Created
September 7, 2017 11:22
-
-
Save mi6112ogit/19a47ee2cc462ea31dac94d13fe0f2cb to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#include <bits/stdc++.h> | |
using namespace std; | |
#define int long long | |
#define FOR(i, j, k) for(int i = j; i < k; ++i) | |
#define rep(i, j) FOR(i, 0, j) | |
#define FORr(i, j, k) for(int i = j; i >= k; --i) | |
#define repr(i, j) FORr(i, j, 0) | |
#define INF (1 << 30) | |
typedef long long ll; | |
typedef unsigned long long ull; | |
typedef pair<int, int> P; | |
typedef pair<P, int> Pi; | |
const int MOD = 1e9 + 7; | |
const int dy[]={0, 0, 1, -1}; | |
const int dx[]={1, -1, 0, 0}; | |
template <class T> void chmin(T& a, const T& b) { a = min(a, b); } | |
template <class T> void chmax(T& a, const T& b) { a = max(a, b); } | |
double r[1024], dp[11][1024]; | |
double win(int p, int q) { | |
return 1. / (1. + pow(10., (q - p) / 400.)); | |
} | |
signed main() { | |
cin.tie(0); | |
ios::sync_with_stdio(false); | |
int k; | |
cin >> k; | |
rep(i, (1 << k)) cin >> r[i]; | |
rep(i, (1 << k)) dp[0][i] = 1.0; | |
rep(i, k) { | |
rep(j, (1 << k)) rep(l, (1 << k)) { | |
if((j >> i) != (l >> i) && (j >> (i + 1)) == (l >> (i + 1))) { | |
dp[i + 1][j] += dp[i][j] * dp[i][l] * win(r[j], r[l]); | |
} | |
} | |
} | |
rep(i, (1 << k)) printf("%.9f\n", dp[k][i]); | |
return 0; | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment