def readInt1D():
"""
Read from sys.stdin and return an array of integers. An integer at
the beginning of sys.stdin defines the array's length.
"""
count = stdio.readInt()
a = create1D(count, None)
for i in range(count):
a[i] = stdio.readInt()
return a
def readInt1D():
"""
Read from sys.stdin and return an array of integers. An integer at
the beginning of sys.stdin defines the array's length.
"""
count = stdio.readInt()
a = create1D(count, None)
for i in range(count):
a[i] = stdio.readInt()
return a
def main():
w = stdio.readInt()
h = stdio.readInt()
tour = Tour()
while not stdio.isEmpty():
x = stdio.readFloat()
y = stdio.readFloat()
p = Point(x, y)
tour.insertSmallest(p)
tour.show()
stdio.writef('Tour distance = %f\n', tour.distance())
stdio.writef('Number of points = %d\n', tour.size())
def read():
w = stdio.readInt()
h = stdio.readInt()
p = Picture(w, h)
for col in range(w):
for raw in range(h):
r = stdio.readInt()
g = stdio.readInt()
b = stdio.readInt()
c = Color(r, g, b)
p.set(col, raw, c)
return p
def main():
w = stdio.readInt()
h = stdio.readInt()
stddraw.setCanvasSize(w, h)
stddraw.setXscale(0, w)
stddraw.setYscale(0, h)
stddraw.setPenRadius(.005)
while not stdio.isEmpty():
x = stdio.readFloat()
y = stdio.readFloat()
p = Point(x, y)
p.draw()
stddraw.show()
def readBool2D():
"""
Read from sys.stdin and return a two-dimensional array of booleans.
Two integers at the beginning of sys.stdin define the array's
dimensions.
"""
rowCount = stdio.readInt()
colCount = stdio.readInt()
a = create2D(rowCount, colCount, False)
for row in range(rowCount):
for col in range(colCount):
a[row][col] = stdio.readBool()
return a
def readInt2D():
"""
Read from sys.stdin and return a two-dimensional array of integers.
Two integers at the beginning of sys.stdin define the array's
dimensions.
"""
rowCount = stdio.readInt()
colCount = stdio.readInt()
a = create2D(rowCount, colCount, 0)
for row in range(rowCount):
for col in range(colCount):
a[row][col] = stdio.readInt()
return a
def playTune2():
notes = []
#while not stdio.isEmpty():
pitch = stdio.readInt()
duration = stdio.readFloat()
hz = 440 * math.pow(2, pitch / 12.0)
playNote(hz, 1)
def main():
#button = Tkinter.Button(root, text='Play Tune', command=playTune2)
#button.pack()
#root.mainloop()
#stdio.writeln('Playing')
#playFile('woman.wav')
stdio.writeln('Creating')
sps = SAMPLE_RATE
while not stdio.isEmpty():
pitch = stdio.readInt()
duration = stdio.readFloat()
hz = 440 * math.pow(2, pitch / 12.0)
N = int(sps * duration)
notes = []
for i in range(N + 1):
notes.append(math.sin(2 * math.pi * i * hz / sps))
stdio.writeln('Playing')
playNotes(notes)
root.mainloop()
def playTune2():
notes = []
#while not stdio.isEmpty():
pitch = stdio.readInt()
duration = stdio.readFloat()
hz = 440 * math.pow(2, pitch / 12.0)
playNote(hz, 1)
def main():
#button = Tkinter.Button(root, text='Play Tune', command=playTune2)
#button.pack()
#root.mainloop()
#stdio.writeln('Playing')
#playFile('woman.wav')
stdio.writeln('Creating')
sps = SAMPLE_RATE
while not stdio.isEmpty():
pitch = stdio.readInt()
duration = stdio.readFloat()
