#include<iostream> #include<iomanip> using namespace std; int main(){ /**bool is_light = true; bool is_light2 = false; cout<<is_light<<endl; cout<<is_light2; if(is_light){ cout<<"出去玩"; } //输入一个值 ，判断是否为偶数a % 2 int a; cin>>a; if(a%2==0){cout<<"是偶数"; } //同一个程序里面不能出现两个相同的变量名 // 等于== 不等于！= int b; cin>>b; if(b%2>0){cout<<"是奇数"; } //if 如果 else否则 int temp; cin>>temp; if(temp>30){cout<<"今天很热"; }else{cout<<"不是很热"; } int a; cin>>a; if(a>=60){cout<<"YES"; }else{cout<<"NO"; } int a; cin>>a; if(a%2!=0){cout<<"Yes"; }else{cout<<"No"; } int a,b; cin>>a>>b; if(a>b){cout<<a; }else{cout<<b; } int a; cin>>a; if(a>0){cout<<"YES"; }else{cout<<"NO"; } int a,b,c; cin>>a>>b>>c; if(a+b>c){cout<<"Yes"; }else{cout<<"No"; } **/ int n,x,y; cin>>n>>x>>y; if(y%x!=0){cout<<n-(y/x+1); }else{cout<<n-y/x; } return 0; }