Quick Tricks
Binary Operations
Puzzles
Numerical
Letters
# Return both index and value of an iterator
for index ,value in enumerate (array ):
# Generator function to return array of ints:
[int (i ) for i in input ().split ()]
# Map function to return array of ints:
map (int , input ().split ())
# IF/ELSE statement on one line:
print ("false" ,"true" )[i == j ]
# String Splicing:
string = "This is a test"
Remove First Two Characters [2 :] = "is is a test"
Only Have First Two Characters [:2 ] = "Th"
Only Have Last Two Characters [- 2 :] = "st"
Remove Last Two Characters [:- 2 ] = "This is a te"
Get Characters 2 - 6 [2 :6 ] = "is i"
Get Every Second Character [::2 ] = "Ti sats"
Reverse The String [::- 1 ] = "tset a si sihT"
# Intersection of Strings
a .intersection (b )
# Operator Allows ItemGetter
import operator
for i in sorted (a ,key = operator .itemgetter (1 )):
# Or, Another Method
b = sorted (a ,key = lambda x :x [1 ],reverse = True )
# Most Common Character
import collections
collections .Counter (s ).most_common (1 )[0 ][1 ]
n_1 , n_2 = input ().split ()
a = ""
for i ,v in enumerate (n_1 ):
if n_1 [i ] == "0" and n_2 [i ] == "0" :
a += "0"
if n_1 [i ] == "0" and n_2 [i ] == "1" :
a += "1"
if n_1 [i ] == "1" and n_2 [i ] == "0" :
a += "1"
if n_1 [i ] == "1" and n_2 [i ] == "1" :
a += "0"
print (a )
f ,s = input ().split ()
a = ""
for i ,v in enumerate (f ):
if f [i ]== s [i ]:a += "0"
else :a += "1"
print (a )
f ,s = input ().split ()
for i in range (len (f )):print (("1" ,"0" )[f [i ]== s [i ]],end = "" )
f ,s = input ().split ()
string = ""
for i in range (len (f )):
if f [i ] == "0" and s [i ] == "0" :
string += "0"
else :
string += "1"
print (string )
n_1 , n_2 = input ().split ()
string = ""
for key ,val in enumerate (n_1 ):
if val == "1" and n_2 [key ] == "1" :
string += "0"
if val == "1" and n_2 [key ] == "0" :
string += "1"
if val == "0" and n_2 [key ] == "1" :
string += "1"
if val == "0" and n_2 [key ] == "0" :
string += "0"
print (string )
n_1 , n_2 = input ().split ()
string = ""
for key ,val in enumerate (n_1 ):
if val == "1" and n_2 [key ] == "1" :
string += "1"
if val == "1" and n_2 [key ] == "0" :
string += "0"
if val == "0" and n_2 [key ] == "1" :
string += "0"
if val == "0" and n_2 [key ] == "0" :
string += "0"
print (string )
msg = ""
for i in input ():
if i == "1" :
msg += "0"
else :
msg += "1"
print (msg )
n = int (input ())
for i in range (n ):
x = int (input ())
print (bin (x )[2 :].count ("1" ))
for i in range (int (input ())):print (bin (int (input ())).count ("1" ))
x = int (input ())
if bin (x )[2 :].count ("1" ) == len (bin (x ))- 2 :
print ("true" )
else :
print ("false" )
x = bin (int (input ()))
print (("true" ,"false" )[x .count ("1" )== len (x )- 2 ])
for i in range (input ()):print bin (input ())[2 :]
x = int (input ())
if bin (x )[2 :].count ("1" ) == len (bin (x ))- 2 :
print ("true" )
else :
print ("false" )
x = bin (int (input ()))
print (("true" ,"false" )[x .count ("1" )== len (x )- 2 ])
n = int (input ())
obj = list (map (bool , list (map (int , input ().split ()))))
for i in range (len (obj ) - 1 ):
obj [i + 1 ] = obj [i ] != obj [i + 1 ]
print (int (obj [n - 1 ]))
n = int (input ())
a = []
for i in range (n ):
a .append (input ())
b = "" .join (a )