hz = 440 * math.pow(2, pitch / 12.0)
N = int(sps * duration)
notes = []
for i in range(N+1):
notes.append(math.sin(2*math.pi * i * hz / sps))
stdio.writeln('Playing')
playNotes(notes)
root.mainloop()
def main():
w = stdio.readInt()
h = stdio.readInt()
stddraw.setCanvasSize(w, h)
stddraw.setXscale(0, w)
stddraw.setYscale(0, h)
stddraw.setPenRadius(.005)
tour = Tour()
while not stdio.isEmpty():
x = stdio.readFloat()
y = stdio.readFloat()
p = Point(x, y)
tour.insertSmallest(p)
stdio.writef('Tour distance = %f\n', tour.distance())
stdio.writef('Number of points = %d\n', tour.size())
tour.draw()
stddraw.show()
def playTune():
sps = SAMPLE_RATE
while not stdio.isEmpty():
pitch = stdio.readInt()
duration = stdio.readFloat()
hz = 440 * math.pow(2, pitch / 12.0)
N = int(sps * duration)
notes = []
for i in range(N + 1):
notes.append(math.sin(2 * math.pi * i * hz / sps))
#stdio.writeln('Playing')
playNotes(notes)
def playTune():
sps = SAMPLE_RATE
while not stdio.isEmpty():
pitch = stdio.readInt()
duration = stdio.readFloat()
hz = 440 * math.pow(2, pitch / 12.0)
N = int(sps * duration)
notes = []
for i in range(N+1):
notes.append(math.sin(2*math.pi * i * hz / sps))
#stdio.writeln('Playing')
playNotes(notes)
def __init__(self):
self._N = stdio.readInt() # Number of bodies
self._radius = stdio.readFloat() # Radius of universe
# the set scale for drawing on screen
stddraw.setXscale(-self._radius, +self._radius)
stddraw.setYscale(-self._radius, +self._radius)
# read in the _N bodies
self.orbs = [] # Array of bodies
for i in range(self._N):
rx = stdio.readFloat()
ry = stdio.readFloat()
vx = stdio.readFloat()
vy = stdio.readFloat()
mass = stdio.readFloat()
position = [ rx, ry ]
velocity = [ vx, vy ]
r = vector.Vector(position)
v = vector.Vector(velocity)
self.orbs += [body.Body(r, v, mass)]
def __init__(self):
self._N = stdio.readInt() # Number of bodies
self._radius = stdio.readFloat() # Radius of universe
# the set scale for drawing on screen
stddraw.setXscale(-self._radius, +self._radius)
stddraw.setYscale(-self._radius, +self._radius)
# read in the _N bodies
self.orbs = [] # Array of bodies
for i in range(self._N):
rx = stdio.readFloat()
ry = stdio.readFloat()
vx = stdio.readFloat()
vy = stdio.readFloat()
mass = stdio.readFloat()
position = [rx, ry]
velocity = [vx, vy]
r = vector.Vector(position)
v = vector.Vector(velocity)
self.orbs += [body.Body(r, v, mass)]
# randomsurfer.py
#-----------------------------------------------------------------------
import stdio
import stdarray
import sys
import random
# Accept an integer moves as a command-line argument. Read a
# transition matrix from standard input. Perform moves moves as
# prescribed by the transition matrix, and write to standard output
# the relative frequency of hitting each page.
moves = int(sys.argv[1])
n = stdio.readInt()
stdio.readInt() # Discard the second int of standard input.
# Read the transition matrix from standard input.
# p[i][j] is the probability that the surfer moves from
# page i to page j.
p = stdarray.create2D(n, n, 0.0)
for i in range(n):
for j in range(n):
p[i][j] = stdio.readFloat()
