Week 271

2 files changed, 76 insertions, 0 deletions

diff --git a/challenge-271/zapwai/python/ch-1.py b/challenge-271/zapwai/python/ch-1.py
new file mode 100644
index 0000000000..5cba68f53f
--- /dev/null
+++ b/challenge-271/zapwai/python/ch-1.py
@@ -0,0 +1,32 @@
+def proc(m):
+    print("Input: m = ", m)
+    cnt = []
+    for i in range(len(m)):
+        cnt.append(0)
+    pres = 0
+    for row in m:
+        for entry in row:
+            if entry == 1:
+                cnt[pres] += 1
+        pres += 1
+    max = 0
+    max_index = 0
+    for i in range(len(cnt)):
+        if cnt[i] > max :
+            max_index = i
+            max = cnt[i]
+    print( "Output: row", max_index + 1, " ( count is", max, ")")
+
+matrix = [ [0, 1],
+	   [1, 0],
+	  ]
+proc(matrix)
+matrix = [ [0, 0, 0],
+	   [1, 0, 1],
+	  ]
+proc(matrix)
+matrix = [ [0, 0],
+	   [1, 1],
+	   [0, 0],
+	  ]
+proc(matrix)
diff --git a/challenge-271/zapwai/python/ch-2.py b/challenge-271/zapwai/python/ch-2.py
new file mode 100644
index 0000000000..3ba24a81ef
--- /dev/null
+++ b/challenge-271/zapwai/python/ch-2.py
@@ -0,0 +1,44 @@
+def proc(ints):
+    print( "Input:", ints)
+    count = []
+    for i in ints:
+        bina = bin(i)
+        dig = list(bina)
+        cnt = 0
+        for d in dig:
+            if d == '1':
+                cnt += 1
+        count.append(cnt)
+    ords = ints.copy()
+    c = 1
+    while c != 0:
+        c = 0
+        for i in range(len(ords) - 1):
+            if count[i] > count[i+1]:
+                c += 1
+                tmp_cnt = count[i]
+                tmp_int = ords[i]
+                count[i] = count[i+1]
+                count[i+1] = tmp_cnt
+                ords[i] = ords[i+1]
+                ords[i+1] = tmp_int
+    c = 1
+    while c != 0:
+        c = 0
+        for i in range(len(ords) - 1):
+            if count[i] != count[i+1]:
+                continue
+            if ords[i] > ords[i+1]:
+                c += 1
+                tmp_int = ords[i]
+                ords[i] = ords[i+1]
+                ords[i+1] = tmp_int
+                tmp_cnt = count[i]
+                count[i] = count[i+1]
+                count[i+1] = tmp_cnt
+    print("Output:", ords)
+
+ints = [0, 1, 2, 3, 4, 5, 6, 7, 8]
+proc(ints)
+ints = [1024, 512, 256, 128, 64]
+proc(ints)