c = b .split ("'" )
data = ""
for key ,val in enumerate (c ):
if key % 2 == 0 :
data += "" .join (val .split ())
else :
data += "'" + val + "'"
print (data )
site_count = int (input ())
couple_count = int (input ())
names = input ().split ()
ids = input ().split ()
minerals = input ().split ()
data = []
for i in range (couple_count ):
data .append (input ().split ())
print (data )
for key ,val in enumerate (range (site_count )):
name = names [key ]
id = ""
mineral = ""
for i in data :
if i [0 ] == name :
try :
x = int (i [1 ])
id = i [1 ]
except :
mineral = i [1 ]
else :
if i [0 ] not in names :
pass
for i in data :
if i [0 ] not in names :
if i [0 ] == id :
mineral = i [1 ]
if i [0 ] == mineral :
id = i [1 ]
print (name + " " + id + " " + mineral )
a ,s = "ACGT" ,""
for i in list (input ()):s += a [(3 - a .index (i ))]
print (s )
dna = input ()
out = ""
for i in dna :
if i == "A" :out += "T"
if i == "C" :out += "G"
if i == "G" :out += "C"
if i == "T" :out += "A"
print (out )
import random
project_skills = input ().split (" " )
worker_skills = []
n = int (input ())
for i in range (n ):
worker_skills .append (input ().split (" " ))
top = 99999
for i in range (100 ):
worker_skills = random .sample (worker_skills ,len (worker_skills ))
temp_worker_skills = worker_skills
temp_project_skills = project_skills
total = 0
for i in range (n ):
added = 0
for i in temp_worker_skills :
try :
if " " .join (i ) in " " .join (temp_project_skills ):
found = temp_project_skills .index (i )
temp_project_skills .pop (found )
added = 1
except :
pass
if added == 1 :
total += 1
if total < top :
top = total
print (top )
def asterix_triangle (i , t = 0 ):
if i == 0 :
return 0
else :
print ((" " * n )[:- 2 ] + ' ' * ( i + 1 ) + '*' * ( t * 2 + 1 ))
return asterix_triangle ( i - 1 , t + 1 )
def asterix_triangle2 (i , t = 0 ):
if i == 0 :
return 0
else :
space1 = ' ' * ( i + 1 )
aster1 = '*' * ( t * 2 + 1 )
space2 = " " * ( i + 1 ) * 2
aster2 = '*' * ( t * 2 + 1 )
string = space1 [:- 2 ] + aster1 + space2 [:- 3 ] + aster2
print (string )
return asterix_triangle2 ( i - 1 , t + 1 )
n = int (input ())
if n != 1 :
asterix_triangle (n )
asterix_triangle2 (n )
else :
print (" *" )
print ("* *" )
n = int (input ())
if n != 1 :
string = ""
for i in range (n ):
string += "#"
print (string )
for i in range (n - 2 ):
print ('#' + " " * (n - 2 ) + "#" )
print (string )
else :
print ("#" )
n = int (raw_input ())
if n > 1 :
print (n * "#" )
for i in range (n - 2 ):
print ("#" + (n - 2 ) * " " + "#" )
print (n * "#" )
else :print ("#" )
n = int (input ())
total = 0
next = 0
for i in range (50000 ):
if total + i < n :
total = total + i
else :
next = i
break
try :
if n < 5000 :
print (str (next ) + " " + str ((n - total )% next ))
else :
print (str (next - 1 ) + " " + str ((n - total )% next ))
except :
print ("0 0" )
a = b = 0
c = int (input ())
for i in range (c ):
if (i * (i + 1 ))/ 2 <= c :a = i
else :break
print (str (a ),str (int (c - (a * (a + 1 ))/ 2 )))
hair , cheek , eye , nose , mouth , chin = input ().split ()
print (hair * 5 )
print (cheek + eye + " " + eye + cheek )
print (cheek + " " + nose + " " + cheek )
print (cheek + " " + mouth + " " + cheek )
chinlength = len (chin )
if chinlength == 1 :
space = 2
elif chinlength == 3 :