# Perform the simulation, thus computing the hits array.
# hits[i] is the number of times the surfer hits page i.
hits = stdarray.create1D(n, 0)
step = stdarray.create1D(n, 0)
now = stdarray.create1D(n, 0)
"""Create a filter that reads in a sequence of integers and writes the integers,
removing repeated values that appear consecutively"""
import sys
import stdarray
import stdio
import random
import math
a = []
b = []
while not stdio.isEmpty():
value = stdio.readInt()
a += [value]
for i in range(len(a)):
if a[i] != a[i-1]:
b += [a[i]]
stdio.writeln(b)
import numpy as np
import picture as p
# newtons law of universal gravitation
# F = G*((m1*m2)/r**2))
# Kommandozeilenparameter
time = float(sys.argv[1])
delta_t = float(sys.argv[2])
g = 6.67e-11
bodies = []
current_time = 0
# Variablen vom Standardinput
num_bodies = stdio.readInt()
radius_univ = stdio.readFloat()
# Canvas vorbereiten
stddraw.setXscale(-radius_univ, radius_univ)
stddraw.setYscale(-radius_univ, radius_univ)
stddraw.setCanvasSize(1200, 1000)
stddraw.clear(stddraw.BLACK)
def force(mass_a, mass_b, position_a, position_b, g):
delta = position_b - position_a
# euklidische Distanz
r = math.sqrt(delta[0]**2 + delta[1]**2)
f = (g * mass_a * mass_b) / r**2
force = f * (delta / r)
# ----------------
# 1 30.1
# 2 17.6
# 3 12.5
# 4 9.7
# 5 7.9
# 6 6.7
# 7 5.8
# 8 5.1
# 9 4.6
counts = stdarray.create1D(10, 0) # frequency of leading digit i
n = 0 # number of items read in
while not stdio.isEmpty():
x = stdio.readInt() # read in next integer
digit = leadingDigit(x) # compute leading digit
counts[digit] += 1 # update frequency
n += 1
# Write the frequency distribution.
for i in range(1, len(counts)):
stdio.writef("%d: %6.1f%%\n", i, 100.0 * float(counts[i]) / float(n))
#-----------------------------------------------------------------------
# python benford.py < princeton-files.txt
# 1: 30.8%
# 2: 19.3%
# 3: 13.0%
# 4: 9.9%
import math
import stdio # this is new!
import stdaudio
SPS = 44100
CONCERT_A = 440.0
NOTES_ON_SCALE = 12.0
while not stdio.isEmpty():
pitch = stdio.readInt()
duration = stdio.readFloat()
hz = CONCERT_A * (2.0**(pitch / NOTES_ON_SCALE))
n = int(SPS * duration)
note = [0.0] * (n + 1)
for i in range(n + 1):
note[i] = math.sin(2.0 * math.pi * i * hz / SPS)
stdaudio.playSamples(note)
stdaudio.wait()
import stdio
stdio.write("Input a year: ")
year = stdio.readInt()
stdio.write("Input a month [1-12]: ")
month = stdio.readInt()
month_length = 30
if month in (1, 3, 5, 7, 8, 10, 12):
month_length = 31
elif month == 2:
if ((year % 4 == 0 and year != 100 == 0) or year % 400 == 0):
month_length = 29
else:
month_length = 28
else:
month_length = 30
stdio.write("Input a day [1-31]: ")
day = stdio.readInt()
if day < month_length:
day += 1
else:
day = 1
if month == 12:
month = 1
year += 1
else:
month += 1
def readSynapse(self, neuron):
totalInputs = stdio.readInt('Total de entradas: ', 'x >= 1')
neuron.synapse.setTotalInputs(totalInputs)
import stddraw
import stdio
import stdarray
from charge import Charge
from color import Color
from picture import Picture
# Read values from standard input to create an array of charged
# particles. Set each pixel color in an image to a grayscale value
# proportional to the total of the potentials due to the particles at
# corresponding points. Draw the resulting image to standard draw.
MAX_GRAY_SCALE = 255
# Read charges from standard input into an array.
n = stdio.readInt()
charges = stdarray.create1D(n)
for i in range(n):
x0 = stdio.readFloat()
y0 = stdio.readFloat()
q0 = stdio.readFloat()
charges[i] = Charge(x0, y0, q0)
# Create a Picture depicting potential values.
pic = Picture()
for col in range(pic.width()):
for row in range(pic.height()):
# Compute pixel color.
x = 1.0 * col / pic.width()
y = 1.0 * row / pic.height()
