Day10

Author: mahtab04

Day10/q37.py

@@ -0,0 +1,29 @@
+# Python program to convert an integer to a roman numeral
+
+
+class num_to_rom:
+    def int_to_Rom(self, num):
+        val = [
+            1000, 900, 500, 400,
+            100, 90, 50, 40,
+            10, 9, 5, 4,
+            1
+        ]
+        rom = [
+            "M", "CM", "D", "CD",
+            "C", "XC", "L", "XL",
+            "X", "IX", "V", "IV",
+            "I"
+        ]
+        roman_num = ''
+        i = 0
+        while num > 0:
+            for _ in range(num//val[i]):
+                roman_num += rom[i]
+                num -= val[i]
+            i += 1
+        return roman_num
+
+
+print(num_to_rom().int_to_Rom(1))
+print(num_to_rom().int_to_Rom(4000))

Day10/q38.py

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+# python program to check number is perfect square or not
+
+
+def is_perfect_square(n):
+    x = n//2
+    y = set([x])
+    while x*x != n:
+        x = (x+(n//x))//2
+        if x in y:
+            return False
+        y.add(x)
+
+    return True
+
+
+print(is_perfect_square(8))
+print(is_perfect_square(9))
+print(is_perfect_square(100))

Day10/q39.py

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+# Python program to find missing number in a list
+
+
+def missing_number(num_list):
+    return sum(range(num_list[0], num_list[-1]+1))-sum(num_list)
+
+
+print(missing_number([1, 2, 3, 4, 6, 7, 8]))