Anupam (Administrator) Admin
Posts : 117 Join date : 2012-02-25
| Subject: Computer Science Record Programs Class 11 CBSE (2012) Sat Jan 05, 2013 7:29 pm | |
| These are Verified C++ Programs SERIESU1-u+ u^2/2! + u^3/3!... - Quote :
- #include<iostream.h>
#include<conio.h> #include<math.h> void main() { clrscr(); int fact (int); float u,i,n,a,s=1; cout<<"Enter valve of U: “; cin>>u; cout<<”Number of terms : "; cin>>n; for (i=1;i<n;++i) { a=fact(i); s+=pow((-1),i)*pow(u,i)/a; } cout<<"Sum of the series : "<<s; getch(); } int fact (int x) { int f=1; while (x>0) { f*=x; --x; } return (f); } SERIESu1-u+ u^2/2! - u^3/3!... - Quote :
- #include<iostream.h>
#include<conio.h> void main() { clrscr(); int square (int); int i,j,n,s=0; cout<<"Enter number of terms : "; cin>>n; for(i=1; i<=n; ++i) { for(j=1; j<=i; ++j) s+= square (2*j); } cout<<"Sum of the series : "<<s; getch(); } int square (int a) { int s; s=a*a; return (s); } ABCD - Quote :
- #include <iostream.h>
#include <conio.h> void main() { clrscr(); int n,i,x,y; void ab(int); void ba(int, int, int); cout<< "Enter the number of lines : "; cin>>n; for (i=n,x=1,y=4;i>=1;i--,y++); { gotoxy(x,y); ab(i); } for (i=n, x=2*n-1,y=4;i>=1;i--, x+=2, y++) ba(i,x,y); getch(); } void ab(int a) { int i; for (i=65; i<=64+a; i++) cout<<char(i)<<" "; } void ba(int b,int x, int y) { int i; gotoxy(x,y); for (i=64+b;i>=65;i--) cout<<char(i)<<" "; } ARMSTRONGNUMBER - Quote :
- #include<iostream.h>
#include<conio.h> #include<math.h> void main() { clrscr(); int a,b,i,s=0; int cube (int); cout<<"Enter a no. : "; cin>>a; i=a; while (a>0) { b=a%10; a/=10; s+= cube (b); } if (s==i) cout<<"Armstrong no."; else cout<<"No"; getch(); } int cube (int x) { int c; c=pow(x,3); return(c); } CHARACTERTYPE - Quote :
#include <iostream.h> #include <conio.h> #include <stdio.h> void main() { clrscr(); void alnum(char); void dig(char);void lc(char); void uc(char); void alpha(char); cout <<"\n\n\n 1.Enter 1 for checking alphanumeric\n" <<"2.Enter 2 for checking digit \n" <<"3.Enter 3 for checking lowercase \n" <<"4.Enter 4 for checking uppercase \n" <<"5.Enter 5 for checking alphabet\n" <<"6.Enter 6 for converting to lower case\n" <<"7.Enter 7 for converting to uppercase \n" <<"8.Enter 8 for checking whether space key has been entered \n"; int num,s; char ch; char ch1[1]; cin>>num; switch(num) { case 1: cout<<"Enter a character : \n"; cin>>ch;alnum(ch); break; case 2: cout <<"Enter a character: \n"; cin>>ch; dig(ch); break; case 3: cout<<"Enter a character : \n"; cin>>ch;lc(ch);break; case 4: cout<<"Enter a character :\n"; cin>>ch;uc(ch);break; case 5: cout<<"Enter a character :\n"; cin>>ch;alpha(ch); break; case 6: cout<<"Enter a character :\n"; cin>>ch; s=int(ch)+32; cout<<char(s);break; case 7: cout<<"Enter a character :\n"; cin>>ch; s=int(ch)-32; cout<<char(s);break; case 8: cout<<"Enter a character :\n"; gets(ch1); if(ch1[0]==' ') cout<<"A space has been entered. \n"; else cout<<"No space is entered."; break; default: cout<<"Enter numbers only from 1 to 8. \n"; } getch(); } void alnum (char ch) { if((int (ch)>=48 && int(ch)<=57) :: (int (ch)>=67 && int(ch)<=90) :: (int (ch)>=97 && int(ch)<=122)) cout<<"The character is alphanumeric."; } void dig (char ch) { if(int(ch)>=48&&int(ch)<=57) cout<<"The character is a digit."; } void lc (char ch) { if(int(ch)>=97&&int(ch)<=122) cout<<"The alphabet is in lowercase."; } void uc (char ch) { if(int(ch)>=65&&int(ch)<=90) cout<<"The alphabet is in upper case."; } void alpha (char ch) { if((int(ch)>=65&&int(ch)<=90)::(int(ch)>=97&&int(ch)<=122)) cout<<"The character is alphabet."; } DIAMOND - Quote :
- #include<iostream.h>
#include<conio.h> void main () { clrscr(); int i,j,a,b,n; cout<<"Enter number of lines : "; cin>>n; b=n; for (i=1; i<=n; ++i) { for (a=1; a<=2*(b-1); ++a) cout<<" "; for (j=1; j<=(2*i)-1; ++j) cout<<"*"<<" "; cout<<"\n"; --b; } b=n-1; for (i=1; i<n; ++i) { for (a=1; a<=2*i; ++a) cout<<" "; for (j=1; j<=(2*b)-1; ++j) cout<<"*"<<" "; cout<<"\n"; --b; } getch(); }
DIGITALCLOCK - Quote :
- #include<iostream.h>
