.png)
.png)
# include < iostream>
# include < string >
using namespace std;
int main()
{
char str1[50], str2 [35];
cout << "Enter string str1;";
cin >> str1;
cout << "Enter string str2:";
cin >> str2;
strcat(str1,str2);
cout << "strcat (str1, str2 ) : "<< str1;
system("pause");
return 0;
}
# include < iostream>
# include < string>
using namespace std;
int main()
{
char str1 [30], temp[30];
cout < < "Enter the string:";
cin > > str1;
strcpy ( temp, str1);
cout < < "strupr ( temp ) : " < < strupr (temp) < < end1;
cout < < "strlwr (temp) : " < < strlwr ( temp) < < end1;
system("pause");
return 0;
}
#include<iostream>
#include<iomanip>
using namespace std;
int main(){
int num,i,count,n;
cout << "Enter max range: ";
cin >> n;
for(num = 1;num<=n;num++){
count = 0;
for(i=2;i<=num/2;i++){
if(num%i==0){
count++;
break;
}
}
if(count==0 && num!= 1)
cout << num << setw(3);
}
system("pause");
return 0;
}
#include<iostream>
#include<iomanip>
using namespace std;
int main(){
int n,i=1,sum=0;
cout<<"Enter a number: ";
cin >> n;
while(i<n){
if(n%i==0)
sum=sum+i;
i++;
}
if(sum==n)
cout << i << " is a perfect number";
else
cout << i << " is not a perfect number";
system("pause");
return 0;
}
C++ PROGRAM TO CHECK WHETHER A NUMBER IS A PERFECT NUMBER
© 2013 Klick Dev. All rights resevered.Templateism
