Feedback from CS students 2013-14 batch

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Profiler for XII Students

Use this link to connect to the Profiler Form for XII Science Students

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PROGRAM TO CREATE DIFFERENT PATTERNS        .

#include<iostream.h>
#include<conio.h>
void pattern(char,int,int);
void main()
{ int nl,design;
  char ch;
  do{clrscr();
  cout<<"\n Enter the character: ";
  cin>>ch;
  cout<<"\n Enter the design type(1-5): ";
  cin>>design;
  cout<<"\n Enter the number of lines required: ";
  cin>>nl;
  pattern(ch,nl,design);
  getch();
  cout<<"\n Do you want to continue:(y/n) ";
  cin>>ch;
  }while(ch=='Y'||ch=='y');
}
void pattern(char a,int b,int c)
{ int i,j;
switch(c)
 {case 1: for(i=1;i<=b;++i)
     { for(j=1;j<=i;++j)
       cout<<a<<" ";
       cout<<"\n";
     }
     break;
  case 2: for(i=b;i>0;--i)
     { for(j=i-b;j>0;--j)
       cout<<" ";
       for(j=i;j>0;--j)
       cout<<a<<" ";
       cout<<"\n";
     }
     break;
  case 3: if(b%2==0)
     {  for(i=1;i<=b/2;++i)
     { for(j=1;j<=i;++j)
       cout<<a<<" ";
       cout<<"\n";
     }
     for(i=b/2;i>0;--i)
     { for(j=i-b/2;j>0;--j)
       cout<<" ";
       for(j=i;j>0;--j)
       cout<<a<<" ";
       cout<<"\n";
     }
     }
     else
     {  for(i=1;i<=b/2+1;++i)
     { for(j=1;j<=i;++j)
       cout<<a<<" ";
       cout<<"\n";
     }
     for(i=b/2;i>0;--i)
     { for(j=i-b/2;j>0;--j)
       cout<<" ";
       for(j=i;j>0;--j)
       cout<<a<<" ";
       cout<<"\n";
     }
     }
     break;
  case 4: for(i=1;i<=b;++i)
     { for(j=0;j<b-i;++j)
       cout<<" ";
       for(j=0;j<i;++j)
       cout<<a<<" ";
       cout<<"\n";
     }
     break;
  case 5: if(b%2==0)
    { for(i=1;i<=b/2;++i)
     { for(j=0;j<(b/2)-i;++j)
       cout<<" ";
       for(j=0;j<i;++j)
       cout<<a<<" ";
       cout<<"\n";
     }
      for(i=b/2;i>0;--i)
     { for(j=(b/2)-i;j>0;--j)
       cout<<" ";
       for(j=1;j<=i;++j)
       cout<<a<<" ";
       cout<<"\n";
     }
    }
      else
    { for(i=1;i<=b/2+1;++i)
     { for(j=0;j<((b/2)+1)-i;++j)
       cout<<" ";
       for(j=0;j<i;++j)
       cout<<a<<" ";
       cout<<"\n";
     }
      for(i=(b/2);i>0;--i)
     { cout<<" ";
       for(j=((b/2))-i;j>0;--j)
       cout<<" ";
       for(j=1;j<=i;++j)
       cout<<a<<" ";
       cout<<"\n";
     }
    }break;
 }
}

