結果
問題 | No.797 Noelちゃんとピラミッド |
ユーザー | daleksprinter |
提出日時 | 2019-03-15 21:47:08 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 80 ms / 2,000 ms |
コード長 | 3,369 bytes |
コンパイル時間 | 1,619 ms |
コンパイル使用メモリ | 172,268 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-07-01 20:45:01 |
合計ジャッジ時間 | 8,084 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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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 | 66 ms
6,816 KB |
testcase_01 | AC | 67 ms
6,940 KB |
testcase_02 | AC | 66 ms
6,944 KB |
testcase_03 | AC | 79 ms
6,940 KB |
testcase_04 | AC | 79 ms
6,944 KB |
testcase_05 | AC | 79 ms
6,940 KB |
testcase_06 | AC | 79 ms
6,940 KB |
testcase_07 | AC | 79 ms
6,940 KB |
testcase_08 | AC | 79 ms
6,944 KB |
testcase_09 | AC | 79 ms
6,940 KB |
testcase_10 | AC | 79 ms
6,940 KB |
testcase_11 | AC | 80 ms
6,940 KB |
testcase_12 | AC | 79 ms
6,940 KB |
testcase_13 | AC | 78 ms
6,940 KB |
testcase_14 | AC | 79 ms
6,940 KB |
testcase_15 | AC | 78 ms
6,940 KB |
testcase_16 | AC | 79 ms
6,944 KB |
testcase_17 | AC | 80 ms
6,940 KB |
testcase_18 | AC | 79 ms
6,944 KB |
testcase_19 | AC | 80 ms
6,940 KB |
testcase_20 | AC | 79 ms
6,944 KB |
testcase_21 | AC | 79 ms
6,940 KB |
testcase_22 | AC | 80 ms
6,940 KB |
testcase_23 | AC | 76 ms
6,944 KB |
testcase_24 | AC | 69 ms
6,940 KB |
testcase_25 | AC | 74 ms
6,940 KB |
testcase_26 | AC | 74 ms
6,940 KB |
testcase_27 | AC | 79 ms
6,940 KB |
testcase_28 | AC | 77 ms
6,944 KB |
testcase_29 | AC | 68 ms
6,940 KB |
testcase_30 | AC | 69 ms
6,940 KB |
testcase_31 | AC | 75 ms
6,940 KB |
testcase_32 | AC | 71 ms
6,944 KB |
testcase_33 | AC | 73 ms
6,944 KB |
testcase_34 | AC | 71 ms
6,940 KB |
testcase_35 | AC | 79 ms
6,944 KB |
testcase_36 | AC | 68 ms
6,940 KB |
testcase_37 | AC | 78 ms
6,940 KB |
testcase_38 | AC | 78 ms
6,944 KB |
testcase_39 | AC | 74 ms
6,940 KB |
testcase_40 | AC | 68 ms
6,940 KB |
testcase_41 | AC | 69 ms
6,944 KB |
testcase_42 | AC | 73 ms
6,944 KB |
testcase_43 | AC | 67 ms
6,940 KB |
testcase_44 | AC | 67 ms
6,944 KB |
testcase_45 | AC | 67 ms
6,944 KB |
testcase_46 | AC | 67 ms
6,940 KB |
testcase_47 | AC | 67 ms
6,944 KB |
testcase_48 | AC | 67 ms
6,944 KB |
testcase_49 | AC | 67 ms
6,940 KB |
testcase_50 | AC | 68 ms
6,944 KB |
testcase_51 | AC | 67 ms
6,940 KB |
testcase_52 | AC | 67 ms
6,940 KB |
testcase_53 | AC | 67 ms
6,940 KB |
testcase_54 | AC | 67 ms
6,940 KB |
testcase_55 | AC | 67 ms
6,944 KB |
testcase_56 | AC | 72 ms
6,944 KB |
testcase_57 | AC | 67 ms
6,944 KB |
testcase_58 | AC | 66 ms
6,944 KB |
testcase_59 | AC | 67 ms
6,940 KB |
testcase_60 | AC | 67 ms
6,944 KB |
testcase_61 | AC | 67 ms
6,940 KB |
testcase_62 | AC | 67 ms
6,940 KB |
ソースコード
