include
using namespace std; int main() { int a,b,c; cin>>a>>b>>c; if((a-c/b)<0) { cout<<0; return 0; } if(c%b==0) { cout<<a-c/b; } else { cout<<a-(c/b+1); } }
using namespace std; int main() { int a,b,c; cin>>a>>b>>c; if((a-c/b)<0) { cout<<0; return 0; } if(c%b==0) { cout<<a-c/b; } else { cout<<a-(c/b+1); } }