Ejercicio 4

#include <iostream>
#include <stdlib.h>
#include <stdio.h>

using namespace std;

int n1, n2, n3, j, r;

int main (){
cout<<"numero 1"<<endl;
cin>>n1;

cout<<"numero 2"<<endl;
cin>>n2;

cout<<"numero 3"<<endl;
cin>>n3;

if (n2>n3){
for (j=n2;j>=n3;j--){
r=n1*j;
cout<<n1<<"x"<<j<<"="<<r<<endl;
}
}

if (n3>n2){
   for(j=n2;j<=n3;j++){
    r=n1*j;
    cout<<n1<<"x"<<j<<"="<<r<<endl;
   }
}
return 0;
}