34 lines
No EOL
534 B
Python
34 lines
No EOL
534 B
Python
example = """
|
|
3 4
|
|
4 3
|
|
2 5
|
|
1 3
|
|
3 9
|
|
3 3
|
|
"""
|
|
|
|
|
|
parsed = [[],[]]
|
|
|
|
for x in open('input.txt', 'r').readlines():
|
|
# for x in example.splitlines():
|
|
if x:
|
|
a = [y for y in x.split(" ") if y]
|
|
|
|
parsed[0].append(a[0])
|
|
parsed[1].append(a[1])
|
|
|
|
parsed[0] = sorted(parsed[0])
|
|
parsed[1] = sorted(parsed[1])
|
|
|
|
parsed[0] = [int(x) for x in parsed[0]]
|
|
parsed[1] = [int(x) for x in parsed[1]]
|
|
|
|
asd = []
|
|
|
|
for x in parsed[0]:
|
|
cnt = parsed[1].count(x)
|
|
asd.append(x*cnt)
|
|
|
|
num = sum(asd)
|
|
print(num) |