) cerr<<(#a)<<": "<<(a)<<", "<<(#b)<<": "<<(b)<<", "<<(#c)<<": "<<(c)<<", "<<(#d)<<": "<<(d)<<"\n" /* #define debug1(a) cout<<#a<<": "<<a<<"\n" #define debug2(a,b) cout<<#a<<": "<<a<<", "<<#b<<": "<<b<<"\n" #define debug3(a,b,c) cout<<#a<<": "<<a<<", "<<#b<<": "<<b<<", "<<#c<<": "<<c<<"\n" #define debug4(a,b,c,d) cout<<#a<<": "<<a<<", "<<#b<<": "<<b<<", "<<#c<<": "<<c<<", "<<#d<<": "<<d<<"\n" */ #define debug(...) overload4(__VA_ARGS__,debug4,debug3,debug2,debug1)(__VA_ARGS__) #define koko cerr << "koko\n"; #else #define debug(...) void(0) #define pass(...) void(0); #define koko void(0); #endif #define mp make_pair #define ten(d) int64_t(1e##d) struct asdfghjkl{asdfghjkl(){ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);}} qwertyuiop; void doset(int n){cout << fixed << setprecision(n);cerr << fixed << setprecision(n);} using ll = long long; using ld = long double; using dou = double; template<class First,class Second>ostream& operator<<(ostream& os,const pair<First,Second>& pp) {return os << "{" << pp.first << "," << pp.second << "}";} template<class T>ostream& operator<<(ostream& os,const vector<T>& VV) {if(VV.empty())return os<<"[]";os<<"[";rep(i,VV.size())os<<VV[i]<<(i==int(VV.size()-1)?"]":",");return os;} template<class T>ostream& operator<<(ostream& os,const set<T>& SS) {if(SS.empty())return os<<"[]";os<<"[";auto ii=SS.begin();for(;ii!=SS.end();ii++)os<<*ii<<(ii==prev(SS.end())?"]":",");return os;} template<class Key,class Tp>ostream& operator<<(ostream& os,const map<Key,Tp>& MM) {if(MM.empty())return os<<"[]";os<<"[";auto ii=MM.begin();for(;ii!=MM.end();ii++)os<<"{"<<ii->first<<":"<<ii->second<<"}"<<(ii==prev(MM.end())?"]":",");return os;} constexpr int inf = 1 << 30; constexpr ll INF = 1LL << 61; constexpr ld pi = 3.14159265358; constexpr ll mod1 = 1000000007LL; constexpr ll mod2 = 998244353LL; using pll = pair<ll,ll>; using pli = pair<ll,int>; using pii = pair<int,int>; template<class T, class U> inline bool chmin(T& a, const U& b){ if(a > b){ a = b; return 1; } return 0; } template<class T, class U> inline bool chmax(T& a, const U& b){ if(a < b){ a = b; return 1; } return 0; } ll modpow(ll n,ll m,ll MOD){ if(m == 0)return 1; if(m < 0)return 0; ll res = 1; n %= MOD; while(m){ if(m & 1)res = (res * n) % MOD; m >>= 1; n *= n; n %= MOD; } return res; } ll mypow(ll n,ll m){ if(m == 0)return 1; if(m < 0)return -1; ll res = 1; while(m){ if(m & 1)res = (res * n); m >>= 1; n *= n; } return res; } inline bool isp(ll n){ bool res = true; if(n == 1 || n == 0)return false; else{ for(ll i = 2;i * i <= n;i++){ if(n % i == 0){ res = false; break; } } return res; } } inline bool Yes(bool b = 1){cout << (b ? "Yes\n":"No\n");return b;} inline bool YES(bool b = 1){cout << (b ? "YES\n":"NO\n");return b;} map<ll,ll> primefactor(ll n){ map<ll,ll> ma; if(n <= 1)return ma; ll m = n; for(ll i = 2;i * i <= n;i++){ while(m % i == 0){ ma[i]++; m /= i; } } if(m != 1)ma[m]++; return ma; } vector<ll> divisor(ll n,bool sorted = true,bool samein = false){ vector<ll> res; for(ll i = 1;i * i <= n;i++){ if(n % i == 0){ res.push_back(i); if(i * i != n || samein)res.push_back(n / i); } } if(sorted)sort(all(res)); return res; } ll __lcm(ll a,ll b){return a / __gcd(a,b) * b;} template<class T>T sum(const vector<T> &V){T r=0;for(auto x:V)r+=x;return r;} template<class T>T sum(const initializer_list<T> &V){T r=0;for(auto x:V)r+=x;return r;} #if __has_include("atcoder/all") #include <atcoder/all> using namespace atcoder; template<int m,class OS> OS& operator<<(OS& os,const static_modint<m>& self){os << self.val();return os;} #endif // #include <boost/multiprecision/cpp_dec_float.hpp> // using lld = boost::multiprecision::number<boost::multiprecision::cpp_dec_float<20>>; // #include <boost/multiprecision/cpp_int.hpp> // using lll = boost::multiprecision::cpp_int; //-------------------------------------------------------------------- int main(){ int N; cin >> N; vector<ll> vec(N); rep(i,N)cin >> vec[i]; using mint = modint1000000007; mint ans = 0,pro = 1; rep(i,N){ pro *= vec[i]; ans += (i == N - 1 ? 1 : mint(3).pow(N - i - 1) - mint(3).pow(N - i - 2)) * pro; } cout << ans << "\n"; }