Submission #15847

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
158472015-07-31 02:03:41ggohWiring (kriii2_W)C++98
4 / 4
0 ms1084 KiB
#include<cstdio>
main()
{
long long a;
scanf("%lld",&a);
if(a%2)printf("%lld",a/2);
else printf("%lld",a-1);
}
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