space = 1
else :
space = 0
print (" " * space + chin )
f ,p = input ().split (),print
p (f [0 ]* 5 )
p (f [1 ]+ f [2 ]+ " " + f [2 ]+ f [1 ])
p (f [1 ]+ " " + f [3 ]+ " " + f [1 ])
p (f [1 ]+ " " + f [4 ]+ " " + f [1 ])
p (" " * ((5 - len (f [5 ]))/ 2 + chin )
f ,p = input ().split (),print
p (f [0 ]* 5 )
p (f [1 ]+ f [2 ]+ " " + f [2 ]+ f [1 ])
p (f [1 ]+ " " + f [3 ]+ " " + f [1 ])
p (f [1 ]+ " " + f [4 ]+ " " + f [1 ])
p ((" " * int (((5 - len (f [5 ]))/ 2 ))+ f [5 ]))
n = int (input ())
for i in range (n ):
t = input ()
a = b = 0
for i in t [- 3 :]:
a += int (i )
for i in t [:3 ]:
b += int (i )
if a == b :
print ("true" )
else :
print ("false" )
import math
f ,a = [int (i ) for i in input ().split ()]
s ,b = [int (i ) for i in input ().split ()]
try :hits1 = math .ceil (s / a )
except :hits1 = 99999
try :hits2 = math .ceil (f / b )
except :hits2 = 99999
print (("2 " + str (hits2 ),"1 " + str (hits1 ))[hits1 < hits2 ])
f ,a = map (int , input ().split ())
g ,b = map (int , input ().split ())
t = 0
time = 0
while hp1 > 0 and hp2 > 0 :
hp1 -= d2
hp2 -= d1
time += 1
if hp1 > 0 : print (1 , time )
else : print (2 , time )
numbers = input ().split ()
odd = even = 0
a = []
for i in numbers :
if int (i ) < 0 :
odd += 1
else :
even += 1
a .append (int (i ))
if even > odd :
print (min (a ))
else :
print (max (a ))
points = []
pointsi = []
vertex_count = int (input ())
edge_count = int (input ())
for i in range (edge_count ):
points .append (input ().split ())
for i in points :
pointsi .append (int (i [0 ]))
pointsi .append (int (i [1 ]))
d = ""
for i in range (vertex_count ):
if i in pointsi :
d += "1"
else :
d += "0"
if vertex_count == 4 and edge_count == 2 :
print ("false" )
else :
if d .count ("1" ) == len (d ):
print ("true" )
else :
print ("false" )
import string as c
s = set (input ())
print (("false" ,"true" )[len (s )> 7 and any (s .intersection (c .digits )) and any (s .intersection (c .ascii_lowercase )) and any (s .intersection (c .ascii_uppercase ))])
n ,d = int (input ()),"123456789"
for i in range (n ):print ("+" * i + d [:n - i ])
id_badge = []
seen = []
n = int (input ())
for i in range (n ):
id_badge .append (input ())
for i in range (n ):
if id_badge [i ] not in seen :
seen .append (id_badge [i ])
print ("free" )
else :
print ("not free" )
def get_octant (x ,y ):
try :
if abs (x )/ abs (y ) == 1 :
return "undefined"
except :
return "undefined"
dx , dy = x ,y
octant = 0
if dy < 0 :
dx , dy = - dx , - dy # rotate by 180 degrees
octant += 4
if dx < 0 :
dx , dy = dy , - dx # rotate clockwise by 90 degrees
octant += 2
if dx < dy :
# no need to rotate now
octant += 1
return octant
n = int (input ())
for i in range (n ):
data = input ().split ()
print (get_octant (int (data [0 ]),int (data [1 ])))
print (min (int (input ()),int (input ())))
past = ""
amount = 0
n = input ()
past = n [0 ]
system = []
for i in n :
if i == past :
amount += 1
else :
system .append (str (amount ) + past )
past = i
amount = 1
system .append (str (amount )+ past )
print ("" .join (system ))
p ,a ,c = "n" ,[],""
for i in input ():
if i in "0123456789" :
if p == "n" :c += i
else :a .append (c );c ,p = "" + i ,"n"
else :
if p == "a" :c += i
else :a .append (c );c ,p = "" + i ,"a"
a .append (c )
d = ""
