30 days solutions and pss

30Days/Day-0/Solutions/cshap.cs

@@ -0,0 +1,15 @@
+class Solution {
+    static void Main(String[] args) {
+        // Declare a variable named 'inputString' to hold our input.
+        String inputString; 
+
+        // Read a full line of input from stdin (cin) and save it to our variable, input_string.
+        inputString = Console.ReadLine(); 
+
+        // Print a string literal saying "Hello, World." to stdout using cout.
+        Console.WriteLine("Hello, World.");
+        Console.WriteLine(inputString);
+
+        // TODO: Write a line of code here that prints the contents of input_string to stdout.
+    }
+}

30Days/Day-1/Solutions/python.py

@@ -0,0 +1,7 @@
+secInt = int(input().strip())
+secDoub = float(input().strip())
+secString = (input())
+# Declare second integer, double, and String variables.
+print(secInt + i)
+print(secDoub + d)
+print(s + secString)

30Days/Day-11/Solutions/python.py

@@ -0,0 +1,24 @@
+#!/bin/python3
+
+import sys
+
+arr = []
+hourGlass = []
+def getHourglass(arr):
+    highest = -1000
+    for k in range(len(arr)-2):
+        for x in range(len(arr)-2):
+            top = arr[k][x:3+x]
+            middle = arr[1+k][x+1:2+x]
+            bottom = arr[2+k][x:3+x]
+            totalGeral = sum(top+middle+bottom)
+
+            if totalGeral > highest:
+                highest = totalGeral
+
+    print(highest)         
+
+for arr_i in range(6):
+    arr_t = [int(arr_temp) for arr_temp in input().strip().split(' ')]
+    arr.append(arr_t)
+getHourglass(arr)

30Days/Day-2/Solutions/python.py

@@ -0,0 +1,15 @@
+#!/bin/python3
+
+import sys
+def calculate(meal_cost, tip_percent, tax_percent):
+    tip = meal_cost * (tip_percent/100)
+    tax = meal_cost * (tax_percent/100)
+    totalCost = float(meal_cost + tip + tax)
+    print("The total meal cost is " + str(round(totalCost)) + " dollars.")
+
+
+if __name__ == "__main__":
+    meal_cost = float(input().strip())
+    tip_percent = int(input().strip())
+    tax_percent = int(input().strip())
+    calculate(meal_cost, tip_percent, tax_percent)

30Days/Day-3/Solutions/python.py

@@ -0,0 +1,18 @@
+#!/bin/python3
+
+import sys
+
+
+N = int(input().strip())
+
+if N%2 != 0:
+    print("Weird")
+
+elif N%2 == 0:
+    if N >= 2 and N <= 5:
+        print("Not Weird")
+    if N >= 6 and N <= 20:
+        print("Weird")
+    if N > 20:
+        print("Not Weird")
+

30Days/Day-4/Solutions/python.py

@@ -0,0 +1,15 @@
+class Person:
+    def __init__(self,initialAge):
+        if initialAge < 0:
+            age = 0
+            print("Age is not valid, setting age to 0.")
+    def amIOld(self):
+        if age < 13:
+            print("You are young.")
+        elif age >= 13 and age < 18:
+            print("You are a teenager.")
+        else:
+            print("You are old.")
+    def yearPasses(self):
+        global age
+        age += 1

30Days/Day-5/Solutions/python.py

@@ -0,0 +1,8 @@
+#!/bin/python3
+
+import sys
+
+
+n = int(input().strip())
+for x in range(1,11):
+    print(str(n) +" x "+str(x) + " = " + str(x*n))

30Days/Day-6/Solutions/csharp.cs

@@ -0,0 +1,38 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConsoleApp11
+{
+    class Program
+    {
+        static void Main(string[] args)
+
+        {
+            string a = "", b = "";
+            int t = Convert.ToInt32(Console.ReadLine());
+            for(int i = 0; i < t; i++)
+            {
+                string x = Console.ReadLine();
+                x.ToCharArray();
+                for (int k = 0; k < x.Length; k ++)
+                {
+                    if(k % 2 == 0)
+                    {
+                        a = a + x[k].ToString();
+                    }
+                    else
+                    {
+                        b = b + x[k].ToString();
+                    }
+                }
+                Console.WriteLine($"{a} {b}");
+                a = "";
+                b = "";
+            }
+
+        }
+    }
+}

30Days/Day-7/Solutions/python.py

@@ -0,0 +1,9 @@
+#!/bin/python3
+
+import sys
+
+
+n = int(input().strip())
+arr = [int(arr_temp) for arr_temp in input().strip().split(' ')]
+for element in reversed(arr):
+        print(element, end=" ")

