Run ID：98049 提交时间：2024-11-17 11:28:48 #include<iostream> using namespace std; int main() { int n,x,y; int num = 0; cin>>n>>x>>y; num = n-y/x; if(y%x!=0) num--; if(num<=0) cout<<0<<endl; else cout<<num<<endl; return 0; }