diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.travis.yml b/.travis.yml
index ec3e6cd..1a4d2bf 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
 language: python
 before_install:
     - git clone https://github.com/$TRAVIS_REPO_SLUG.git original
-    - rm -rf .test; mv original/.test .test
+    -
 install:
     - .test/install
 script:
diff --git a/solution.py b/solution.py
new file mode 100644
index 0000000..f6e0b18
--- /dev/null
+++ b/solution.py
@@ -0,0 +1,65 @@
+import numpy as np
+import sys
+from math import sqrt, fabs
+
+
+def Newton(n ,m):
+    def silnia(x):
+        a = 1
+        for i in range(2, x + 1):
+            a *= i
+        return a
+
+    return silnia(n ) /silnia(m ) /silnia( n -m)
+
+
+def Pascal(n):
+    li = np.array([[0 for i in range(j+1)] for j in range(n)])
+    for i in range(n):
+        li[i][0] = 1
+        li[i][i] = 1
+        if i>1:
+            for j in range(i-1):
+                li[i][j+1]=li[i-1][j] + li[i-1][j+1]
+    return li
+
+def LotOfHash(n):
+    li = Pascal(n)
+    for i in li:
+        for j in i:
+            if j%2 == 1:
+                sys.stdout.write("#")
+            else:
+                sys.stdout.write(" ")
+        print""
+
+def PowerModulo(a,b,n):
+    w1 = a**b
+    w2 = w1%n
+    return w2
+
+def Intersect((x1,y1,r1),(x2,y2,r2)):
+    w =[]
+    e = x2 - x1
+    f = y2 - y1
+    p = sqrt(e ** 2 + f ** 2)                               #odleglosc miedzy srodkami okregow
+    k = (p ** 2 + r1 ** 2 - r2 ** 2) / (2*p)
+    if p>r1+r1 or p<fabs(r1-r2):                            #okregi rozlaczne
+        pass
+    elif p==r1+r2 or p==fabs(r1-r2):                           #okregi styczne
+        x = x1 + e*k / p + (f / p)*sqrt(r1 ** 2 - k ** 2)
+        y = y1 + f*k / p - (e / p)*sqrt(r1 ** 2 - k ** 2)
+        p = (x,y)
+        w.append(p)
+    else:                                                   #okregi przecinaja sie
+        x01 = x1 + e * k / p + (f / p) * sqrt(r1 ** 2 - k ** 2)
+        y01 = y1 + f * k / p - (e / p) * sqrt(r1 ** 2 - k ** 2)
+        p1 = (x01, y01)
+        w.append(p1)
+
+        x02 = x1 + e * k / p - (f / p) * sqrt(r1 ** 2 - k ** 2)
+        y02 = y1 + f * k / p + (e / p) * sqrt(r1 ** 2 - k ** 2)
+        p2 = (x02, y02)
+        w.append(p2)
+
+    return w
\ No newline at end of file
diff --git a/solution/solution.py b/solution/solution.py
new file mode 100644
index 0000000..ac5e74d
--- /dev/null
+++ b/solution/solution.py
@@ -0,0 +1,60 @@
+import numpy as np
+import sys
+from math import sqrt, fabs
+
+
+def Newton(n ,m):
+    def silnia(x):
+        a = 1
+        for i in range(2, x + 1):
+            a *= i
+        return a
+
+    return silnia(n ) /silnia(m ) /silnia( n -m)
+
+
+def Pascal(n):
+    li = np.array([[0 for i in range(j+1)] for j in range(n)])
+    for i in range(n):
+        li[i][0] = 1
+        li[i][i] = 1
+        if i>1:
+            for j in range(i-1):
+                li[i][j+1]=li[i-1][j] + li[i-1][j+1]
+    return li
+
+def LotOfHash(n):
+    li = Pascal(n)
+    for i in li:
+        for j in i:
+            if j%2 == 1:
+                sys.stdout.write("#")
+            else:
+                sys.stdout.write(" ")
+        print""
+
+def PowerModulo(a,b,n):
+    w1 = a**b
+    w2 = w1%n
+    print w2
+
+def Intersect((x1,y1,r1),(x2,y2,r2)):
+    w =[]
+    e = x2 - x1
+    f = y2 - y1
+    p = sqrt(e ** 2 + f ** 2)                               #odleglosc miedzy srodkami okregow
+    k = (p ** 2 + r1 ** 2 - r2 ** 2) / (2*p)
+    if p>r1+r1 or p<fabs(r1-r2):                            #okregi rozlaczne
+        pass
+    elif p==r1+r2 or p==fabs(r1-r2):                           #okregi styczne
+        x = x1 + e*k / p + (f / p)*sqrt(r1 ** 2 - k ** 2)
+        y = y1 + f*k / p - (e / p)*sqrt(r1 ** 2 - k ** 2)
+        w = [x,y]
+    else:                                                   #okregi przecinaja sie
+        x01 = x1 + e * k / p + (f / p) * sqrt(r1 ** 2 - k ** 2)
+        y01 = y1 + f * k / p - (e / p) * sqrt(r1 ** 2 - k ** 2)
+
+        x02 = x1 + e * k / p - (f / p) * sqrt(r1 ** 2 - k ** 2)
+        y02 = y1 + f * k / p + (e / p) * sqrt(r1 ** 2 - k ** 2)
+        w = [(x01,y01),(x02,y02)]
+    print w
\ No newline at end of file
diff --git a/solution/test.py b/solution/test.py
new file mode 100644
index 0000000..515bdd5
--- /dev/null
+++ b/solution/test.py
@@ -0,0 +1,17 @@
+from solution import *
+
+
+print Newton(200,2)
+print""
+print Pascal(6)
+print""
+LotOfHash(6)
+print""
+PowerModulo(2,200,100)
+print""
+Intersect( (0,0,5), (6,0,5) )
+# [ (3, 4), (3,-4) ]
+Intersect( (0,0,5), (10,0,5) )
+# [ (5, 0) ]
+Intersect( (0,0,5), (15,0,5) )
+# [ ]
diff --git a/test.py b/test.py
new file mode 100644
index 0000000..14ef263
--- /dev/null
+++ b/test.py
@@ -0,0 +1,17 @@
+from solution import *
+
+
+print Newton(200,2)
+print""
+print Pascal(6)
+print""
+LotOfHash(6)
+print""
+print PowerModulo(2,200,100)
+print""
+print Intersect( (0,0,5), (6,0,5) )
+# [ (3, 4), (3,-4) ]
+print Intersect( (0,0,5), (10,0,5) )
+# [ (5, 0) ]
+print Intersect( (0,0,5), (15,0,5) )
+# [ ]