30Days/Day-8/Solutions/python.py

@@ -0,0 +1,12 @@
+n = int(input())
+dic = {}
+for _ in range(n):
+    list_input = list(input().rstrip().split())
+    dic[aplist_inputple[0]] = list_input[1]
+
+while True:
+    inp = input()
+    if inp != "" and inp in dic:
+        print(inp + "=" + dic[inp])
+    else:
+        print("Not found")

algorithms/Implementation/10-BonAppetit/Solutions/python.py

@@ -0,0 +1,14 @@
+firstLine = list(map(int, input().rstrip().split()))
+costOfFood = list(map(int, input().rstrip().split()))
+charged = int(input())
+
+deal = 0
+
+def JudgeOfCost(firstLine,costOfFood, charged):
+    deal = ((sum(costOfFood) - costOfFood[firstLine[1]])/2)
+    if (charged - deal == 0):
+        print("Bon Appetit")
+    else:
+        print(int(charged - deal))
+
+JudgeOfCost(firstLine, costOfFood, charged)

algorithms/Implementation/11-SockMerchant/Solutions/python.py

@@ -0,0 +1,16 @@
+#!/bin/python3
+
+import sys
+from collections import *
+def sockMerchant(n, ar):
+    numberOfPairs = 0
+    c = Counter(ar)
+    for k in c:
+        numberOfPairs += c[k]//2
+    return(numberOfPairs)
+
+
+n = int(input().strip())
+ar = list(map(int, input().strip().split(' ')))
+result = sockMerchant(n, ar)
+print(result)

algorithms/Implementation/6-BirthdayChocolate/Solutions/python.py

@@ -0,0 +1,34 @@
+#!/bin/python3
+
+import sys
+
+def solve(n, s, d, m):
+    if m > n:
+        return 0
+
+    i = j = 0
+    window_sum = 0
+
+    while j < m:
+        window_sum += s[j]
+        j += 1
+
+    count = 1 if window_sum == d else 0
+
+    while j < n:
+        window_sum -= s[i]
+        window_sum += s[j]
+
+        if window_sum == d:
+            count += 1
+        i += 1
+        j += 1
+
+    return count
+
+n = int(input().strip())
+s = list(map(int, input().strip().split(' ')))
+d, m = input().strip().split(' ')
+d, m = [int(d), int(m)]
+result = solve(n, s, d, m)
+print(result)

algorithms/Implementation/7-DivisibleSumPairs/Solutions/python.py

@@ -0,0 +1,27 @@
+#!/bin/python3
+
+import sys
+
+def divisibleSumPairs(n, k, ar):
+    count = 0
+    arrPairs = []
+
+    for x in range(len(ar)):
+        j = 1
+        while j < len(ar):
+            pair = []
+            if x < j and ((ar[x] + ar[j]) % k == 0):
+                pair.append(x)
+                pair.append(j)
+                if pair not in arrPairs:
+                    arrPairs.append(pair)
+                    count += 1
+            j += 1
+    return count
+
+
+n, k = input().strip().split(' ')
+n, k = [int(n), int(k)]
+ar = list(map(int, input().strip().split(' ')))
+result = divisibleSumPairs( n, k, ar)
+print(result)

algorithms/Implementation/8-MigratoryBirds/Solutions/python.py

@@ -0,0 +1,13 @@
+#!/bin/python3
+
+import sys
+from collections import *
+
+def migratoryBirds(n, ar):
+    c = Counter(ar).most_common(1)
+    return (c[0][0])
+
+n = int(input().strip())
+ar = list(map(int, input().strip().split(' ')))
+result = migratoryBirds(n, ar)
+print(result)

algorithms/Sorting/1-IntroToTutorialChallenges/Solutions/python.py

@@ -0,0 +1,13 @@
+#!/bin/python3
+
+import sys
+
+def introTutorial(V, arr):
+    return(arr.index(V))
+
+if __name__ == "__main__":
+    V = int(input().strip())
+    n = int(input().strip())
+    arr = list(map(int, input().strip().split(' ')))
+    result = introTutorial(V, arr)
+    print(result)

algorithms/Sorting/2-InsertionSortPart1/Solutions/python.py

@@ -0,0 +1,30 @@
+#!/bin/python3
+
+import sys
+
+def insertionSort1(n, arr):
+    last = arr[-1]
+    last = arr[-1]
+    x = 0
+    while arr[n-(n+2) - x] > last:
+        arr[-1-x] = arr[n-(n+2) - x]
+        print (' '.join(str(y) for y in arr))
+        if x+2 == len(arr):
+            arr[n-(n+2) - x] = last
+            break
+        else:
+            x += 1
+
+    if arr[n-(n+2) - x] < last:
+        arr[-x-1] = last
+        print (' '.join(str(y) for y in arr))
+    else:
+        print (' '.join(str(y) for y in arr))
+
+
+
+
+if __name__ == "__main__":
+    n = int(input().strip())
+    arr = list(map(int, input().strip().split(' ')))
+    insertionSort1(n, arr)

algorithms/Sorting/3-InsertionSortPart2/Solutions/python.py

@@ -0,0 +1,21 @@
+#!/bin/python3
+
+import sys
+
+def insertionSort2(n, l):
+    for i in range(1, len(l)):
+        j = i-1
+        key = l[i]
+        while (j >= 0) and (l[j] > key):
+            l[j+1],l[j] = l[j],l[j+1]
+            j -= 1
+        l[j+1] = key
+        print(" ".join(map(str,l)))  
+
+
+
+
+if __name__ == "__main__":
+    n = int(input().strip())
+    arr = list(map(int, input().strip().split(' ')))
+    insertionSort2(n, arr)

algorithms/Sorting/4-CorrectnessAndTheLoopInvariant/Solutions/python.py

@@ -0,0 +1,14 @@
+def insertion_sort(l):
+    for i in range(1, len(l)):
+        j = i-1
+        key = l[i]
+        while (j >= 0) and (l[j] > key):
+           l[j+1] = l[j]
+           j -= 1
+        l[j+1] = key
+
+
+m = int(input().strip())
+ar = [int(i) for i in input().strip().split()]
+insertion_sort(ar)
+print(" ".join(map(str,ar)))