python-algorithm
[백준] 14579
무적김두칠
2020. 12. 29. 16:38
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import sys
a,b= map(int,sys.stdin.readline().split())
start= int ((1+a)*a/2)
for i in range(a+1,b+1):
start*= int ( (i*(1+i))/2)
print(start%14579)
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cs |
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