Submission #2812

#TimeUsernameProblemLanguageResultExecution timeMemory
2812mh5664다각형 (GA5_polygon)C++98
0 / 100
0 ms1088 KiB
#include <stdio.h> int main () { long long int n, m; scanf ("%lld %lld", &n, &m); long long int sol; if (n % 2 == 1) --n; if (m % 2 == 1) --m; sol = ((m / 2) + 1) * m / 2 - ((n / 2) + 1) * n / 2; printf ("%lld", sol); return 0; }
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