Am adaugat materialele din săpt trecute.

python/laborator/lab3_2.py

@@ -0,0 +1,95 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+Created on Fri Mar  6 14:36:50 2026
+
+@author: alex
+"""
+
+import math
+
+def putere(a, n):
+    p = 1
+    if n < 1:
+        return p
+    return a*putere(a, n-1)
+
+def putere_it(a, n):
+    p = 1
+    for i in range (1, n+1):
+        p = p*a
+    return p
+
+def factorial(n):
+    f = 1
+    for i in range(1, n+1):
+        f = f*i
+    return f
+
+def comb(n, k):
+    return factorial(n) // (factorial(k) * factorial(n - k))
+
+def cifre_pare(n):
+    n = abs(n)
+    cif_pare = 0
+    while n!= 0:
+        if( (n%10)%2 == 0 ):
+            cif_pare += 1
+        n //= 10
+    return cif_pare
+
+def produs_div3(n):
+    p=1
+    while (n != 0):
+        cifra = int(n%10)
+        print(cifra)
+        if (cifra % 3 == 0):
+            p *= cifra
+        n //= 10
+    return p
+
+def lungime(n):
+    i = 0
+    while n > 1:
+        n //= 10
+        i += 1
+    return i
+
+def oglindit(n):
+    og = 0
+    while n != 0:
+        og += putere(10,lungime(n)) * int(n%10)
+        n //= 10
+    return og
+
+def oglindit_2(n):
+    ogl = 0
+    while n!= 0:
+        ogl = ogl * 10 + n%10
+        n //= 10
+    return ogl
+
+def parab(x):
+    return x*x
+
+def integreaza(f, a, b, n=1000):
+    h = (b - a) / n
+    integr = 0
+    for i in range(n):
+        x = a + i*h
+        integr += f(x) * h
+    return integr
+
+#print(putere(2, 10))
+#print(putere_it(2, 10))
+#print(factorial(5))
+#print(comb(5, 2))
+#print(cifre_pare(2486135))
+#print(cifre_pare(2222222))
+#print(produs_div3(39162))
+#print(lungime(24))
+#print(oglindit(123))
+#print(oglindit_2(123))
+
+print(integreaza(parab, 0, 1,10000))
+print(integreaza(math.sin, 0, math.pi))