結果

問題 No.2516 Credit Creation
ユーザー Astral__Astral__
提出日時 2023-10-27 21:23:37
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 2 ms / 2,000 ms
コード長 6,549 bytes
コンパイル時間 1,677 ms
コンパイル使用メモリ 198,928 KB
最終ジャッジ日時 2025-02-17 14:26:01
ジャッジサーバーID
(参考情報)
judge5 / judge4
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 * 10
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>
#define PPque priority_queue<tuple<ll, ll, ll>, vector<tuple<ll, ll, ll>>, greater<tuple<ll, ll, ll>>>
#define Pque priority_queue<pair<ll, ll>, vector<pair<ll, ll>>, greater<pair<ll, ll>>>
#define pque priority_queue<ll, vector<ll>, greater<ll>>
#define umap unordered_map
#define uset unordered_set
#define rep(i, s, f) for(ll i = s; i <= f; i++)
#define per(i, s, f) for(ll i = s; i >= f; i--)
#define all0(x) (x).begin() ,(x).end()
#define all(x) (x).begin() + 1, (x).end()
#define vvvvl vector<vvvl>
#define vvvi vector<vector<vector<int>>>
#define vvvl vector<vector<vector<ll>>>
#define vvvc vector<vector<vector<char>>>
#define vvvd vector<vector<vector<double>>>
#define vvvm vector<vector<vector<mint>>>
#define vvi vector<vector<int>>
#define vvl vector<vector<ll>>
#define vvs vector<vector<string>>
#define vvc vector<vector<char>>
#define vvp vector<vector<pair<ll, ll>>>
#define vvb vector<vector<bool>>
#define vvd vector<vector<double>>
#define vvm vector<vector<mint>>
#define vp vector<pair<ll, ll>>
#define vi vector<int>
#define vl vector<ll>
#define vs vector<string>
#define vc vector<char>
#define vb vector<bool>
#define vd vector<double>
#define vm vector<mint>
#define P pair<ll, ll>
#define TU tuple<ll, ll, ll>
#define rrr(l, r) mt()%(r-l+1)+l
#define ENDL '\n'
#define ull unsigned long long
typedef long long ll;
using namespace std;
////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
template <typename T>
T or_less(vector<T> &A, T x) { //x : sort : -1
return distance(A.begin(), upper_bound(A.begin(), A.end(), x)-1);
}
template <typename T>
T under(vector<T> &A, T x) { //x : sort : -1
return distance(A.begin(), lower_bound(A.begin(), A.end(), x)-1);
}
template <typename T>
T or_more(vector<T> &A, T x) { //x  : sort : N . //distanceA.beginA.begin() NG: A
    .begin() + 1
return distance(A.begin(), lower_bound(A.begin(), A.end(), x));
}
template <typename T>
T over(vector<T> &A, T x) { //x: sort : N
return distance(A.begin(), upper_bound(A.begin(), A.end(), x));
}
template <typename T>
vector<T> vec_shift_right(vector<T> A, ll step, ll dir = 1, ll indexed = 1) {//dir = 1 : dir = -1 :
ll N = A.size() - indexed;
vector<T> res(N+1);
rep(i, indexed, N) {
ll idx = i - step * dir;
if(idx < indexed) idx += N;
if(idx > N) idx -= N;
res.at(i) = A.at(idx);
}
return res;
}
template <typename T>
void UNIQUE(vector<T> &A) {
sort(all0(A));
return A.erase(unique(A.begin(), A.end()), A.end());
}
template <typename T>
void rev90(vector<vector<T>> &A, int indexed = 1) {
reverse(A.begin() + indexed, A.end());
int n = A.size();
rep(i, indexed, n-1) {
rep(j, i+1, n-1) {
swap(A.at(i).at(j), A.at(j).at(i));
}
}
}
void chmin(ll &a, ll b) {
a = min(a, b);
}
void chmax(ll &a, ll b) {
a = max(a, b);
}
//////////////////////////////////////////////////////////////////////
//
///////////////////////////////////////////////////////////////////////
ll round(ll x, ll i) {return ll(x + 5 * pow(10, i-1))/ll(pow(10, i)) * ll(pow(10, i));}
vp insu_bunkai(ll N) {
vp res;
for (ll i = 2; i * i <= N; i++) {
ll cnt = 0;
while(N % i == 0) {
cnt++;
N /= i;
}
if(cnt != 0) res.push_back(P(i, cnt));
}
if(N != 1) res.push_back(P(N, 1));
return res;
}
ll extgcd (ll a, ll b, ll &x, ll &y) {
if(b == 0) { x = 1;y = 0;return a;}
ll d = extgcd(b, a%b, y, x);
y -= a/b * x;
return d;
}
template <typename T>
T ceil(T a, T b) {
assert(b != 0);
if(a % b == 0) return a / b;
if((a <= 0 && b < 0) || (a >= 0 && b > 0)) return a/b + 1;
else return a / b;
}
template <typename T>
T floor(T a, T b) {
assert(b != 0);
if(a % b == 0) return a / b;
if((a <= 0 && b < 0) || (a >= 0 && b > 0)) return a/b;
else return a/b - 1;
}
ll modpow(ll x, ll y, ll mod) {
if(x > mod) x %= mod;
if(y == 0) return 1;
ll res = modpow(x, y >> 1, mod);
res = res * res % mod;
if(y & 1) res *= x, res %= mod;
return res;
}
ll sqrt_(ll a) {
ll l = 0;
ll r = 3000000000LL;
while(l < r) {
ll mid = (l + r + 1) / 2;
if(mid * mid <= a) l = mid;
else r = mid - 1;
}
return l;
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
//#pragma GCC optimize("O3")
//#pragma GCC optimize("unroll-loops")
const ll int_max = 1001001001;
const ll ll_max = 1001001001001001001LL;
const double pi = 3.141592653589793;
vl dx{0, 1, 0, -1, 0, 1, 1, -1, -1}; // () → ↓ ← ↑ ※  
vl dy{0, 0, -1, 0, 1, 1, -1, -1, 1};
//const ll mod = 1000000007;
//const ll mod = 998244353;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void solve() {
ll N;
cin >> N;
double R;
cin >> R;
double ans = 0;
double c = 100;
rep(i,1,N) {
ans += c;
c *= (1.0 - R);
}
cout << ans << endl;
}
//0
//”
//(
//2( :(x / 2) :floor<ll>(x, 2);
//string1 :S.at(N-1) :S.at(0)
//if(S.at(i) == 1) ← char1...?
// mod...?(´ω)
//sort a == b  falseRE(
int main() {
ios::sync_with_stdio(false);
std::cin.tie(nullptr);
cout << fixed << setprecision(15);
ll T = 1;
//cin >> T;
rep(i, 1, T) {
solve();
}
return 0;
}
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