Submission #9815

#TimeUsernameProblemLanguageResultExecution timeMemory
9815YoonWiring (kriii2_W)C++98
4 / 4
0 ms1088 KiB
#include <stdio.h> long long int N,Cnt; int main() { int i; scanf("%lld",&N); if(N%2==0)Cnt=N-1; else Cnt=(N-1)/2; printf("%lld\n",Cnt); return 0; }
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