```cpp
#include<stdio.h>
long long n,L,R;
int main(){
scanf("%d%d%d",&n,&L,&R);
if(L/n!=R/n){
printf("%d",n-1);
}
else{
printf("%d",R%n);
}
return 0;
}
```
这样就可以愉快的Ac了
by oldnet @ 2023-10-17 13:20:38
@[FYH666666](/user/1099417)
by oldnet @ 2023-10-17 13:21:21
@[oldnet](/user/713602) 西西你
by FYH666666 @ 2023-10-17 16:48:27
```cpp
#include<bits/stdc++.h>
using namespace std;
int n,l,r;
int main() {
//freopen("candy.in","r",stdin);
//freopen("candy.out","w",stdout);
cin>>n>>l>>r;
if(l/n==r/n) cout<<r%n<<endl;
else cout<<n-1<<endl;
return 0;
}
```
by Ryanwu_AK_CSP @ 2023-10-18 19:38:25