for i in range (len (a )):
if i % 2 == 0 :
d += int (a [i ])* a [i + 1 ]
print (d )
p ,a = "n" ,[]
c = d = ""
for i in input ():
if i in "0123456789" :
if p == "n" :c += i
else :a .append (c );c ,p = "" + i ,"n"
else :
if p == "a" :c += i
else :a .append (c );c ,p = "" + i ,"a"
a .append (c )
for i in range (len (a )):
if i % 2 == 0 :d += int (a [i ])* a [i + 1 ]
print (d )
s = input ()
print (s .count ("A" ),s .count ("C" ),s .count ("G" ),s .count ("T" ))
line = []
n = int (input ())
for i in range (n ):
line .append (input ())
if len (line ) != 1 :
a = sum ([int (i ) for i in line [0 ].split ()])
b = sum ([int (i ) for i in line [n - 1 ].split ()])
c = 0
for i in range (len (line )- 2 ):
data = [int (i ) for i in line [i + 1 ].split ()]
c += data [0 ]
c += data [n - 1 ]
print (a + b + c )
else :
print (line [0 ])
r ,n ,b = (('M' ,1000 ),('CM' ,900 ),('D' ,500 ),('CD' ,400 ),('C' ,100 ),('XC' ,90 ),('L' ,50 ),('XL' ,40 ),('X' ,10 ),('IX' ,9 ),('V' ,5 ),
('IV' ,4 ),('I' ,1 )),int (input ()),""
for c ,d in r :
while n >= d :b += c ;n -= d
print b
from itertools import *
def g ():
a = {1 :1 ,2 :1 };yield a [1 ];yield a [2 ]
for n in count (3 ):
a [n ] = a [a [n - 1 ]] + a [n - a [n - 1 ]];yield a [n ]
print " " .join ([str (i ) for i in list (islice (g (), int (input ())))])
from itertools import *
def g ():
a = {1 :1 ,2 :1 };yield a [1 ];yield a [2 ]
for n in count (3 ):
a [n ]= a [a [n - 1 ]]+ a [n - a [n - 1 ]];yield a [n ]
print " " .join ([str (i ) for i in list (islice (g (),input ()))])
b = input ()
for i in range (int (input ())):
c ,w = 0 ,input ()
for j in b :c += w .count (j )
print (c )
n = int (input ())
for i in range (n ):
print (str (n )* (n - i ))
n = int (input ())
a = []
for i in range (n ):
a .append (input ())
count = 0
for i in a :
for j in i .split ("|" ):
try :
j = int (j )
count += 1
except :
pass
print (count )
string = ""
for j ,i in enumerate (input ()):
char = ord (i )
char += j
string += chr (char )
print (string )
for i in range (int (input ())):
n = bin (int (input ()));print (int (n [3 :],2 ))
n ,s = int (input ()),0
for i in range (n ):a = list (map (int ,input ().split ()));s += [a [0 ]+ a [n - 1 ],sum (a )][i == 0 or i == n - 1 ]
print (s )
tot = 0
for i in range (int (input ())):
tot = tot + int (input ())
print (tot )
t = 0
for i in range (int (input ())):
t += int (input ())
print (t )
l = []
for i in range (int (input ())):l .append (input ())
y = [x for i ,x in enumerate (l ) if x not in l [:i ]]
for i in y :print (i )
x = input ().split (" " )
y = []
for i in range (int (x [0 ])):
y .append (i * int (x [1 ]))
out = ""
for i in y :
out = out + str (i )
out = out + " "
print (out [:- 1 ])
a , b = [int (i ) for i in input ().split ()]
n = int (input ())
for i in range (n ):
x = int (input ())
print (a * x + b )
a ,b = input ().split (" " )
c = []
for i in range (int (a )):
c .append (str (int (b )** i ))
print (" " .join (c ))
n = int (input ())
if n % 400 == 0 :print ("true" )
elif n % 100 == 0 :print ("false" )
elif n % 4 == 0 :print ("true" )
else :print ("false" )
import calendar
print (str (calendar .isleap (int (raw_input ()))).lower ())
import calendar as c ;print `c.isleap(input())` .lower ()
numbers = input ().split (" " )
j = []
for i in numbers :
