07.1, 07.2 python

07/07.py

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+
+
+
+
+data = open("input.txt").read().strip().split("\n")
+
+def f(t, l, x=0, i=0):
+    if i==len(l):
+        return t==x
+    return f(t, l, x+l[i], i+1) or \
+           f(t, l, x*l[i], i+1)
+
+def f2(t, l, x=0, i=0):
+    if i==len(l):
+        return t==x
+    return f2(t, l, x+l[i], i+1) or \
+           f2(t, l, x*l[i], i+1) or \
+           f2(t, l, int(str(x)+str(l[i])), i+1)
+s = 0
+s2 = 0
+for x in data:
+    t, l = x.split(': ')
+    t = int(t)
+    l = [int(y) for y in l.split()]
+    if f(t, l):
+        s += t
+    if f2(t, l):
+        s2 += t
+print(s)
+print(s2)