Initial data commit

Task/Colorful-numbers/Python/colorful-numbers.py

@@ -0,0 +1,38 @@
+from math import prod
+
+largest = [0]
+
+def iscolorful(n):
+    if 0 <= n < 10:
+        return True
+    dig = [int(c) for c in str(n)]
+    if 1 in dig or 0 in dig or len(dig) > len(set(dig)):
+        return False
+    products = list(set(dig))
+    for i in range(len(dig)):
+        for j in range(i+2, len(dig)+1):
+            p = prod(dig[i:j])
+            if p in products:
+                return False
+            products.append(p)
+
+    largest[0] = max(n, largest[0])
+    return True
+
+print('Colorful numbers for 1:25, 26:50, 51:75, and 76:100:')
+for i in range(1, 101, 25):
+    for j in range(25):
+        if iscolorful(i + j):
+            print(f'{i + j: 5,}', end='')
+    print()
+
+csum = 0
+for i in range(8):
+    j = 0 if i == 0 else 10**i
+    k = 10**(i+1) - 1
+    n = sum(iscolorful(x) for x in range(j, k+1))
+    csum += n
+    print(f'The count of colorful numbers between {j} and {k} is {n}.')
+
+print(f'The largest possible colorful number is {largest[0]}.')
+print(f'The total number of colorful numbers is {csum}.')