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Function based menu program

#include<iostream.h>
#include<dos.h>
#include<graphics.h>
#include<conio.h>
#include<stdio.h>
#include<ctype.h>
#include<string.h>
#define c 80
#define z 10
#define pi 3.14
void ls(char [],char);
void capital(char []);
int sum(int);
float cal(float,float,char);
void maxmin(int []);
int stlen(char []);
void palindrome(char []);
int vowcnt(char []);
float rad(float);
int rev(int);
int Sum(int);
void prime(int);
double fact(int);
int sqcu(int);
void fct(int);
void arev(char []);
void swap(int []);
void lcgcd(int,int);
void mul(int);
void upcase(char []);
int power(int,int);
int cmp(char[],char[]);
void arm(int);
void main()
{      clrscr();
char str9[c],str8[c],cd,str1[c],str3[c],op,chc,str4[c],str5[c],str6[c],fl[c],str7[c];
int cf,lep,yr,ch,n,m,x,y,nm[z],len,cnt,numb,reve,mn,u,pr,fac,sq,cu,nm1,swp[z],lc,ld,n1,n2,n3,x1;
float res,deg,radi;
double fa;
int gd=DETECT, gm,i=500;
initgraph(&gd, &gm,"");
settextstyle(1,0,4);
setcolor(LIGHTRED);
outtextxy(159,119,"COMPUTER PROJECT");
sound(i);
delay(100);
nosound();
getch();
settextstyle(6,0,2);
setcolor(YELLOW);
outtextxy(159,170,"Done by: Akshay. R");
sound(500);
delay(100);
nosound();
getch();
window(1,1,80,30);
textcolor(BLACK);
textbackground(BLACK);
do
{    clrscr();
settextstyle(2,0,5);
setcolor(LIGHTBLUE);
outtextxy(0,0,"Functions menu:");
sound(700);
delay(100);
nosound();
cout<<"\n1.To search for a element in a 1D array";
cout<<"\n2.Which capitalises first word in a sentence";
cout<<"\n3.Sum of series 1+2+3+....+n";
cout<<"\n4.To perform the job of a calculator";
cout<<"\n5.To find maximum & minimum number in an array";
cout<<"\n6.To find length of the string";
cout<<"\n7.To find if a string is a palindrome or not";
cout<<"\n8.To count the number of vowels in a string";
cout<<"\n9.To convert the angle in degree to radian measure";
cout<<"\n10.To reverse a given number";
cout<<"\n11.To find cube sum of individual digits";
cout<<"\n12.To find if a number is prime or composite";
cout<<"\n13.To find factorial of a number";
cout<<"\n14.To find square of a number if it is even or cube of it if the number is odd";
cout<<"\n15.To find the factors of a number";
cout<<"\n16.To reverse a string";
cout<<"\n17.To swap 1st & last elements in an array";
cout<<"\n18.To find LCD & GCD of 2 integers";
cout<<"\n19.To print multiplication table of a number";
cout<<"\n20.To read a string & converts it into uppercase";
cout<<"\n21.To find a number raised to a power n";
cout<<"\n22.To compare 2 strings";
cout<<"\n23.To print armstrong numbers upto a limit";
cout<<"\n\nEnter your choice(1-23): ";
cin>>ch;
cout<<"\n";
clrscr();
switch(ch)
{
  case 1: cout<<"Enter the string: ";
 gets(str1);
 cout<<"Enter the element to be searched: ";
 cin>>cd;
 ls(str1,cd);
 getch();
 break;
  case 2: cout<<"Enter a string: ";
 gets(str3);
 capital(str3);
 getch();
 break;
  case 3: cout<<"Enter the limit: ";
 cin>>n;
 m=sum(n);
 cout<<"Sum of series is: "<<m;
 getch();
 break;
  case 4: cout<<"Enter 2 numbers: ";
 cin>>x>>y;
 cout<<"Enter a operator(+,-,*,/): ";
 cin>>op;
 res=cal(x,y,op);
 cout<<"Result of operation is: "<<res;
 getch();
 break;
  case 5: cout<<"Enter the numbers: ";
 for(int i=0;i<z;++i)
 { cin>>nm[i];
 }
 maxmin(nm);
 getch();
 break;
  case 6: cout<<"Enter the string: ";
