This website works better with JavaScript
Startseite
Erkunden
Hilfe
Registrieren
Anmelden
AOJTeam
/
Contest1415
Beobachten
5
Favorit hinzufügen
0
Fork
0
Dateien
Issues
0
Pull-Requests
0
Wiki
Branch:
master
Branches
Tags
master
Contest1415
/
C.py
C.py
94 B
Permalink
Verlauf
Originalformat
1
2
3
4
5
6
n,s,h = int(input()),0,100
s -= h
for i in range(n):
s += 2 * h
h /= 2
print('%.4f'%s)