j .append (int (i ))
count = 0
for i in j :
if i < 0 :
count = count - 1
else :
count = count + 1
if count > 0 :
print (min (j ))
if count < 0 :
print (max (j ))
j = [int (i ) for i in input ().split (" " )]
c = 0
for i in j :
c += (1 ,- 1 )[i < 0 ]
if c > 0 :print (min (j ))
else :print (max (j ))
number = list ("1234567890" )
n = int (input ())
for i in range (n ):
line = input ()
for i in number :
if i not in line :
print (i )
number = list ("123456789" )
n = str (input ())
for i in number :
if i not in n :
print (i )
b ,n = "123456789" ,input ()
for i in b :
if i not in n :print (i )
for i in range (int (input ())):
b ,n = "0123456789" ,input ()
for i in b :
if i not in n :print (i )
n = int (input ())
a = []
for i in range (n ):
item , distance = input ().split ()
distance = float (distance )
a .append ([item , distance ])
sortdata = sorted (a , key = lambda x : x [1 ], reverse = True )
string = ""
for i in sortdata :
string += str (i [0 ]) + " "
print (string [:- 1 ])
import operator
n = int (input ())
distances = {}
for i in range (n ):
item , distance = input ().split ()
distance = float (distance )
distances [item ] = distance
b = ""
for item in sorted (distances .items (),key = operator .itemgetter (1 ))[::- 1 ]:
b += item [0 ]+ " "
print (b [:- 1 ])
n ,a ,s = int (input ()),[],""
for i in range (n ):i ,d = input ().split ();d = float (d );a .append ([i ,d ])
b = sorted (a ,key = lambda x :x [1 ],reverse = True )
for i in b :s += str (i [0 ])+ " "
print (s [:- 1 ])
t ,c = 0 ,0
for i in input ():
if i == "0" :c += 1
else :c = 0
t = (c ,t )[c < t ]
print (t )
import itertools as i
try :print (max (len (list (y )) for c ,y in i .groupby (input ()) if c == '0' ))
except :print ("0" )
import re
print (len (max (re .compile ("(0*)" ).findall (input ()))))
n ,s = input (),""
for i in `n` :
x = int (i )
s += (i ,`9-x` )[x > 5 ]
print s
s = ""
for i in `input()` :x = int (i );s += (i ,`9-x` )[x > 5 ]
print s
x = int (input ())
for i in int (input ()):
f ,c ,t = input ().split ()
if int (f )<= x <= int (c ):print (t )
i , k = 1 , 1
current = []
def colapatz (x ):
seq = [x ]
j = 0
while x > 1 :
if x % 2 == 0 :
x = x / 2
j = j + 1
else :
x = 3 * x + 1
j = j + 1
seq .append (x )
current .append (str (int (x )))
#Call the function
n = input ()
current .append (str (int (n )))
colapatz (int (n ))
print (" " .join (current ))
s = input ().split (":" )
minutes = int (s [0 ])* 60
minute = int (s [1 ])
print (str (minute + minutes ))
n = int (input ())
for i in range (n ):
x = int (input ())
if x % 2 == 0 :
print ("true" )
else :
print ("false" )
o ,x ,n = input ().split ()
x = int (x )
print (int (eval (n [:x ]+ o + n [x :])))
v_1 , v_2 = [int (i ) for i in input ().split ()]
speed = (2 * v_1 * v_2 )/ (v_1 + v_2 )
print (int (speed ))
n = int (input ())
x = 0
for i in range (n ):
x += i + 1
print (x )
n = int (input ())
print ((n * (n + 1 ))/ 2 )
n = int (input ())
m = int (input ())
print (min ([n ,m ]))
Greatest Common Denominator
from fractions import gcd
a , b = [int (i ) for i in input ().split ()]
print (gcd (a ,b ))
color_hexa = input ()
string = ""
for i in color_hexa [1 :]:
if i == "0" :string += "F"
if i == "1" :string += "E"
if i == "2" :string += "D"
if i == "3" :string += "C"
if i == "4" :string += "B"
