結果
問題 | No.347 微分と積分 |
ユーザー |
![]() |
提出日時 | 2018-11-02 00:45:15 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 2 ms / 5,000 ms |
コード長 | 1,877 bytes |
コンパイル時間 | 1,557 ms |
コンパイル使用メモリ | 169,968 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-11-20 10:13:40 |
合計ジャッジ時間 | 2,556 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 20 |
ソースコード
#include "bits/stdc++.h"using namespace std;typedef long long ll;typedef pair<int, int> pii;typedef pair<ll, ll> pll;const int INF = 1e9;const ll LINF = 1e18;inline ll gcd(ll a, ll b) { return b ? gcd(b, a%b) : a; }inline ll lcm(ll a, ll b) { return a / gcd(a, b)*b; }template<class S,class T> ostream& operator << (ostream& out,const pair<S,T>& o){ out << "(" << o.first << "," << o.second << ")"; return out; }template<class T> ostream& operator << (ostream& out,const vector<T> V){ for(int i = 0; i < V.size(); i++){ out << V[i]; if(i!=V.size()-1) out << " ";} return out; }template<class T> ostream& operator << (ostream& out,const vector<vector<T> > Mat){ for(int i = 0; i < Mat.size(); i++) { if(i != 0) out << endl; out<< Mat[i];} return out; }template<class S,class T> ostream& operator << (ostream& out,const map<S,T> mp){ out << "{ "; for(auto it = mp.begin(); it != mp.end(); it++){ out <<it->first << ":" << it->second; if(mp.size()-1 != distance(mp.begin(),it)) out << ", "; } out << " }"; return out; }/*<url:https://yukicoder.me/problems/no/347>問題文=============================================================================================================================解説=============================================================================================================================*/void solve(){int N; cin >> N;ll B; cin >> B;vector<double> a(N); for(auto& in:a) cin >> in;double A1 = 0;double A2 = 0;for(int i = 0; i < N;i++){A1 += a[i]*pow(B,a[i]-1);if(a[i] == -1.0){A2 += log(B);}else{A2 += pow(B,a[i]+1)/(a[i]+1);}}cout << fixed << setprecision(12);cout << A1 << endl;cout << A2 << endl;}int main(void) {cin.tie(0); ios_base::sync_with_stdio(false);solve();return 0;}