1.)CALCULATION
#include <iostream>
#include <math.h>
using namespace std;
int main()
{
//int a,b,c;
//cin>>a>>b>>c;
float p,r,n;
try
{
cin>>p>>r>>n;
if(cin)
{
float amt = p * pow((1+(r/100)),n);
cout<<"Compound Interest is:"<<amt-p;
}
else
{
throw p;
}
}
catch(float n)
{
cout<<"Invalid input. Try again";
}
return 0;
}
2).Divide by zero exception
#include <iostream>
#include <ctype.h>
using namespace std;
int main() {
int a,b=244;
cin>>a>>b;
try
{
if( b!=0 && b!=244)
cout<<"VALID";
else
throw(b);
}
catch(int e)
{
cout<<"INVALID: Exception: 0";
}
return 0;
}
3).Checking Valid Data
#include <iostream>
#include <math.h>
using namespace std;
int main()
{
int a;
try
{
cin>>a;
if(cin)
{
if (a>0 && a<=100)
{
cout<<"Valid Mark";
}
else
{
cout<<"Invalid Mark";
}
}
else
{
throw a;
}
}
catch(int a)
{
cout<<"Invalid input. Try again";
}
return 0;
}
4).User defined Exception - Division
#include <iostream>
#include <exception>
using namespace std;
class Divide_By_Zero_Exception : public exception
{
public:
const char * what() const throw() {
return "Divide By Zero Exception";}
};
int main()
{
try
{
int a, b;
cin>>a>>b;
if(b==0)
{
Divide_By_Zero_Exception d;
throw d;
}
else
{
cout<<a/b;
}
}
catch(exception& e)
{
cout<<e.what();
}
return 0;
}
5). Multiple Exception - Default Exception
#include <iostream>
using namespace std;
int main() {
int N;
cin>>N;
try
{
if (N==1)
cout<<"Integer Exception\nException number=25";
else if(N==2)
cout<<"Float Exception\nException number=25.23";
else
throw(N);
}
catch(...)
{
cout<<"Default Exception\nWrong Number Used, Input 1 or 2";
}
return 0;
}
6).Vowels - Consonants Exceptional Handling
#include <iostream>
#include <string.h>
using namespace std;
int main() {
char a[30];
int len, i, vow=0, cons=0;
cin>>a;
len = strlen(a);
for(i=0; i<len; i++)
{
try
{
if(a[i]>=65 && a[i] <91 || a[i]>=97 && a[i] < 123)
{
if(a[i] == 'a' || a[i] == 'e' || a[i] == 'i' || a[i] == 'o' || a[i] == 'u' || a[i] =='A' || a[i] == 'E' || a[i] == 'I' || a[i] == 'O' || a[i] == 'U')
{
vow++;
}
else
cons++;
}
else
{
throw a[i];
}
}
catch(char c)
{
cout<<"Exception Caught Numeric Value";
return 0;
}
}
cout<<"Vowels="<<vow;
cout<<endl<<"Consonants="<<cons;
return 0;
}
7).Factorial
#include<iostream>
using namespace std;
int main()
{
int n,i,f=1;
cin>>n;
try
{
if(n>0&&n<20)
{
for(i=1;i<n+1;i++)
f=f*i;
cout<<"Factorial of a given Number is= "<<f;
}
else if(n<0)
throw (0);
if(n>20)
throw(1.0);
}
catch(int i)
{
cout<<"Factorial of a given Number is= "<<i;
}
return 0;
}
8).Exceptional - Operator Checking
#include <iostream>
using namespace std;
int main() {
double a,b,sum;
char c;
cin>>a>>c>>b;
try
{
switch(c)
{
case '+':sum=a+b;
cout<<a<<c<<b<<"="<<sum;
break;
case '-':sum=a-b;
cout<<a<<c<<b<<"="<<sum;
break;
case '/':sum=a/b;
cout<<a<<c<<b<<"="<<sum;
break;
case '*':sum=a*b;
cout<<a<<c<<b<<"="<<sum;
break;
default:
throw(c);
}
}
catch(char c)
{
cout<<"Operation Error & is not a valid operator";
}
return 0;
}
9).Check input
#include <iostream>
using namespace std;
int main()
{
int nr = 0; char ch;
try
{
cin >> nr;
if(cin)
{
cin.get(ch);
if(ch=='.')
