ac
2024-07-25 16:33:56
发布于：广东
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#include<iostream>
using namespace std;
int main(){
int n;
int x;
int y;
cin>>n>>x>>y;
if(y%x!=0){
cout<<n-y/x-1;
}
else{
if(n-y/x<=0){
cout<<"0";
}
else{
cout<<n-y/x;}
}
return 0;
}
```cpp
```cpp
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