Submission #13561

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
135612015-02-24 09:50:30baneling100Wiring (kriii2_W)C++98
1 / 4
0 ms1084 KiB
#include <stdio.h>
long long N;
int main(void) {
scanf("%lld",&N);
printf("%d",N%2?N/2:N-1);
return 0;
}
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