v = 0.0
#-----------------------------------------------------------------------
# randomsurferhistogram.py
#-----------------------------------------------------------------------
import stdio
import stdarray
import stddraw
import sys
import random
t = int(sys.argv[1]) # number of moves
n = stdio.readInt() # number of pages
stdio.readInt() # ignore integer required by input format
# Read transition matrix.
# p[i][j] = prob. that surfer moves from page i to page j
p = stdarray.create2D(n, n, 0.0)
for i in range(n):
for j in range(n):
p[i][j] = stdio.readFloat()
# freq[i] = # times surfer hits page i
freq = stdarray.create1D(n, 0)
# Start at page 0.
page = 0
stddraw.createWindow()
stddraw.setXscale(-1, n)
stddraw.setYscale(0, t)
#stddraw.setPenRadius(.5/float(n))
stddraw.setPenRadius()
import stdio
stdio.writeln('nhap so = ')
so_input = stdio.readInt()
sodao = 0
tam = so_input
while tam > 0:
sodao = sodao * 10 + tam % 10
tam = tam // 10
if so_input == sodao:
stdio.writeln('%d la do doi xung' % so_input)
else:
stdio.writeln('%d khong phai la so doi xung' % so_input)
# randomsurfer.py
#-----------------------------------------------------------------------
import stdio
import stdarray
import sys
import random
# Accept an integer moves as a command-line argument. Read a
# transition matrix from standard input. Perform moves moves as
# prescribed by the transition matrix, and write to standard output
# the relative frequency of hitting each page.
moves = int(sys.argv[1])
n = stdio.readInt()
stdio.readInt() # Discard the second int of standard input.
# Read the transition matrix from standard input.
# p[i][j] is the probability that the surfer moves from
# page i to page j.
p = stdarray.create2D(n, n, 0.0)
for i in range(n):
for j in range(n):
p[i][j] = stdio.readFloat()
# Perform the simulation, thus computing the hits array.
# hits[i] is the number of times the surfer hits page i.
hits = stdarray.create1D(n, 0)
page = 0 # Start at page 0.
for i in range(moves):
import sys import stdio a = stdio.readInt() b = stdio.readInt() c = stdio.readString() d = stdio.readInt() e = stdio.readInt() print(a,b,c,d,e)
#-----------------------------------------------------------------------
# maxmin.py
#-----------------------------------------------------------------------
import stdio
# Read integers from standard input until end-of-file. Then write
# the maxmimum an minimum of the integers to standard output.
maximum = stdio.readInt()
minimum = maximum
while not stdio.isEmpty():
value = stdio.readInt()
if value > maximum:
maximum = value
if value < minimum:
minimum = value
stdio.writeln('maximum = ' + str(maximum) + \
', minimum = ' + str(minimum))
#-----------------------------------------------------------------------
# python maxmin.py
# 4 6 3 2 8 7 2 3 8 6 8 1
# maximum = 8, minimum = 1
import sys
import stdio
stdio.writeln('Nhap so can kiem tra: ')
n = int(stdio.readInt())
i = 2
if n < 2:
stdio.writeln('%d khong phai la so nguyen to' % n)
elif n == 2:
stdio.writeln('2 la so nguyen to')
else:
for i in range(i, n):
if n % i == 0:
print('%d khong phai la so nguyen to' % n)
break
else:
print('%d la so nguyen to' % n)
No_ = m * n
while True:
no_run = 0
stddraw.clear()
if No_ > 0:
for i in range(n):
for j in range(m):
if no_run < No_:
stddraw.setPenColor(stddraw.RED)
stddraw.filledCircle(i + .5, j + .5, .5)
no_run += 1
stddraw.show(20)
print(section)
if section:
stdio.write("Luot choi cua A[1-3]: ")
k = stdio.readInt()
No_ -= k
section = False
else:
stdio.write("Luot choi cua B[1-3]: ")
k = stdio.readInt()
No_ -= k
section = True
else:
if section:
stdio.writeln("A Thang")
break
else:
stdio.writeln("B Thang")
break
stddraw.show()
