1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Mariana [72]
3 years ago
11

1. Scrieţi un program care citeşte un număr natural n şi determină produsul cifrelor impare ale lui n. De exemplu, pentru n = 23

453, produsul este 45.
2.Scrieţi un algoritm care citeşte un număr natural n apoi n numere întregi. Să se determine câte din cele n numere întregi sunt strict pozitive şi divizibile cu 7. De exemplu, pentru n = 7 şi numerele -28, 21, 77, 15, -1, 42, -7 se va afişa 3 (acestea sunt 21, 77, 42).

3.Scrieţi un algoritm care citeşte un număr natural n şi calculează suma:
S = 1/(1*2) + 1/(2*3) + 1/(3*4) + … + 1/((n-1)*n)

4. Se citeşte un număr natural n. Să se calculeze suma divizorilor proprii ai lui n. De exemplu, pentru n=12, suma divizorilor proprii este 2+3+4+6=15

5. Se citeşte un număr natural n şi apoi n numere întregi. Să se calculeze şi să se afişeze suma numerelor naturale cuprinse între 10 şi 100. De exemplu, dacă n=5 şi apoi se citesc 30, –2, 14, 200, 122, atunci suma va fi 44 (adică 30 + 14).

6. Se citeşte un număr natural n de maximum 4 cifre. Câte cifre sunt în toate numerele de la 1 la n? De exemplu, pentru n=14 există 19 cifre, iar pentru n=9 sunt 9 cifre.

7. Se citesc numerele naturale n şi S, unde n poate fi 2, 3, 4 sau 5. Să se afişeze toate numerele de n cifre care au cifrele în ordine strict crescătoare, iar suma cifrelor este S. De exemplu, pentru n=2 şi S=10, se vor afişa 19, 28, 37, 46.

8. Se consideră şirul 1, 1, 2, 3, 5, 8, 13, ... în care primii doi termeni sunt 1, iar orice alt termen este obţinut din suma precedenţilor doi. Scrieţi un algoritm care citeşte un număr natural n şi afişează primii n termeni ai acestui şir. De exemplu, pentru n = 6, se vor afişa: 1, 1, 2, 3, 5, 8.

9. Să se scrie un algoritm care citeşte două numere naturale n1 şi n2 şi care afişează mesajul „da” dacă suma pătratelor cifrelor lui n1 este egală cu suma cifrelor lui n2 sau „nu” în caz contrar. De exemplu, pentru n1=232 şi n2=881 se va afişa „da”, iar pentru n1=45 şi n2=12 se va afişa „nu”.

10. Să se scrie un algoritm care citeşte un număr natural n şi afişează mesajul „da” dacă toate cifrele lui n sunt distincte, sau „nu” dacă n nu are toate cifrele distincte. De exemplu, pentru n=37645 se va afişa „da”, iar pentru 23414 se va afişa „nu”.
Computers and Technology
1 answer:
saveliy_v [14]3 years ago
3 0

Answer:

1.  

num1 = input("Enter the value of n")  

n = int(num1)  

def calc(n):  

Lst = []  

while n > 0:  

remainder = n % 10  

Lst.append(remainder)  

quotient = int(n / 10)  

n = quotient  

i = len(Lst) - 1  

sum = 1  

for i in range(0, len(Lst)):  

if(i % 2 != 0):  

sum *=Lst[i];  

else:  

continue  

print(sum)  

return(0)  

\ r2

num=input("Enter the value of n")

arr=[12,-12,13,15,-34,-35,35,42]

def div7positive():

  sum = 0

  m = 0

  i = 0

  while m <= 7:

      if(arr[i]>=0 and arr[i]%7 == 0):

          sum +=arr[i]

      i = i + 1

      m += 1

       

   

  print("sum of number divisible by 7 and positive is", +sum);

div7positive()

\ r

\ r3.Write an algorithm that reads a natural number n and calculates the sum:

\ rS = 1 / (1 * 2) + 1 / (2 * 3) + 1 / (3 * 4) +… + 1 / ((n-1) * n)

\ r

num=input("Enter the value of n")

def sumseries():

  sum = 0

  m= 0

  while m <= 7:

      sum +=1/((int(num)-1)*int(num))

      m += 1

  print("sum of series is", +sum)

sumseries()

\ R4. Read a natural number n. Calculate the sum of its own divisors n. For example, for n = 12, the sum of its own divisors is 2 + 3 + 4 + 6 = 15

num=input("Enter the value of n")

def sumdivisors():

  sum = 0

  m= 2

  while m <= int(num):

      if int(num) % m == 0:

          sum += m

      m += 1

  print("sum of divisors is", +sum)

sumdivisors()\ r

\ R5. We read a natural number n and then whole numbers. Calculate and display the sum of the natural numbers between 10 and 100. For example, if n = 5 and then read 30, –2, 14, 200, 122, then the sum will be 44 (that is, 30 + 14).

\ r

Lst = []  

num=input("Enter the value of n")

i = 0

while i<= int(num):

  num1=input("Enter the element of array")

  Lst.append(int(num1));

  i += 1

def numbet0and100():

  sum = 0

  m= 0

  while m <= int(num):

      if Lst[m] <= 100 or Lst[m] >=0:

          sum += Lst[m]

      m += 1

  print("sum of numbers between 0 and 100 is", +sum)

numbet0and100()

\ R6. A natural number n of maximum 4 digits is read. How many digits are in all numbers from 1 to n? For example, for n = 14 there are 19 digits, and for n = 9 there are 9 digits.

