$\color{#1c1c1c}{\text{tu}}$$\color{#363636}{\text{a}}$$\color{#4f4f4f} {\text{n}}$$\color{#696969}{\text{d}}$$\color{#828282} {\text{u}}$$\color{#9c9c9c}{\text{n}}$$\color{#b5b5b5} {\text{m}}$$\color{#cfcfcf}{\text{a}}$$\color{#eee9e9}{\text{i}}$

#include<bits/stdc++.h>
using namespace std;

int main() {
    int v,a,b, d=0,h=0;
    cin>>v>>a>>b;
    while (h<v) {
        d++;
        h=h+a;
        if (h<v)
            h=h-b;
    }
    cout<<d;
return 0;
}

#include <iostream>
#include <cmath>
using namespace std;
int main() {
    int v,a,b;
    cin>>v>>a>>b;
    if (a>=v) {
        cout<<1<<endl;
    } else {
        int d=ceil((double)(v-a)/(a-b))+1;
        cout<<d<<endl;
    }
    return 0;
}