{
cout << "Floting" << endl;
}
else
{
cout << "Integer" << endl;
}
}
else
{
throw nr;
}
}
catch(int nr)
{
cout<<"Invalid input";
}
return 0;
}
10).Reverse - Array Exceptions
#include <iostream>
using namespace std;
int main() {
int a,b[1000],i;
cin>>a;
try
{
if(a<=20&&a>0)
{
for(i=0;i<a;i++)
cin>>b[i];
for(i=a-1;i>=0;i--)
cout<<b[i]<<" ";
}
else
{
throw(a);
}
}
catch(int e)
{
cout<<"Exception occurred";
}
return 0;
}
11).Finding Alphabets
#include <iostream>
#include <ctype.h>
using namespace std;
int main() {
char a,i;
for(i=0;i<2;i++)
{
cin>>a;
try
{
if(isalpha(a))
cout<<"character "<<a<<" is alphabetic "<<endl;
else
throw(a);
}
catch(char e)
{
cout<<"character "<<e<<" is not alphabetic "<<endl;
}
}
return 0;
}
12).Palindrome
#include <iostream>
#include <string.h>
using namespace std;
int main() {
int d=1,j=0,i;
char a[100],b[100];
cin>>a;
for(i=strlen(a)-1;i>=0;i--)
{
b[j]=a[i];
j++;
}
// cout<<a<<endl<<b;
try
{
if(strcmp(a,b)==0)
cout<<a<<" is a palindrome";
else
throw(d);
}
catch(int e)
{
cout<<a<<" is not a palindrome";
}
return 0;
}
13).Relational Operators - Exceptional Handling
#include <iostream>
using namespace std;
int main()
{
int a,b;
cin>>a>>b;
try
{
if(a>0 && b>0)
{
if(a>b)
{
cout<<a<<"<"<<b<<"=0"<<endl;
cout<<a<<"<="<<b<<"=0"<<endl;
cout<<a<<"="<<b<<"=0"<<endl;
cout<<a<<">"<<b<<"=1"<<endl;
cout<<a<<">="<<b<<"=1"<<endl;
cout<<a<<"!="<<b<<"=1"<<endl;
}
else if(a<b)
{
cout<<a<<"<"<<b<<"=1"<<endl;
cout<<a<<"<="<<b<<"=1"<<endl;
cout<<a<<"="<<b<<"=0"<<endl;
cout<<a<<">"<<b<<"=0"<<endl;
cout<<a<<">="<<b<<"=0"<<endl;
cout<<a<<"!="<<b<<"=1"<<endl;
}
else
{
cout<<a<<"<"<<b<<"=0"<<endl;
cout<<a<<"<="<<b<<"=1"<<endl;
cout<<a<<"="<<b<<"=1"<<endl;
cout<<a<<">"<<b<<"=0"<<endl;
cout<<a<<">="<<b<<"=1"<<endl;
cout<<a<<"!="<<b<<"=0"<<endl;
}
}
else
throw a;
}
catch(...)
{
cout<<"No Negative Numbers";
}
return 0;
}
14).Compare two string
#include<iostream>
#include<string.h>
using namespace std;
int main() {
char ch[10],ch1[10];
cin>>ch>>ch1;
try
{for(int i=0;ch[i]>48&&ch[i]<57;i++)
throw ch[i];
for(int i=0;ch[i]>48&&ch1[i]<57;i++)
throw ch1[i];
if(strcmp(ch,ch1)!=0)
cout<<ch<<" is not "<<ch1;
else
cout<<ch<<" is "<<ch1;
}
catch(char ch)
{
cout<<"Invalid input Try again";
}
return 0;
}
15).Number Exception
#include <iostream>
using namespace std;
int main()
{
float input;
cin >> input;
try
{
if (!((float(int(input)) == input) && (input != 0)))
throw("Invalid input");
cout << "Number of exceptions: " << int(input / 4);
}
catch (const char *msg)
{
cout << msg << endl;
}
return 0;
}
16).Length of string
#include <iostream>
#include <cstring>
using namespace std;
int main()
{
string str;
cin >> str;
int length = str.length();
try
{
if (str.empty() || str.length() == 1)
throw("Invalid input");
cout << "Length of the string is: " << length;
}
catch (const char *msg)
{
cout << msg << endl;
}
return 0;
}