Submission #14258

#TimeUsernameProblemLanguageResultExecution timeMemory
14258khsoo01다각형 (GA5_polygon)C++98
100 / 100
0 ms1716 KiB
#import<iostream> long long a,b;main(){std::cin>>b>>a;--b/=2;a/=2;std::cout<<a*a+a-b*b-b-!!a*!b*2;}
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