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-rw-r--r--src/projecteuler/031.py18
1 files changed, 18 insertions, 0 deletions
diff --git a/src/projecteuler/031.py b/src/projecteuler/031.py
new file mode 100644
index 0000000..331c8c2
--- /dev/null
+++ b/src/projecteuler/031.py
@@ -0,0 +1,18 @@
+
+coins = [ 200, 100, 50, 20, 10, 5, 2, 1 ]
+
+value = 200
+
+def count(v, c):
+ if v == 0:
+ return 1
+ if len(c) == 1:
+ return 1
+ sum = 0
+ n = v / c[0]
+ for i in range(0, n+1):
+ sum += count(v-i*c[0], c[1:])
+ return sum
+
+print count(value, coins)
+