#include "bits/stdc++.h" using namespace std; /* macro */ #define rep(i,a,b) for(int i=a;i<b;i++) #define revrep(i,a,b) for(int i = a; i > b; i--) #define int long long #define exist(s,e) ((s).find(e)!=(s).end()) #define all(v) (v).begin(), (v).end() #define each(s,itr) for(auto (itr) = s.begin(); (itr) != s.end(); (itr)++) #define sum(v) accumulate(all(v), (0LL)) #define isin(a, b, c) (b <= a && a <= c) #define println cout << "\n"; #define sz(v) (int)v.size() #define bin(x) static_cast<bitset<16> >(x) /* alias */ template<class T> using vec = vector<T>; typedef vector<int> vi; typedef pair<int, int> pi; typedef tuple<int, int, int> ti; typedef map<int, int> mi; typedef set<int> si; /* constant */ const int inf = 1LL << 62; const int mod = 1e9 + 7; const int dx[8]={1,0,-1,0,-1,1,-1,1}; const int dy[8]={0,1,0,-1,-1,-1,1,1}; const string alphabet = "abcdefghijklmnopqrstuvwxyz"; /* io_method */ int input(){int tmp;cin >> tmp;return tmp;} string raw_input(){string tmp;cin >> tmp;return tmp;} template<class T> void printx(T n){cout << n;} template<class T, class U> void printx(pair<T, U> p){cout << "(" << p.first << "," << p.second << ")";} template<class T, class U, class V> void printx(tuple<T, U, V> t){cout << "{" << get<0>(t) << "," << get<1>(t) <<"," << get<2>(t) << "}" << endl;} template<class T> void printx(vector<T> v){cout << "{";rep(i,0,v.size()){printx(v[i]);if(i != v.size()-1)printx(",");}cout << "}";} template<class T> void print(T n){printx(n);cout << endl;} template<class T> void print(set<T> s){cout << "{";each(s, e){if(e != s.begin()) printx(",");printx(*e);}cout << "}" << endl;} template<class T, class U> void print(map<T, U> mp){cout << "{";each(mp, e){cout << "(" << e -> first << "," << e -> second << ")";}cout << "}" << endl;} template<class T> void printans(vec<T> v){rep(i,0,sz(v)){cout << v[i] << (i == sz(v) - 1 ? "" : " ");}cout << endl;} /* general_method */ template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; } template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; } template<class T>T cut(T &a, int l, int r){return T(a.begin()+l, a.begin()+r);} /* main */ int n; vi arr; void in(){ cin >> n; rep(i,0,n) arr.push_back(input()); } struct binomial_coefficient{ vector<int> facts; vector<int> invs; int mod_pow(int x, int n, int m){if(n== 0) return 1;int res = mod_pow(x*x%m,n/2,m);if(n&1) res = res*x%m;return res;} int inv(int n){return mod_pow(n,mod-2,mod);} binomial_coefficient(int n){ facts.push_back(1); invs.push_back(1); for(int i = 1; i <= n; i++){ facts.push_back(facts[i-1]*i%mod); invs.push_back(inv(facts[i])); } } int nPr(int n, int r){ if(r > n) return 0; return (facts[n]%mod * invs[n-r]% mod)%mod; } int nCr(int n, int r){ if(r > n) return 0; return facts[n]%mod * invs[n-r]%mod * invs[r] % mod; } int nHr(int n, int r){ if(n==0 && r==0) return 1; return nCr(n+r-1, r); } }; void solve(){ binomial_coefficient bf(101010); int ans = 0; rep(i,0,n){ ans += bf.nCr(n - 1, i) * arr[i] % mod; } cout << ans % mod << endl; } signed main(){ cin.tie(0); ios::sync_with_stdio(false); in(); solve(); }