| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 7790 | whiteout | 다각형 (GA5_polygon) | C++98 | 0 ms | 1672 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#import<iostream>
long long a,b;main(){std::cin>>a>>b;a++,a/=2,a--,b/=2;std::cout<<(b*(b+1)-a*(a+1));}
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