 gets(str4);
 len=stlen(str4);
 cout<<"Length of the string is: "<<len;
 getch();
 break;
  case 7: cout<<"Enter the string: ";
 gets(str5);
 palindrome(str5);
 getch();
 break;
  case 8: cout<<"Enter the string: ";
 gets(str6);
 cnt=vowcnt(str6);
 cout<<"The vowel count is: "<<cnt;
 getch();
 break;
  case 9: cout<<"Enter the angle in degrees: ";
 cin>>deg;
 radi=rad(deg);
 cout<<"Angle in radians is: "<<radi;
 getch();
 break;
  case 10: cout<<"Enter the number: ";
  cin>>numb;
  reve=rev(numb);
  cout<<"Reverse of the number is: "<<reve;
  getch();
  break;
  case 11: cout<<"Enter the number: ";
  cin>>mn;
  u=Sum(mn);
  cout<<"Cube sum of individual digits is: "<<u;
  getch();
  break;
  case 12: cout<<"Enter a number(greater than 1): ";
  cin>>pr;
  prime(pr);
  getch();
  break;
  case 13: cout<<"Enter the number: ";
  cin>>fac;
  fa=fact(fac);
  cout<<"Factorial of the number is: "<<fa;
  getch();
  break;
  case 14: cout<<"Enter the number: ";
  cin>>sq;
  cu=sqcu(sq);
  if(cu%2==0)
  { cout<<"Square of the number is: "<<cu;
  }
  else
  { cout<<"Cube of the number is: "<<cu;
  }
  getch();
  break;
  case 15: cout<<"Enter the number: ";
  cin>>nm1;
  fct(nm1);
  getch();
  break;
  case 16: cout<<"Enter the string: ";
  gets(fl);
  arev(fl);
  getch();
  break;
  case 17: cout<<"Enter the numbers: ";
  for(i=0;i<z;++i)
  { cin>>swp[i];
  }
  swap(swp);
  getch();
  break;
  case 18: cout<<"Enter 2 numbers: ";
  cin>>lc>>ld;
  lcgcd(lc,ld);
  getch();
  break;
  case 19: cout<<"Enter a number: ";
  cin>>n1;
  mul(n1);
  getch();
  break;
  case 20: cout<<"Enter the string: ";
  gets(str7);
  upcase(str7);
  getch();
  break;
  case 21: cout<<"Enter the number & the value of n: ";
  cin>>n2>>n3;
  x1=power(n2,n3);
  cout<<"Result is: "<<x1;
  getch();
  break;
  case 22: cout<<"Enter the 1st string: ";
  gets(str8);
  cout<<"Enter the 2nd string: ";
  gets(str9);
  cf=cmp(str8,str9);
  if(cf==0)
  { cout<<"Both strings are of equal length";
  }
  else if(cf==1)
  { cout<<"First string is greater than second string";
  }
  else
  { cout<<"Second string is greater than first string";
  }
  getch();
  break;
  case 23: cout<<"Enter the limit: ";
  cin>>yr;
  arm(yr);
  getch();
  break;
  default: cout<<"Wrong choice";
  sound(700);
  delay(300);
  nosound();
}
cout<<"\n\nDo you want to continue(Y/N)? ";
cin>>chc;
if(chc=='n'||chc=='N')
{ clrscr();
  settextstyle(4,0,6);
  setcolor(RED);
  outtextxy(159,119,"Thank You");
  delay(5);
}
sound(650);
delay(100);
nosound();
} while(chc=='Y' || chc=='y');
}
void ls(char a[],char b)
{
  int ct=0;
  cout<<"Element is found at: ";
  for(int i=0;a[i]!='\0';++i)
  { if(a[i]==b)
    { ct++;
      cout<<i+1<<",";
    }
  }
  if(ct==0)
  { cout<<"\nElement is not found";
  }
}
void capital(char d[])
{ cout<<"Modified string is: ";
  for(int i=0;d[i]!='\0';++i)
  { d[0]=toupper(d[0]);
    if(d[i]==' ')
    { d[i+1]=toupper(d[i+1]);
    }
    cout<<d[i];
  }
}
int sum(int q)
{ int w=0;
  for(int i=1;i<=q;++i)
  { w+=i;
  }
  return w;
}
float cal(float o,float p, char po)
{ float Res;
  switch(po)
  { case '+':Res=o+p;
    break;
    case '-':Res=o-p;
    break;
    case '*':Res=o*p;
    break;
    case '/':Res=o/p;
    break;
    default: cout<<"Wrong operator";
  }
  return Res;
}
void maxmin(int qw[])
{ int max,min;
  max=min=qw[0];
