Submitted by: Submitted by bobbytr
Views: 215
Words: 346
Pages: 2
Category: Other Topics
Date Submitted: 10/24/2012 10:54 AM
Q1)
#include<iostream.h>
#include<math.h>
voidmain()
{int n,x;
int sum=1; int fact=1;
cout<<”enter the value of x such that 0<x<1”;
cin>>x;
cout<<”enter the number of terms”;
cin>>n;
cout<<”e^x = 1+x+x^2/2!+... x^n/n!”;
if(x<=0&&x>=1)
cout<<”value of x is not within limits”;
else
for(int i=1;i<=n;i++)
{
fact=fact*i;
sum= sum+ (pow(x,i)/fact);
}
cout<<”e^”<<x<<” = “<<sum;
}
Q2)
#include<iostream.h>
void main()
{
int i,j;
for(int i=1;i<=4;i++)
{ cout<<’\n’;
for(j=i;j<=4;j++)
cout<<j<<’\t’;
}
}
Q3)
#include<iostream.h>
int sum(int);
void main()
{
int s=0,n;
cout<<”Enter the value of n”;
cin>>n;
s= sum(n);
cout<<”sum =”<<s;
}
int sum(int n)
{
if(n==0)
return 1;
else
return (n+sum(n-1));
}
Q4)
#include<iostream.h>
#include<string.h>
void main()
{char str[20];
int i,len,flag=0;
clrscr();
cout<<”enter a string”;
cin>>str;
len=strlen(str);
for(i=0;j=len-1;i<len/2;i++;j--)
if(str[i]!=str[j])
{
flag=1;
break;
}
if(flag==0)
cout<<str<<”is a palindrome word”;
else
cout<<str<<”is not a palindrome word”;
}
Q6)
#include<iostream.h>
#include<string.h>
void main()
{
char s1[20],s2[20],s3[20];
cout<<”Enter the first string”;
gets(s1);
cout<<”enter second string”;
gets(s2);
cout<<”enter the third string”;
gets(s3);
strcat(s1,s2);
strcat(s1,s3);
cout<<”\n the concatenated string is “;
puts(s1);
}