#-----------------------------------------------------------------------
# transition.py
#-----------------------------------------------------------------------
import stdio
import stdarray
# Read links from standard input and write the corresponding
# transition matrix to standard output. First, process the input
# to count the outlinks from each page. Then apply the 90-10 rule to
# compute the transition matrix. Assume that there are no pages that
# have no outlinks in the input.
n = stdio.readInt()
counts = stdarray.create2D(n, n, 0)
outDegree = stdarray.create1D(n, 0)
while not stdio.isEmpty():
# Accumulate link counts.
i = stdio.readInt()
j = stdio.readInt()
outDegree[i] += 1
counts[i][j] += 1
stdio.writeln(str(n) + ' ' + str(n))
for i in range(n):
# Print probability distribution for row i.
for j in range(n):
# Print probability for column j.
import stdio
stdio.write('Mời bạn nhập điểm giữa kì: ')
Dgiuaki = stdio.readFloat()
stdio.write('Mới bạn nhập điểm cuối kỳ: ')
Dcuoiki = stdio.readFloat()
stdio.write('Mới bạn nhập số buổi vắng: ')
Solanvang = stdio.readInt()
Dcc = 10 - Solanvang
Dqt = Dcc * 0.3 + Dgiuaki * 0.7
if Solanvang > 3 or Dqt < 4:
stdio.writeln('Cấm thi')
else:
Dtb = Dqt * 0.3 + Dcuoiki * 0.7
stdio.writeln('Điểm trung bình: %s' % Dtb)
if Dtb >= 9:
stdio.writeln('Xuất sắc')
elif Dtb >= 8:
stdio.writeln('Giỏi')
elif Dtb >= 6.5:
stdio.writeln('Khá')
elif Dtb >= 4:
stdio.writeln('Trung bình')
elif Dtb < 4:
stdio.writeln('Kém')
import stdio
import sys
# n=stdio.readInt()
dodainhiphan = stdio.readInt()
a = list(dodainhiphan * "0")
stdio.write(str(dodainhiphan * '0' + " "))
binary = ""
# while b <= dodainhiphan:
for k in range(1, (2**dodainhiphan)):
check = 1
for i in range(len(a) - 1, -1, -1):
if (a[i] == "0"):
a[i] = "1"
check = 0
break
else:
a[i] = '0'
binary = ''.join(a)
# if check == 1:
# binary = "1".join(a)
print(binary, end=" ")
stdio.writeln("")
# alignment.py: Reads from standard input, the output produced by
# edit_distance.py, i.e., input strings x and y, and the opt matrix. The
# program then recovers an optimal alignment from opt, and writes to
# standard output the edit distance between x and y and the alignment itself.
import stdarray
import stdio
# Read x, y, and opt from standard input.
x = stdio.readString()
y = stdio.readString()
stdio.readInt()
stdio.readInt()
# Compute M and N.
M = len(x)
N = len(y)
opt = stdarray.create2D(M + 1, N + 1, 0)
for i in range(M + 1):
for j in range(N + 1):
opt[i][j] = stdio.readInt()
# Write edit distance between x and y.
edit_distance = opt[0][0]
stdio.writef('Edit distance = %d\n', edit_distance)
# Recover and write an optimal alignment.
i = 0
j = 0
while i < M or j < N:
if i == M or j == N:
CONCERT_A_HZ = 440.0
NOTES_ON_SCALE = 12.0
hz = CONCERT_A_HZ * (2.0 ** (pitch / NOTES_ON_SCALE))
a = tone(hz, t)
hi = tone(2*hz, t)
lo = tone(hz/2, t)
h = superpose(hi, lo, .5, .5)
return superpose(a, h, .5, .5)
#-----------------------------------------------------------------------
# Read sound samples from standard input, add harmonics, and play
# the resulting the sound to standard audio.
while not stdio.isEmpty():
pitch = stdio.readInt()
duration = stdio.readFloat()
a = note(pitch, duration)
stdaudio.playArray(a)
stdaudio.wait()
#-----------------------------------------------------------------------
# python playthattunedeluxe.py < ascale.txt
# python playthattunedeluxe.py < elise.txt
# python playthattunedeluxe.py < entertainer.txt
# python playthattunedeluxe.py < firstcut.txt
def __init__(self):
self.lock = Lock()
self.items = stdio.readInt('Total de neuronas: ', 'x >= 1')
self.neurons = {} #[Neuron(letter) for letter in uppercase]
for letter in uppercase[:self.items]:
self.neurons[letter] = Neuron(letter, self.lock)