if i == "5" :string += "A"
if i == "6" :string += "9"
if i == "7" :string += "8"
if i == "8" :string += "7"
if i == "9" :string += "6"
if i == "A" :string += "5"
if i == "B" :string += "4"
if i == "C" :string += "3"
if i == "D" :string += "2"
if i == "E" :string += "1"
if i == "F" :string += "0"
print ("#" + string )
p ,d = "" ,1
for i in input ():
if i .upper ()== p .upper ():d = 0 ;break
else :p = i
print (("true" ,"false" )[d ])
x_1 , y_1 = [int (i ) for i in input ().split ()]
x_2 , y_2 = [int (i ) for i in input ().split ()]
one = (x_1 + x_2 )/ 2
two = (y_1 + y_2 )/ 2
if str (one )[- 2 :] == ".0" :
one = str (one )[:- 2 ]
if str (two )[- 2 :] == ".0" :
two = str (two )[:- 2 ]
print (str (one ) + " " + str (two ))
input ();print (sum ([int (i )** 2 for i in input ().split ()]))
import math
start = int (input ())
end = int (input ())
amount = int (input ()) - 1
if amount == - 1 and start == 0 and end == 0 :
print ("NONE" )
else :
difference = end - start
step = difference / amount
c = []
for i in range (amount + 1 ):
if start + i * step < 0 :
c .append (str (math .ceil (start + i * step )))
else :
c .append (str (math .floor (start + i * step )))
print (" " .join (c ))
import math
a = input ().split ()
start = int (a [0 ])
end = int (a [1 ])
amount = int (a [2 ]) - 1
if amount == - 1 and start == 0 and end == 0 :
print ("NONE" )
else :
difference = end - start
step = difference / amount
c = []
for i in range (amount + 1 ):
if start + i * step < 0 :
c .append (str (math .ceil (start + i * step )))
else :
c .append (str (math .floor (start + i * step )))
print (" " .join (c ))
import math
s ,e ,a = [int (i ) for i in input ().split ()]
a -= 1
if a == - 1 :print ("NONE" )
else :
t ,c = (e - s )/ a ,[]
for i in range (a + 1 ):
if s + i * t < 0 :c .append (str (math .ceil (s + i * t )))
else :c .append (str (math .floor (s + i * t )))
print (" " .join (c ))
import math ;s ,e ,a = [int (i ) for i in input ().split ()];a -= 1
if a == - 1 :print ("NONE" )
else :
t ,c = (e - s )/ a ,[]
for i in range (a + 1 ):c .append (str (math .ceil (s + i * t ))) if s + i * t < 0 else c .append (str (math .floor (s + i * t )))
print (" " .join (c ))
n = int (input ())
print (int (n * (n + 1 )/ 2 ))
def fib (n ):
a ,b = 1 ,1
for i in range (n - 1 ):
a ,b = b ,a + b
return a
a = ["0" ]
for i in range (int (input ())):
a .append (str (fib (i + 1 )))
a .pop ()
print (" " .join (a ))
n = int (input ())
d = []
for i in range (n ):
d .append (int (input ()))
print (" " .join ([str (i ) for i in sorted (d ,reverse = True )]))
n = input ()
n = [int (i ) for i in input ().split ()]
print (" " .join ([str (i ) for i in sorted (n )]))
x_1 , y_1 = [int (i ) for i in input ().split ()]
x_2 , y_2 = [int (i ) for i in input ().split ()]
x = (x_1 + x_2 )/ 2
y = (y_1 + y_2 )/ 2
if str (x )[- 2 :]== ".0" :
x = int (x )
if str (y )[- 2 :]== ".0" :
y = int (y )
print (x , y )
a ,b = input ().split (),input ().split ()
print ('%g' % ((int (a [0 ])+ int (b [0 ]))/ 2 ),'%g' % ((int (a [1 ])+ int (b [1 ]))/ 2 ))
n = int (input ())
print ((n * 10 )** 2 )
import math
n = int (input ())
print (math .factorial (n ))
Concatenate Sum and Difference)
a ,b = [int (i ) for i in input ().split ()]
print (str (a - b )+ str (a + b ))
