백준/백준-C++
2965번: 캥거루 세마리
Beabletoet
2017. 6. 10. 19:25
#include<cstdio>
int main()
{
int a, b, c;
scanf("%d %d %d",&a,&b,&c);
((b-a) > (c-b)) ? printf("%d",b-a-1) : printf("%d",c-b-1);
}