#-----------------------------------------------------------------------
# transition.py
#-----------------------------------------------------------------------
import stdio
import stdarray
# Read links from standard input and write the corresponding
# transition matrix to standard output. First, process the input
# to count the outlinks from each page. Then apply the 90-10 rule to
# compute the transition matrix. Assume that there are no pages that
# have no outlinks in the input.
n = stdio.readInt()
linkCounts = stdarray.create2D(n, n, 0)
outDegrees = stdarray.create1D(n, 0)
while not stdio.isEmpty():
# Accumulate link counts.
i = stdio.readInt()
j = stdio.readInt()
if not linkCounts[i][j]:
outDegrees[i] += 1
linkCounts[i][j] += 1
print(linkCounts)
stdio.writeln(str(n) + ' ' + str(n))
for i in range(n):
# Print probability distribution for row i.
#-----------------------------------------------------------------------
# rangefilter.py
#-----------------------------------------------------------------------
import stdio
import sys
# Accept integer command-line arguments lo and hi. Read integers from
# standard input until end-of-file. Write to standard output each of
# those integers that is in the range lo to hi, inclusive.
lo = int(sys.argv[1])
hi = int(sys.argv[2])
while not stdio.isEmpty():
# Process one integer.
value = stdio.readInt()
if (value >= lo) and (value <= hi):
stdio.write(str(value) + ' ')
stdio.writeln()
#-----------------------------------------------------------------------
# python rangefilter.py 100 400
# 358 1330 55 165 689 1014 3066 387 575 843 203 48 292 877 65 998
# 358 165 387 203 292
import sys
import stdio
'''stdio library couldn't be imported.
it is added mauallu by saving into another folder.'''
n = int(sys.argv[1])
total = 0
for i in range(n):
total += stdio.readInt()
print('Sum is %d' %total )
'''output:
%puthon addints.py 4
10
20
30
40
Sum is 100. '''
# Generate a random integer. Repeatedly read user guesses from
# standard input. Write 'Too low' or 'Too high' to standard output,
# as appropriate, in response to each guess. Write 'You win!' to
# standard output and exit when the user's guess is correct.
RANGE = 1000000
secret = random.randrange(1, RANGE+1)
stdio.write('I am thinking of a secret number between 1 and ')
stdio.writeln(RANGE)
guess = 0
while guess != secret:
# Solicit one guess and provide one answer.
stdio.write('What is your guess? ')
guess = stdio.readInt()
if (guess < secret):
stdio.writeln('Too low')
elif (guess > secret):
stdio.writeln('Too high')
else:
stdio.writeln('You win!')
#-----------------------------------------------------------------------
# python twentyquestions.py
# I am thinking of a secret number between 1 and 1000000
# What is your guess? 500000
# Too low
# What is your guess? 750000
# Too high
import stdio
N = stdio.readInt()
a = 0
if N >= 2:
for i in range(2, N):
if (N % i == 0):
a = 1
if a != 0:
stdio.writeln('0')
else:
stdio.writeln('1')
# image showing the result of sampling the Mandelbrot set in that
# region at a 512*512 grid of equally spaced pixels. Color each pixel
# with a grayscale value that is determined by counting the number of
# iterations before the Mandelbrot sequence for the corresponding
# complex number grows past 2.0, up to 255.
MAX = 255
n = int(sys.argv[1])
xc = float(sys.argv[2])
yc = float(sys.argv[3])
size = float(sys.argv[4])
mColor = []
for i in range(256):
r = stdio.readInt()
g = stdio.readInt()
b = stdio.readInt()
mColor.append(Color(r, g, b))
pic = Picture(n, n)
for col in range(n):
for row in range(n):
x0 = xc - (size / 2) + (size * col / n)
y0 = yc - (size / 2) + (size * row / n)
z0 = complex(x0, y0)
#gray = MAX - mandel(z0, MAX)
color = mColor[mandel(z0, MAX)]
pic.set(col, n - 1 - row, color)
stddraw.setCanvasSize(n, n)