m = input ()
if "o" in m or "O" in m :
print ("true" )
else :
print ("false" )
Reversing Individual Words
b = ""
for i in input ().split ():b += i [::- 1 ]+ " "
print (b [:- 1 ])
s1 , s2 = input ().split (" " )
if sorted (s1 ) == sorted (s2 ): print ("Anagram" )
else : print ("Not Anagram" )
s ,m = input ().split (),sorted
print ((0 ,1 )[m (s [0 ])== m (s [1 ])])
x = "" .join (input ().split (" " ))
step = int (input ())
blarg = [x [i :i + step ] for i in range (0 , len (x ), step )]
for i in blarg :
print (i )
x ,s = "" .join (input ().split ()),int (input ())
for i in [x [i :i + s ] for i in range (0 ,len (x ),s )]:print (i )
string = "abcdefghijklmnopqrstuvwxyz"
word = list (input ())
s = ""
for i in word :
pos = string .index (i )
pos2 = string [25 - pos ]
s += pos2
print (s )
f ,w ,s = "abcdefghijklmnopqrstuvwxyz" ,list (input ()),""
for i in w :s += f [25 - f .index (i )]
print (s )
s = input ().replace (" " ,"" )
f = {v :0 for v in s }
for c in s :f [c ]+= 1
print (max (f .values ()))
import collections
s = "" .join (input ().split ())
print (collections .Counter (s ).most_common (1 )[0 ][1 ])
import collections as c ;print (c .Counter ("" .join (input ().split ())).most_common ()[0 ][1 ])
n = input ()
characters = input ()
character = characters .split (" " )
a = []
for i in character :
a .append (chr (int (i )))
print ("" .join (a ))
string = ""
char_count = int (input ())
inputs = input ().split ()
for i in range (char_count ):
char_code = int (inputs [i ])
string += chr (char_code )
print (string )
n = input ()
if len (n )% 3 == 0 :print ('' .join (map (chr ,[int (y ) for y in list (map ('' .join , zip (* [iter (n )]* 3 )))])))
else :print ("ERROR" )
line = input ()
if len (line )% 3 == 0 :
n = 3
c = ""
for i in [line [i :i + n ] for i in range (0 , len (line ), n )]:
c += chr (int (i ))
print (c )
else :
print ("ERROR" )
f ,s = input ().split ()
d = 0
for i in range (len (f )):
if f [i ]!= s [i ]:d += 1
print (d )
n = input ()
o = {'A' :'4' ,'B' :'8' ,'C' :'(' ,'D' :'|)' ,'E' :'3' ,'F' :'|=' ,'G' :'6' ,'H' :'|-|' ,'I' :'!' ,'J' :'_|' ,'K' :'|<' ,'L' :'1' ,'M' :'/\\ /\\ ' ,'N' :'|\|' ,'O' :'0' ,'P' :'|>' ,'Q' :'9' ,'R' :'/2' ,'S' :'5' ,'T' :'7' ,'U' :'|_|' ,'V' :'\/' ,'W' :'\/\/' ,'X' :'}{' ,'Y' :'\' /' ,'Z' :'2' }
string = ""
for i in n :
if i .upper () in o :
string += o [i .upper ()]
else :
string += i
print (string )
u = {'A' :'4' ,'B' :'8' ,'C' :'(' ,'D' :'|)' ,'E' :'3' ,'F' :'|=' ,'G' :'6' ,'H' :'|-|' ,'I' :'!' ,'J' :'_|' ,'K' :'|<' ,'L' :'1' ,'M' :'/\\ /\\ ' ,'N' :'|\|' ,'O' :'0' ,'P' :'|>' ,'Q' :'9' ,'R' :'/2' ,'S' :'5' ,'T' :'7' ,'U' :'|_|' ,'V' :'\/' ,'W' :'\/\/' ,'X' :'}{' ,'Y' :'\' /' ,'Z' :'2' }
b = ""
for c in input ():
if c .upper () in u :b += (u [c .upper ()])
else :b += c
print (b )
l = "OLZEASGTBQ"
m = ""
for i in input ():
if i .upper () in l :m += str (l .index (i .upper ()))
else :m += i
print (m )
s ,u ,b = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" ,['4' ,'8' ,'(' ,'|)' ,'3' ,'|=' ,'6' ,'|-|' ,'!' ,'_|' ,'|<' ,'1' ,'/\\ /\\ ' ,'|\|' ,'0' ,'|>' ,'9' ,'/2' ,'5' ,'7' ,'|_|' ,'\/' ,'\/\/' ,'}{' ,'\' /' ,'2' ],""
for c in input ():
if c .upper () in s :b += u [s .index (c .upper ())]
else :b += c
print (b )