#include<conio.h> void main() { clrscr(); int a,b,c,d,h,m,s; cout<<"Enter number of hours, minutes, seconds : "; cin>>a>>b>>c; m=c/60+b; h=m/60+a; d=h/24; h=h%24; m=m%60; s=s%60; cout<<"Number of days : "<<d<<"\n"; cout<<"Number of hours : "<<h<<"\n"; cout<<"Number of minutes : "<<m<<"\n"; cout<<"Number of seconds : "<<s<<"\n"; getch(); } ELECTRICITYBILL - Quote :
#include<iostream.h> #include<conio.h> void main() { clrscr(); float c,r; cout<<"Enter unit consumption : "; cin>>c; if (c<=200) { r=c*0.5; cout<<"Charge : "<<r; } if (c>200 && c<=400) { r=100; r+=(c-200)*0.65+100; cout<<"Charge : "<<r; } if (c>400 && c<=600) { r=330; r+=(c-400)*0.8+200; cout<<"Charge : "<<r; } if (c>600) { r=690; r+=(c-600)*1.2+300; cout<<"Charge : "<<r; } getch(); } FLOYD'STRIANGLE - Quote :
- #include<iostream.h>
#include<conio.h> void main() { clrscr(); int i,j,n,a=1; cout<<"Enter number of lines : "; cin>>n; for (i=1; i<=n; ++i) { for (j=1; j<=i; ++j) { cout<<a<<" "; ++a; } cout<<"\n"; } getch(); } KRISHNAMOORTHYNUMBER - Quote :
- #include<iostream.h>
#include<conio.h> void main () { clrscr(); int fact (int); unsigned long i,a,b,s=0; cout<<"Enter a number : "; cin>>a; i=a; while(a>0) { b=a%10; a=a/10; s+= fact (b); } if(s==i) cout<<"\n"<<"Yes, it is a Krishnamoorthy's no."; else cout<<"\n"<<"No."; getch(); } int fact (int x) { int f=1; while (x) { f*=x; --x; } return (f); } PALINDROMEDETECTOR - Quote :
- #include<iostream.h>
#include<conio.h> void main() { clrscr(); long int a,i,d,s=0; cout<<"Enter no. : "; cin>>a; i=a; while (a) { d=a%10; a/=10; s=s*10+d; } if (i==s) cout<<"Palindrome."; else cout<<"No"; getch(); } PASCAL'STRIANGLE - Quote :
- #include <iostream.h>
#include <conio.h> void main() { int n,i,j,x,k,a,b; clrscr(); cout<< "enter n:"; cin>> n; b=n; for (i=0;i<=n;i++) { for (a=1;a<=b*2;a++) cout<<" "; x=1; for (k=0; k<=i; k++) { cout<<x<<" "; x=x*(i-k)/(k+1); } cout<<"\n"; --b; } getch(); } PRIMENUMBERDETECTOR - Quote :
- #include<iostream.h>
#include<conio.h> void main() { clrscr (); long b,a=2,i=1,n=0; cout<<" Enter number : "; cin>>b; while ( a<=b ) { n=0; i=1; while (i<=(a/2)) { if ( a%i==0 ) n++; i++; } if ( n==1 ) cout<<"\t"<<a; a++; } getch(); }
ROOTSOFQUADRATICEQUATION - Quote :
- #include<iostream.h>
#include<conio.h> #include<math.h> void main() { clrscr(); float a,b,c,d,r1,r2; cout<<"Enter coeft a,b,c : "; cin>>a>>b>>c; d=pow(b,2)-(4*a*c); if (d>=0) { r1=(-(b)+(pow(d,0.5)))/(2*a); r2=(-(b)-(pow(d,0.5)))/(2*a); cout<<"Root r1 : "<<r1<<"\t"<<"Root r2 : "<<r2; } else cout<<"Roots are imaginary."; getch(); } _______________________________________________________________________________________________________________________________________________________________________ OUTPUTS OF ALL THESE PROGRAMS Enter a natural number : 145 Yes ,it is an Krishnamoorthy’s number.
Enter the number of terms : 3 The sum is: 80
Enter u and the number of terms : 2 3 The sum is : 1
Enter the number of lines : 5 A B C D E D C B A A B C D __ D C B A A B C ______ C B A A B___________ B A A_______________ A
Enter the number of lines(an odd number) : 4 * * * * * * * * * * * * * * * * * * * * * * * * *
Enter the no. of seconds : 86400 Number of days : 1 Number of hours : 0 Number of minutes : 0 Number of seconds : 0
Enter 1 for checking alphanumeric Enter 2 for checking digit Enter 3 for checking lowercase Enter 4 for checking uppercase Enter 5 for checking alphabet Enter 6 for converting to lowercase Enter 7 for converting to uppercase Enter 8 for checking whether space key has been entered
Enter a number : 6 Enter alphabet in uppercase : D Lower case : d
Enter coefficient of x^2 ,x and constant term : 1 -3 2 Roots are 1 and 2
Enter unit consumption : 300 Charge : Rs. 150
Enter a number : 15 2 3 5 7 11 13
Enter a number : 454 Yes , Palindrome.
Enter number of lines : 4 1 2 3 4 5 6 7 8 9 10
Enter number of lines : 4 ____________1 __________1 2 1 _________1 3 3 1 ________1 4 6 4 1
Enter a number : 153 Yes it is an Armstrong number. SUPPORT :-- A SIMPLE 'THANKS' WILL DO !!! MilanStopper - Best Hangout Place ! MilanStopper - Best Hangout Place ! MilanStopper - Best Hangout Place ! MilanStopper - Best Hangout Place ! | |
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