20 lines
309 B
C++
20 lines
309 B
C++
//acmp.ru 0539 tort.cpp 6%
|
|
|
|
#include <stdio.h>
|
|
|
|
int main(){
|
|
freopen("INPUT.TXT", "r", stdin);
|
|
freopen("OUTPUT.TXT", "w", stdout);
|
|
|
|
short N;
|
|
scanf("%hi", &N);
|
|
if (N <= 1){
|
|
printf("0");
|
|
}else if(N % 2 == 0){
|
|
printf("%hi", N / 2);
|
|
}else if(N % 2 != 0){
|
|
printf("%hi", N);
|
|
}else {
|
|
printf("0");
|
|
}
|
|
} |