\ r

num = input("Enter the value of n")

n = int(num)

print(“sum as required is:” (n -9) + n)  

 

\ R7. Read the natural numbers n and S, where n can be 2, 3, 4 or 5. Show all the numbers of n digits that have the numbers in strictly ascending order, and the sum of the digits is S. For example, for n = 2 and S = 10, 19, 28, 37, 46 will be displayed.

num = input("Enter the value of n")

n = int(num)

Lst = []

def calc(n):

  i = 1

  total = pow(10,n)

  while i <= total:

      j = i

      while j > 0:

          remainder = j % 10  

          Lst.append(remainder)

          quotient = int(j / 10)

          if quotient > 0:

              j = quotient

          else:

              length = len(Lst) - 1

              sum = 0

              while length >= 0:

                  sum += Lst[length]

                  length = length - 1

              if sum == pow(10,n):

                  print(j)

              k = len(Lst)

              del Lst[0:k]

      i = i + 1

  return(0)

calc(n)

\ r

\ R8. We consider the row 1, 1, 2, 3, 5, 8, 13, ... in which the first two terms are 1, and any other term is obtained from the sum of the preceding two. Write an algorithm that reads a natural number n and displays the first n terms of this string. For example, for n = 6, 1, 1, 2, 3, 5, 8 will be displayed.

\ r

nterm = int(input("What number of terms do you want?"))

a, b = 0, 1

totalcount = 0

if nterm <= 0:

 print("Please input a positive number")

elif nterm == 1:

 print("Fibonacci number upto which",nterm,":")

 print(a)

else:

 print("Fibonacci series:")

 print(nterm)

 while totalcount < nterm:

     print(a)

     nth = a + b

     a = b

     b = nth

     totalcount += 1

 

\ 9. Write an algorithm that reads two natural numbers n1 and n2 and displays the message "yes" if the sum of the squares of the digits of n1 is equal to the sum of the numbers of n2 or "no" otherwise. For example, for n1 = 232 and n2 = 881, "yes" will be displayed, and for n1 = 45 and n2 = 12, "no" will be displayed.

num1 = input("Enter the value of n")

num3 = input("Enter the value of n")

n = int(num1)

num2 = int(num3)

def calc(n):

  Lst = []

  while n > 0:

      remainder = n % 10  

      Lst.append(remainder)

      quotient = int(n / 10)

      n = quotient

       

  i = len(Lst) - 1

  sum = 0

  while i >= 0:

      sum += Lst[i]* Lst[i]

      i = i - 1

  return(sum)

def calc1(num2):

  Lst = []

  while num2 > 0:

      remainder = num2 % 10  

      Lst.append(remainder)

      quotient = int(num2 / 10)

      num2 = quotient

       

  i = len(Lst) - 1

  sum = 0

  while i >= 0:

      sum = Lst[i] + Lst[i]

      i = i - 1

  return(sum)

a = calc(n)

b = calc1(num2)

if a == b:

  print("yes")

else:

  print("No")

\ r

\ R10. Write an algorithm that reads a natural number n and displays the message "yes" if all of its n numbers are distinct, or "no" if n does not have all the distinct digits. For example, for n = 37645 it will display "yes" and for 23414 it will show "no".

\ r

num1 = input("Enter the value of n")

n = int(num1)

def calc(n):

  Lst = []

  while n > 0:

      remainder = n % 10  

      Lst.append(remainder)

      print( remainder)

      quotient = int(n / 10)

      n = quotient

       

  flag = 1

  for i in range(0, len(Lst)):

      for j in range(i+1, len(Lst)):    

          if Lst[i] == Lst[j]:    

              flag = 0

              break

           

  if flag == 1:

      print("YES")

  else:

      print("NO")

  return(0)

Explanation:

Please check answer.  

You might be interested in
Describe how computer are used in ticket counter?​
m_a_m_a [10]

Answer:

These systems are commonly used in facilities such as public libraries to ensure equitable use of limited numbers of computers. Bookings may be done over the internet or within the library itself using a separate computer set up as a booking terminal.

6 0
3 years ago
When you tap or click the ____ button for a selected graphic, Word provides options for changing how a graphic is positioned wit
Snowcat [4.5K]
<span>You have to click on "layout options" to enable you to change the positioning of a graphic within a Word document. You will be able to change how the graphic wraps around text, is scaled to the page/document and if it should have borders etc around it.Hope this helps. Let me know if you need additional help!</span>
5 0
3 years ago
Which characteristics describe the WMV video file format? Choose all that apply.
Lelechka [254]

Answer:

the answer is A, B, C hope this helps.

8 0
2 years ago
Which studio produced the film The Jazz Singer, the first of many “talkies”?
olga nikolaevna [1]
Warner Brother produced the Jazz Singer. 
8 0
3 years ago
Necesito cuatro aspectos de cómo a impactado el Internet en la sociedad y educación moderna
Likurg_2 [28]

Answer:

bancho chup kar re

Explanation:

ma chuda!!

5 0
3 years ago
Other questions:
  • The memory allocated for a float value is ____ bytes.
    9·1 answer
  • Which of the following is NOT an option in the comments group
    12·1 answer
  • An unwanted program that can spread itself to other computers is called what?
    15·2 answers
  • Karen thinks she should go out with Blane, an unattractive, social misfit, because “If I don’t go out with him, people will thin
    7·1 answer
  • Which precaution should be taken when working inside computer systems??
    9·1 answer
  • Despite the rise of messaging apps and other forms of social media, these efforts are focused on consumer efforts, with corporat
    7·1 answer
  • One condition for deadlocks is the circular-wait condition. One way to ensure that this condition never holds is to impose a tot
    12·2 answers
  • Which function in Excel tells how many
    6·1 answer
  • Write a method called removeHighPrice that will go through a provided ArrayList called prices and removes the first price that i
    6·1 answer
  • which program monitors the computer by looking for known trouble makers as well as suspicious behavior​
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!