== 2006///if-else/ ==
if else 2
~cpp
#include <iostream.h>
void main()
{
int n,i;
cout << "50~100 ";
cin >> n;
if( n<50 || 100<n) {
cout << " \n";
}
else {
for(i=1; i<=n; i++){
if(i%3==0){
cout << i;
cout << "\n";
}
}
for(i=1; i<=n; i++){
if(i%5==0){
cout << i;
cout << "\n";
//else
}
}
}
}
~cpp
#include <iostream.h>
void main()
{
char a;
cout << " \n";
cin >> a;
if ( 65 <= a && a <= 90) {
cout << " \n";
}
else if (97 <= a && a <= 122){
cout << " \n";
}
else if (48 <= a && a<=58){
cout << " \n";
}
else
cout << " \n";
}










