結果

問題 No.347 微分と積分
ユーザー keikei
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
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 3
other AC * 20
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

#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>
============================================================
=================================================================
=============================================================
================================================================
*/
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;
}
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