  for(int i=0;i<z;++i)
  { if(qw[i]>max)
    { max=qw[i];
    }
    else if(qw[i]<min)
    { min=qw[i];
    }
  }
  cout<<"Maximum number is: "<<max;
  cout<<"\nMinimum number is: "<<min;
}
int stlen(char st[])
{ for(int i=0;st[i]!='\0';++i)
  { cout<<"";
  }
  return i;
}
void palindrome(char pal[])
{ int flag=1;
  for(int len=0;pal[len]!='\0';len++);
  for(int i=0,j=len-1;i<len/2;i++,j--)
  { if(pal[i]!=pal[j])
    { flag=0;
      break;
    }
  }
  if(flag==0)
  { cout<<"String is not a palindrome";
  }
  else
  { cout<<"String is a palindrome";
  }
}
int vowcnt(char vow[])
{ int count=0;
  for(int i=0;vow[i]!='\0';++i)
  { switch(vow[i])
    { case 'a': ++count;break;
      case 'e': ++count;break;
      case 'i': ++count;break;
      case 'o': ++count;break;
      case 'u': ++count;break;
      case 'A': ++count;break;
      case 'E': ++count;break;
      case 'I': ++count;break;
      case 'O': ++count;break;
      case 'U': ++count;break;
      default: cout<<"";
    }
  }
  return count;
}
float rad(float dg)
{ float mes;
  mes=(pi/180)*dg;
  return mes;
}
int rev(int nm)
{ int rem=0,re=0;
  while(nm>0)
  { rem=nm%10;
    re=rem+(re*10);
    nm/=10;
  }
  return re;
}
int Sum(int t)
{ int rem=0,v=0;
  while(t>0)
  { rem=t%10;
    v+=rem*rem*rem;
    t/=10;
  }
  return v;
}
void prime(int prm)
{ int count=0;
  for(int i=2;i<prm;++i)
  { if(prm%i==0)
    { count++;
    }
  }
  if(count==0)
  { cout<<"Prime number";
  }
  else
  { cout<<"Composite number";
  }
}
double fact(int y)
{ double facto=1.0;
  for(int i=1;i<=y;++i)
  { facto*=i;
  }
  return facto;
}
int sqcu(int qs)
{ int res=0;
  if(qs%2==0)
  { res=qs*qs;
  }
  else
  { res=qs*qs*qs;
  }
  return res;
}
void fct(int nm2)
{ cout<<"Factors of the number are: ";
  for(int i=1;i<=nm2/2;++i)
  { if(nm2%i==0)
    { cout<<i<<" ";
    }
  }
}
void arev(char fl1[])
{ for(int len=0;fl1[len]!='\0';++len);
  cout<<"Reverse of the string is: ";
  for(int i=len-1;i>=0;--i)
  { cout<<fl1[i];
  }
}
void swap(int sp[])
{ int sop;
  for(int i=0;i<z;++i)
  { sop=sp[0];
    sp[0]=sp[z-1];
    sp[z-1]=sop;
    cout<<"Swapped first value is :"<<sp[0]<<" & last value is: "<<sp[z-1];
    break;
  }
}
void lcgcd(int a1,int a2)
{ int max=0,min=1000;
  for(int i=2,j=2;i<=a1,j<=a2;++i,++j)
  { if(a1%i==0 && a2%j==0)
    { if(i==j)
      { if(j<min)
{ min=j;
}
if(j>max)
{ max=j;
}
      }
    }
  }
  if(min==1000 && max==0)
  { cout<<"No common divisors";
  }
  else
  { cout<<"LCD: "<<min<<"\nGCD: "<<max;
  }
}
void mul(int m1)
{ int mu=1;
  cout<<"Multiplication table";
  for(int i=1;i<11;++i)
  { mu=m1*i;
    cout<<"\n"<<m1<<"*"<<i<<"="<<mu;
  }
}
void upcase(char up[])
{ cout<<"Modified string is: ";
  for(int i=0;up[i]!='\0';++i)
  { up[i]=toupper(up[i]);
    cout<<up[i];
  }
}
int power(int b1,int b2)
{ int powr=1;
  for(int i=0;i<b2;++i)
  { powr*=b1;
  }
  return(powr);
}
int cmp(char a[],char b[])
{ for(int i=0;a[i]!='\0';++i);
  for(int j=0;b[j]!='\0';++j);
  if(i==j)
  { return 0;
  }
  else if(i>j)
  { return 1;
  }
  else
  { return -1;
  }
}
void arm(int ye)
{ int ab,bc,cd,su=0;
  cout<<"\nArmstrong numbers from 1 to "<<ye<<" are: \n";
  for(int i=1;i<=ye;++i)
  { ab=i/100;
    bc=i/10-ab*10;
    cd=i%10;
    su=(ab*ab*ab)+(bc*bc*bc)+(cd*cd*cd);
    if(su==i)
    { cout<<i<<"  ";
    }
  }
}
/*Done by: Akshay. R     */

