pwc285 - minor enhancement

4 files changed, 14 insertions, 18 deletions

diff --git a/challenge-285/pokgopun/go/ch-1.go b/challenge-285/pokgopun/go/ch-1.go
index 25e61b4565..886d188e63 100644
--- a/challenge-285/pokgopun/go/ch-1.go
+++ b/challenge-285/pokgopun/go/ch-1.go
@@ -48,9 +48,10 @@ type routes []route
 func (rs routes) nc() string {
 	m := make(map[string]bool)
 	for _, v := range rs {
-		m[v.src] = false
-		_, ok := m[v.dst]
-		if !ok {
+		if b, ok := m[v.src]; !ok || b {
+			m[v.src] = false
+		}
+		if _, ok := m[v.dst]; !ok {
 			m[v.dst] = true
 		}
 	}
diff --git a/challenge-285/pokgopun/go/ch-2.go b/challenge-285/pokgopun/go/ch-2.go
index 58a63ee266..7ed21d5f1e 100644
--- a/challenge-285/pokgopun/go/ch-2.go
+++ b/challenge-285/pokgopun/go/ch-2.go
@@ -64,13 +64,7 @@ func mc(a int) int {
 	for c50 := range a/50 + 1 {
 		for c25 := range (a-50*c50)/25 + 1 {
 			for c10 := range (a-50*c50-25*c25)/10 + 1 {
-				for c5 := range (a-50*c50-25*c25-10*c10)/5 + 1 {
-					for c1 := range (a - 50*c50 - 25*c25 - 10*c10 - 5*c5) + 1 {
-						if 50*c50+25*c25+10*c10+5*c5+c1 == a {
-							c++
-						}
-					}
-				}
+				c += (a-50*c50-25*c25-10*c10)/5 + 1
 			}
 		}
 	}
diff --git a/challenge-285/pokgopun/python/ch-1.py b/challenge-285/pokgopun/python/ch-1.py
index fcebb07e89..5ae0781134 100644
--- a/challenge-285/pokgopun/python/ch-1.py
+++ b/challenge-285/pokgopun/python/ch-1.py
@@ -31,10 +31,14 @@ Task 2: Making Change
 ### solution by pokgopun@gmail.com
 
 def nc(routes: tuple):
-    srcs = tuple(e[0] for e in routes)
-    for src, dst in routes:
-        if dst not in srcs:
-            return dst
+    dct = dict()
+    for src,dst in routes:
+        if dct.get(src,True):
+            dct[src] = False
+        dct.setdefault(dst,True)
+    for k,v in dct.items():
+        if v:
+            return k
     return None
 
 import unittest
diff --git a/challenge-285/pokgopun/python/ch-2.py b/challenge-285/pokgopun/python/ch-2.py
index 813b8cf378..54396ce3f7 100644
--- a/challenge-285/pokgopun/python/ch-2.py
+++ b/challenge-285/pokgopun/python/ch-2.py
@@ -55,10 +55,7 @@ def mc(amount: int):
     for a50 in range(0,amount+1,50):
         for a25 in range(0,amount-a50+1,25):
             for a10 in range(0,amount-a50-a25+1,10):
-                for a5 in range(0,amount-a50-a25-a10+1,5):
-                    for a1 in range(0,amount-a50-a25-a10-a5+1,1):
-                        if a50 + a25 + a10 + a5 + a1 == amount:
-                            c += 1
+                c += (amount-a50-a25-a10)//5 + 1
     return c
 
 import unittest