No. of repetitions of a digit

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 //Downloaded From www.c4cpp.co.nr  
 //(C)2009.All rights reserved.  
 #include<iostream.h>  
 #include<conio.h>  
 #include<string.h>  
 void main()  
 {  
 clrscr();  
 int i,j,c=1,l;  
 char a[100];  
 cout<<"Enter Array"<<endl;  
 cin.getline(a,100);  
 l=strlen(a);  
 for(i=0;i<l;i++)  
 {  
 c=1;  
 for(j=i+1;j<l;j++)  
 {  
 if(a[i]==a[j])  
 {  
 c=c+1;  
 a[j]=' ';  
 }  
 }  
 if(a[i]!=' ')  
 cout<<"Element"<<a[i]<<"is present"<<c<<"times"<<endl;  
 }  
 getch();  
 }  

Sum of n even Nos.

Click Here To Download C++ File Of This Program

 //Downloaded From www.c4cpp.co.nr 
//(C)2009.All rights reserved. 
#include<iostream.h> 
#include<conio.h> 
void main() 
{ 
clrscr(); 
int i,s=0; 
for(i=2;i<=100;i=i+2) 
{ 
s=s+i; 
cout<<"+"<<i; 
} 
cout<<"="<<s; 
getch(); 
} 

Array in given pattern

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 /*  
 4 3 2 1  
 0 3 2 1  
 0 0 2 1  
 0 0 0 1  
 */  
 //Downloaded From www.c4cpp.co.nr  
 //(C)2009.All rights reserved.  
 #include<iostream.h>  
 #include<conio.h>  
 void main()  
 {  
 clrscr();  
 int i,n,g,j,a[100],b[100][100];  
 cout<<"Enter Limit"<<endl;  
 cin>>n;  
 cout<<"Enter "<<endl;  
 for(g=0;g<n;g++)  
 cin>>a[g];  
 for(i=0;i<n;i++)  
 {  
 for(j=n-1;j>=0;j--)  
 {  
 b[i][j]=a[j];  
 }  
 }  
 for(i=0;i<n;i++)  
 {  
 for(j=0;j<n;j++)  
 {  
 if(i>j)  
 b[i][j]=0;  
 }  
 }  
 for(i=0;i<n;i++)  
 {  
 cout<<endl;  
 for(j=0;j<n;j++)  
 {  
 cout<<b[i][j]<<" ";  
 }  
 }  
 getch();  
 }  

Predict Output 2

Click Here To Download C++ File Of This Program

 //Downloaded From www.c4cpp.co.nr  
 //(C)2009.All rights reserved.  
 #include<iostream.h>  
 #include<conio.h>  
 #include<string.h>  
 #include<stdio.h>  
 #include<ctype.h>  
 void main()  
 {  
 clrscr();  
 char *Name="AnnUal ExaMiNaTION";  
 for(int x=0;x<strlen(Name);x++)  
 if(islower(Name[x]))  
 Name[x]=toupper(Name[x]);  
 else  
 if(isupper(Name[x]))  
 if(x%2!=0)  
 Name[x]=tolower(Name[x-1]);  
 else  
 Name[x]--;  
 cout<<Name<<endl;  
 getch();  
 }  

Predict Output

Click Here To Download C++ File Of This Program

 //Downloaded From www.c4cpp.co.nr  
 //(C)2009.All rights reserved.  
 #include<iostream.h>  
 #include<conio.h>  
 void main()  
 {clrscr();  
 int i=0,ua=0,ub=0,uc=0,fail=0;  
 while(i<=5)  
 {switch(i++)  
  {case 1:  
  case 2:++ua;  
  case 3:  
  case 4:++ub;  
  case 5:++uc;  
  default:++fail;  
   }  
 }  
 cout<<"    ua="<<ua<<",ub="<<ub<<",uc="<<uc<<",fail="<<fail;  
 getch();  
 }