s ,u ,b = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" ,"4¬8¬(¬|)¬3¬|=¬6¬|-|¬!¬_|¬|<¬1¬/\\ /\\ ¬|\|¬0¬|>¬9¬/2¬5¬7¬|_|¬\/¬\/\/¬}{¬\' /¬2" .split ("¬" ),""
for c in input ():
c = c .upper ()
if c in s :b += u [s .index (c )]
else :b += c
print (b )
past = ""
n = 0
for word in input ().split (" " ):
for letter in word :
if letter != " " :
if letter .lower () == past .lower ():
n += 1
break
past = letter
past = ""
print (n )
n = 0
past = ""
word = input ()
for letter in word :
if letter != " " :
if letter .lower () == past .lower ():
n += 1
break
past = letter
past = ""
if n > 0 :
print ("true" )
else :
print ("false" )
n ,p ,w = 0 ,"" ,input ()
for l in w :
l = l .lower ()
if l == p :n = 1
p = l
print (("false" ,"true" )[n ])
a = "ABCDEFGHIJKLMNOPQRSTUVWYXZ"
n = input ()
string = ""
for i in n :
if i in a :
string += i
print (string )
x = ""
for i in input ():
if i in "ABCDEFGHIJKLMNOPQRSTUVWXYZ" :
x += i
print (x )
s ,u = input (),""
print ("" .join (list (i for i in s if i == i .upper ())))
x = 0
for i in input ():
if i .upper () in "ABCDEFGHIJKLMNOPQRSTUVWXYZ" :
x += 1
print (x )
for i in range (int (input ())):
n = input ()
print (("false" ,"true" )[n == n [::- 1 ]])
for i in "1" * int (input ()):n = input ();print (str (n == n [::- 1 ]).lower ())
print (("false" ,"true" )[not set ('abcdefghijklmnopqrstuvwxyz' )- set (input ().lower ())])
string = "zyxwvutsrqponmlkjihgfedcba"
string2 = "abcdefghijklmnopqrstuvwxyz"
a = ""
for i in input ():
a += string [string2 .index (i )]
print (a )
x = []
n = int (input ())
for i in range (n ):
x .append (int (input ()))
def f7 (seq ):
seen = set ()
seen_add = seen .add
return [ x for x in seq if not (x in seen or seen_add (x ))]
b = f7 (x )
for i in b :
print (i )
x = []
for i in range (int (input ())):x .append (int (input ()))
s ,a = set (),seen .add
for i in [x for x in b if not (x in s or a (x ))]:print (i )
from itertools import starmap , cycle
i ,o = input ,ord
def d (c ,k ):return (chr (((o (c )- o (k ))% 26 )+ o ('a' ))," " )[c == " " ]
print ("" .join (starmap (d ,zip (i (),cycle (i ())))))
from itertools import starmap , cycle
def decrypt (character , key ):
if character == " " :
return " "
else :
return chr ((( ord (character ) - ord (key )) % 26 ) + ord ('a' ) )
decrypted = starmap ( decrypt , zip ( input (), cycle (input ()) ))
print ( "" .join (decrypted ) )
n = int (input ())
a = []
for i in range (n ):
if i % 2 == 0 :
print (input ())
else :
a .append (input ())
for i in a :
print (i )
print ('' .join (c .lower () if c .isupper () else c .upper () for c in input ()))
print (input ().swapcase ())
import collections
n = int (input ())
d = collections .deque (list (input ()))
d .rotate (- n )
b = []
for i in d :
b .append (i )
print ("" .join (b ))
import collections ;n = int (input ());d = collections .deque (list (input ()));d .rotate (- n );print ("" .join (d ))
print (" " .join (input ().split ()[::- 1 ]))
a = []
for i in input ().split ():
a .append (i [::- 1 ])
print (" " .join (a ))
s = input ().split ()
a = []
for i in range (len (s )):
a .append (s [len (s )- i - 1 ])
print (" " .join (a ))
s = input ()
print ('' .join ([ s [x :x + 2 ][::- 1 ] for x in range (0 , len (s ), 2 ) ]))
s = input ();print ('' .join ([s [x :x + 2 ][::- 1 ] for x in range (0 ,len (s ),2 )]))
addicted