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Program to Create Tables From 1 to 10

Hey guys! After compiling this program IT LOOKS AMAZING! Trust me :)

It just generates the tables of/from 1 to 10 :)
Piece of cake..

#include<iostream.h>
#include<conio.h>
void main( )
{
       int Yo;
       clrscr ( );
       for(int i = 1; i<=10; i++)
{
       for(int j=1; j<=10; j++)
{
       Yo = i *j ;
       cout<<i<<"*"<<j<<"="<<Yo;
       cout<<"\t";
}
       cout<<"\n";
}
getch ( );
}

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Program to stimulate movement of a car

#include<iostream.h>
#include<conio.h>
#include<graphics.h>
#include<dos.h>
void main()
{ clrscr();
int gd=DETECT,gm;
initgraph(&gd,&gm,"");
while(!kbhit())
{ for(int i=0;i<=500;++i)
  {
    delay(1);
    settextstyle(2,0,5);
    outtextxy(400,450,"Done by: Akshay. R");
    setfillstyle(3,WHITE);
    bar(100+i,50,200+i,100);
    rectangle(100+i,50,200+i,100);
    rectangle(100+i,50,200+i,100);
    setfillstyle(1,LIGHTRED);
    bar(50+i,100,250+i,160);
    rectangle(50+i,100,250+i,160);
    settextstyle(2,0,4);
    outtextxy(55+i,110,"AUDI A8");
    outtextxy(100,10,"BEFORE CAR WASH ");
    setfillstyle(4,WHITE);
    sector(100+i,160,0,360,25,25);
    circle(100+i,160,25);
    setfillstyle(4,WHITE);
    sector(195+i,160,0,360,25,25);
    circle(195+i,160,25);
    sound(500+i);
    delay(5);
    nosound();
    cleardevice();
    line(0,160+25,195+500,160+25);
    setfillstyle(1,LIGHTGRAY);
    bar(0,160+25,195+500,200);
    setfillstyle(1,BROWN);
    bar(600,25,650,200);
    settextstyle(2,1,7);
    outtextxy(610,30,"CAR WASH");
  }
  for(i=0;i<=500;++i)
  { delay(1);
    settextstyle(2,0,5);
    outtextxy(400,450,"Done by: Akshay. R");
    setfillstyle(3,WHITE);
    bar(100+i,250,200+i,300);
    rectangle(100+i,250,200+i,300);
    rectangle(100+i,250,200+i,300);
    setfillstyle(1,RED);
    bar(50+i,300,250+i,360);
    rectangle(50+i,300,250+i,360);
    settextstyle(2,0,4);
    outtextxy(55+i,310,"AUDI A8");
    outtextxy(100,190,"AFTER CAR WASH");
    setfillstyle(4,WHITE);
    sector(100+i,360,0,360,25,25);
    circle(100+i,360,25);
    setfillstyle(4,WHITE);
    sector(195+i,360,0,360,25,25);
    circle(195+i,360,25);
    sound(500+i);
    delay(5);
    nosound();
    cleardevice();
    line(0,360+25,295+500,360+25);
    setfillstyle(1,LIGHTGRAY);
    bar(0,360+25,295+500,400);
    setfillstyle(1,BROWN);
    bar(600,225,650,400);
    settextstyle(2,1,7);
    outtextxy(610,230,"EXIT");
 }
}
getch();
}
/*DONE BY:  AKSHAY. R      */

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PROGRAM TO SIMULATE PIANO

/*This is the program that simulates

piano an is done with the help of array's

and sound function and use of simple graphic*/

#include <dos.h>

#include<iostream.h>

#include<conio.h>

#include<graphics.h>

 void main()

{ clrscr();

  char ch[50];int a=10,b=10,c=10,d=10,e=10,f=10,g=10,h=10;

  int gd=DETECT,gm;

  initgraph(&gd,&gm,"");

  setcolor(RED);

  {settextstyle(4,0,3);

  outtextxy(120,5," E n t e r    t h e    t u n e ");

  settextstyle(2,0,5);

  outtextxy(480,30,"DONE BY:-NAVEEN.M.N");

 }

  settextstyle(0,0,100);

  setbkcolor(CYAN);

  for(int i=0;ch[i-1]!='0',i<50;++i)

  {ch[i]=getche();

   if(ch[i]=='0')

   break;

  switch(ch[i])

  {case '1':outtextxy(a,50," ");

   a+=40;

   break;

   case '2':outtextxy(b,100," ");

   b+=40;

   break;

   case '3':outtextxy(c,150," ");

   c+=40;

   break;

   case '4':outtextxy(d,200," ");

   d+=40;

   break;

   case '5':outtextxy(e,250," ");

   e+=40;

   break;

   case '6':outtextxy(f,300," ");

   f+=40;

   break;

   case '7':outtextxy(g,350," ");

   g+=40;

   break;

   case '8':outtextxy(h,400," ");

   h+=40;

   break;

  }

  }

  for(int j=0;j<i;++j)

  {if(ch[j]=='0')

   break;

  switch(ch[j])

  {case '1':sound(240);

   delay(100);

   nosound();

   continue;

   case '2': sound(300);

    delay(100);

    nosound();

    continue;

   case '3' : sound(360);

     delay(100);

     nosound();

     continue;

   case '4' : sound(420);

     delay(100);

     nosound();

     continue;

   case '5' : sound(480);

     delay(100);

     nosound();

     continue;

   case '6' : sound(540);

     delay(100);

     nosound();

     continue;

   case '7' : sound(600);

     delay(100);

     nosound();

     continue;

   case '8' : sound(660);

     delay(100);

     nosound();

     continue;

  }

  }

closegraph();

}

/*For modification email to "npr123456789@gmail.com"

DONE BY:-NAVEEN.M.N*/

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