제출 #9399

#제출 시각아이디문제언어결과실행 시간메모리
9399kkjjkkWiring (kriii2_W)C++98
4 / 4
0 ms1088 KiB
#include <cstdio> int main() { long long n; scanf("%lld", &n); if(n % 2 == 0) printf("%lld", n - 1); else printf("%lld", n / 2); }
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